Isuzu Rodeo UE. Manual — part 156
6D3–9
STARTING AND CHARGING SYSTEM (X22SE 2.2L)
Generator Power
1. Adjust load resistor, if the required load currents are
not attained.
2. The shape of the voltage curves on oscilloscope
curve should be regular.
3. Test value: 5 to 7A.
4. If the required minimum current intensity is not
attained, or if the oscilloscope picture shows
variations, the alternator should be overhauled.
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Regulated Voltage Circuit Diagram
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Legend
(1) Battery
(2) Ignition Lock
(3) Charge Telltale
(4) Resistor, for attainment of load current with the
battery set in series
(5) Voltmeter
(6) Ammeter
(7) Generator
Installation
1. Install generator assembly and bring generator
assembly to the position to be installed.
2. Install generator bracket (1), (2) and tighten to the
specified torque.
Torque:
Long bolt: 35 N·m (26 lb ft)
Short bolt: 20 N·m (15 lb ft)
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3. Connect wiring harness connector.
4. Move drive belt tensioner to loose side using wrench,
then install drive belt to normal position.
5. Reconnect battery ground cable.
Disassembly
1. Belt pulley nut.
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6D3–10 STARTING AND CHARGING SYSTEM (X22SE 2.2L)
2. Spring ring, washer, belt pulley halves, spacing ring,
fan pinion, pulley spring.
3. Voltage regulator with brush holder.
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4. Drive bearing with clawpole armature.
5. Mark housing halves.
6. 4 fastening bolts.
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7. Clawpole armature from drive bearing.
8. Lay suitable pipe piece (1) underneath.
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9. Bearing cover of drive bearing.
10. Ball bearing from drive bearing.
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6D3–11
STARTING AND CHARGING SYSTEM (X22SE 2.2L)
11. Ball bearing from armature shaft.
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12. Nut from connecting pins “B+” and “D+”.
13. Washers and insulating material.
14. Diode plate.
15. Remove together with stator winding from slip ring
bearing.
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16. Spray sleeve (if present).
17. Carefully bend off diode plate.
18. Unsolder stator winding from diode plate.
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Inspection and Repair
Repair or replace necessary parts if extreme wear or
damage is found during inspection.
Rotor Assembly
1. Check the rotor slip ring surfaces for contamination
and roughness. If rough, polish with #500–600
sandpaper.
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6D3–12 STARTING AND CHARGING SYSTEM (X22SE 2.2L)
2. Measure the slip ring diameter, and replace if it
exceeds the limit.
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3. Check resistance between slip rings, and replace if
there is no continuity.
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4. Check for continuity between slip ring and rotor core.
In case of continuity, replace the rotor assembly.
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Stator Coil
1. Measure resistance between respective phases.
2. Measure insulation resistance between stator coil
and core with a mega–ohmmeter.
If less than standard, replace the coil.
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