Control System Troubleshooting Chart; Aileron System; Flap System - Thrush Aircraft S2RHG-T65 TURBO THRUSH Maintenance Manual

THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH

CONTROL SYSTEM TROUBLESHOOTING CHART

PROBLEM
Resistance to control
stick movement.
Incorrect aileron travel.
Correct aileron travel
cannot be obtained by
adjusting bellcrank
stops.
Flaps do not extend
(down) or retract (up).
Flaps do not extend
(down) or retract (up).
7-20
AIRCRAFT MAINTENANCE MANUAL

AILERON SYSTEM

CAUSE
Control stick bearings
dry or worn.
Torque tube bearings
dry or worn.
Bent aileron.
Aileron push rods and
tubes out of rig.
Aileron bell crank stops
incorrectly
Incorrect rigging of push
rods and tubes.
Incorrect rigging of
bellcranks.

FLAP SYSTEM

Circuit breaker out.
Defective flap switch.
Defective flap motor.
Defective electrical
circuit.
Stripped or broken
jackscrew on flap motor.
REMEDY
Check control stick bearings
for lubrication, excessive wear
and cleanliness.
Check bearing for lubrication,
excessive wear and
cleanliness.
Repair or replace aileron.
Rig in accordance with aileron
rigging procedures.
Rig in accordance with aileron
rigging procedures.
Rig in accordance with aileron
rigging procedures.
Rig in accordance with aileron
rigging procedures.
Reset circuit breaker.
Replace flap switch.
Replace flap motor.
Replace defective wires.
Replace jackscrew assembly.
Effective: 5/05/04