Hitachi ZW 550-6 Operator's Manual page 413

21. Cab cushion rubber mounting bolt
Bolt diameter
Quantity
Wrench size
Tightening torque 210 N·m (21 kgf·m, 155 lbf·ft)
22. ROPS mounting bolt
Bolt diameter
Quantity
Wrench size
Tightening torque 1421 N·m (145 kgf·m, 1048 lbf·ft)
MAINTENANCE
16 mm (0.63 in)
4
22 mm
30 mm (0.63 in)
22
46 mm
7-129
MNHE-07-066
MNHE-07-070