Parker P1 Series - Page 45

Parker Hannin Corporation
Hydraulic Pump and
Power Systems Division
Marysville, Ohio USA
Bulletin HY28-2665-02/SVC/EN
Medium Pressure Axial Piston Pumps
P1/PD Maintenance
45
018, 028, 045 Pump Test Procedure
PERFORMANCE SPECIFICATIONS
PUMP WITH PRESSURE COMPENSATOR
STEP
REFERENCE
CONDITION 018 028 045
1 Rated Speed 1800 1800 1800
4 Output Flow at minimum pressure
32 lpm
minimum
49 lpm
minimum
80 lpm
minimum
5 Output Flow at rated pressure of 280 bar
30 lpm
minimum
47 lpm
minimum
77 lpm
minimum
6 Case leakage at rated pressure of 280 bar 1.6 lpm 2.3 lpm 5.3 lpm
9* Case leakage when compensated at 280 bar 5.7 lpm 5.7 lpm 9.5 lpm
10 Input Torque when compensated at 280 bar 17.5 Nm 21.2 Nm 42 Nm
11
Output Flow when pressure reduced to 273 bar
with compensator set at 280 bar
30 lpm
minimum
47 lpm
minimum
77 lpm
minimum
* When using the A series compensators increase compensated case leakage by 2.3 lpm
TEST PROCEDURE
PUMP WITH PRESSURE COMPENSATOR
STEP
REFERENCE
CONDITION REQUIRED VALUE MEASURED VALUE
1 Set the pump speed to 1800 RPM 1800 rpm
2
Increase pump pressure compensator adjustment
to
maximum.
n/a
3 Record input oil temperature 43-54 ° C (110 – 130 °F)
4
Set output load pressure to minimum.
Record output ow
see performance chart
5
Set output load pressure to 280 ± 2 bar
(4060 ± 30 psi). Record output ow
see performance chart
6 Record case leakage see performance chart
7 Set output pressure to 290 ± 2 bar (4200 ± 30 psi) n/a
8
Set pressure compensator to
280 ± 2 bar (4060 ± 30 psi)
n/a
9 Record case leakage see performance chart
10 Record input torque see performance chart
11
Reduce output pressure to 273 ± 2 bar
(3960 ± 30 psi). Record output ow
see performance chart
12 Verify no external leaks No leakage permitted