TM 5-4310-451-14
3-6. PRIMARY AIR CLEANER ELEMENT CLEANING (Con’t).
b.
Cleaning with Compressed Air.
WARNING
Compressed air used for cleaning or drying purposes, or for clearing restrictions, should never
exceed 30 psi (207 kPa). Wear protective clothing (goggles/shield, gloves, etc.) and use caution to
avoid injury to personnel.
(1)
Direct compressed air through primary air cleaner filter element (2) in opposite direction of normal air
flow. Using air gun, move up and down while directing compressed air through filter element.
(2)
Using a light inside primary air cleaner filter element (2), visually inspect for tears or holes. If filter
element has tears or holes, or is contaminated with dry or greasy dirt or oil, it must be replaced. Notify your supervisor.
(3)
Clean air cleaner body (3) and dust collector (5) with rag (Item 35, Appendix E). Inspect air cleaner
body and dust collector for cracks, breaks, or dents. If damaged, notify your supervisor.
c.
Cleaning with Mild Detergent.
(1)
Direct water through primary air cleaner filter element (2) up and down pleats of filter element from
inside surface.
(2)
Using a light inside primary air cleaner filter element (2), visually inspect for tears and holes. If
primary air cleaner filter element has tears or holes, it must be replaced. Notify your supervisor.
(3)
Visually inspect primary air cleaner filter element (2) for dry or greasy dirt or oil. If filter elements are
contaminated with dry or greasy dirt or oil, agitate filter elements in solution of dishwashing compound (Item 13, Appendix
E) and water. Add 4 tbsp (10 g) of dishwashing compound to 1 gal. (4 1) of lukewarm water and mix well. After washing,
rinse thoroughly and carefully shake out excess water. Lay primary air cleaner filter element on side and allow to dry.
(4)
Using a light inside primary air cleaner filter element (2), visually inspect for tears and holes. If
primary air cleaner filter element has tears or holes, it must be replaced. Notify your supervisor.
(5)
Visually inspect primary air cleaner filter element (2) for dirt and oil. If primary air cleaner filter element
is still contaminated with dry or greasy dirt or oil, it must be replaced. Notify your supervisor.
(6)
Clean air cleaner body (3) with rag (Item 35, Appendix E). Inspect air cleaner body and dust collector
(5) for cracks, breaks, or dents. If damaged, notify your supervisor.
d.
Installation.
(1)
Install primary air cleaner filter element (2) in air cleaner body (3) with wingnut (1).
(2)
Reset air restrictor Indicator (4) by pressing down on top of it. Ensure that red indicator disappears.
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