Miscellaneous; Check Cutting Edge - Hitachi ZW 120-6 Operator's Manual

L. Miscellaneous

Check Cutting Edge

--- every 10 hours
Check 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 cutting edge (3).
3. Install new cutting edge (3). 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 : 1068 N·m (107 kgf·m, 790 lbf·ft)
5. Retighten mounting nuts (2) after a few hours of
operation.
MAINTENANCE
1
7-95
2
3
M4GB-07-116