Thrush Aircraft S2RHG-T65 TURBO THRUSH, Руководство по обслуживанию

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THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH
AIRCRAFT MAINTENANCE MANUAL
Effective: 05/05/04
10 - 9
TROUBLE PROBABLE CAUSE REMARKS
STARTER/GENERATOR – GENERATOR PHASE
(Continued)
No generator
output
(Continued)
Improper connections
Check connections against wiring
diagram
Defective generator
controls switch
Continuity.
Check switch for proper operation
and replace if necessary.
Defective Reverse
Current Relay
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.
Defective generator
Check generator with an ohmmeter
and replace starter-generator if
necessary
Volt-ammeter
does not indicate
Defective wiring
Continuity. Check wiring and repair
as necessary
Defective meter Replace meter
STARTER/GENERATOR - STARTER PHASE
TROUBLE PROBABLE CAUSE REMARKS
Starter
inoperative
Circuit breaker tripped
Check for short circuit and reset
circuit breaker
Low battery
Check battery. Service and recharge
as necessary
Starter relay inoperative
Check relay for operation and replace
if necessary
Battery relay inoperative
Check relay for operation and replace
if necessary
Loose connection or
faulty ground in starter
power circuit
Continuity. Check and repair starter
as necessary
Defective starter motor
Check brushes, springs and condition
of commutator continuity. Check
starter windings for open or short
circuit. Repair or replace