Piper Comanche PA-24 Service Manual page 770

PIPER COMANCHE SERVICE MANUAL
TABLE IX· VII. TROUBLESHOOTING
(COftt)
Tr •• bl.
e.ul.
CompoWld on top of
Charpng rate
' 0 0
higb.
ballery ",elts.
Electrolyte runs out of Too much .. ater added to
vent plugs. battery and charging
ra'e
'00
high.
Excessive corrosion Sp,llage froID over-filling.
inslde container.
Vent lines leaking or
clolled.
Charging ra.e
' 0 0
high.
Battery freezes. Discharged battery.
I
Wa.er added and battery
not charged
Immedl~
•• ely.
Leakinl battery jar.
Frozen.
Battery polarity reversed. Connected backwards on
aift)lane or charger.
Battery
C
CIIsumes excessi ve Char ling r •• e
'00
higb
water.
(if
In
all cells).
Cracked jar (one cell
only).
GENERATOR
Generator operating
If the voltage is low. the
within
rat~
speed generator is operating
range but voltage on resldual magnetism.
output low.
3
E23
R .....
y
Reduce charging ra.e
by
adjus.ing vol'age
regulator.
Drain ..,d keep at proper
level and adjust voltage
regulator.
Use care in adding water.
Repair or clean.
Adjust voltage regulator.
Replace.
Always recharge ballery for
1/2 hour followlng
addition of water in
freezing weather.
Replace.
Ballery should
be
slowly
discharged completely
and then charged correctly
and tested.
Correct charging rate.
Replace ba!!ery.
Check for loose or high
reSlstance connectlons;
clean and tighten.
ELECTRICAL SYSTEM
ISSUED; 8/18/72