Komatsu PC350LC-8, Operation & Maintenance Manual

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ATTACHMENTS AND OPTIONS
SUPER LONG FRONT BOOM AND ARM
6-51
LEFT WORK EQUIPMENT CONTROL LEVER (3)
(with auto-deceleration device)
WARNING
If any lever is operated when in the deceleration range, the
engine speed will suddenly increase, so be careful when
operating the levers.
This lever is used to operate the arm and upper structure.
When the lever in Neutral (N) position, the upper structure and the arm will be retained in the position in which they
stop.
RIGHT WORK EQUIPMENT CONTROL LEVER (4)
(with auto-deceleration device)
WARNING
If any lever is operated when in the deceleration range,
the engine speed will suddenly increase, so be careful
when operating the levers.
This lever is used to operate the boom and bucket.
When the lever in Neutral (N) position, the boom and the bucket will be retained in the position in which they stop.
NOTICE
q
For levers (2), (3) and (4), the engine speed changes as follows because of the auto-deceleration
mechanism.
q
When the travel lever and work equipment control levers are at neutral, even if the fuel control dial is
above the mid-range position, the engine speed will drop to a mid-range speed. If any of the levers are
operated, the engine speed will rise to the speed set by the fuel control dial.
q
If all control levers are set to neutral, the engine speed will drop by approx. 100 rpm, and after approx.
4 seconds, the engine speed will drop to the deceleration speed (approx. 1400 rpm).
AM089560A
Arm operation Swing operation
(A) Arm OUT (C) Swing to right
(B) Arm IN (D) Swing to left
N (Neutral)
AM089570A
Boom operation Bucket operation
(1) RAISE (3) DUMP
(2) LOWER (4) CURL
N (Neutral)