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12.12
•
Remove regulator (8) with carbon brushes.
•
Carefully lift out armature (9) together with bear-
ing (10).
•
Remove bearing (10) from armature shaft.
•
Unsolder stator (11) on diode plate (12); mark the
wires.
•
Remove diode plate.
•
Remove O-ring (14).
•
Install in the reverse order of removal.
L Note:
During assembly, insulate the solder points on the
diode plate with silicone. Coat bearing seat in hous-
ing with Molykote paste.
Checking exciter winding
•
Using the test probes of the BMW diagnosis test-
er,
BMW No. 61 1 510, measure the resistance
across the slip rings.
Nominal resistance.......................................7 ± 1
Ω
LT120100
9
11
10
14
13
8
12
61 1 510
LT120110