Komatsu WA500-6H, Operation & Maintenance Manual

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Operation 3.2 Explanation of components
WA500-6H – VEAM430100
3-71
5. Bucket control lever
This lever (5) operates the bucket.
Position (a): TILT
When the lever is pulled further from the TILT position, the lever
stays at that position (detent position), and returns to the HOLD
position when the bucket reaches the position set for the bucket
positioner.
Position (b): HOLD
The bucket is kept in the same position.
Position (c): DUMP
REMARK
If the engine is stopped or the work equipment lock lever is at
the LOCK position, the lever does not stop at the detent position.
In addition, if the bucket is operated towards the tilt position from
near the horizontal position, the lever also does not stop at the
detent position.
6. Lift arm control lever
This lever (6) is used to operate the lift arm.
Position (a): RAISE
When the lever is pulled further from the RAISE position, the
lever stops in this position (detent position). When the lift arm
reaches the maximum height, the lever returns to the HOLD
position.
Position (b): HOLD
The lift arm is kept in the same position.
Position (c): LOWER
Position (d): FLOAT
The lift arm moves freely under external force.
REMARK
If the engine is stopped or the work equipment lock lever is at
the LOCK position, the lever does not stop at the detent position.
For details of the method of operation when using the remote
position, see "Remote positioner (3-126)".
GK050080
a
b
c
GK032144
Tilt
Dump
GK050081
a
b
c
d
GK032142
Raise
Lower