TM 5-3740-214-14
AIR FILTER ASSEMBLY MAINTENANCE (Continued)
b. Inspect filter element.
NOTE
Clean the filter element after 50 hours of operation.
Replace the filter after 100 hours of operation.
(1)
Place a light in the center of filter element.
(2)
If the light can be seen through the element the element is ok.
(3)
If the light cannot be seen through the element, clean it or replace it as necessary.
Figure 4-89. Air Filter Cleaning
c.
Clean filter element. Blow air through the filter element from the inside out.
d. Install and reassemble air filter assembly.
(1)
Attach air filter bracket to and gasket to carburetor.
(2)
Attach air filter cover and filter element to bracket.
(3)
Tighten wing nut securely.
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