Battery System - THRUSH S2R – G10 Maintenance Manual

AIRCRAFT MAINTENANCE MANUAL
ELECTRICAL TROUBLESHOOTING CHART
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
No power indicated with
battery switch on
Power on with battery
switch in OFF position
Effective: 03/26/2010
THRUSH AIRCRAFT, INC - MODEL S2R-G10

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
Charging rate too high
Battery discharged, defective
or disconnected
Blown C/B in battery control
circuit
Defective wiring in battery
control circuit
Defective battery relay
Battery switch defective
Shorted or sticking contacts
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
Adjust voltage regulator to
27.5
Check battery, recharge or
replace battery
Check C/B and reset if
necessary
Continuity. Check circuitry and
repair as necessary
Check relay for proper
operation and replace as
necessary
Check switch for proper
operation. Replace if
necessary
Check switch and relay for
proper operation. Replace if
necessary.
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