SWDM240B OPERATION & MAINTENANCE MANUAL
7.10.11 Checking and Changing Air Filter
Note:
If air filter element is clogged by dust, that will reduce the air inlet quality and engine
performance, even worse scrap engine and shorten the service life. Thus, the maintenance for
filter element is very important, please don’t ignore that.
FIG. 7-10-4 Air Filter
Air filter is installed on the top of cab, filtering air with main filter element and safety filter
element.
1. Unscrew the end buckle of filter, and then pull out main filter element slowly,
don’t pull out the safety filter element again.
2. 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.
3. After dust blowing times for the main filter element is enough, please change
main filter element and safety filter element.
4. Reinstall filter element to correct place.