THRUSH AIRCRAFT, INC – MODEL S2R-G10
AIRCRAFT MAINTENANCE MANUAL
Table 7-1: Control System Trouble Shooting Chart (Continued)
FLAP SYSTEM (Continued)
PROBLEM CAUSE REMEDY
Flaps on one side fail
to operate.
(continued)
Disconnected push rod.
Connect push rod and recheck
rigging procedures.
Flaps fail to extend
(down) completely.
Incorrect rigging of push
rods.
Rig in accordance with 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.
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.
Resistance to control
stick movement.
Binding control stick
bearings.
Lubricate bearings. Repair or
replace elevator horns.
Page Effective: 03/26/2010 7-28