TABLE XI-VI. TROUBLESHOOTING CHART (ELECTRICAL SYSTEM) (cont.)
Trouble
Cause
Remedy
STARTER (cont)
Low motor and crank-
Worn, rough, or im-
Disassemble, clean, in-
ing speed.
properly lubricated
spect, and relubricate,
motor or starter
replacing ball bearings
gearing.
if worn.
Same electrical causes
Same remedies listed
as listed under "Motor
for these troubles.
fails to operate."
Excessive arcing of
Binding, worn, or im-
See information above
motor brushes.
properly seated brush
dealing with this
or brushes with excessive
trouble.
side play.-
Dirty commutator, rough,
clean as outlined
pitted or scored.
above.
Excessive wear and
Rough or scored com-
Remove and turn com-
arcing of motor brushes.
mutator.
mutator down on a
lathe.
Armature assembly not
Reface commutator.
concentric
PIPER AIRCRAFT
PA-28-161 CADET
AIRPLANE MAINTENANCE MANUAL
Issued: FEBRUARY. 28, 1989
ELECTRICAL SYSTEM
2E10