MAINTENANCE, LUBRICATION AND SERVICE
ENGINE AIR FILTER
3 Sand with 180/240 grit wet or dry
sand paper.
4 Thoroughly wash the area with
PPG DX-440, DX-436, DX-437 wax
and grease remover or equivalent,
and wipe dry.
5 Prime immediately with PPG
DEP-351 epoxy primer.
6 Reinstall the air cleaner canister.
7
Use Mack-approved replacement
elements and gaskets. Make sure
the new elements and gaskets are
not damaged. Be sure to use new
gaskets each time the element is
changed. Install the cover and,
depending upon cover conguration,
tighten as follows:
• Air cleaner with large wing nut in
center of cover; hand-tighten wing
nut.
• Air cleaner with three thumb
screws around outer edge of cover;
hand-tighten thumb screws.
• Air cleaner with retaining nuts
around outer edge of cover; tighten
retaining nuts between 11 – 14 Nm
(8 – 10 ft-lb).
NOTE
DO NOT attempt to clean the air lter
element with compressed air, as this could
damage the lter media and possibly
result in severe engine damage.
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X Publication_PC28
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