308C CR Excavator Hydraulic System – Swing Motor



Illustration 1 g00742754


NOTICE

An improper hydraulic oil level can result in machine damage.


Relief valve pressure setting … 26000 ± 980 kPa (3771 ± 142 psi)

(1) 188-4061 Spring

Free Length … 36.7 mm (1.5 inch)
Outside Diameter … 8.7 mm (0.35 inch)

(2) Torque for two plugs … 157 ± 10 N·m (115 ± 7 lb ft)

(3) 188-4042 Spring

Free Length … 45 mm (1.77 inch)
Outside Diameter … 34.5 mm (1.36 inch)

(4) Torque for plug … 15.7 ± 0.78 N·m (139 ± 7 lb in)

(5) Torque for two hubs … 373 ± 20 N·m (270 ± 15 lb ft)

(6) Torque for nut … 39 ± 5 N·m (30 ± 4 lb ft)

(7) Torque for two bolts … 9.8 ± 1 N·m (7 ± 1 lb ft)

(8) Torque for four bolts … 177 ± 10 N·m (135 ± 7 lb ft)

(9) Apply 9S-3263 Thread Lock Compound to the threads of the four bolts.

Torque for bolt … 177 ± 10 N·m (135 ± 7 lb ft)

(10) Torque for three bolts … 32.4 ± 2 N·m (25 ± 2 lb ft)

(11) 188-4055 Spring

Free Length … 18.4 mm (0.7244 inch)
Outside Diameter … 9.8 mm (0.3858 inch)

(12) 188-4054 Spring

Free Length … 21 mm (0.83 inch)
Outside Diameter … 14.6 mm (0.58 inch)