away from the inlet pipe.
4 - 7 [0.157 - 0.276]
45
°
150 [6] min.
50 [2] min.
than 20
°
C (68
°
F).
permitted.
in the diagram below (detail "A").
which must imperatively fall within the value specified
on the pump shaft.
No induced RADIAL or AXIAL LOADS are allowed
Other types of motor - pump couplings are not
3) Motor-pump coupling must be made with a
to the distance between the two half-couplings
When assembling, maximum attention must be given
with cam in polyamide material.
self-aligning coupling with convex teeth and
4) During the first installation, the pump must be
run in maximum flow condition (P connected to T),
with the oil flowing directly into the tank, thus to induce
oil level, it is recommended to pay attention
mounted with horizontal axis and the horse
to the inlet pressure (page 3).
PSPK pumps sizes 2 and 3 must be
1) PSPK pumps size 1 can be mounted
The minimum section of the inlet pipe
When the pump is installed over the tank
must be equal to the section of the thread
inlet port of the pump. The inlet pipes should
be as short as possible, with a small numbers
2) All return and drain pipes must be placed
power limiter device upward (see figure).
in any positions.
of elbows and without inside section changes.
placed on the compensator.
be completely filled up with oil.
(435 psi), and on condition that the system and pump
(body pump temperature) must not exceed by more
Subsequent start-ups in zero flow setting conditions are
followings, the difference between the oil
temperature and the environment temperature
admissible only with pressure not exceeding 30 bar
During the starting operations, both the first and the
This phase must go on for several minutes.
turned off and the operation repeated.
occur within a few seconds, otherwise the pump must be
Pump priming (oil output to the delivery side) must
from the pump (see figure).
To ensure maximum pump working life,
recommended to install a heat exchanger in the
In the systems where the pump runs for a long
50
°
C (122
°
F).
inlet oil temperature must never be above
the system components and to have a low
exchange the thermal power generated to
The oil tank must be suitably sized in order to
re-cycle speed.
The drain pipe must always be independent of
other return lines, connected directly to the tank
and extended sufficiently inside the tank so as
to be below the minimum oil level in order to
avoid generating foam. Moreover, the drain pipe
drain line. The pressure on the drain port must
time in zero flow setting condition, it is
never be in excess of the specified value (page 3).
must be free of restrictions and as far as possible
8
so that the oil will be not re-sucked directly air bleeding. For sizes 2 and 3 there is an air bleed
Note: dimensions inside [ ] are in inches.
DETAIL A
0.05 A
A
Installation instructions
oleodinamica
200 [8] min.
300 [12] min.
DRAIN
OUT
IN
100 [4] min.