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Maintenance
Safety, Operation and Maintenance Manual - Aug 2012
5-53
SY115C9/135C/155H Crawler Hydraulic Excavator
When the air conditioner will not be used for a long period of time, the air conditioner
shall be operated for 3-4 minutes each month in order to lubricate the compressor com-
ponents.
Components
Description
Service Interval
Refrigerant (gas)
Re
fi
lling
Twice a year (spring and au-
tumn)
Tube connections and internal leakage of parts
and components
Daily
Condenser
Radiator
fi
ns plugged
Every 500 hours
Compressor
Function
Every 4000 hours
V-belt
Loose and bent
Every 250 hours
Deterioration, wear, scratch and cracking
Every 250 hours
Noise, odor smell or abnormal heat
When required
Fan motor and fan
Function (check for abnormal noise)
When required
Air conditioner air
fl
ow switch
Air
fl
ow control switch and switching function
Daily
Control unit
Function (make sure the function is normal)
When required
Joining bolts
Loose connections and loose or detached nuts
and bolts
Every 6 months
Connection tubes
Installation condition, loose connections, air
leakage or any damage
When required
R e s e r v o i r d r y e r
temperature differ-
ence
Temperature difference indicates a blocked
dryer.
Every year
Table 5-11
Содержание SY115C9
Страница 109: ...System Functions Safety Operation and Maintenance Manual Aug 2012 3 4 SY115C9 135C 155H Crawler Hydraulic Excavator ...
Страница 193: ...Operation Safety Operation and Maintenance Manual Sep 2012 4 4 SY115C9 135C 155H Crawler Hydraulic Excavator ...
Страница 263: ...Maintenance Safety Operation and Maintenance Manual Aug 2012 5 4 SY115C9 135C 155H Crawler Hydraulic Excavator ...
Страница 403: ...Specifications SY115C9 135C 155H Crawler Hydraulic Excavator 7 2 Safety Operation and Maintenance Manual Aug 2012 ...