Piper PA-28-161, Maintenance Manual

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PIPER AIRCRAFT, INC.
PA-28-161, WARRIOR III
MAINTENANCE MANUAL
PAGE 3
Nov 30/06 5F15
80-10-00
Trouble Cause Remedy
Motor fails to operate. Shorted, grounded, or Remove and replace with
(continued) open armature. an armature known to be in
good condition.
Grounded or open field Test and then replace with
circuit. new part.
Motor operates at proper Faulty Bendix drive. Remove Bendix drive
speed but fails to crank. assembly. Clean and
check engine. Reinstall.
Low motor and cranking Worn, rough, or improperly Disassemble, clean,
speed. lubricated motor or starter. inspect and relubricate,
replacing ball bearings,
if worn.
See electrical causes See remedies listed for
listed under “Starter fails “Starter fails to operate,”
to operate,” above. above.
Excessive arcing of motor Binding, worn, or improperly See information above
brushes. seated brush or brushes, dealing with this trouble.
with excessive side play.
Dirty, rough, pitted or Clean as outlined above.
scored commutator.
Grounded or open field Test and replace defective
circuit. parts.
Excessive wear and arcing Rough or scored commutator. Remove and turn
of motor brushes. commutator down on a
lathe.
Armature assembly not Reface commutator.
concentric.
CHART 1 (Sheet 2 of 2)
TROUBLESHOOTING - STARTER