OVERHAULING STARTER
Disassemble starter 12 41 513.
Check armature and field coil with 220 volt test
lamp.
Touch commutator and packet of plates with
prods of tester.
Lamp comes on when there is ground; replace
armature.


12 41 513

Connect ammeter (60 ampere measureing range)
in circiut and apply prods to commutator briefly
from plate to plate.
Testing voltage 2 to 4 volts.
Gage deflection must be equal between the individual
plates.
Serious deviations indicate a break.
Replace armature having a break.

Check field coil for ground.
Visual inspection.
Replace burnt or damaged coils.

Fine grind commutator.
Commutator diameter (A) must not be less than
33 mm (1.299´´).

Undercut commutator plates.
Insulation must be 0.5 mm (0.020´´) deeper
than the plates.

Press out worn bushing.
Installation: Befor installation, soak new bushing
in engine oil for at least 1/2 hour and then
press it in until flush.

Press worn bushing out of intermediate bearing.
Installation: Before installation soak new bushing
in engine oil for at least 1/2 hour and then press
it in until flush.