ENGINE AR-COMPLETE 3936217 - Caterpillar

Illustration 1 g00533973
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 in machine ... 29900 980 kPa (4350 140 psi) (1) Torque for two valves ... 180 10 N m (135 7 lb ft) (2) Torque for two plugs ... 120 10 N m (90 7 lb ft) (3) 4I-7792 Springs Free length ... 36.0 mm (1.42 inch) Outside diameter ... 11.0 mm (.43 inch) (4) Torque for two nuts ... 160 30 N m (120 22 lb ft) (5) 4I-7790 Spring Free length ... 48.5 mm (1.91 inch) Outside diameter ... 22.2 mm (.87 inch) (6) Torque for three bolts ... 12 1 N m (9 1 lb ft) (7) Torque for two bolts ... 7 1 N m (5 1 lb ft) (8) Torque for four bolts ... 430 43 N m (320 32 lb ft) (9) Torque for two plugs ... 220 20 N m (160 15 lb ft) (10) 7Y-4268 Spring Free length ... 48.5 mm (1.91 inch) Outside diameter ... 18.7 mm (.74 inch) (11) 123-2139 Spring Free length ... 44.2 mm (1.74 inch) Outside diameter ... 21.0 mm (.83 inch) (12) 7Y-4255 Spring Free length ... 58.6 mm (2.31 inch) Outside diameter ... 57.0 mm (2.24 inch)