Piper COMANCHE PA-24-180 Service Manual page 176

PIPER COMANCHE SERVICE MANUAL
TABLE V-ll TROUBLESHOOTING CHART (SURFACE CONTROLS) (cont.)
Trouble
Cause
I
Remedx
FLAP CONTROL SYSTEM (cont )
Flaps have erratic.
sluggish or retarded
operation during ex-
tension and retraction
Transmission needs lu-
brication
Lubricate transmission
(Refer to Lubrica-
tion Chart. Section
II)
Binding between track
and rollers
Slipping or stripped
transmission
Loose electrical con-
nection
Dirt. foreign material.
paint or damage to
flap rollers and
tracks
Lack of lubrication.
Improper lubricant
Check for defective
parts and replace
if necessary or
consult latest Piper
Service Letter No 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 Nylon
rollers must not be lu-
bricated. but require
periodic cleaning
Refer to Lubrication Chart.
Section II.
0
Flaps. when retracted.
extend beyond normal
fully retracted position
Flaps retracted at
higher airspeed than
recommended for flap
operation after being
used for take-off
Refer to latest Piper
Sernice Letter No
and install Kit No
754 413
360
SURFACE CONTROL
ISSUED: 8/18/72
1H8