SWDM40 OPERATION & MAINTENANCE MANUAL
1. Air filter is installed on the top of cab, filtering air with main filter element and safety
filter element.
2. Unscrew the end buckle of filter, and then pull out main filter element slowly, don’t
pull out the safety filter element again.
3. Check main filter element for breakage, if it’s complete, normally, blow dust for the
new filter element for 3 to 5 times. (determine according to working condition and
environment). Blow the filter element with low-pressure compressed air from inner to
outer, or remove the dust in the filter element by shaking or slapping lightly to avoid
the damage.
4. After dust blowing times for the main filter element is enough, please change main
filter element and safety filter element.
5. Reinstall filter element to correct place.
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