Miscellaneous; Check Bucket Teeth And Cutting Edge - Hitachi ZW 180-6 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.
Cutting Edge
1. Lift the bucket so its bottom is level. Lift the bucket to
an appropriate height and wedge a block under it so
the bucket will not come down. Stop the engine.
2. Loosen bolts (1) and nuts (2). Remove cutting edge (4).
3. Install new 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
5. Retighten mounting nuts (2) after a few hours of
operation.
Bucket Teeth
1. Lift the bucket so its bottom is level. Lift the bucket to
an appropriate height and wedge a block under it so
the bucket will not come down. Stop the engine.
2. Insert a prybar into the locking part of the tooth,
unlock it and remove the point.
3. Remove the point of the tooth.
4. Mount a new point and lock it with the prybar.
5. After operating the machine for several hours, check
and make sure there are no problems with the
mounting of the point.
MAINTENANCE
: 1068 N·m (788 lbf·ft)
1
Lock
Unlock
prybar
MNEK-07-045
7-107
2
4
M4GB-07-116
MNEK-07-041
MNEK-07-046
Point