Miscellaneous; Check Bucket Teeth And Cutting Edge - Hitachi ZW140-6 Operator's Manual

L. Miscellaneous

Check Bucket Teeth and Cutting Edge

--- every 10 hours (daily)
Check bucket teeth for wear and looseness.
Replace
d
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
bucket 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
Cutting edge
Bucket teeth
5. Retighten mounting nuts (2) after a few hours of
operation.
MAINTENANCE
: 1068 N·m (109 kgf·m) (788 lbf·ft)
: 1068 N·m (109 kgf·m) (788 lbf·ft)
2
3
1
7-103
1
M4GB-07-115
2
4
M4GB-07-116