Rudder System - Thrush Aircraft S2R-R1340 Maintenance Manual

THRUSH AIRCRAFT, INC – MODEL S2R-R1340
Table 7-1: Control System Trouble Shooting Chart (Continued)
PROBLEM
Flaps fail to extend
(down) completely.
Flaps not
synchronized or fail to
fit evenly when
retracted (up).
Flaps not synched or
fail to fit evenly when
retracted (up).
(Continued)
Flaps on one side fail
to operate.
Lost motion between
rudder pedals and
rudder.
Lost motion between
rudder pedals and
rudder.
Excessive resistance
to rudder pedal
movement.
Effective: 01/01/08
AIRCRAFT MAINTENANCE MANUAL
FLAP SYSTEM (Continued)
CAUSE
Incorrect rigging of push
rods.
Incorrect adjustment of
push rods.
Bent push rods.
Bent flap.
Broken arm on torque
tube or broken push
rod.
Disconnected push rod.

RUDDER SYSTEM

Cables loose.
Broken pulley.
Bolts attaching rudder
horn to rudder loose.
Cables too tight.
Pulleys binding or
rubbing.
Rudder binding caused
by bent rudder horn.
Rudder pedal needs
lubrication.
Cables not in place on
pulleys.
Bent rudder.
REMEDY
Rig in accordance with rigging
procedures.
Adjust in accordance with rigging
procedures.
Straighten or replace.
Repair or replace flap.
Replace broken parts.
Connect push rod and recheck
rigging procedures.
Adjust in accordance with rigging
procedures.
Replace pulley.
Tighten bolts.
Adjust cables in accordance with
rigging procedures.
Provide proper clearance if pulleys
are rubbing pulley brackets or
cable guards.
Replace rudder horn.
Lubricate as required.
Install cables correctly.
Repair or replace rudder.
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