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MAINTENANCE PROCEDURE
CLEAN AIR CONDITIONER FRESH/RECIRC FILTERS
If compressed air scattered around dust and debris, there is danger of injury. Always wear protective
equipment such as protective glasses and mask.
NOTICE
As a guideline, the filters should be cleaned every 500 hours, but on dusty job sites, clean the filters more
frequently.
REMARK
If the filter becomes clogged, the air flow will be reduced, and there will be an abnormal noise from the air condi-
tioner unit.
Cleaning Recirculated Air Filter
1. Remove wing bolts (1) from the inspection window at the
bottom rear left on the inside of the operator's cab, then
take out the recirculated air filter.
2. Clean the filter with compressed air. If there is oil on the fil-
ter, or if the filter is extremely dirty, wash it in a neutral
agent. After rinsing it in water, dry it thoroughly before
using it again.
Replace the filter with a new part every year. If the clog-
ging of the filter cannot be removed by blowing with air or
washing in water, replace the filter immediately.
q
The RECIRC filter must be installed facing in the cor-
rect direction. Install it so that the projecting part faces
the front of the machine.
4-62
WARNING
MAINTENANCE
4
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