CYLINDER & LINES GP-LIFT 3937454 - Caterpillar

Illustration 1 g00536691
To prevent damage to the motor, the case must be filled with hydraulic oil at least to the fill port before operation.
(1) Torque for two stoppers ... 140 14 N m (105 10 lb ft) (2) Before assembly, apply a small amount of hydraulic oil onto the sliding surfaces of the following parts.
piston (2)
guide (3)
barrel (4)
pistons (9) (5) Torque for ten bolts ... 175 18 N m (130 13 lb ft)Use shims (6) in order to meet the following requirements.
The motor output shaft does not rotate with a torque of 440 N m (320 lb ft) or more and with the parking brake release port (12) open to the air.
The motor output shaft rotates with a torque of 29 N m (21 lb ft) or less when the parking brake release port is pressurized to 780 kPa (115 psi) and when both the inlet port and the outlet port are open to the hydraulic tank.Note: During this test, turn the output shaft clockwise. (6) Thickness of shims 96-1521 Shim ... 1.0 mm (.04 inch) 96-3785 Shim ... 1.2 mm (.05 inch) 96-3786 Shim ... 1.4 mm (.06 inch) 96-3787 Shim ... 1.6 mm (.06 inch) 96-3788 Shim ... 1.8 mm (.07 inch) 96-1522 Shim ... 2.0 mm (.08 inch) (7) Apply 5P-3413 Sealant to the seal. (8) 95-7380 Spring Free length ... 15.0 mm (.59 inch) Outside diameter ... 11.7 mm (.46 inch) (10) 118-4057 Spring Free length ... 35.9 mm (1.41 inch) Outside diameter ... 9.5 mm (.37 inch) (11) Torque for ten plugs ... 15 2 N m (11 1 lb ft)