Ford Corsar Repair Manual page 830

Undercut procedures
Round (0.020
-
0.031 in)
W
Correct
ile
Commutator
Incorrect
E E O Z l
STARTING SYSTEM S t a r t e r -
K A ~ ~ E
I
Armature Check (Cont'd)
2. Insulation test (between each commutator bar and shaft).
Continuity exists. ... Replace.
3. Check commutator surface.
Rough ... Sand lightly with No. 500
-
600 sandpaper.
4. Check diameter of commutator.
Commutator minimum diameter:
Refer to S.D.S.
Less than specified value
...
Replace.
5. Check depth of insulating mold from commutator surface.
Less than 0.2 mm (0.008 in) ... Undercut to 0.5 to 0.8 mm
(0.020 to 0.031 in)