STARTER MOTOR TESTING (CONT)
(Sheet 4 of 6)
7. Plunger assembly (4)
Disassemble and proceed to step 8.
8. Plunger spring (15)
Check for proper tension using a spring
Replace if it doesn't meet these specifications.
(18-19 N-m) at a height of 1.56 in.
(39.60 mm) is required.
9. Switch (2)
Test for shorts or grounds with an ohmmeter
Unit is not repairable. Replace as a unit.
10. Field coil (18)
Check for insulation breakdown. Attach
Replace if found to be defective.
ohmmeter probes to frame and a field coil
terminal. The reading should not be less
than one megohm.
11. Armature (46)
Check these dimensions. Commutator end
Commutator must be concentric to the shafts
shaft 0.6835--0.6845 in. (17.3860-17.3860
within 0.002 in. (.05 mm).
mm), drive end shaft 0.622(-0.6230 in.
(28.9150-29.2960 mm), center of the
armature shaft near the splines 0.8225-
0.8240 in. (20.8915-20.9296 mm).
The armature commutator 2.1930-2.3180
in. (55.7022-58.8772 mm).
Go on to Sheet 5