System Functions
Safety, Operation and Maintenance Manual - Aug 2012
3-33
SY115C9/135C/155H Crawler Hydraulic Excavator
3.4.2.2 Fuel control dial
Fuel control dial is used to adjust engine
speed and output power. Turn the dial clock-
wise to increase engine speed; turn it counter-
clockwise to decrease engine speed.
(a) - Low Idle (MIN): Turn it counterclockwise
to MIN position.
(b) - Full Speed (MAX): Turn it clockwise to
MAX position.
3.4.2.3 Work lamp switch
The switch is used to turn on or turn off the
work lamp.
(
a
)
(
b
)
CZ335-1103038
An exposed harness or loose plugging of
harness could cause short circuit between
power supply positive wire and work lamp
internal grounding wire during excavator
operation, which may burn the work lamp
or the entire chassis harnesses, or cause
personal injury or death.
WARNING
1. Work lamp locations
a. One(1) work lamp on the chassis
CZ335-1103041
Fig. 3-32
Fig. 3-33
Fig. 3-34
CZ335-1103039
Work Lamp Switch