Komatsu SK820-5 turbo, Operation & Maintenance Manual

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USING THE WORK EQUIPMENT
136
3.13.6.1 RELEASING THE BUCKET
1 - Lower the arm completely and rest the bucket on to the
ground in horizontal position.
2 - Stop the engine, release the residual pressures and lock
the safety bars.
3 - Rotate the lever (1) to the left to release the coupling pins
(2).
4 - Start the machine again and move gradually in reverse, at
the same time rotating the tool-holder plate (3) completely
forward until releasing it from the upper seat on the bucket
(4).
3.13.6.2 COUPLING THE BUCKET
1 - Make sure that the lever (1) is rotated completely to the
left and that the coupling pins (2) have moved completely
backward.
2 - Incline the tool-holder (3) forward and gradually approach
the bucket (4) until centering its upper lip with the edge of
the tool-holder cross member.
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