Starter/Generator - Starter Phase; Low Battery; Diagrams - Thrush Aircraft S2RHG-T65 TURBO THRUSH Maintenance Manual

THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH
TROUBLE
STARTER/GENERATOR – GENERATOR PHASE
No generator
output
(Continued)
Volt-ammeter
does not indicate

STARTER/GENERATOR - STARTER PHASE

TROUBLE
Starter
inoperative
Effective: 05/05/04
AIRCRAFT MAINTENANCE MANUAL
PROBABLE CAUSE
Improper connections
Defective generator
controls switch
Continuity.
Defective Reverse
Current Relay
Defective generator
Defective wiring
Defective meter
PROBABLE CAUSE
Circuit breaker tripped

Low battery

Starter relay inoperative
Battery relay inoperative
Loose connection or
faulty ground in starter
power circuit
Defective starter motor
REMARKS
Check connections against wiring
diagram
Check switch for proper operation
and replace if necessary.
With engine running, check for
27.5vdc at both GEN and BATT
terminals. If 27.5vdc at GEN and
24vdc at BATT, reverse current relay
is faulty.
Check generator with an ohmmeter
and replace starter-generator if
necessary
Continuity. Check wiring and repair
as necessary
Replace meter
REMARKS
Check for short circuit and reset
circuit breaker
Check battery. Service and recharge
as necessary
Check relay for operation and replace
if necessary
Check relay for operation and replace
if necessary
Continuity. Check and repair starter
as necessary
Check brushes, springs and condition
of commutator continuity. Check
starter windings for open or short
circuit. Repair or replace
(Continued)
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