C3 TM 9-2320-211-20
(2) Drive belt tension adjustment -- gasoline engine.
(a) Check compressor drive belt tension by
applying pressure to belt at a point midway between the
compressor pulley and the crankshaft pulley. Belt
deflection at this point should be one-half inch. If belt
deflection is found to be more or less than one-half inch,
adjust belt tension as described in (b) below.
(b) Loosen two screws on front flange of
compressor drive pulley. Using a wrench, turn flange in or
out on threaded hub until correct belt tension described in
(a) above is obtained. Tighten two screws on front flange
of compressor drive pulley.
c. Servicing (all models).
NOTE
Servicing the air compressor consists of
cleaning and oiling the curled hair pad inside
air strainer 7539372 (fig. 2-191). Air
compressor air strainer MS53005-1 (fig.
replaced as a unit.
(1) Loosen clamp screw at underside of air strainer,
and remove hose from strainer intake (fig. 2-191).
(2) Remove two capscrews and washers securing
strainer (fig. 2-191) to right side of air compressor, and
lockwashers securing cover to air strainer body, and
remove strainer from compressor. Remove and discard
remove cover from the body. Remove and discard cover
air inlet gasket (fig. 2-191).
gasket.
hair from air strainer body. Wash curled hair thoroughly
in drycleaning solvent or mineral spirits paint thinner.
(5) Saturate curled hair with engine oil, squeeze out
excess oil, and place hair in the strainer body.
(6) Install strainer-baffle in strainer body with screen
side of baffle next to curled hair.
(7) Position new cover gasket and cover on bottom
of air strainer body, and install four screws and
lockwashers in holes in cover and body. Tighten screws.
gasket (fig. 2-191) on right side of air compressor. Install
two screws, washers, and gaskets in holes of air strainer
body and air compressor block. Tighten screws.
(9) Slide hose onto intake sleeve at underside of air
strainer, and tighten clamp screw.
d. Removal.
(1) Air compressor (air cooled) -- gasoline engine.
(a) Unscrew connector securing air compressor-
to-air reservoir line (fig. 2-192) to top rear of air
compressor cylinder head, and remove line from head.
(b) Unscrew connector securing air-compressor-
to-governor lines (fig. 2-192) to top front of air
compressor cylinder head, and remove line from head.
(c) Remove four hexagon nuts and lockwashers
compressor mounting bracket at lower right side of
engine crankcase, and remove compressor drive belt from
the pulley.
