Safety
Safety, Operation and Maintenance Manual - Sep 20122-42
SY115C9/135C/155H Crawler Hydraulic Excavator
and all readings are within normal working
range.
2.4.2 Operation
2.4.2.1 Inspection before operation
●
When conducting inspection, move the
machine to a spacious area without barri-
ers and operate slowly. Any other person is
not allowed to approach the machine.
●
Be sure to buckle the seat belt.
●
Check the gauges and machine operation
for abnormality; check the bucket, arm,
boom, travel system, swivel system and
steering system for abnormal operation.
●
Check for abnormal noise, vibration, heat-
ing, odor or gauge reading; check oil or
fuel for leakage.
●
When the travel control level is in neutral
position, test the engine's speed control
device; operate each control lever and
confi rm they work properly. Understand the
control mode of work equipment.
●
In case of any abnormality, stop operation
and take corrective measures immediately.
2.4.2.2 Prior-operation precautions
To prevent serious injury or death, follow the
items below before moving the machine.
●
It is dangerous to stay in the working range
during machine operation. Sound the horn
to warn people within the working range
before operating your machine.
●
Nobody is allowed to stay on and near the
machine, or within the working range.
●
To improve the visibility in the travel direc-
tion, you may turn the cab if necessary.
●
Assign a signalman at where visibility is
poor.
CZ335-1102030
Fig. 2-51
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