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6.7 Rotating arm
Left control lever (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 operat-
ing the levers.
This lever is used to operate the arm and upper structure.
Arm operation
(A) Arm OUT
(B) Arm IN
When the left control lever in this position, the upper structure
and the arm will be retained in the position in which they stop.
Right control lever (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 operat-
ing the levers.
This lever is used to operate the boom and bucket.
Boom operation
(1) Raise
(2) Lower
When the right control lever in this position, the boom and the
bucket will be retained in the position in which they stop.
For levers (3) and (4), the engine speed changes as follows
because of the auto-deceleration mechanism.
When the right 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.
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).
6-44
Swing operation
(C) Swing to right
(D) Swing to left
N (Neutral)
Bucket operation
(3) Dump
(4) Curl
N (Neutral)
Attachments, Options
Left
A
control lever
D
N
B
2
4
N
1
PW180-7E0 – VEAM400102
C
Right
control lever
3
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