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INSTRUMENT CLUSTER REMOVAL AND DISASSEMBLY.
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TM-10-3930-622-14 Truck Fork Lift; Gasoline Engine Driven; Pneumatic Tires; 6000-lb Capacity; 173-In. Lift Manual
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DISTRIBUTOR.
(3) Commutator end bearing. Inspect bearing for wear.
Place  armature  in  soft-jawed  vise  and  mount
g. Specifications.
commutator end frame head on armature shaft. Shake
commutator end frame. Side movement indicates worn
Make ....................................................... Delco-Remy
bearing or worn armature shaft. Inspect to locate worn
Model ............................................................1102221
part. Replace defective bearing as authorized.
Rated volts ..............................................................12
Type ........................................................... Circuit "A"
(4) Brushes. Inspect brushes for excessive wear
Rotation ...................................Clockwise at drive end
(beyond one-half the length of a new brush), and loose
Control.......... Vibrating-type current-voltage regulator
or frayed brush leads. Replace defective brushes with
Ground polarity
Negative Brush spring tension
new ones. Sand new brushes with No. 00 sandpaper.
28 oz Field current (80 deg F)
Hold sandpaper against commutator, grit side against
1.62 + 1.82 amps
brush, and pull sandpaper so that the brush is drawn to
@12 volts
the brush arm.  As brush is sanded, it assumes the
Cold output Amps....................................................20
contour of commutator.
Volts .....................................................................14.0
Rpm.....................................................................1625
(5) Springs.  Inspect springs for wear, rust or
corrosion, loss of tension, and evidence of overheating.
6-54. STARTER.
Springs should hold brushes against commutator with 28
ounces pressure. Replace defective springs with new
a. Removal.
ones.
(1) Disconnect battery cable first at battery, then
(6) Field frame.
at starter terminal.  Disconnect starter switch lead at
solenoid terminal.
(a) Using a test light, check field frame, field coils,
and terminal studs for ground. Hold one test probe on
(2) Remove three nuts and washers securing
the terminal stud and the other test probe on the field
starter to engine and remove starter.
frame. If lamp lights a ground is present. To locate the
ground, remove terminal stud and field coil lead from
b. Disassembly.
frame. Place one test probe on terminal stud and other
test probe on field frame. If lamp fails to light, ground is
(1) Remove nut and two washers from solenoid
between terminal stud and field frame.  If lamp does
coil terminal.
Remove cover and stud assembly
light, ground is between field coils and pole shoes on
attaching screws and remove cover and stud assembly.
field frame.
Disconnect contact lead from switch.
(b) Using same test light, test field coils for open
(2) Remove through bolts, draw brush end frame
circuit by placing one test probe on each of the leads
back, lift insulated brushes from holders, and remove
coming from the field coils. If lamp lights, no open circuit
brush end frame. Remove insulated brush set from field
is present.  If lamp does not light, an open circuit is
windings in housing, and grounded brushes from plate in
present.
brush end frame.
(c) Replace defective items as authorized.
(3) Remove drive end frame. Take washers and
retaining ring from armature shaft, and remove pinion
e. Assembly. Reverse procedures in b. above.
stop, clutch and assembled parts shown, moving core
and solenoid parts from armature.
f.  Final Testing.  Mount assembled generator on
generator-regulator tester, Federal Stock Number 4910-
(4) Remove armature from housing.
509-1514 or equal, and check generator thoroughly for
noise, output, and arcing.  Be certain the generator
c. Cleaning. Use compressed air or clean cloths to
meets all test specifications.
remove all dirt from components before inspection
.
87

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