OPERATION
2 pc boom operation
G
WORKING MODE SELECTION
WORKING MODE
The mode selector switches can be used to switch the mode to
match the conditions and purpose of work, thereby enabling effi-
cient operation.
Use the following procedures to make the most effective use of
each mode.
When the starting switch is turned ON, the working mode is set to
general operation mode (G.O.), so normal work can be carried
out without needing to set the mode.
Set the most effective mode according to the type of work using
working mode selector switch.
Working mode
Heavy-duty operation
mode (H.O.)
General operation
mode (G.O.)
Finishing operation
mode (F.O.)
Lifting operation
mode (L.O.)
Breaker operation
mode(B.O.)
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Applicable work
Large amount of digging and
loading in a short time
Normal digging and loading
operation
Finishing, levelling and general
hauling operation
Positioning, etc.
Breaker operation
Bucket operation
H/O
G/O
F/O
H
M
Power max.
Power
8% up
35% up
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OPERATION
L/O
B/O
AD157770A
Swift slow-down
(speed down)
Speed
Approx. 6% down
Approx. 6% down
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