(11) Remove the key (16) from the shaft.
(2) Blow out the filter element, using
compressed air, dip in oil of the
b. Cleaning, Inspection, and Repair.
recommended viscosity, and drain excess
(1) Clean all metal parts with an approved
oil from the filter element.
cleaning solvent.
(3) Inspect the reservoir bowl, center locking
(2) Clean off all dirt and grit on the belts.
coil, and the cover for dents, defective
(3) Dry all parts thoroughly, and be sure that
threads, or wear. Replace the unit if
all oil and grease is completely removed.
necessary.
(4) Inspect the belt guard for dents or tears.
c. Reassembly and Installation.
Straighten out any dents, twists, or bends;
(1) Screw the reservoir bowl (9) into the
replace if severely damaged. Be sure the
muffler adapter (8).
belt guard does not rub against the
(2) Position the filter element (1) and cover
pulleys or drive belts.
(2) on the bowl; secure the unit by
(5) Inspect the drive belts for cuts, frays, or
tightening the wingnut (3).
excessive wear. Replace the belts if
132. Belt Guard, Belts, and Pulleys
necessary.
a. Removal.
(6) Inspect the drive pulley and the flywheel
(1) Remove the three cap screws (4, fig. 33)
pulley for cracks or burs. Replace a
and lockwashers (3), two at the cylinder
defective pulley.
head (6), and one at the crankcase (17),
(7) Replace the cotter pin.
which secure the belt guard (1) to the
c. Installation.
compressor.
(1) Position the key (16) in the clutch drive
(2) Remove the screw (2) which secures the
shaft end.
belt guard to the engine.
(2) Install the drive pulley (15) on the drive
(3) Remove the screw (7, fig. 8) which
shaft, and tighten the two screws (4, fig.
secures the belt guard bracket (4) on the
engine side to the engine mounting base
(3) Position the key in the compressor
(12).
crankshaft end.
(4) Remove the belt guard by lifting it up and
(4) Slide the flywheel (7, fig. 34) into place on
away from the unit on the compressor
the compressor crankshaft.
side.
(5) Tighten down the castellated nut (8) on
(5) Loosen the four engine mounting nuts (8,
the flywheel, alining one of the slots in the
fig. 17), and slide the engine toward the
nut with the hole in the crankshaft.
compressor, until the drive belts (1, fig.
(6) Install the cotter pin into the slot and hole,
34) are loose.
and bend the ends in opposite directions.
(6) Remove the three drive belts from the
(7) Install the three drive belts (1) on the
drive pulley (15) and the flywheel pulley
drive pulley (15) and on the flywheel
(7).
pulley (7).
(7) Remove the cotter pin from the
(8) Slide the engine away from the
castellated nut (8), and remove the nut
compressor to obtain proper belt tension.
from the flywheel pulley (7).
Proper tension is indicated when belt can
(8) Slide the flywheel from the keyed shaft,
be depressed approximately 1/2 to 3/4
using a pry bar or puller as necessary.
inch.
(9) Remove the key from the shaft.
(9) When belt tension adjustment has been
(10) Remove two screws (4, fig. 30) from the
made, check alinement of drive pulley
drive pulley (15, fig. 34), and slide the
and flywheel pulley.
drive pulley from the keyed engine shaft.
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