Piper Navajo PA-31 Service Manual page 265

PIPER NAVAJO SERVICE MANUAL
TABLE V-II. TROUBLESHOOTING CHART (CONTROL SURFACES) (cont.)
Trouble Cause
I
Remedy
AILERON TRIM CONTROL SYSTEM
Lost motion between
trim control wheel
and trim tab.
Cable tension too low.
Cables not in place on
pulleys.
Adjust in accordance
with Paragraph
5-20.
Install cables according
to Paragraphs 5-15,
5-17 and 5-20.
Broken pulley.
Linkage loose or worn.
Replace pulley.
Check linkage and tight-
en or replace.
Trim control wheel
moves with excessive
resistance.
System not lubricated
properly.
Cable tension too high.
Pulleys binding or rub-
bing.
Cables not in place on
pulleys.
Trim tab hinge binding.
Cables crossed
or
routed incorrectly.
Lubricate system.
Adjust in accordance
with Paragraph 5-20.
Replace binding pulleys.
Provide clearance be-
tween pulleys and
brackets.
Refer to Paragraphs
5-15, 5-17 and 5-20.
Lubricate hinge.
If
necessary, replace.
Check routing of con-
trol cables.
SURFACE CONTROLS
Reissued: 10/12/79
Ll