Komatsu WA500-6H, Operation & Maintenance Manual

Page: 296 / 412

4.9 Service procedure
When required
Maintenance
4-42
WA500-6H – VEAM430100
Replace bucket teeth
WARNING
z It is dangerous if the work equipment moves by mistake
when the teeth are being replaced.
Set the work equipment in a stable condition, stop the
engine, and lock the work equipment control levers securely
with the work equipment lock lever.
z
If the pin is hit out with strong force, there is danger that the
pin may fly out. Check that there is no one in the surround-
ing area.
z
There is danger of pieces flying during the replacement
operation, so always wear protective clothing, such as safety
glasses and gloves.
Bucket with tip tooth
Replace the teeth before they wear down as far as the adapter.
1. Raise the bucket to a suitable height, then put blocks under
the bucket to prevent the bucket from coming down.
Raise the bucket so that the bottom surface of the bucket is
horizontal.
2. After lowering the bucket onto the block, stabilize it, then
stop the engine.
3. Remove pin (2) installed to the bucket, then remove tooth
(1).
Put a rod (slightly narrower than the pin) in contact with the
hatched portion (either left or right) and tap pin (2) out to the
opposite side.
REMARK
If it cannot be removed by this method, for safety reasons,
always contact your KOMATSU distributor to have the replace-
ment carried out.
4. Fit new tooth (1) in adapter (3), push in pin (2) partially by
hand, then knock it in with a hammer.
5. After operating the machine for a few hours, check that the
pin does not come out.
GK032259
1
2
GK032260
1
2
3