215916 381 Revision A
Figure 5.66: Fresh Air Filter Door
3. Rotate latch (A) counterclockwise to remove fresh air
filter door (B).
Figure 5.67: Fresh Air Intake Filter
4. Turn knob (A) counterclockwise, and remove it.
5. Remove air filter retainer (B).
6. Remove air filter (C).
Inspecting and Cleaning Fresh Air Intake Filter Element
1. Tap the sides of the filter element gently to loosen dirt. Do NOT tap the element against a hard surface.
2. Using a dry element cleaner gun, clean the element with compressed air.
IMPORTANT:
Air pressure must NOT exceed 414 kPa (60 psi). Do NOT direct air against the outside of the element, as dirt might be
forced through to the inside.
3. Hold the air nozzle next to the filter element’s inner surface, and move up and down the pleats.
4. Repeat the previous steps to remove additional dirt as required.
5. Hold a bright light inside the element and check carefully for holes. Discard any element that shows the slightest hole.
6. Check the outer screen for dents. Vibration would quickly wear a hole in the filter.
7. Check the filter gasket for cracks, tears, or other signs of damage. If the gasket is damaged or missing, replace the
element.
MAINTENANCE AND SERVICING
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