System Functions
Safety, Operation and Maintenance Manual - Aug 2012 3-37
SY115C9/135C/155H Crawler Hydraulic Excavator
3.4.2.7 Horn switch
The horn switch is located on top of right joy-
stick. Press the switch to sound the horn.
Depress the switch to keep the horn hooting.
3.4.2.8 Cab lamp
The cab lamp is mounted inside the cab. Tog-
gle the cab lamp switch to turn on/ off the cab
lamp.
(a) - ON
(b) - OFF
Note:
The cab lamp can be switched on even if the
start switch is in the OFF position.
3.4.2.9 Cigar lighter
The cigar lighter is used to light a cigarette.
Pushing in the lighter, it returns to its original
position after a few seconds. Pull it out to light
a cigarette.
The socket of cigar lighter can be used as a
power source for devices rated not more than
240 W (24V×10A).
Note:
The cigar lighter is 24V.
（
a
）
（
b
）
CZ335-1103049
Cab lamp
CZ335S-1103034
Horn switch
CZ335-1103050
Fig. 3-44
Fig. 3-45
Fig. 3-46
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