Piper Comanche PA-24 Service Manual page 299

PIPER COMANCHE SERVICE MANUAL
TABLE V-II. TROUBLESHOOTINC OIART (SURFACE CONTROLS)
(conL)
Trouble
eau..
FLAP CONTROL SYSTEM (canL)
No indication of flap
Defective indicator uniL
position on indi-
cuor.
Sender unit not adjusted
PlOperiy.
Defective
wirins.
Master switch off.
Circui, braker open.
Seader unit grouad open.
Mechanical link .... be-
tween
walking beam
and tranIIIIitter, broken
or diseoanected.
Trammitter inoperative.
Flap indicoror shows
Incompl .. e ground.
flaps down when 'hey
are up.
Flap. fail
'0
retract
Up limit switch incor
completely. •• ctly adjusted.
Flaps do not extend
Down limit switch in-
completelY·
com:ctly adjusted.
Flap on on. side fails Broken control cable.
to operate.
189
-
Remedy
Replace indicator unit.
Adjust sender uni, in
accordance with
hngraph '-19 or
5-23.
Check and repair
wiri",.
Tum switch on.
Reset circui' b ..... ker.
OIeck ground connec·
tion.
Check and repair.
Replace.
Chedc. ground connections
It
transmitter under
rearsut.
AdjuSt flap in a<cor
dance with Paragrap
h
5-19 or 5-23.
AdjuSt in accordance
with Paragraph 5-19
or S-23.
Repair or replace
control cable.
SURFACE CONTROLS
ISSUED: 8/18/72