REMARK
When removing the condenser, take care that the fitting of the air conditioner hose is broken or the air con-
ditioner hose is not kinked.
METHOD FOR CLEANING AIR CONDITIONER FRESH/RECIRC FILTERS
WARNING
When using compressed air, there is a danger that dirt may scatter and cause personal injury. Always
wear protective equipment such as protective eyeglasses and dust mask.
NOTICE
The cleaning interval of 500 hours is a rough standard. Clean at shorter intervals in dusty jobsites.
REMARK
If the element becomes clogged, the air flow will be reduced, and there will be a rumbling sound from the air
conditioner unit.
METHOD FOR CLEANING RECIRCULATION AIR FILTER
1.
Remove wing bolts (1) from the inspection window at the
bottom rear left inside the operator's cab.
2.
Take out the recirculation air filter.
3.
Clean the filter with compressed air.
If there is oil on the filter, or if the filter is extremely dirty,
wash it in a neutral detergent. After rinsing it in water, dry it
thoroughly before using it again.
Replace the filter with a new one every year. If the clog-
ging of the filter cannot be removed by blowing with air or
washing in water, replace the filter immediately.
REMARK
• The recirculation air filter must be installed in the correct direction.
• Install the filter so that protrusion (A) of filter (2) matches the groove of holder (3).
4.
Install the recirculation air filter.
METHOD FOR CLEANING FRESH AIR FILTER
1.
Unlock cover (4) at the rear left of the operator's cab with the starting switch key.
2.
While holding cover (4) open, remove filter (5) inside it.
MAINTENANCE MAINTENANCE PROCEDURE
4-55
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