Service manual

ALTERNATOR (Cont’d)
Disassembly
(Motorola or Prestolite 30 Amp., Enclosed)
Disassemble the alternator as shown in Fig. [A].
Remove the regulator cover and regulator.
Remove the four bolts holding halves together.
Pry the halves apart.
Use a soft jaw vise to hold rotor while removing pulley nut.
Remove front case half from the rotor using a plastic
hammer.
Unsolder the stator leads from the rectifier. Remove the
stator.
Stator Continuity Test
Use an ohmmeter to test the stator.
Touch the probes to two of the bare stator wires [B].
Move one of the probes to the third wire.
The readings should be the same.
If there is no continuity, replace the stator.
Stator Ground Test
Touch one probe to a bare stator lead and the other probe
to the bare metal surface of the stator [C].
There should be no continuity.
Replace the stator if there is continuity.
A
D–01760
1. Nut
2. Pulley
3. Fan
4. Bolt
5. Case Half (Front)
6. Bearing
7. Rotor
8. Slip Ring
9. Stator
10. Heat Sink (+)
2
16
11. Heat Sing (–)
12. Case Half (Rear)
13. Condenser Assy.
14. Brush Holder
15. Regulator
1
3
4
5
6
7
6
9
8
10
11
12
13
14
15
B
P–01369
C
P–01386
853, 853H Loader
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