320C and 322C Excavators Attachment Hydraulic System – Relief Valve (Pilot)



Illustration 1 g02725678
Table 1
Specification for 158-8987 Pilot Oil Filter and Valve Gp, and 177-2576 Pilot Relief Valve Gp    
Item     Qty     Part     Specification Description    
1     1     –     Tighten the nut to
49.0 ± 4.9 N·m (36.1 ± 3.6 lb ft).    
2     1     215-4909 Pilot Relief Valve Gp     Torque to
117.6 ± 9.8 N·m (86.7 ± 7.2 lb ft).    
3     1     5I-8670 Oil Filter     Torque to
34.3 ± 4.9 N·m (303.6 ± 43.4 lb in).