System Functions
Safety, Operation and Maintenance Manual - Aug 2012
3-38
SY115C9/135C/155H Crawler Hydraulic Excavator
3.4.2.10
Preheat switch (only for SY135C8M)
This is engine preheat switch, which will be
used together with the preheat start switch.
●
Pressing the preheat switch (6) and turning
the key counterclockwise to HEAT position,
the engine will start to preheating.
●
Maintaining the key in this position, the en-
gine keeps preheating.
●
After releasing the key, the key will return
to OFF position (A) automatically and the
engine will stop preheating.
3.4.2.11 Alternator indicator
The alternator indicator is illuminated when the
start switch is energized; the indicator goes off
while the engine is running and the alternator
is working regularly; check the generator for
any fault if the indicator is on all the time.
Fig. 3-47
Fig. 3-48
CZ335-1103051
Alternator indicator
CZ135B-1103008
Preheat switch