BLADE & EDGE GP-STRAIGHT 4Z9432 - Caterpillar

Illustration 1 g00106767
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)Before assembly, apply a small amount of hydraulic oil on the sliding surfaces of the following parts:
piston (2)
guide (3)
barrel (4)
piston assembly (9)
spool (14) (5) Torque for 10 bolts ... 177 18 N m (131 13 lb ft) (6) 107-6981 Shim Thickness of one shim ... 0.8 mm (0.031 inch) 107-6980 Shim Thickness of one shim ... 1.0 mm (0.040 inch) 107-6976 Shim Thickness of one shim ... 1.2 mm (0.050 inch) 107-6977 Shim Thickness of one shim ... 1.4 mm (0.055 inch) 107-6978 Shim Thickness of one shim ... 1.6 mm (0.063 inch) 107-6979 Shim Thickness of one shim ... 1.8 mm (0.071 inch)To ensure that the following conditions are fulfilled, install shims (6) :
When parking brake release port (12) is vented to the air, the motor output shaft rotates with a torque of 785 N m (579 lb ft).
When pressure at parking brake release port (12) is 780 kPa (115 psi), the motor output shaft rotates with a torque of 29 N m (21 lb ft) or less. Both the inlet port and the outlet port must be open to the hydraulic tank. (7) Apply 1U-8846 Liquid Gasket to the seal. (8) 095-7380 Spring Free length ... 15.0 mm (0.59 inch) Outside diameter ... 11.7 mm (0.46 inch) (10) 096-4389 Spring Free length ... 33.7 mm (1.33 inch) Outside diameter ... 7.5 0.2 mm (0.30 0.01 inch) (11) Torque for 10 plugs ... 15 2 N m (11 1 lb ft) (13) 096-3978 Spring Free length ... 34.7 mm (1.37 inch) Outside diameter ... 14.0 0.1 mm (.55 .004 inch)