Section 02 TROUBLESHOOTING
Sub-Section 05 (ELECTRICAL SYSTEM)
02-05-2
7. Check brushes.
a.Poor contact of brushes.
Replace brushes.
8. Check commutator.
a.Burnt commutator.
Turn commutator on lathe.
9. Check height of commutator mica.
a.Commutator mica too high.
Undercut mica.
10. Check field coil resistance.
a.Shorted field coil.
Repair or replace yoke.
11. Check armature resistance.
a.Shorted armature.
Repair or replace armature.
12. Check tension of brush springs.
a.Weak brush spring tension.
Replace springs.
13. Check yoke assembly magnets.
a.Weak magnets.
Replace yoke assembly.
14. Check if bushings are worn.
a.Worn bushings.
Replace bushings.
SYMPTOM STARTER TURNS, BUT OVERRUNNING CLUTCH PINION DOES NOT MESH
WITH RING GEAR
CONDITION NORMAL USE
Test/Inspection 1. Check clutch pinion gear.
a.Worn clutch pinion gear.
Replace clutch.
2. Check clutch.
a.Defective clutch.
Replace clutch.
3. Check movement of clutch on splines.
a.Poor movement of clutch on splines.
Clean and correct.