THRUSH AIRCRAFT, INC – MODEL S2R-R1340
AIRCRAFT MAINTENANCE MANUAL
7-28
Effective: 01/01/08
Table 7-1: Control System Trouble Shooting Chart (Continued)
RUDDER SYSTEM
(Continued)
PROBLEM CAUSE
REMEDY
Rudder pedals not
neutral when rudder
is streamlined.
Rudder cables
incorrectly rigged.
Rig in accordance with rigging
procedures.
Incorrect rudder
travel.
Rudder horn stops
incorrectly adjusted.
Adjust in accordance with rudder
rigging procedures.
ELEVATOR SYSTEM
Pulley binding or
rubbing.
Provide proper clearance if rubbing
pulley bracket or guard.
Binding control stick
bearings.
Lubricate bearings. Repair or
replace elevator horns.
Resistance to control
stick movement.
Elevator hinges need
lubrication.
Lubricate hinges as required to
give free movement.
Incorrect elevator
travel.
Elevator belcrank, idler,
and push tubes
incorrectly adjusted.
Adjust in accordance with rigging
procedures.
Correct elevator
travel cannot be
obtained by adjusting
belcrank, idler and
push tubes.
Control stick stops
incorrectly rigged.
Adjust control stick stops in
accordance with rigging
procedures.
ELEVATOR TRIM SYSTEM
Push rods binding.
Check push rods at fairings for free
movement.
Trim control lever
moves with excessive
resistance.
Trim tab hinge binding.
Lubricate hinge. If necessary
replace hinge.
Incorrect trim tab
travel.
Incorrect adjustment of
push rods.
Adjust in accordance with rigging
procedures.
