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FIGURE 4-l. Oil-Bath Intake Filter
3 MAINTENANCE. Maintenance methods differ for each type of air filter. Use
the appropriate method for the filter undergoing maintenance per the following
paragraphs.
Dry type filter elements can easily be damaged allowing harmful
particulates to pass. If in doubt about correct cleaning
procedures, replace the filter element.
3.1 Dry Type Filter.
Service the filter assembly as follows:
(a) Shut down compressor and tag controls.
(b) Remove top of filter assembly.
(c) Remove filter element and clean as prescribed by manufacturer or
replace.
(d) Reassemble filter element and top to filter assembly.
(e) Remove tag from controls.
3.2 Oil-Wetted Type Filter. Clean the filter assembly as follows:
(a) Shut down compressor and tag controls.
4-2
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