Piper Navajo PA-31 Service Manual page 85

.230 to .260 including
shaft end play
Flap Transr
PIPER NAVAJO SERVICE MANUAL
See Instructions (Paragraph 3-9)
for inspection and proper dimension.
1020
Transmission
Flap Transmission
Flexible Shaft Assembly
Figure 3-2. Wing Flap Actuator Cable - 100 Hour Inspection
3-9a. 500 HOUR
INSPECTION
OF WING FLAP TRANSMISSION
ACTUATOR
CABLE. (Dukes
System Only) (Refer to Figure 3-2a.)
a.
Gain access to the flap motor and flexible shaft assemblies by removing the center floor panei in the
main cabin area and the right and left row of seats and floor panels aft of the main spar
b.
Remove the aft access plate on the fairing located on the underside between the fuselage and wing,
c.
Remove the access plates at the aft side of the wheel well at wing stations 34.5. 44.5 and 54.0
and on
the underside of the wing at the trailing edge at wing stations 65.0. 82.75 and 92.5.
d.
Remove all Ty-Raps and support clamps along the entire length of both flexible shaft
assemblies.
and inspect the outerhousing.
If the housing is damaged, replace the flexible shaft assembly
e.
Disconnect flexible shafts and remove the flap motor
Using caution not to damage the flexible shaft
housing. route the flexible shafts outboard through the longitudinal
beams. (Refer to Figure 3-2a. Sketch I
NOTE
Do not disconnect
flexible shaft from transmission
at this time.
f.
Visually inspect the flexible shaft splined drive coupling and retaining pin for evidence of
looseness
on the cable swage fitting. (Refer to Figure 3-2a. View A). If any looseness is apparent,
replace the flexible
shaft assembly.
I
Revised: 3/2/84
INSPECTION
1D13