TM 5-4310-376-14
SERVICING - Continued
3-6.
c. Engine Air Cleaner
(1) Air cleaner foam pre-cleaner should be serviced every
25 hours of operation.
Service more often if necessary.
(a) Remove wing nut (1) and cover (2).
(b) Remove foam pre-cleaner (3) by sliding it off
of paper cartridge.
Dry cleaning solvent P-D-680 (safety or Stoddard's Sol-
vent) is potentially dangerous. Avoid repeated and pro-
longed breathing of vapors and skin contact with the
liquid. Do not use near open flame, arcing equipment or
other ignition sources. Always wear eye protection and
protective clothing. The flash point of P-D-680 is 100
to 138F (30 to 59C).
(c) Wash foam pre-cleaner in solvent or liquid detergent and water.
(d) Saturate foam pre-cleaner with engine oil and squeeze to remove excess oil.
(e) Install foam pre-cleaner and cover. Install with wing nut.
(2) Air cleaner cartridge should be cleaned every 100 hours.
(a) Remove wing nut (1) and cover (2).
(b) Remove foam pre-cleaner (3).
(c) Remove wing nut. (4) and cup (5).
(d) Clean cartridge (6) by tapping (top and bottom gently on flat surface).
(e) If very dirty, replace cartridge, or wash in low or non-sudsing detergent and warm
water solution. Rinse thoroughly with flowing water from inside out until water is
clear. Cartridge must be allowed to stand and air dry thoroughly before using.
3-8
