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MAINTENANCE
Adjustment
There is danger of the plug flying out under the high inter-
nal pressure of the grease. When loosening plug (1),
never loosen it more than one turn.
Never loosen any part other than plug (1). Never put your
face in line with the mount of plug (1).
If the Rubber shoe tension is not relieved by this proce-
dure, please contact your Komatsu distributor.
Increasing Track Tension
Prepare a grease gun.
1.
Pump in grease through plug (1) with a grease gun.
2.
To check that the tension is correct, move the machine slowly forward and backward.
3.
Check the track tension again, and if the tension is not correct, adjust it again.
4.
If the track tension is still loose after grease is pumped in, it is necessary to replace the rubber shoe or
replace the seal inside the cylinder. Please contact your Komatsu distributor for replacement.
Loosening Track Tension
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 for repairs.
1.
Loosen plug (1) gradually to release the grease.
2.
Turn plug (1) a maximum of one turn.
3.
If the grease does not come out smoothly, move the
machine forwards and backwards a short distance.
4.
Tighten plug (1).
5.
To check that the correct tension has been achieved,
move the machine forwards and backwards.
6.
Check the track tension again, and if the tension is not
correct, adjust it again.
WARNING
WARNING
MAINTENANCE PROCEDURE
4-35
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