Thrush Aircraft S2R-T660, Maintenance Manual

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THRUSH AIRCRAFT INC – T660 TURBO THRUSH
AIRCRAFT MAINTENANCE MANUAL
TROUBLE PROBABLE CAUSE REMEDY
Fuel vents plugged.
Pressure check each vent line.
Clean or replace vent line.
No fuel flow when auxiliary
pump is turned on.
Defective electric auxiliary
fuel pump switch.
Check continuity of switch.
Replace defective switch.
Open or defective circuit
breaker.
Check visually. If not open,
check continuity. Reset.
Replace if defective.
Loose connections or open
circuit.
Check connections and wiring.
Tighten connections; repair or
replace wiring.
Defective auxiliary fuel pump.
Disconnect outlet line. With
proper fuel supply to pump,
fuel under pressure should
flow from outlet. Replace
defective pump.
Defective engine-driven fuel
pump by-pass valve.
Check pump outlet during
starting. See Section IV and
replace fuel pump if by-pass
valve is defective or installed
backwards.
INTENTIONALLY LEFT
5 -15
Effective: 12/17/03