Starter/Generator - Generator Phase - Thrush Aircraft S2RHG-T65 TURBO THRUSH Maintenance Manual

THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH
TROUBLE
No power
indicated with
battery switch on
Power on with
battery switch in
OFF position

STARTER/GENERATOR - GENERATOR PHASE

TROUBLE
Zero or low
voltage indicated
No generator
output
10 - 8
AIRCRAFT MAINTENANCE MANUAL
PROBABLE CAUSE
BATTERY SYSTEM
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
PROBABLE CAUSE
Loose connection
Open or shorted field
circuit in generator or
defective armature
Brushes not contacting
commutator
Brushes worn
Dirty commutator
Defective voltage
regulator circuit
Generator circuit
breaker tripped or 130
amp buss limit fuse
blown
REMARKS
(Continued)
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.
REMARKS
Check connections throughout
system
Test resistance of field. Check field
circuit connections. Replace starter-
generator if defective.
Clean brushes and holders with a
clean, dry, lint-free cloth. Replace
weak springs.
Replace brushes
Clean commutator
Adjust or replace regulator
Check for short circuit and reset
circuit breaker and / or replace buss
limit fuse
Effective: 05/05/04