Hitachi ZW 310-6 Operator's Manual page 395

1. Front axle mounting bolt
Bolt diameter
Quantity
Wrench size
Tightening torque 1420 N·m (145 kgf·m, 1045 lbf·ft)
f
NOTE: Do not lubricate these bolts.
2. Rear axle support mounting bolt
Bolt diameter
Quantity
Wrench size
Tightening torque 1420 N·m (145 kgf·m, 1045 lbf·ft)
f
NOTE: Do not lubricate these bolts.
MAINTENANCE
30 mm (1.2 in)
8
46 mm
30 mm (1.2 in)
10
46 mm
7-117
90Z7-7-105-1
90Z7B-7-114-2
90Z7-7-105-3