Page S-6
TROUBLESHOOTING
Repair and Service Manual
Read all of Section B and this section before attempting any procedure. Pay particular attention to all Notes, Cautions and Warnings.
B
STARTER / GENERATOR
Condition
Possible Cause
Correction
STARTER IS NOISY
Bolts are loose
Retighten
Starter/generator has foreign matter inside Clean starter/generator interior
Bearings are faulty
Replace
Bearings contain foreign matter
Replace
Bearing needs grease
Replace
RECTIFICATION IS IMPERFECT
Load exceeds specification
Adjust load to specification
Armature bent
Repair or replace if necessary
Brushes are worn beyond limits
Replace
Commutator is excessively rough
Smooth with emery cloth
Incorrect voltage output
Check and replace any components if
required
Commutator is dirty with oil or dust
Clean with a cleaner and dry cloth
Field coil is shorted or broken
Repair or replace
GENERATOR DOES NOT CHARGE
Corroded or loose battery connections
Clean and tighten battery connections
Incorrect voltage regulator output
Replace
Poor voltage regulator ground connection Repair
Open or short circuit
Repair or replace
Faulty starter/generator
Repair starter/generator