Komatsu PC15MRX-1 Operation And Maintenance Manual page 67

OPERATION
FUEL CONTROL LEVER
This lever (4) is used to control the engine speed and output.
(a) Low idling : Push the lever fully.
(b) High idling : Pull the lever fully.
BLADE CONTROL/VARIABLE GAUGE LEVER
NOTICE
This lever is not locked even when the safety lock lever is set to the LOCK position, so be careful not
to touch the blade control lever if blade operations are not being carried out.
If the blade is used continuously for more than one hour for digging operations, the water temperature
will rise.
Before starting operations, check the setting of the variable gauge/blade selector control lever.
This lever (5) is used to operate the blade and the variable
gauge.
Direction of operation of control lever
Blade operation
Variable gauge operation
(a) (b)
LOWER RAISE
CLOSE OPEN
EXPLANATION OF COMPONENTS
3-13