GMC PD-4103 Maintenance Manual page 146

Sec. 7
Page 138
GM COACH MAINTENANCE MANUAL
ELECTRICAL SPECIFICATIONS
BATTERY
(Service information on pages 115 and 116)
Make . . . . . • . . . . . . . . . . . . . . . . • . . • . • . Delco-Remy
Model . . . • . . . . . . . . . • . . . . . (1890297) 8D27WC3
Quantity . . . • . . . • . . . . Two, connected in parallel
Voltage . . • . . • . . . . . . • • . . • . . . . 12
Plates per Cell . . . . . . . . . . . . . . . . . • . . . . . . . . . 27
Ampere Hour (Each Battery) . . . . . . . . . . . . . . . 155
@
4 hour rate
Specific Gravity - Fully Charged
(<!!J
80°F.) . . . . . . . . • . . . . . • • • • 1.275-1.290
Recharge at . . . . • . • . . . • . . . . . . . . . . . • . . . • . • . . . • . . . • . • . . 1.225
STARTING SYSTEM
(Service information on pages 116 through 120)
STARTER
Make
Model
Rotation - Viewed at Drive End .
Brush Spring Tension
No-Load Test
Maximum Amps.
Volts . . . . .
Approximate rpm
Lock Test
Maximum Amps.
Volts • . • . • . .
Torque (Minimum)
Delco-Remy
1108807
Counterclockwise
36-40 oz.
115
11.6
7000
570
2.3
20 Lbs. Ft.
STARTER SOLENOID AND RELAY - Specifications are listed under "WIRING
AND MISCELLANEOUS ELECTRICAL'' on preceding page.
GENERATOR
(Service information on pages 121 through 125)
Make . . • . • .
Model
Rotation - Viewed at Drive End
Brush Spring Tension . . . . . . • . • •
Field Current at 12 Volts
(<8!
80°F.)
Delco-Remy
1117602
Counterclockwise
20 oz.
.• 6.0-6.85 amps.
COLD OUTPUT
Amperes
Volts
Approximate rpm
140
13
1450
HOT OUTPUT
Controlled by current regulator
REGULATOR
(Service information on pages 126 through 132)
Make
Model
Type .
MECHANICAL ADJUSTMENTS
Actuating Relay
(a} Air Gap Between Armature and Core (points just touching)
(b) Air Gap Between Armature and Heel Iron
(armature sealed against core)
( c) Point Opening . . • . . . • . . . • . . . . . . . • • • . .
Circuit Breaker Relay
(a) Air Gap Between Armature and Core (points just touching)
(b) Air Gap Between Armature and Heel Iron
(armature sealed against core)
(c) Point Opening . . . . . . . . . . . . . . . . . • . . . . . . . . . .
Delco-Remy
1118408
Carbon Pile
0.035"-0.042"
0.004"-0.011
11
0.024
11
-0.031
11
0.029" -0.036"
0.004"-0.0ll"
0. 038
11
-0. 052
II
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