Clean Internal And External Air Filters Of Air Conditioner System; Cleaning Recirculated Air Filter - Komatsu PW180-7E0 Operation & Maintenance Manual

Wheeled excavator
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Maintenance

Clean internal and external air filters of air conditioner system

WARNING
If compressed air, high-pressure water, or steam hit your body
directly, or they cause dirt or dust to be blown up, there is danger
of serious injury. Use safety glasses, dust mask, or other protec-
tive equipment.
NOTE
The interval for cleaning the filter is 500 hours, but if the machine
is used on an extremely dusty job site, reduce the maintenance
interval and clean the filter more frequently.
REMARK
If the filter is clogged, the air flow is reduced and a muffled
sound can be heard from the air conditioner 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 filter,
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.
If the clogging of the filter cannot be removed by blowing
with air or washing in water, replace the filter with a new part
every year.
PW180-7E0 – VEAM400102
4.11 Maintenance procedure
Every 500 hours service
1
GK018446
4-81

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