Troubleshooting Chart; Battery System - Thrush Aircraft S2R–T660 Maintenance Manual

TROUBLE
Battery fails to hold charge
Battery will not come up to
full charge
Battery consumes water
rapidly
Electrolyte runs out drain
tube
Battery discharged
Effective: 12/17/03
THRUSH AIRCRAFT INC - T660 TURBO THRUSH
AIRCRAFT MAINTENANCE MANUAL

TROUBLESHOOTING CHART

BATTERY SYSTEM

PROBABLE CAUSE
Battery defective
Charging rate to low
Charging rate too high
Electrolyte level too high
Excessive charging rate
Vent caps loose or broken
Standing too long
Equipment left on
Short circuit in wiring
REMARKS
Replace battery
Check voltage regulator
and adjust to 27.5+ .2
VDC
Check voltage regulator
adjust to 27.5 +.2
Remove excess
electrolyte & adjust
specific gravity
Check voltage regulator
for correct voltage
Tighten or replace caps
Remove battery and
recharge
Remove battery and
recharge
Check wiring and correct
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