Electrical System Troubleshooting - Piper PA-24 Comanche Service Manual

PIPER COMANCHE SERVICE
MANUAL
TA8LIIX·VIt. TROUBLeSHOOTING
Troubl.
c."••
R••
edy
BATTIRY
Discharpd !)attery.
Battery wom out.
Replace battery.
ChatJiftl rate Qot set
Reset.
ript.
DiscWlial rate too
Remove load when pnerator
INat. is not Chatlinl and
re-
duce ue of starter. etc.,
on pund; use extemal
power wherever pa.sible.
Standinl too 10111.
Remove ad rech.rp
battery if left in Wlused
airp1ae 3 weelts or more.
Equipment left 011
Remove aad recharle.
accidentally.
Impurities ia electrolyte. Replace.
Short circuit (around)
in Check wirina.
wirma·
Broken cell partition
s,
Replace.
Battery life is short. Overcharp due to level
Maintaia electrolyte level.
of electrolyte beiae
below top of plate•.
Heavy discharle. Remova loads when pn·
erator is not charging.
Sulfation due to disue. Replace.
Impurities in electrolyte. Replace battery.
Low charline rate. Adju.t volt• • reculator.
Cracked
cell j·ars. Hold-down bracket loeae. Replace battery and tichten.
Frozen battery. Replace.
ELECTRICAL SYSTEM
ISSU ED: 8/18/72
3
E22
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