Starter Cleaning And Inspection - BRP E250DHLSCS Service Manual

ELECTRICAL AND IGNITION
ELECTRIC STARTER SERVICING

Starter Cleaning and Inspection

Inspect the brushes for wear and damage.
Replace brushes if damaged or worn. Replace
weak brush springs.
Inspect and replace locating ring on armature
shaft, if necessary.
Clean the commutator with 300-grade emery
cloth. If commutator surface is unevenly worn or
pitted, turn it on a lathe. Remove any trace of oil or
metal dust from the commutator.
Check the armature on a growler for shorted turns
using a test light or meter. Inspect armature insu-
lation for indications of overheating or damaged
windings. Clean off any carbon deposits or foreign
152
matter which could contribute to failure of wind-
ings.
TYPICAL
Check permanent magnets. Make sure they
30349 strongly attract any steel or iron object held inside
frame. Weak magnetism could cause excessive
RPM on No Load Current Draw Test on p. 138.
TYPICAL
30345
After disassembling the drive, clean each part with
Cleaning Solvent and inspect for wear and distor-
tion.
If the pinion does not properly engage the fly-
wheel, the pinion and screw shaft assembly could
be worn, distorted, or dirty. Locate the cause of
binding and correct it before completing the
assembly.
Inspect and replace end cap thrust washer if dis-
torted or worn excessively.
Inspect and replace armature shaft snap ring if
worn or distorted.
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