Komatsu PC18MR-3, Operation & Maintenance Manual

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MAINTENANCE PROCEDURES
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Stop the machine on a firm and level surface and lower the equip-
ment to the ground.
1.
Raise the undercarriage using boom and arm.
Carry out this operation shifting the control levers very slowly.
2. Gradually loosen the grease valve (1) to let the grease out;
do not give the valve more than one turn.
3. If the grease does not come out smoothly, move the machine
slowly forward and backward covering a short distance.
4. Introduce the steel tubes in the track, turn the sprocket as if
in reverse, so that the steel tubes move with the track and get
engaged with the idler roller; make the track slide sidewards
and remove it.
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