MAINTENANCE MAINTENANCE PROCEDURE
4-37
Replace wear cap
Replace the wear cap before the adapter starts to wear.
q It is dangerous if the work equipment moves by mistake when the wear cap are being replaced.
Set the work equipment in a stable condition, then stop the engine and set the lock lever securely to
the LOCK position.
q There is a hazard that fragments will fly during the replacement work, so always wear protective equip-
ment like safety glasses and gloves.
q If the tooth pins cannot be removed in this procedure, for safety's sake, be sure to ask your Komatsu
distributor for the replacement.
Prepare for a socket wrench for 16 mm- width across flats.
1. Set the bucket with the bottom of the bucket on block (3) so
that pin (1) can be removed, then stop the engine.
2. Within 15 seconds after stopping the engine, move each
control lever (for work equipment and travel) to the full
stroke in all directions to release the internal pressure.
3. Check that the work equipment is in a stable condition,
then set the lock lever to the LOCK position (L).
4. Fit a socket wrench to the head of pin (1), then turn it coun-
terclockwise 90° to release the lock of the pin.
To Next Page
Loading...
