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Page Title:
ENGINE FAN AND GENERATOR DRIVE BELTS AND AIR COMPRESSOR DRIVE BELT |
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 a. Removal.
f. Installation. Install generator pulley (Z)
as follows. Install Woodruff key (Y) in shaft of
(1) Removal of the generator mounting
generator assembly (FF). Use a soft-faced
bracket (S) was performed during en-
hammer to drive the generator pulley (Z) onto
gine disassembly (par. 125). The adjust-
the armature shaft. Install 1/2- inch flat washer
ing strap (V) was removed during re-
(CC). Install and tighten 1/2-inch self-locking
moval of water pump (par. 128).
nut (BB) to secure generator pulley to the arm-
ature shaft.
(2) Remove the generator pulley (Z) as
follows. Remove 1/2- inch self-locking
nut (BB) and 1/2-inch flat washer (CC)
securing the generator pulley (Z) to
Note. The key letters shown below in paren-
the armature shaft. Using a universal
theese refer to figure 446 except where other-
puller or an arbor press, remove the
wise indicated.
generator pulley from the shaft. Tape
Woodruff key (Y) on shaft of generator
a. Cleaning and Inspection.
assembly (FF).
(1) Cleaning. Clean engine fan (J) as di-
b. Disassembly. There is no further dis-
rected in paragraph 152c.
assembly of these components. Refer to TM 9-
2920-214-35 for overhaul procedures for the
(2) Inspection. Inspect engine fan (J) for
Delco- Remy generator. Refer to TM 9-2920-
nicks, cracks, and damage. Check to
209-35 for the overhaul procedures for the
be sure all rivets and fan blades are
Autolite generator.
secure and fan blades are not bent.
c. Cleaning and Inspection.
b. Repair. Minor nicks on the engine fan
(J) can be repaired with a fine mill file. Minor
(1) Cleaning. Clean generator mounting
straightening of the fan blades is permissible
bracket (S), adjusting strap (V), and
and is a matter of good judgment. Replace the
pulley (Z) as directed in paragraph
engine fan if a crack is evident or if the rivets
are loose.
(2) Inspection. Inspect generator mounting
BELTS AND AIR COMPRESSOR DRIVE
bracket (S) and adjusting strap (V) for
BELT
breaks and distorted bolt holes Check
mating surfaces for raised metal and
Note. The key letters shown below in paren-
for straightnness using a straight edge.
theses refer to figure 446 except where other-
Inspect generator pulley (Z) for breaks
wise indicated.
and damage. Check the belt surface for
nicks, wear, and damage. Check key-
a. Cleaning and Inspection.
way for galling due to looseness.
d. Repair. Remove raised metal from mating
(1) Cleaning. Clean engine fan and genera-
surfaces of generator mounting bracket (S) with
tor drive belts (M) and air compressor
a fine mill file. Replace the generator mounting
drive belt (G, fig. 445) with soap and
bracket or adjusting strap (V) if either part is
water.
broken or damaged beyond repair. Repair minor
damage to the belt surface of the generator
(2) Inspection. Check engine fan and genera-
pulley (Z) with a fine mill file or crocus cloth
tor drive belts (M) and air compressor
dipped in dry-cleaning solvent or mineral
drive belt (G, fig. 445) for deep checks,
spirits paint thinner.
breaks, and hard glazed wear surfaces.
b. Repair. Replace both engine fan and gen-
e. Assembly. These are single item com-
erator belts (M) or the air compressor
ponents and require no assembly.
drive belt (G, fig. 445) when either is defective.
285
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