Battery System - Thrush Aircraft S2R-R1340 Maintenance Manual

THRUSH AICRAFT, INC - MODEL S2R-R1340
Table 10-1: 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
10 - 8
AIRCRAFT MAINTENANCE MANUAL

BATTERY SYSTEM

PROBABLE CAUSE
Battery defective
Defective Alternator
Defective Voltage Reg.
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 low
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
Check
Check voltage regulator and adjust to
27.5± .2 VDC
Check voltage regulator adjust to 27.5
±.2 volts
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±.2
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.
Effective: 01/01/08