8. Lock washer
9. Restriction indicator
Assembled washer screw
10. Hose clamp
Air cleaner clamp
Air cleaner assembly
Figure 4-4. Air cleaner and piping, exploded view.
lightly with dry cleaning solvent (fed. spec. P-D-680) dry
(2) Service the air cleaner as directed in
(2) Inspect the air cleaner piping for cracks or
b.Cleaning and Inspection.
holes which could allow unfiltered air to enter the
engine; replace any damaged parts.
(3) Inspect the air cleaner for dents, cracks, and
Clean all parts in a well-ventilated
leakage; replace the air cleaner if the housing is
(4) Inspect the air cleaner mounting parts for
Avoid inhalation of solvent fumes
cracks, distortion, and other damage; replace damaged
and prolonged exposure of skin to
c.Installation. Installation of the air cleaner and
solvent (fed. spec. P-D-680) used to
piping is the reverse of removal and disassembly. Refer
clean parts is potentially dangerous
to figure 4-4.
to personnel and property. Do not
use near open flame or excessive
4-18. Muffler and Piping
heat. Flash point of solvent is 1000
Disassemble the muffler and
to 138 o F (38 ° to 59 Q C).
related parts from the engine by following the sequence
indicated in figure 4-5.
(1) Clean the exterior of the air cleaner and the
air cleaning piping by wiping with a cloth dampened