Hitachi ZAXIS 70 Operator's Manual page 238

20. Retighten flexible master coupling
21. Retighten coupling and T-bolt clamp
22. Retighten side-cutter mounting bolt
Tool: 30mm
Torque: 540 N·m (55 kgf·m, 400 lbf·ft)
MAINTENANCE
Flexible Master Coupling
7-84
M1G6-07-0208
M1CD-07-034
M1CD-07-033
M196-09-024