Opel Frontera UBS. Service manual — part 1157
6D3–20 STARTING AND CHARGING SYSTEM
Disassembled View
066RW007
Legend
(1) Pulley Nut
(2) Pulley
(3) Front Cover Assembly
(4) Rotor Assembly
(5) Rear End Cover
(6) Rectifier
(7) Terminal Insulator and Nut
(8) Regulator Assembly
(9) Brush Holder Assembly
(10) Rear Cover
6D3–21
STARTING AND CHARGING SYSTEM
Disassembly
1. Terminal insulator and nut(2).
2. Remove three nuts(1) on the rear cover and a nut on
terminal B and insulator, then remove the rear
cover(3).
060RW005
3. Remove two screws that fix the brush holder(5) and
rectifier, then remove the brush holder assembly(4).
060RW004
4. Remove three screws on the IC regulator, then the IC
regulator assembly(6).
060RW003
5. Remove four screws that fix rectifier(7) and stator
lead wires.
066RW004
6D3–22 STARTING AND CHARGING SYSTEM
6. Secure the pulley directly in the vise between two
copper plates, and remove the nut and pulley.
066RS010
7. Remove four nuts(8) that secure the front cover
assembly and rear end cover, and an insulator(9).
066RW005
8. Use the puller to remove the rear end cover.
9. Rotor assembly
066RS012
10. Pull the rotor assembly(10) off the front cover
assembly(12) using a bench press(11).
066RW006
6D3–23
STARTING AND CHARGING SYSTEM
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.
066RS014
2. Measure the slip ring diameter, and replace if it
exceeds the limit.
066RS015
3. Check resistance between slip rings, and replace if
there is no continuity.
066RS016
4. Check for continuity between slip ring and rotor core.
In case of continuity, replace the rotor assembly.
066RS017
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