Parker P1 Series - Page 29

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
29
“L” Compensator
Item No. Qty Description NOTES / Tightening Torque
8 1 Main Compensator Spring cap O-ring
9 1 Main Compensator Spring cap 115 ± 7 N-m (85 ± 5 ft-lbs)
10 2 Adjusting screw locknut 7.9 ± 0.8 N-m (70 ±7 in-lbs)
11 2 Adjusting screw
12 1 Load Sense Compensator Spring cap 36.5 ± 1.5 N-m (27 ± 1 ft-lbs)
13 1 Load Sense Compensator Spring cap O-ring
14 1 Load Sense Compensator Piston backup ring
15 1 Load Sense Compensator Piston O-ring
16 1 Load Sense Compensator Seal Piston
17 1 Load sense compensator spring
18 1 Load sense compensator spring seat
19 1 Load sense compensator spool
20 1 Socket set screw (Loctite 242) 3.4 ± 0.4 N-m (30 ± 3 in-lbs)
21 1
Socket set screw L0 & L1 versions
(Loctite 242)
3.4 ± 0.4 N-m
(30 ± 3 in-lbs)
Orice L2 & L3 versions
22 3 SAE #2 O-ring boss plug 4.0 ± 0.6 N-m (35 ± 5 in-lbs)
23 5 SAE #2 O-ring
24 2 Hardened SAE #2 O-ring boss plug 4.0 ± 0.6 N-m (35 ± 5 in-lbs)
25 4 Teon O-ring
26 1 Roll pin
27 4 Hex mounting screw 5.0 ± 0.3 N-m (45 ± 3 in-lbs)