320C and 322C Excavators Attachment Hydraulic System – Boom Lines



Illustration 1 g00755748

(1) Spacing between the end of the tube assemblies and the center of the mounting bolts (2) that are nearest to the boom’s frame pin bore … 150.0 ± 5.0 mm (5.91 ± 0.20 inch)

(3) Torque for four tube assemblies … 150 ± 15 N·m (111 ± 11 lb ft)

(4) Torque for hose assembly … 150 ± 15 N·m (111 ± 11 lb ft)

(5) Torque for hose assembly … 190 ± 20 N·m (140 ± 15 lb ft)