Operation
Safety, Operation and Maintenance Manual - Sep 2012
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SY115C9/135C/155H Crawler Hydraulic Excavator
4.10.1 Traveling downhill
Place the travel control levers to the neutral
position, which can make the brake function
automatically.
4.10.2 Engine stalls on an incline
If the engine stops while traveling on a slope,
place the travel control lever to its neutral po-
sition, lower the bucket to the ground and park
the machine before restarting the engine.
4.10.3 Cab door on an incline
●
If the engine stalls out on a slope, never
perform swinging operation with the left
joystick. The upper turntable will swing
naturally under its weight.
●
When your machine is on a slope, never
open or close the cab door, which can
change suddenly the force on machine.
Always keep the cab door in an opening or
closing position.
4.11 Removing Machine from Mud
Be careful with operation and avoid being
trapped in the mud. If your machine is trapped
in the mud, drive it out according to the follow-
ing method.
4.11.1 One track trapped
Note:
When the boom or arm is used to lift your ma-
chine, make sure that the bottom of bucket
contacts the ground. The boom and arm shall
form an angle between 90 and 110°.
This is also applicable to a reversely-mounted