PIPER AIRCRAFT, INC.
PA-28-161, WARRIOR III
MAINTENANCE MANUAL
2E14
24-30-00
PAGE 22
Nov 30/06
CHART 5 (Sheet 1 of 2)
TROUBLESHOOTING BATTERY
Trouble Cause Remedy
Battery installed with Battery charged backwards. Remove battery and install
reversed polarity. with correct polarity.
Remove battery. Connect
load such as landing light,
lamp, or similar load, and
discharge battery. Charge
with correct polarity and
test each cell for signs of
damage due to reversed
charging.
NO
TE: The condition above can only occur where a discharged battery has
been removed from airplane and put on a charger with polarity reversed.
Discharged battery. Battery worn out. Replace battery.
Improper charging rate. Adjust voltage regulator
Standing too long. Remove and charge
battery if left in unused
airplane three weeks or
more.
Equipment left on accidentally Remove and charge
battery.
Impurities in electrolyte. Replace battery.
Short circuit (ground) in wiring Check wiring
Broken cell partitions. Replace battery.
Battery life is short. Overcharge due to level of Maintain proper electrolyte
electrolyte being below top level of plates.
Sulfation due to disuse. Replace battery
Impurities in electrolyte. Replace battery.
Low charging rate. Adjust voltage regulator.
Cracked cell partition(s). Hold-down bracket loose Replace battery and tighten.
Frozen battery. Replace battery.
Compound on top of battery melts. Charging rate too high. Reduce charging rate by
adjusting voltage regulator
or replace transistorized
regulator.
Electrolyte runs out of vent plugs. Too much water added. Drain and keep at proper
level.
Charging rate too high. Adjust voltage regulator.
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