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12 VOLT STARTER TROUBLE SHOOTING CHART (Cont.)
PROBLEM PROBABLE CAUSE FIX
Intermittent operation Brushes binding in holders Free up brushes. Replace worn brushes and
those that have come in contact with grease and
oil.
Dirty or oily commutator Clean and dress commutator. Replace any brush
that has come in contact with grease or oil.
Loose or faulty electrical Correct.
connections
Open armature Replace starter.
Break in electrical circuit Disconnect ignition cutoff wire at the engine.
Crank engine. If spark, check ignition switch,
safety switch, and interlock switch. Check wires
for poor connections, cuts or breaks.
Sluggish Dirt and oil on drive assembly Clean drive assembly and armature shaft and
disengagement of the and at armature shaft lubricate shaft splines.
drive assembly
pinion gear
Bent armature Replace starter.
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