Komatsu PC138US-11 - Handle Working Mode

MACHINE OPERATIONS AND CONTROLS
OPERATION
3-176
WENAM00111
REMARK
This machine is equipped with an accumulator in the control circuit. Even if the engine is stopped, if the starting
switch key is turned to ON position within 15 seconds after stopping the engine, and the lock lever is set to
FREE position, it is possible to use the lever operation to lower the work equipment to the ground.
This procedure can also be used for releasing the remaining pressure in the hydraulic cylinder circuits or for
lowering the boom after loading the machine onto a trailer.
HANDLE WORKING MODE
METHOD FOR SELECTING WORKING MODE
Use working mode selector switch (1) to select the working
mode that matches the operating conditions or purpose. This
will make it possible to perform operations efficiently.
Use the following procedure to select the most efficient working
mode.
When the starting switch is turned on, the working mode is set
to the mode that was in operation when the starting switch was
last turned off.
Use the working mode selector switch to set the mode to the
most efficient mode to match the type of work.
NOTICE
Do not perform breaker operations in any mode other than the breaker mode. Otherwise, the breakage
of hydraulic component will occur.
1.
Press working mode selector switch (1).
The screen changes to “Working Mode” screen.
Working mode
Applicable operations
P mode
Normal digging or loading operations
(production conscious operation)
E Mode
Normal digging or loading operations
(fuel consumption conscious operation)
L mode
Positioning operations (fine control opera-
tions)
B mode
Breaker operation
ATT/P mode
Operations of 2-way attachment such as
crusher, etc.
(production conscious operation)
ATT/E mode
Operations of 2-way attachment such as
crusher, etc.
(fuel consumption conscious operation)