Miscellaneous; Check Bucket Teeth And Cutting Edge - Hitachi ZW180 Operator's Manual

L. MISCELLANEOUS
1

Check Bucket Teeth and Cutting Edge

--- every 10 hours (daily)
Check bucket teeth for wear and looseness.
Replace
WARNING: Guard against injury from flying pieces of
metal. Wear goggles or safety glasses, hard hat and
face shield.
1. Raise the bucket to an appropriate height with the buck-
et bottom parallel to the ground. Insert blocks under the
bucket to support it.
Stop the engine.
2. Loosen bolts (1) and nuts (2). Remove bucket teeth (3) or
cutting edge (4).
3. Install new teeth (3) or cutting edge (4). If the reverse side
of a cutting edge is not worn much, use it again with the
face reversed. If both sides are worn out, replace it with a
new one.
4. Tighten nuts (2).
Tightening torque:
Bucket teeth: 1068 N•m (109 kgf•m)
Cutting edge: 1940 N•m (198 kgf•m)
5. Retighten mounting nuts (2) after a few hours of opera-
tion.
MAINTENANCE
3
7-95
2
1
2
4
1
M4GB-07-115
M4GB-07-116