Check Tire For Damage; Check Wheel Bolt Torque - Hitachi ZW 310-6 Operator's Manual

Check Tire for Damage

--- every 10 hours (daily)
d
WARNING: If tire has external damage such as scoring,
an accident due to puncture or bursting of the tire may
occur, possibly resulting in personal injury or death.
Check the external appearance of tires for any damage.

Check Wheel Bolt Torque

--- every 500 hours (50 hours at first time only)
Be sure to check the wheel bolt torque by turning the bolt in
the tightening direction.
Tightening torque: 890 N·m (91 kgf·m)
Replace Tire
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WARNING: Secure the front and rear frames with the
articulation lock bar and pins.
IMPORTANT: Height of the machine may change
according to the types of tires to be installed.
Do not change the specifications of the registered
machine by using unauthorized tire sizes.
1. Park the machine following the same procedures as
described on page 7-8 for preparation of inspection/
maintenance work.
2. Install articulation lock bar to the front and rear of the
frame by following the procedures described on page
7-10.
3. Loosen all wheel bolts one turn.
Note which way the tread pattern is facing.
4. After jacking up the machine, securely support the
machine with blocks.
5. Remove the wheel bolts. Replace the tire.
6. With the tire raised off the ground, lightly tighten the
wheel bolts in order as illustrated to the right.
7. Lower the machine. Retighten the wheel bolts to
specification in the order as illustrated to the right.
MAINTENANCE
7-108
(Right) (Wrong)
Front
M4GB-07-104
M4GB-07-102