80 - 02 - 00
Page 80 - 02
Reissued: August 1, 1986
2K22
CHART 8001. TROUBLESHOOTING (STARTER)
Motor fails to operate. Low battery charge. Check and recharge if
necessary.
Defective or improper Refer to electrical wiring
wiring or loose connec- diagram and check all
tions. wiring.
Defective starter solenoid Replace faulty unit.
or control switch.
Binding, worn, or im- —CAUTION—
properly seated brush, or
brushes with excessive side Do not use coarse sand
play paper or emery cloth. After
seating, clean thoroughly to
remove all sand and metal
particles to prevent ex-
cessive wear. Keep motor
bearing from sand or
metal particles.
Brushes should be a free fit
in the brush boxes without
excessive side play. Binding
brushes and brush boxes
should be wiped clean with
a gasoline (undoped) moist-
ened cloth. A new brush
should be run in until at
least 50 percent seated;
however, if facilities are not
available for running in
brushes, then the brush
should be properly seated
by inserting a strip of num-
ber 000 sandpaper between
the brush and commuta-
tor, with the sanded side
next to the brush. Pull sand
paper in the direction of ro-
tation, being careful to keep
it in the same contour as the
commutator.
TROUBLE CAUSE REMEDY
PIPER AIRCRAFT
PA-28-236
MAINTENANCE MANUAL
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