THRUSH AIRCRAFT, INC – MODEL S2R-R1340
AIRCRAFT MAINTENANCE MANUAL
Effective: 01/01/08
7-27
Table 7-1: Control System Trouble Shooting Chart (Continued)
FLAP SYSTEM
(Continued)
PROBLEM CAUSE
REMEDY
Flaps fail to extend
(down) completely.
Incorrect rigging of push
rods.
Rig in accordance with rigging
procedures.
Flaps not
synchronized or fail to
fit evenly when
retracted (up).
Incorrect adjustment of
push rods.
Adjust in accordance with rigging
procedures.
Bent push rods.
Straighten or replace.
Flaps not synched or
fail to fit evenly when
retracted (up).
(Continued)
Bent flap.
Repair or replace flap.
Broken arm on torque
tube or broken push
rod.
Replace broken parts.
Flaps on one side fail
to operate.
Disconnected push rod.
Connect push rod and recheck
rigging procedures.
RUDDER SYSTEM
Cables loose.
Adjust in accordance with rigging
procedures.
Lost motion between
rudder pedals and
rudder.
Broken pulley.
Replace pulley.
Lost motion between
rudder pedals and
rudder.
Bolts attaching rudder
horn to rudder loose.
Tighten bolts.
Cables too tight.
Adjust cables in accordance with
rigging procedures.
Pulleys binding or
rubbing.
Provide proper clearance if pulleys
are rubbing pulley brackets or
cable guards.
Rudder binding caused
by bent rudder horn.
Replace rudder horn.
Rudder pedal needs
lubrication.
Lubricate as required.
Cables not in place on
pulleys.
Install cables correctly.
Excessive resistance
to rudder pedal
movement.
Bent rudder.
Repair or replace rudder.
