Vanguard OHV V-Twin User Manual page 135

Clean and inspect helix. If helix is damaged, replace
starter. Inspect bearing journals on armature shaft
for wear or damage. If bearing journals are worn or
damaged, replace starter.
NOTE: Bearings in drive and brush end cap are not
replaceable.
Inspect Armature Commutator
The armature commutator may be cleaned with fine
sandpaper (#300 – 500 grit). DO NOT use emery
cloth.
Commutator may be machined to no less than
1.063" (27 mm), Fig. 36.
Slots between commutator bars should be cleaned
with a hack saw blade after cleaning or machining.
The armature should be checked for shorts with a
growler.
Fig. 36
Inspect Brushes
Minimum brush dimension (1) is 1/4" (6 mm). If
brushes are worn less than specification, replace the
starter housing, Fig. 37.
Fig. 37
Use digital multimeter and check for continuity
between field coil wire and brushes shown, Fig. 38.
134
1.062"
(27.0 MM)

The following test will be made with the meter in the
(Diode Test) Position.
1. Attach either meter test lead to field coil wire (2).
2. Contact first one, then other brush with other
test lead as shown.
a. Meter should
(continuous tone).
b. Replace starter housing if meter does not
indicate continuity.
Fig. 38
3. Attach either test lead to starter housing,
Fig. 40.
Fig. 39
4. Contact first one, then the other brush with other
test lead as shown.
a. Meter should
(continuous tone).
b. Replace starter housing if meter does not
indicate continuity.
indicate continuity
‚
indicate continuity