Variable displacement axial piston pump type C41V
Product documentation
D 7964/1
12-2024-1.0en
Open circuit
Nominal pressure p
nom max
:
Peak pressure p
max
:
Displacement volume V
max
:
280 bar
350 bar
85 cm
3
/rev
© by HAWE Hydraulik SE.
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Printing date / document generated on: 2025-01-14
2/60 D 7964/1 - 12-2024 - 1.0 HAWE Hydraulik SE
Table of Contents
1 Overview: variable displacement axial piston pump type C41V............................................................................ 4
2 Available versions............................................................................................................................................ 5
2.1 Basic type and nominal size................................................................................................................................5
2.2 Rotation direction.............................................................................................................................................. 6
2.3 Shaft version.....................................................................................................................................................6
2.4 Flange version................................................................................................................................................... 7
2.5 Housing versions................................................................................................................................................7
2.6 Suction and pressure connection..........................................................................................................................8
2.7 Seals................................................................................................................................................................ 9
2.8 Pump controller................................................................................................................................................. 9
2.9 Additional and solenoid voltage.........................................................................................................................10
2.10 Magnetic plug.................................................................................................................................................. 10
2.11 Stroke limitation.............................................................................................................................................. 10
2.12 Thru-shaft....................................................................................................................................................... 10
2.13 Coupling sleeve for thru-shaft............................................................................................................................11
3 Parameters..................................................................................................................................................... 12
3.1 General data.................................................................................................................................................... 12
3.2 Weight and weight torque................................................................................................................................. 15
3.3 Pressure and delivery ow.................................................................................................................................16
3.4 Characteristic lines........................................................................................................................................... 16
3.5 Electrical data..................................................................................................................................................26
4 Dimensions.................................................................................................................................................... 27
4.1 Basic pump..................................................................................................................................................... 27
4.1.1 C41V 30.28, C41V 30.34....................................................................................................................................27
4.1.2 C41V 48.45, C41V 48.53....................................................................................................................................32
4.1.3 C41V 60.60, C41V 60.72, C41V 60.84..................................................................................................................36
4.2 Pump controller............................................................................................................................................... 41
5 Installation, operation and maintenance information....................................................................................... 43
5.1 Intended use................................................................................................................................................... 43
5.2 Assembly information....................................................................................................................................... 43
5.2.1 General information.......................................................................................................................................... 43
5.2.2 Connections..................................................................................................................................................... 44
5.2.3 Installation positions........................................................................................................................................45
5.3 Operating instructions.......................................................................................................................................47
5.4 Maintenance information................................................................................................................................... 47
6 Other information...........................................................................................................................................48
6.1 Planning information........................................................................................................................................ 48
6.2 Pump controller - Further information.................................................................................................................49
6.2.1 Pressure controller............................................................................................................................................49
6.2.2 Load-sensing controller..................................................................................................................................... 53
6.2.3 Power controller............................................................................................................................................... 56
HAWE Hydraulik SE D 7964/1 - 12-2024 - 1.0 3/60
1
Overview: variable displacement axial piston pump type C41V
Variable displacement axial piston pumps adjust the geometric output volume
from maximum to zero. As a result they vary the ow rate that is provided to the
consumers.
The axial piston pump type C41V is designed for open circuits in mobile hydraulics
and operates on the swash plate principle.
The large selection of different pump controllers allows the axial piston pump type
C41V to be used in a variety of applications.
Features and advantages
■
Optimised power-to-weight ratio
■
Broad selection of controllers
■
High self-suction speed
■
Thru-shaft compatibility
■
Compact design
Intended applications
■
Machines for forestry and agricultural purposes
■
Municipal trucks
■
Construction machines
■
Fan control systems
■
Lifting platforms
Variable displacement axial piston pump type C41V
4/60 D 7964/1 - 12-2024 - 1.0 HAWE Hydraulik SE
2
Available versions
Circuit symbol
Ordering example
C41V 48.45 D -05 S5 -L SD/SB -N -PEC -2 -D -G -AS5 /04
2.13 "Coupling sleeve for thru-shaft"
2.12 "Thru-shaft"
2.11 "Stroke limitation"
2.10 "Magnetic plug"
2.9 "Additional and solenoid voltage"
2.8 "Pump controller"
2.7 "Seals"
2.6 "Suction and pressure connection"
2.5 "Housing versions"
2.4 "Flange version"
2.3 "Shaft version"
2.2 "Rotation direction"
2.1 "Basic type and nominal size"
2.1 Basic type and nominal size
Type Displacement volume
V
g
(cm
3
/rev)
Nominal pressure
p
nom
(bar)
Peak pressure
p
max
(bar)
C41V 30.28 28 280 350
C41V 30.34 34.8 250 315
C41V 48.45 45 280 350
C41V 48.53 53.7 250 315
C41V 60.60 60 280 350
C41V 60.72 72 280 350
C41V 60.84 84.7 250 315
HAWE Hydraulik SE D 7964/1 - 12-2024 - 1.0 5/60
2.2 Rotation direction
Coding Description
S Anticlockwise
D Clockwise
When looking at the shaft journal.
2.3 Shaft version
Coding Description Max. drive torque (Nm)
03
■
SAE-A J 744
■
9T 16/32 DP
■
16-4 ISO 3019-1
■
Without undercut
Only in combination with C41V 30.28 or C41V 30.34
110
07
■
11T 16/32 DP
■
19-4 ISO 3019-1
■
Without undercut
Only in combination with C41V 30.28 or C41V 30.34
170
04
■
SAE-B J 744
■
13T 16/32 DP
■
22-4 ISO 3019-1
■
With undercut
270
4R
■
SAE-B J 744
■
13T 16/32 DP
■
22-4 ISO 3019-1
■
Without undercut
Only in combination with C41V 30.28, C41V 30.34, C41V 48.45 or C41V 48.53
290
32
■
SAE-B Parallel key shaft A6.35x6.35x25.4
Only in combination with C41V 30.28, C41V 30.34, C41V 48.45 or C41V 48.53
210
05
■
SAE-BB J 744
■
15T 16/32 DP
■
25-4 ISO 3019-1
■
With undercut
Only in combination with C41V 48.45, C41V 48.53, C41V 60.60, C41V 60.72 or
C41V 60.84
440
5R
■
SAE-BB J 744
■
15T 16/32 DP
■
25-4 ISO 3019-1
■
Without undercut
Only in combination with C41V 48.45, C41V 48.53, C41V 60.60, C41V 60.72 or
C41V 60.84
460
06
■
SAE-C J 744
■
14T 12/24 DP
■
32-4 ISO 3019-1
■
With undercut
Only in combination with C41V 60.60, C41V 60.72 or C41V 60.84
810
6/60 D 7964/1 - 12-2024 - 1.0 HAWE Hydraulik SE
Coding Description Max. drive torque (Nm)
6R
■
SAE-C J 744
■
14T 12/24 DP
■
32-4 ISO 3019-1
■
Without undercut
Only in combination with C41V 60.60, C41V 60.72 or C41V 60.84
880
34
■
SAE-C Parallel key A7.94x7.94x38.1
Only in combination with C41V 60.60, C41V 60.72 or C41V 60.84
670
2.4 Flange version
Coding Description
S1
■
SAE-A 2-Loch J 744
■
82-2 ISO 3019-1
Only in conjunction with shaft version coding 03 or 07
S5
■
SAE-B 2-Loch J 744
■
101-2 ISO 3019-1
Only in conjunction with shaft version coding 04, 4R, 05, 5R or 32
S7
■
SAE-C 2-Loch J 744
■
127-2 ISO 3019-1
Only in conjunction with shaft version coding 06, 6R or 34
S8
■
SAE-C 4-Loch J 744
■
127-4 ISO 3019-1
Only in conjunction with shaft version coding 06, 6R or 34
2.5 Housing versions
Coding Description
L Suction and pressure connection radial
P Suction and pressure connection axial
HAWE Hydraulik SE D 7964/1 - 12-2024 - 1.0 7/60
2.6 Suction and pressure connection
Left rotation direction
(anticlockwise)
Radial connections Axial connections
Right rotation direction
(clockwise)
Radial connections Axial connections
C41V 30..
Coding Designation
MD/MB Flange port with metric threads
SD/SB Flange port with UNC threads
OG/OD Threaded connection
Only in combination with housing version coding P
C41V 48..
Coding Designation
ME/MC Flange port with metric threads
SE/SC Flange port with UNC threads
OH/OF Threaded connection
Only in combination with housing version coding P
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C41V 60..
Coding Designation
MF/MC Flange port with metric threads
SF/SC Flange port with UNC threads
MF/OF Combination of ange port and threaded connection
■
Suction port: Flange port with metric threads
■
Pressure connection: Threaded connection
2.7 Seals
Coding Description
N NBR
V FKM
2.8 Pump controller
Pressure controller
Coding Description
RP0 Mechanically adjustable pressure controller
RP2 2-stage pressure controller with electrical switching between two pressure settings
LS3 Mechanically adjustable pressure controller with remote-control port
PEC Electro-proportional pressure controller with falling characteristic line
see Chapter 6.2.1, "Pressure controller"
Load-sensing controller
Coding Description
LS2 Load-sensing controller with integrated pressure limitation
(Standard version for combination with hydraulic valves that relieve the LS signal in the valve, for example, type PSV
proportional directional spool valve)
LS0 Load-sensing controller with integrated pressure limitation and additional LS relief
(only for use with hydraulic valves without their own relief of the LS signal)
RP2-LS2 Combination of load-sensing controller without LS relief (LS2) and 2-stage pressure controller (RP2)
see Chapter 6.2.2, "Load-sensing controller"
Power controller
Coding Description
RN0 Combination of power controller and load-sensing controller with integrated pressure limitation without LS relief
RN1 Combination of power controller and mechanically adjustable pressure controller
RN2-LS2 Combination of power controller with electrical switching between two torque settings and load-sensing controller with
pressure limitation without LS relief
RN2-LS0 Combination of power controller with electrical switching between two torque settings and load-sensing controller with
pressure limitation with LS relief
see Chapter 6.2.3, "Power controller"
HAWE Hydraulik SE D 7964/1 - 12-2024 - 1.0 9/60
2.9 Additional and solenoid voltage
Coding Description Nominal voltage
1 12 V DC
2
N/C contact (closed in normal position)
24 V DC
6 12 V DC
7
N/O contact (open in normal position)
24 V DC
2.10 Magnetic plug
Coding Description
D Deutsch plug (DT04-2P)
S DIN plug (EN 175 301-803 A)
JT AMP plug (Junior Timer)
2.11 Stroke limitation
Coding Description
G With minimum stroke and maximum stroke limitation
2.12 Thru-shaft
Coding Description
Without coding No thru-shaft
AS1 With thru-shaft
Flange version:
■
SAE-A 2-Loch J 744
■
82-2 ISO 3019-1
Only in combination with C41V 30.28 or C41V 30.34
AS5 With thru-shaft
Flange version:
■
SAE-B 2-Loch J 744
■
101-2 ISO 3019-1
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2.13 Coupling sleeve for thru-shaft
Coding Description Max. output torque (Nm)
03
■
SAE-A J 744
■
9T 16/32 DP
■
16-4 ISO 3019-1
Only in conjunction with thru-shaft version coding AS1
100
31
SAE-A Parallel key shaft with #16
Only in conjunction with thru-shaft version coding AS1
70
04
■
SAE-B J 744
■
13T 16/32 DP
■
22-4 ISO 3019-1
Only in conjunction with thru-shaft version coding AS5
■
C41V 30.28 and C41V 30.34: 100
■
C41V 48.45, C41V 48.53,
C41V 60.60, C41V 60.72 and
C41V 60.84: 200
32
SAE-B Parallel key shaft with #22
Only in conjunction with thru-shaft version coding AS5
and with
– C41V 30.28
– C41V 30.34
– C41V 48.45
– or C41V 48.53
■
C41V 30.28 and C41V 30.34: 100
■
C41V 48.45 and C41V 48.53: 250
05
■
SAE-BB J 744
■
15T 16/32 DP
■
25-4 ISO 3019-1
Only in conjunction with thru-shaft version coding AS5
and with
– C41V 48.45
– C41V 48.53
– C41V 60.60
– C41V 60.72
– or C41V 60.84
250
33
SAE-BB Parallel key shaft with #25
Only in conjunction with thru-shaft version coding AS5
and with
– C41V 48.45
– or C41V 48.53
250
06
■
SAE-C J 744
■
14T 12/24 DP
■
32-4 ISO 3019-1
Only in conjunction with thru-shaft version coding AS5
and with
– C41V 60.60
– C41V 60.72
– or C41V 60.84
430
HAWE Hydraulik SE D 7964/1 - 12-2024 - 1.0 11/60
3
Parameters
3.1 General data
Designation Variable displacement axial piston pump
Pump version Axial piston pump according to the swash plate principle
Mounting DIN ISO 3019-1, SAE J 744
Surface painted
Installation position As desired
Installation information see Chapter 5, "Installation, operation and maintenance information"
Rotation direction
■
right
■
left
Ports/connections
■
Suction port
■
Pressure connection
■
Drain port
■
LS port or remote-control port
Hydraulic uid Hydraulic uid, according to DIN 51524 Parts 1 to 3; ISO VG 10 to 68 according to DIN ISO 3448
Viscosity range: 10 - 1500 mm
2
/s
Optimal operating range: approx. 15 - 35 mm
2
/s
see Chapter 5.3, "Operating instructions"
Cleanliness level
ISO 4406
19/17/14
Temperatures Environment: approx. -40 to +60°C, hydraulic uid: -25 to +80°C, pay attention to the viscosity range.
Start temperature: down to -40°C is permissible (take account of the start viscosities!), as long as the
steady-state temperature is at least 20K higher during subsequent operation.
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Nominal sizeDesignation
30.28 30.34 48.45 48.53 60.60 60.72 60.84
Absolute inlet pressure required in open circuit bar 0.8 0.8 0.8 0.8 0.8 0.8 0.8
Max. permissible housing pressure
(static/dynamic)
bar 1.5 1.5 1.5 1.5 1.5 1.5 1.5
Max. permissible inlet pressure
(static/dynamic)
bar 25 25 25 25 25 25 25
Max. rotation speed during suction operation and max.
swash plate angle at 1 bar abs. inlet pressure
min
-1
3500 2900 3000 2500 3000 2700 2300
Max. rotation speed with zero stroke and 1 bar abs. inlet
pressure
min
-1
3500 3500 3000 3000 3000 3000 3000
Required drive torque at V
g max
and p
nom
Nm 124.8 138.5 200.5 213.7 267.4 320.9 337
Drive power at V
g max
, n
max
and p
nom
kW 45.7 42.1 63 55.9 84 90.7 81
Inertia torque kg m
2
0.002 0.002 0.003 0.003 0.008 0.008 0.008
Fill volume l 0.85 0.85 1.0 1.0 1.3 1.3 1.3
F
ax
axial force N 1000 1000 1500 1500 2000 2000 2000Max. permissible force on drive shaft
F
rad
radial force N 1500 1500 1500 1500 3000 3000 3000
Maximum rotation speed depending on the inlet pressure and displacement volume
Displacement volume (% of V
g max
)Inlet pressure
absolute (bar)
65 70 80 90 100
0.8 120 115 105 97 90
0.9 120 120 110 103 95
1.0 120 120 115 107 100
1.2 120 120 120 113 106
1.4 120 120 120 120 112
1.6 120 120 120 120 117
2.0 120 120 120 120 120
Rotation speed
(% of n
max
)
Max. rotation speed with zero stroke and 1 bar abs. Inlet pressure (see Chapter 3.1, "General data") must not be exceeded.
■
Example 1:
– Displacement volume: 100%
– Rotation speed: 100%
– Inlet pressure abs.: 1.0 bar
■
Example 2:
– Displacement volume: 80%
– Inlet pressure abs.: 1.0 bar
– Rotation speed: 115%
■
Example 3:
– Displacement volume: 100%
– Inlet pressure abs.: 1.4 bar
– Rotation speed: 112%
HAWE Hydraulik SE D 7964/1 - 12-2024 - 1.0 13/60
Setting for the minimum and maximum stroke limitation
1
Maximum stroke limitation
2
Minimum stroke limitation
Q Tightening torque 15
*
1
Nm
C41V 30.. C41V 48.. C41V 60..
Adjustment range for maximum
stroke limitation
cm
3
/rev 14 - 34 34 - 53 53 - 84
Adjustment range for minimum
stroke limitation
cm
3
/rev 0 - 14 0 - 10.7 0 - 38.1
Maximum stroke
limitation
approx. 2.8 approx. 3.2 approx. 5.0Change of the setting value per
revolution of the adjusting screw
cm
3
/rev
Minimum stroke
limitation
approx. 2.3 approx. 3.0 approx. 4.2
14/60 D 7964/1 - 12-2024 - 1.0 HAWE Hydraulik SE
3.2 Weight and weight torque
Weight
Basic pump Nominal size
30.28 = 15 kg
30.34 = 15 kg
48.45 = 19 kg
48.53 = 19 kg
60.60 = 22 kg
60.72 = 22 kg
60.84 = 22 kg
Weight torque
= Centre of gravity
M
MF
= Weight torque at the front ange
L
CG
= Distance of the centre of gravity from the front
ange (mm)
m = Weight (kg)
Type L
CG1
(mm) L
CG2
(mm) L
INT
(mm)
C41V 30.28
C41V 30.34
100 90 208
C41V 48.45
C41V 48.53
116 99 233
C41V 60.60
C41V 60.72
C41V 60.84
120 107 253
For single pumps: Use L
CG2
values
Average values: Precise values for specic configurations available on request
HAWE Hydraulik SE D 7964/1 - 12-2024 - 1.0 15/60
3.3 Pressure and delivery ow
Operating pressure see Chapter 2, "Available versions"
Displacement volume see Chapter 2, "Available versions"
3.4 Characteristic lines
Viscosity of the hydraulic uid approx. 40 mm
2
/s
Delivery ow and power
C41V 30.28 C41V 30.34
1 1500 min
-1
2 2000 min
-1
3 3500 min
-1
1 1500 min
-1
2 2000 min
-1
3 2900 min
-1
p pressure (bar); Q delivery ow (l/min); P power (kW)
;
Delivery ow/pressure
<
Drive power/pressure (max. swash plate angle)
p pressure (bar); Q delivery ow (l/min); P power (kW)
;
Delivery ow/pressure
<
Drive power/pressure (max. swash plate angle)
16/60 D 7964/1 - 12-2024 - 1.0 HAWE Hydraulik SE
C41V 48.45 C41V 48.53
1 1500 min
-1
2 2000 min
-1
3 3000 min
-1
1 1500 min
-1
2 2000 min
-1
3 2500 min
-1
p pressure (bar); Q delivery ow (l/min); P power (kW)
;
Delivery ow/pressure
<
Drive power/pressure (max. swash plate angle)
p pressure (bar); Q delivery ow (l/min); P power (kW)
;
Delivery ow/pressure
<
Drive power/pressure (max. swash plate angle)
HAWE Hydraulik SE D 7964/1 - 12-2024 - 1.0 17/60
C41V 60.60 C41V 60.72
1 1500 min
-1
2 2000 min
-1
3 3000 min
-1
1 1500 min
-1
2 2000 min
-1
3 2700 min
-1
p pressure (bar); Q delivery ow (l/min); P power (kW)
;
Delivery ow/pressure
<
Drive power/pressure (max. swash plate angle)
p pressure (bar); Q delivery ow (l/min); P power (kW)
;
Delivery ow/pressure
<
Drive power/pressure (max. swash plate angle)
18/60 D 7964/1 - 12-2024 - 1.0 HAWE Hydraulik SE
C41V 60.84
1 1500 min
-1
2 2000 min
-1
3 2300 min
-1
p pressure (bar); Q delivery ow (l/min); P power (kW)
;
Delivery ow/pressure
<
Drive power/pressure (max. swash plate angle)
HAWE Hydraulik SE D 7964/1 - 12-2024 - 1.0 19/60
Noise level
The diagrams show the noise level measured in the acoustic measurement chamber as per ISO 3744, distance between sound receiver
and pump (d) = 1 m
C41V 30.28
p
B
pressure (bar); dB noise level (A)
1
V
g max
at n = 2000 min
-1
2
V
g max
at n = 1500 min
-1
3
V
g min
at n = 2000 min
-1
4
V
g min
at n = 1500 min
-1
C41V 30.34
p
B
pressure (bar); dB noise level (A)
1
V
g max
at n = 2000 min
-1
2
V
g max
at n = 1500 min
-1
3
V
g min
at n = 2000 min
-1
4
V
g min
at n = 1500 min
-1
20/60 D 7964/1 - 12-2024 - 1.0 HAWE Hydraulik SE
C41V 48.45
p
B
pressure (bar); dB noise level (A)
1
V
g max
at n = 2000 min
-1
2
V
g max
at n = 1500 min
-1
3
V
g min
at n = 2000 min
-1
4
V
g min
at n = 1500 min
-1
C41V 48.53
p
B
pressure (bar); dB noise level (A)
1
V
g max
at n = 2000 min
-1
2
V
g max
at n = 1500 min
-1
3
V
g min
at n = 2000 min
-1
4
V
g min
at n = 1500 min
-1
C41V 60.60
p
B
pressure (bar); dB noise level (A)
1
V
g max
at n = 2000 min
-1
2
V
g max
at n = 1500 min
-1
3
V
g min
at n = 2000 min
-1
4
V
g min
at n = 1500 min
-1
C41V 60.72
p
B
pressure (bar); dB noise level (A)
1
V
g max
at n = 2000 min
-1
2
V
g max
at n = 1500 min
-1
3
V
g min
at n = 2000 min
-1
4
V
g min
at n = 1500 min
-1
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C41V 60.84
p
B
pressure (bar); dB noise level (A)
1
V
g max
at n = 2000 min
-1
2
V
g max
at n = 1500 min
-1
3
V
g min
at n = 2000 min
-1
4
V
g min
at n = 1500 min
-1
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Efficiency
The diagrams show the volumetric efficiency and the total efficiency as a percentage value in each case, measured at maximum
displacement volume.
C41V 30.28
Volumetric efficiency Total efficiency
n rotation speed (min
-1
); p
B
pressure (bar)
n rotation speed (min
-1
); p
B
pressure (bar)
C41V 30.34
Volumetric efficiency Total efficiency
n rotation speed (min
-1
); p
B
pressure (bar)
n rotation speed (min
-1
); p
B
pressure (bar)
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C41V 48.45
Volumetric efficiency Total efficiency
n rotation speed (min
-1
); p
B
pressure (bar)
n rotation speed (min
-1
); p
B
pressure (bar)
C41V 48.53
Volumetric efficiency Total efficiency
n rotation speed (min
-1
); p
B
pressure (bar)
n rotation speed (min
-1
); p
B
pressure (bar)
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C41V 60.60
Volumetric efficiency Total efficiency
n rotation speed (min
-1
); p
B
pressure (bar)
n rotation speed (min
-1
); p
B
pressure (bar)
C41V 60.72
Volumetric efficiency Total efficiency
n rotation speed (min
-1
); p
B
pressure (bar)
n rotation speed (min
-1
); p
B
pressure (bar)
HAWE Hydraulik SE D 7964/1 - 12-2024 - 1.0 25/60
C41V 60.84
Volumetric efficiency Total efficiency
n rotation speed (min
-1
); p
B
pressure (bar)
n rotation speed (min
-1
); p
B
pressure (bar)
3.5 Electrical data
Nominal voltage 12 V DC 24 V DC
Resistance R
20
4.9 U * 3% 17.1 U * 5%
Current, cold I
20
2450 mA 1400 mA
Power P 30 W 34 W
Duty cycle S1 (100%)
Dither frequency 150 Hz
Dither amplitude
20% ≤ A
D
≤40%
Permissible ambient temperature -30°C to +110°C
Protection class in accordance with DIN VDE 0470 when mounted
and plugged in
Coding for magnetic plug
■
D: IP 69K
■
S: IP 65
■
JT: IP 67
26/60 D 7964/1 - 12-2024 - 1.0 HAWE Hydraulik SE
4
Dimensions
All dimensions in mm, subject to change.
4.1 Basic pump
4.1.1 C41V 30.28, C41V 30.34
Version with radial connections without thru-shaft
Clockwise rotation direction
(viewed from shaft journal)
Anticlockwise rotation direction
(viewed from shaft journal)
1
Shaft version
2
Flange version
3
Controller
Coding A B
S1 221.5 189.2
S5 194.5 162.2
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Version with axial connections
Clockwise rotation direction
(viewed from shaft journal)
Anticlockwise rotation direction
(viewed from shaft journal)
1
Shaft version
2
Flange version
3
Controller
Coding A
S1 194.2
S5 167.2
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Flange version
Coding S1
Coding S5
HAWE Hydraulik SE D 7964/1 - 12-2024 - 1.0 29/60
Shaft version
Coding 03 Coding 07 Coding 04 Coding 4R
Coding 32
Suction and pressure connection
Suction port S Pressure connection P
Coding MD, SD Coding MB, SB
Coding g
MD M10
SD 7/16-14 UNC-2B
Coding g
MB M10
SB 3/8-16 UNC-2B
30/60 D 7964/1 - 12-2024 - 1.0 HAWE Hydraulik SE
Suction and pressure connection for axial connections
Coding G
Suction port S
OG 1 5/8"-12 UNF-2B
Pressure connection P
OD 1 1/16"-12 UNF-2B
Version with radial connections with thru-shaft
Coding AS1 Coding AS5
HAWE Hydraulik SE D 7964/1 - 12-2024 - 1.0 31/60
4.1.2 C41V 48.45, C41V 48.53
Version with radial connections without thru-shaft
Clockwise rotation direction
(viewed from shaft journal)
Anticlockwise rotation direction
(viewed from shaft journal)
1
Shaft version
2
Flange version
3
Controller
32/60 D 7964/1 - 12-2024 - 1.0 HAWE Hydraulik SE
Version with axial connections
Clockwise rotation direction
(viewed from shaft journal)
Anticlockwise rotation direction
(viewed from shaft journal)
1
Shaft version
2
Flange version
3
Controller
Flange version
Coding S5
HAWE Hydraulik SE D 7964/1 - 12-2024 - 1.0 33/60
Shaft version
Coding 04 Coding 4R Coding 05 Coding 5R
Coding 32
Suction and pressure connection
Suction port S Pressure connection P
Coding ME, SE Coding MC, SC
Coding g
ME M12
SE 1/2-13 UNC-2B
Coding g
MC M10
SC 3/8-16 UNC-2B
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Suction and pressure connection for axial connections
Coding OH, OF
Coding G
Suction port S
OH 1 7/8"-12 UNF-2B
Pressure connection P
OF 1 5/16"-12 UNF-2B
Version with radial connections with thru-shaft
Coding AS5
HAWE Hydraulik SE D 7964/1 - 12-2024 - 1.0 35/60
4.1.3 C41V 60.60, C41V 60.72, C41V 60.84
Version with radial connections without thru-shaft
Clockwise rotation direction
(viewed from shaft journal)
Anticlockwise rotation direction
(viewed from shaft journal)
1
Shaft version
2
Flange version
3
Controller
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Version with axial connections
Clockwise rotation direction
(viewed from shaft journal)
Anticlockwise rotation direction
(viewed from shaft journal)
1
Shaft version
2
Flange version
3
Controller
HAWE Hydraulik SE D 7964/1 - 12-2024 - 1.0 37/60
Flange version
Coding S5
Coding S7
Coding S8
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Shaft version
Coding 04 Coding 05 Coding 5R
Coding 06 Coding 6R
Coding 34
Suction and pressure connection
Suction port S Pressure connection P
Coding MF, SF Coding MC, SC
Coding g
MF M12
SF 1/2-13 UNC-2B
Coding g
MC M10
SC 3/8-16 UNC-2B
HAWE Hydraulik SE D 7964/1 - 12-2024 - 1.0 39/60
Suction and pressure connection for axial connections
Coding MF, OF
■
Suction port S = Coding MF
■
Pressure connection P = Coding OF
Version with radial connections with thru-shaft
Coding AS5
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4.2 Pump controller
Coding RP0
Coding RP2 and RP2-LS2
Coding LS0, LS2, LS3
Coding PEC
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Coding RN0 and RN1
Coding RN2-LS2 and RN2-LS0
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5
Installation, operation and maintenance information
Observe the document B 5488 “General operating instructions for assembly, commissioning, and maintenance.”
5.1 Intended use
This productis intended exclusively for hydraulic applications (uid technology).
The user must observe the safety measures and warnings in this document.
Essential requirements for the product to function correctly and safely:
All information in this documentation must be observed. This applies in particular to all safety measures and warnings.
The product must only be assembled and put into operation by specialist personnel.
The product must only be operated within the specied technical parameters described in detail in this document.
All components must be suitable for the operating conditions when using an assembly.
The operating instructions for the components, assemblies and the specic complete system must also always be observed.
If the product can no longer be operated safely:
1. Remove the product from operation and mark it accordingly.
✓
It is then not permitted to continue using or operating the product.
5.2 Assembly information
The product must only be installed in the complete system with standard and compliant connection components (screw ttings, hoses,
pipes, xtures etc.).
The product must be shut down correctly prior to disassembly (in particular in combination with hydraulic accumulators).
DANGER
Sudden movement of the hydraulic drives when disassembled incorrectly
Risk of serious injury or death
Depressurise the hydraulic system.
Perform safety measures in preparation for maintenance.
5.2.1 General information
During assembly, note the following principles:
■
Only trained persons are allowed to mount or remove the pump.
■
Always ensure absolute cleanliness to prevent contamination from affecting the pump.
■
Remove all plastic plugs before operation.
■
Avoid installation above the tank ( "Installation positions").
■
Observe the electric reference values.
■
Before initial use, ll the pump with hydraulic uid and bleed. Automatic pump lling via the suction line by opening the drain ports
is not possible.
■
Always supply the pump with hydraulic uid from the start. Even just a short period with insufficient hydraulic uid can damage the
pump. Such damage is not immediately visible once the pump is put into operation.
■
Never drain the pump.
■
Hydraulic uid which ows back into the tank must not be sucked back in immediately (install bafes!).
■
Before rst use, run the pump for approx. 10 minutes at max. 50 bar after initial start-up.
■
Do not use the entire pressure range of the pump until it has been thoroughly bled and ushed.
■
From the start, always keep the temperature within the specied range . Never exceed the maximum temperature.
■
Always comply with the cleanliness level of the hydraulic uid. In addition, lter the hydraulic uid appropriately .
HAWE Hydraulik SE D 7964/1 - 12-2024 - 1.0 43/60
■
Self-installed lters in the suction line must be approved beforehand by HAWE Hydraulik.
■
A system pressure-limiting valve must be installed in the pressure line so that the maximum system pressure is not exceeded.
5.2.2 Connections
The connecting lines’ nominal width depends on:
■
the given usage conditions
■
viscosity of the hydraulic uid
■
start-up and operating temperature
■
pump speed
HAWE recommends: Use hose lines (improved damping characteristics) instead of rigid pipelines.
Pressure connection
■
The pressure connection is implemented via ange ports or threaded connections; see Chapter 4,
"Dimensions"
■
Observe the tting manufacturers’ specied tightening torques.
Suction port
■
The suction port is implemented via ange ports or threaded connections; see Chapter 4, "Dimensions".
■
If possible, route the suction line to the tank on a rising gradient. This allows trapped air to escape.
■
The absolute suction pressure must not fall below 0.8 bar.
■
A hose line should generally be used in preference to a rigid pipe line.
Drain port
■
The pump features 4 drain ports, see Chapter 5.2.3, "Installation positions". The cross-section is
determined by the max. permissible housing pressure.
■
Integrate the leakage line in the system in such a way as to prevent direct connection with the suction
line of the pump.
■
All drain ports can be used simultaneously.
■
A separate leakage line from the pump controller to the tank is not required.
■
The top drain port can be used to ll the housing.
LS port X
■
The LS line is connected via an G 1/8 threaded connection to the X port of the controller.
■
The nominal width of the line depends on the mounting position of the pump and should be 10% of the
pressure line capacity. A hose line should generally be used in preference to a rigid pipe connection.
■
When the proportional directional spool valve is in neutral position, the LS line must always be fully
relieved (pump controller type LS2, RP2-LS2, RN0 and RN2-LS2 only)! For pump controller type LS0 and
RN2-LS0, the relieving takes place internally in the pump controller.
Remote-control port X The remote-control line is connected via a G 1/8 threaded connection to the X port of the LS3 controller.
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5.2.3 Installation positions
The pump features 4 drain ports. In the delivery condition, connection D1 is open and connections D2, D3 and D4 are sealed.
Prior to the installation in the vehicle, ll the pump with hydraulic uid to at
least three quarters of its volume in a horizontal position.
The uppermost drain port must always be used. If D1 is not the uppermost drain
port, it must be sealed; to do so, remove the tapped plug from the uppermost
drain port and t it to D1 instead.
The pump can be installed above the oil level in the tank if the minimum inlet
pressure at the suction port is not undershot.
If the pump is installed outside the tank, it is recommended to provide a bafe
plate in the tank between the leakage line and the suction line to calm the
hydraulic uid.
Installation in the tank
Pump below the oil level
■
A Ú 200 mm
Pump above the oil level
Inlet pressure % 0.8 bar abs.
■
B Ò 800 mm
■
C = 200 mm
Horizontal installation
Installation outside the tank
Pump above the oil level
Inlet pressure % 0.8 bar abs.
■
B Ò 800 mm
■
C = 200 mm
Pump below the oil level
■
C = 200 mm
HAWE Hydraulik SE D 7964/1 - 12-2024 - 1.0 45/60
Installation in the tank
Pump below the oil level
■
A Ú 200 mm
Pump above the oil level
Inlet pressure % 0.8 bar abs.
■
B Ò 800 mm
■
C = 200 mm
Vertical installation
Installation outside the tank
Pump above the oil level
Inlet pressure % 0.8 bar abs.
■
B Ò 800 mm
■
C = 200 mm
■
IN = Suction line
■
D1 = Leakage line
■
A = Minimum distance between suction line and leakage line
■
B + C = Maximum suction height
■
C = Minimum installation depth of suction line
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5.3 Operating instructions
Observe product configuration and pressure/ow rate.
The statements and technical parameters in this document must be strictly observed.
The instructions for the complete technical system must also always be followed.
NOTICE
Read the documentation carefully before usage.
The documentation must be accessible to the operating and maintenance staff at all times.
Keep documentation up to date after every addition or update.
CAUTION
Overloading components due to incorrect pressure settings.
Risk of minor injury. Parts may burst or y off, and uncontrolled leakage of hydraulic uid.
■
Pay attention to the maximum operating pressure of the pump, valves and ttings.
■
Always monitor the pressure gauge when setting and changing the pressure.
Purity and ltering of the hydraulic uid
Fine contamination can significantly impair the function of the product. Contamination can cause irreparable damage.
Examples of ne contamination include:
■
Swarf
■
Rubber particles from hoses and seals
■
Dirt due to assembly and maintenance
■
Mechanical debris
■
Chemical ageing of the hydraulic uid
NOTICE
New hydraulic uid from the manufacturer may not have therequired purity.
Damage to the product is possible.
Filter new hydraulic uid to a high quality when lling.
Do not mix hydraulic uids. Always use hydraulic uid that is from the same manufacturer, of the same type, and with the
same viscosity properties.
For smooth operation, pay attention to the cleanliness level of the hydraulic uid (cleanliness level see Chapter 3, "Parameters").
Additionally applicable document: D 5488/1 oil recommendations
5.4 Maintenance information
This product is largely maintenance-free.
Check regularly (at least once a year) by visual inspection whether the hydraulic connections are damaged. If external leakages are
found, shut down and repair the system.
Clean the surface of the device regularly (at least once a year) (dust deposits and dirt).
HAWE Hydraulik SE D 7964/1 - 12-2024 - 1.0 47/60
6
Other information
6.1 Planning information
Determination of nominal sizes
Delivery ow
Drive torque
Drive power
Q = Flow rate (l/min)
M = Torque (Nm)
P = Power (kW)
V
g
= Geom. output volume (cm
3
/rev)
Sp
= Differential pressure
n = Speed (min
-1
)
η
V
= Volumetric efficiency
η
mh
= Mechanical-hydraulic efficiency
η
t
= Overall efficiency (η
t
= ηv · η
mh
)
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6.2 Pump controller - Further information
6.2.1 Pressure controller
The RP0, RP2, LS3 and PEC controllers are pressure controllers. As soon as the pump pressure exceeds the set value, the controller
reduces the swivel angle of the pump and regulates a constant pressure level.
RP0: Pressure controller with xed pressure setting. The pressure setting is implemented via an adjusting screw on the controller.
RP2: 2-stage pressure controller for electrical switching between two pressure settings. The two pressure settings are implemented via
two adjustment screws on the controller. The maximum pressure is set at one of the two main stages. The second, lower pressure is set
at a pilot valve, which can be switched on or off using an electrically operated 2/2-way directional valve. The 2/2-way directional valve
is available as an N/C contact (closed in normal position) or as an N/O contact (open in normal position).
Additional and solenoid voltage:
Coding Description Nominal voltage
1 12 V DC
2
N/C contact (closed in normal position)
24 V DC
6 12 V DC
7
N/O contact (open in normal position)
24 V DC
LS3: Pressure controller with xed pressure setting and additionally with remote-control port. The pressure setting is implemented via
an adjusting screw on the controller. An external pilot valve can be connected to the remote-control port to enable remote adjustment.
PEC: Electro-proportional pressure controller with falling characteristic line. The maximum pressure is set mechanically on the pressure
controller. Below this, the pressure can be adjusted electro-proportionally.
Typical application
■
Hydraulic fan control
■
eLS systems
Additional and solenoid voltage:
Coding Description Nominal voltage
1 12 V DC
2
Falling characteristic line (closed in normal position)
24 V DC
HAWE Hydraulik SE D 7964/1 - 12-2024 - 1.0 49/60
RP0 RP2
1
Pressure controller
1
Main stage for setting the maximum pressure
2
Pilot valve for setting the second, lower pressure level
3
2/2-way directional valve for switching the pilot valve on or off
4
Main stage that regulates the second, lower pressure level in conjunction
with the pilot valve
LS3 PEC
1
Main stage for setting the maximum pressure
2
Main stage that can regulate a lower pressure in conjunction with the
pilot valve at connection X
3
Pilot valve (not included in scope of delivery)
1
Electro-proportional pressure controller with falling characteristic line
50/60 D 7964/1 - 12-2024 - 1.0 HAWE Hydraulik SE
Characteristic lines
RP0, RP2, LS3 PEC
p
B
operating pressure (bar); Q delivery ow (%) I current (mA); p pressure (bar)
1
Approx. 4 bar
RP0
1
Maximum pressure p
max
RP2
1
Maximum pressure p
max
2
Differential pressure Sp (main stage that regulates the second, lower pressure level in conjunction with the pilot valve)
3
Pilot pressure p
pil
HAWE Hydraulik SE D 7964/1 - 12-2024 - 1.0 51/60
LS3
1
Maximum pressure p
max
2
Differential pressure Sp (main stage that can regulate a lower pressure in conjunction with the pilot valve at connection X)
PEC
1
Maximum pressure p
max
Pressure adjustment Pressure range
(bar)
Factory-set pressure setting
(bar)
Maximum pressure p
max
(RP0, RP2, LS3)
80 ... 250 or 280 250 or 280
Differential pressure Sp
(RP2, LS3)
12 ... 40 19
CAUTION
Overloading components due to incorrect pressure settings.
Risk of minor injury. Parts may burst or y off, and uncontrolled leakage of hydraulic uid.
■
Pay attention to the maximum operating pressure of the pump, valves and ttings.
■
Always monitor the pressure gauge when setting and changing the pressure.
52/60 D 7964/1 - 12-2024 - 1.0 HAWE Hydraulik SE
6.2.2 Load-sensing controller
The LS2, LS0 and RP2-LS2 controllers are ow controllers that generate a variable, speed-independent ow rate. They adapt the
displacement volume of the pump to the required ow rate of the consumer and regulate a constant difference between load pressure
and pump pressure.
The integrated pressure limitation restricts the maximum pressure to a set value.
LS2:
■
Connection X-T sealed
■
Version for combination with hydraulic valves that relieve the LS signal in the valve, for example, type PSV proportional directional
spool valve
LS0:
■
Connection X-T open
■
Only for use with hydraulic valves without their own relief of the LS signal
RP2-LS2:
■
Combination of ow controller (LS2) and 2-stage pressure controller (RP2)
■
Connection X-T sealed
■
Version for combination with hydraulic valves that relieve the LS signal in the valve, for example, type PSV proportional directional
spool valve
■
With integrated electrical switching between two different setting values for the pressure limitation. The two pressure settings are
implemented via two adjustment screws on the controller. The maximum pressure is set at one of the two main stages. The second,
lower pressure is set at a pilot valve, which can be switched on or off using an electrically operated 2/2-way directional valve. The
2/2-way directional valve is available as an N/C contact (closed in normal position) or as an N/O contact (open in normal position).
Additional and solenoid voltage:
Coding Description Nominal voltage
1 12 V DC
2
N/C contact (closed in normal position)
24 V DC
6 12 V DC
7
N/O contact (open in normal position)
24 V DC
LS2 LS0
1
LS controller: Regulates a constant difference between load pressure and pump pressure
2
Pressure limitation: Limits the pump pressure to a maximum value
3
Connection X-T sealed
4
Connection X-T open for the internal relief of the LS signal
HAWE Hydraulik SE D 7964/1 - 12-2024 - 1.0 53/60
RP2-LS2
1
LS controller: Regulates a constant difference between load pressure and pump pressure
2
Pressure limitation: Limits the pump pressure to a maximum value
3
Pilot valve for setting the second, lower pressure level
4
2/2-way directional valve for switching the pilot valve on or off
LS0, LS2
1
Maximum pressure p
max
2
Differential pressure Sp (stand-by pressure)
RP2-LS2
1
Maximum pressure p
max
2
Differential pressure Sp (stand-by pressure)
3
LS pressure limitation p
LS
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Pressure adjustment Pressure range
(bar)
Factory-set pressure setting
(bar)
Maximum pressure p
max
80 ... 250 or 280 250 or 280
Differential pressure Sp
12 ... 40 19
CAUTION
Overloading components due to incorrect pressure settings.
Risk of minor injury. Parts may burst or y off, and uncontrolled leakage of hydraulic uid.
■
Pay attention to the maximum operating pressure of the pump, valves and ttings.
■
Always monitor the pressure gauge when setting and changing the pressure.
HAWE Hydraulik SE D 7964/1 - 12-2024 - 1.0 55/60
6.2.3 Power controller
RNO, RN1
The RN0 and RN1 controllers are power controllers with xed settings. When the product of displacement volume times pressure
exceeds the set value, the controller reduces the pump’s swivel angle. This protects the drive shaft, motor or gearbox from overloading
(p
B
x V
g
= constant).
RN0: Combination of power controller and load-sensing controller with integrated pressure limitation without LS relief
RN1: Combination of power controller and mechanically adjustable pressure controller
RN2-LS2, RN2-LS0
The RN2-LS2 and RN2-LS0 controllers are 2-stage power controllers with electrical switching between two xed setting values.
The 2/2-way directional valve for switching between the two power levels is available as an N/C contact (closed in normal position) or
as an N/O contact (open in normal position).
Typical applications
■
Backhoe loaders in which the entire motor power is used for the working hydraulics during excavation operation – whereas in wheel
loader operation, the power is divided between the working functions and the travel drive.
■
Motor-pump units (MPUs) for electrified mobile work machines in which the electric motor is briey over-currented to cover power
peaks.
RN2-LS2: Combination of power controller with electrical switching between two torque settings and load-sensing controller with
pressure limitation without LS relief
RN2-LS0: Combination of power controller with electrical switching between two torque settings and load-sensing controller with
pressure limitation with LS relief
Additional and solenoid voltage:
Coding Description Nominal voltage
1 12 V DC
2
N/C contact (closed in normal position)
24 V DC
6 12 V DC
7
N/O contact (open in normal position)
24 V DC
Setting
The setting is made either as a torque limitation (Nm) or power limitation (kW) at the corresponding speed (min
-1
).
Drive torque
Drive power
V
g
= Geometric output volume (cm³/rev)
Sp
= Differential pressure
n = Speed (min
-1
)
η
v
= Volumetric efficiency
η
mh
= Mechanical-hydraulic efficiency
η
T
= Overall efficiency η
T
= η
v
* η
mh
)
Q = Flow rate (l/min)
M = Torque (Nm)
P = Power (kW)
56/60 D 7964/1 - 12-2024 - 1.0 HAWE Hydraulik SE
RN0 RN1
1
Power controller: Limits the torque of the pump to a set maximum value. Works as a pilot valve of the LS controller (2) or the main stage (4)
2
LS controller: Regulates a constant difference between load pressure and pump pressure
3
Pressure limitation: Limits the pump pressure to a maximum value
4
Main stage for the power controller (1)
RN2-LS2 RN2-LS0
1
Power controller: Limits the torque of the pump to a set maximum value. Works as a pilot valve of the main stage (3). The lower characteristic line of the
2-stage power controller is set here.
2
LS controller: Regulates a constant difference between load pressure and pump pressure
3
Main stage for the power controller (1)
4
Electrically actuated 2/2-way directional valve for switching between two torque settings
5
Orice for setting the upper characteristic line of the 2-stage power controller. The larger the orice diameter, the higher the pressure on the spring side of
the main stage (3) and therefore the distance between the lower and upper characteristic line of the 2-stage power controller.
6
Connection X-T sealed
7
Connection X-T open for the internal relief of the LS signal
HAWE Hydraulik SE D 7964/1 - 12-2024 - 1.0 57/60
Characteristic lines
RN0, RN1 RN2-LS2, RN2-LS0
p
B
pressure (bar); V
g
displacement volume (%)
1
Theoretical torque
p
B
pressure (bar); V
g
displacement volume (%)
1
Theoretical torque
RN0, RN1
1
Torque setting M
max
2
Maximum pressure p
max
3
Differential pressure Sp (standby pressure) at RN0 or main stage for the power controller at RN1
58/60 D 7964/1 - 12-2024 - 1.0 HAWE Hydraulik SE
RN2-LS2, RN2-LS0
1
Pilot valve of the power controller for setting the upper characteristic line of the 2-stage power controller
2
2/2-way directional valve
3
Main stage of the power controller
4
Differential pressure Sp (stand-by pressure)
5
Orice for setting the upper characteristic line of the 2-stage power controller
Torque setting Min. setting value
(Nm)
C41V 30.. 45
C41V 48.. 61
C41V 60.. 97
Pressure adjustment Pressure range
(bar)
Factory-set pressure setting
(bar)
Maximum pressure p
max
80 ... 250 or 280 250 or 280
Differential pressure Sp
12 ... 40 19
CAUTION
Overloading components due to incorrect pressure settings.
Risk of minor injury. Parts may burst or y off, and uncontrolled leakage of hydraulic uid.
■
Pay attention to the maximum operating pressure of the pump, valves and ttings.
■
Always monitor the pressure gauge when setting and changing the pressure.
HAWE Hydraulik SE D 7964/1 - 12-2024 - 1.0 59/60
References
Additional versions
■
Variable displacement axial piston pump type V60N: D 7960 N
■
Variable displacement axial piston pump type V30E: D 7960 E
■
Variable displacement axial piston pump type V30D: D 7960
■
Fixed displacement axial piston pump type K60N: D 7960 K
■
Axial piston motors type M60N: D 7960 M
■
Proportional directional spool valve type EDL: D 8086
■
Proportional directional spool valves types PSL, PSV size 2: D 7700-2
■
Proportional directional spool valves types PSL/PSV/PSM, size 3: D 7700-3
■
Proportional directional spool valve, type PSL, PSM and PSV size 5: D 7700-5
■
Proportional directional spool valve type PSLF, PSVF and SLF size 3: D 7700-3F
■
Proportional directional spool valve type PSLF, PSVF and SLF size 5: D 7700-5F
■
Proportional directional spool valve banks type PSLF and PSVF size 7: D 7700-7F
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Directional spool valve banks type CWS: D 7951 CWS
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Directional spool valve type CWL: D 7953 CWL
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Load-holding valve type CLHV: D 7918-VI-C
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Load-holding valve type CLHV: D 7918-VI-PIB
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Load-holding valve type LHDV: D 7770
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Proportional amplifier type EV1M3: D 7831/2
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Proportional amplifier type EV1D: D 7831 D
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Proportional amplifier type EV2S: D 7818/1
Operating instructions
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General operating manual for the assembly, initial operation and maintenance of hydraulic components and systems: B 5488
60/60 D 7964/1 - 12-2024 - 1.0 HAWE Hydraulik SE