PISTON 1453617 - Caterpillar

Illustration 1 g00102293
To prevent damage to the motor, the case must be filled with hydraulic oil at least to the fill port before operation.
Relief valve pressure setting ... 24000 980 kPa (3480 142 psi) (1) Torque for two relief valves ... 175 10 N m (130 7 lb ft) (2) Torque for two locknuts ... 160 30 N m (120 22 lb ft) (3) Torque for two plugs ... 120 10 N m (90 7 lb ft) (4) 4I-7792 Spring Free Length ... 36.0 mm (1.42 inch) Outside diameter ... 10.9 mm (0.43 inch) (5) 7I-7965 Spring Free Length ... 47.8 mm (1.89 inch) Outside diameter ... 21.5 mm (0.85 inch) (6) Torque for three bolts ... 12 1 N m (9 1 lb ft) (7) Torque for two plugs ... 334.0 33.4 N m (246.35 24.63 lb ft) (8) Two 7Y-4268 Springs Free Length ... 48.5 mm (1.91 inch) Outside diameter ... 18.7 mm (0.74 inch) (9) Torque for four bolts ... 430 43 N m (320 32 lb ft) (10) Torque for two plugs ... 59 5.9 N m (44 4 lb ft) (11) Twenty-four 126-2055 Spring Free Length ... 37.5 mm (1.48 inch) Outside diameter ... 17.9 mm (0.70 inch) (12) 5I-8422 Spring Free Length ... 67.8 mm (2.67 inch) Outside diameter ... 51.0 mm (2.01 inch)