Komatsu PC450-8 Operation & Maintenance Manual page 329

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MAINTENANCE
Cleaning Fresh Air Filter
1. Use the starting switch key to open cover (2) at the rear left
of the operator's cab, then open cover (2) by hand and
remove filter (3) inside the cover.
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.
3. After cleaning, return filter (3) to its original position and
close the cover. Use the starting switch key to lock the
cover. Do not forget to remove the starting switch key.
REMARK
The FRESH filter must be installed facing in the correct direc-
tion. When installing, insert the long (L) end of filter (3) into the
filter case first. If the short (S) end is installed first, cover (2)
will not close.
MAINTENANCE PROCEDURE
4-63

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