Maintenance
Safety, Operation and Maintenance Manual - Aug 2012
5-54
SY115C9/135C/155H Crawler Hydraulic Excavator
5.8.2.10 Gas spring - inspect
The air springs are located on top of the cab (at
both the left and right sides).
Contact your Sany distributor for inspection,
repair and replacement in case of the following
conditions.
●
The cab roof hatch cannot be opened eas-
ily.
●
The cab roof hatch cannot be kept open.
●
Oil or air leaks from the air spring.
The Gas Spring contains high-pressurized
nitrogen. Wrong operation can cause ex-
plosion and result in machine damage and
personal injury or death. The following
items shall be observed when dealing with
the Gas Spring.
●
Be away from naked
fi
re.
●
Never drill or weld the Gas Spring.
●
Never hammer the Gas Spring or ex-
pose it under any impact.
Always prepare your machine as required
and lock/tag it out before proceeding.
See
“Preparing the machine” on page 2-58 and
“Lock-out and tag-out” on page 2-60.
CZ335-1104036
WARNING
Fig. 5-46