THRUSH AIRCRAFT, INC – MODEL S2R-R1340
AIRCRAFT MAINTENANCE MANUAL
7-26
Effective: 01/01/08
P. Reattach the wing attach angles to
the wing spar and fuselage and
torque all nuts and bolts to the
specification called out in Table 7-3.
Q. Remove the ½ inch temporary
spacers between the lower longeron
and the lower spar cap.
R. Release the wing supports and
check the wing dihedral for 3 ½
degrees.
S. Complete the wing installation by
making the necessary connections in
the electrical, fuel, pitot, and flight
control systems.
Table 7-1: CONTROL SYSTEM TROUBLESHOOTING CHART
AILERON SYSTEM
PROBLEM CAUSE
REMEDY
Control stick bearings
dry or worn.
Check control stick bearings for
lubrication, excessive wear and
cleanliness.
Torque tube bearings
dry or worn.
Check bearing for lubrication,
excessive wear and cleanliness.
Resistance to control
stick movement.
Bent aileron.
Repair or replace aileron.
Aileron push rods and
tubes out of rig.
Rig in accordance with aileron
rigging procedures.
Incorrect aileron
travel.
Aileron bell crank
stops incorrectly
Rig in accordance with aileron
rigging procedures.
Incorrect rigging of
push rods and tubes.
Rig in accordance with aileron
rigging procedures.
Correct aileron travel
cannot be obtained
by adjusting
belcrank stops.
Incorrect rigging of
belcranks.
Rig in accordance with aileron
rigging procedures.
FLAP SYSTEM
Circuit breaker out.
Reset circuit breaker.
Defective flap switch.
Replace flap switch.
Defective flap motor.
Replace flap motor.
Defective electrical
circuit.
Replace defective wires.
Stripped or broken
jackscrew on flap
motor.
Replace jackscrew assembly.
Flaps do not extend
(down) or retract (up).
Defective micro-switch.
Replace micro-switch.
Flaps fail to retract
(up) completely.
Incorrect rigging of push
rods.
Rig in accordance with rigging
procedures.
