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4.2.9 MAINTENANCE IN SPECIAL SITUATION
Operation condition
Maintenance
Work in mud
、
water or
rain
1
．
Inspect the loose and lost of connector
、
bolts and nuts,
obvious damage and leakage.
2
．
Clean mud
、
stone
、
sand grain on the machine, check the
damage
、
crack and loose of jointing after work.
3
．
Carry out everyday lubrication and maintenance.
4
．
Clean concerned parts with water after working in acid
rain or corrosive chemical materials.
Work beside the sea
1
．
Inspect all the screw plugs and make sure that all of
them have been screwed down.
2
．
Clean the machine carefully to remove all the salt on
machine and maintain the wiring frequently to prevent
possible cauterization.
In dusty or hot condition
1
．
More frequently clean the air filter core.
2
．
Wash the radiator and oil cooler cooling fin to remove
dust and dirt.
3
．
More frequently clean the fuel sucking filter and its
core.
4
．
Termly carry out clean maintenance, especially the
surface of the engine and generator.
Work in the stony ground
condition
1.
Carefully operate the machine. Check if the undercarriage
and track assembly are over damaged or worn.
2.
Check for the loosen
、
damaged and lost connector
、
bolts
and nuts.
3.
More frequently check the over damaged and worn bucket
and breaker.
4.
Install a top frame and front frame if necessary to prevent
damage caused by fallen subjects.
In cold weather
1.
Use high quality, low glutinosity oil, which fit the
environment temperature.
2.
Make sure to use the antifreeze, which fit the temperature.
3.
Charge the battery a little bit before the usual time. If the
battery is not completely charged, the electrolyte may be
frozen.
4.
Clean all the dirt on machine to prevent possible damage
caused by frozen dirt.
