Piper Comanche PA-24 Service Manual page 298

PIPER COMANCHE SERVICE MANUAL
TABLE V-II TROUBLESHOOTII"G CHART (SURFACE CO"TROLS) (conI.)
Trouble
Flaps ha\e erratic.
sluggish or retarded
operation during ex-
tension and retraction
Flaps. when retracted.
extend beyond normal
fully retracted position
ISSUED: 8/18/72
Cause
FLAP CONTROL SYSTEM (cont )
Transmis,ion needs lu-
brication
Binding between track
and rollers
Slipping or stripped
transmission
Loose electrical con-
nection
Dirt. foreign material.
paint or damage to
nap rollers and
tracks
Lack of lubrication.
Improper lubricant
Flaps retracted at
higher airspeed than
recommended for flap
operation after being
used for take-off
IH8
Remedy
Lubricate transmis:-.ion
(Refer to Lubrica-
tion Chart. Section
\I )
Check for defecti\e
pans and replace
if necessary or
consult latest Piper
Service Leller :\
0
595
Replace transmission
Check and repair elec-
trical connections
Clean and lubricate (if
applicable) or replace
if necessary
Steel rollers only After
cleaning. lubricate per
Lubrication Chart in
Section II "ylon
rollers must not be lu-
bricated. but req u i re
periodic cleaning
Refer
to
Lubrication Chart.
Section II.
Refer to latest Piper
Sen ice Leller No 360
and install K it No
754 4 \)
SURFACE CONTROe