320C and 322C Excavators Attachment Hydraulic System – Check Valve (Stick Drift Reduction)



Illustration 1 g00677986

(1) Torque for plug … 35 ± 4 N·m (26 ± 3 lb ft)

(2) Torque for two plugs … 10 ± 2 N·m (89 ± 18 lb in)

(3) 087-5166 Spring

Free length … 70.0 mm (2.76 inch)
Outside diameter … 21.8 mm (0.86 inch)

(4) Torque for plug … 25 ± 5 N·m (18.4 ± 3.7 lb ft)

(5) 5I-8511 Spring

Free length … 61.4 mm (2.42 inch)
Outside diameter … 13.2 mm (0.52 inch)

(6) Torque for plug … 50 ± 7 N·m (36.9 ± 5.2 lb ft)

(7) Line Relief Valve

Pressure setting … 36800 ± 1470 kPa (5337 ± 213 psi)
Torque for valve … 95 ± 14 N·m (70 ± 10 lb ft)