Komatsu WA600-8 Operation & Maintenance Manual page 288

Wheel loader
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MACHINE OPERATIONS AND CONTROLS
Boom control lever (3) is used to control the boom.
Operate boom control lever (3) back and forth.
(a) "RAISE" position
When the RAISE remote boom positioner is set, if
the boom control lever is pulled further from
"RAISE" position (a), boom control lever (3) stops
at "detent" position (e), the boom stops at the set
position of the RAISE remote boom positioner,
and boom control lever (3) returns to "HOLD" po-
sition (b) at the same time.
When the RAISE remote boom positioner is not
set, if boom control lever (3) is pulled further from
"RAISE" position (a), boom control lever (3) stops
at "detent" position (e), the boom stops at the
highest position, and boom control lever (3) re-
turns to "HOLD" position (b) at the same time.
(b) "HOLD" position
The boom remains in the position where it was stop-
ped.
(c) "LOWER" position
(d) "FLOAT" position
The boom moves freely under external force.
When the LOWER remote boom positioner is set, if boom control lever (3) is set to "FLOAT" posi-
tion (d), the boom stops at set position of the LOWER remote boom positioner, and boom control
lever (3) returns to "HOLD" position (b) at the same time.
When the LOWER remote boom positioner is not set, if boom control lever (3) is set to "FLOAT"
position (d), boom control lever (3) stays at "FLOAT" position (d).
REMARK
When the engine is stopped or the work equipment is locked, the boom control lever does not stop at
"detent" position.
Bucket control lever (4) is used to operate the bucket.
Operate bucket control lever (4) back and forth.
(a) "TILT" position
If bucket control lever (4) is pulled further from "TILT"
position (a), it stops at "detent" position (d).
It stops at the set position of the remote bucket posi-
tioner and bucket control lever (4) returns to "HOLD"
position (b) at the same time.
(b) "HOLD" position
The bucket remains in the position where it was stop-
ped.
(c) "DUMP" position
REMARK
When the engine is stopped or the work equipment is
locked, the bucket control lever does not stop at "de-
tent" position (d).
When the bucket is tilt side than level, the bucket con-
trol lever does not stop at "detent" position (d).
3-220
OPERATION

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