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MAINTENANCE
SERVICE PROCEDURE
WHEN INCREASING TENSION
Prepare a grease pump.
1.
Pump in grease through grease fitting (2) with a grease pump.
2. To check that the correct tension has been achieved, move the
machine backwards and forwards.
3.
Check the track tension again, and if the tension is not correct,
adjust it again.
4. Continue to pump in grease until (S) becomes 0 mm. If the
tension is still loose, the pin and bushing are excessively worn,
so they must be either turned or replaced. Please contact your
Komatsu distributor.
WHEN LOOSENING TENSION
WARNING
It is extremely dangerous to release the grease by any method except the procedure given below. If the track tension is not
relieved by this procedure, please contact your Komatsu distributor.
1. Remove 2 bolts (3), then remove cover (2).
NOTICE
The safety label is stuck on the back of cover (2), so be careful not to
damage the safety label.
When removing cover (2), be careful not to let any dirt or soil get in.
2.
Loosen lubricator (1) gradually to release the grease.
3.
Turn lubricator(1) a maximum of one turn.
4. If the grease does not come out smoothly, move the machine forwards and backwards a short distance.
5.
Tighten lubricator(1).
6.
To check that the correct tension has been achieved, move the machine backwards and forwards.
7. Check the track tension again, and if the tension is not correct, adjust it again.
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