Piper Navajo PA-31 Service Manual page 271

Rudder pedal torque
tube bearing in need
of lubrication.
Cable tension too high.
Pulleys binding or rub-
bing.
Cables not in place on
pulleys.
Cables crossed
or
routed incorrectly.
PIPER NAVAJO SERVICE MANUAL
TABLE V-II. TROUBLESHOOTING CHART (CONTROL SURFACES) (cont.)
Trouble
I
Cause Remedy
RUDDER CONTROL SYSTEM
Lost motion between
rudder
pedals and
rudder.
Cable tension too low.
Linkage loose or worn.
Broken pulley.
Bolts attaching
rudder to
bellcrank
are loose.
Adjust cable tension per
Paragraph
5-45.
Check linkage and tight-
en or replace.
Replace pulley.
Tighten bellcrank bolts.
Excessive resistance
to rudder pedal move-
ment.
System not lubricated
properly.
Lubricate system.
Lubricate torque tube
bearings.
Adjust cable tension per
Paragraph
5-45.
Replace binding pulleys
and/or provide clear-
ance between pulleys
and brackets.
Install cables correctly.
Check cable guards.
Check routing of control
cables.
Reissued: 10/12/79 SURFACE CONTROLS
1L7