PIPER COMANCHE SERVICE MANUAL
IV - STRUCTURES 04/01/09
1E14
4-25. Installation Of Flap. (PA-24-250 Electrically Operated And PA-24-260.)
CA
UTION: FLAP SKINS MUST BE REPLACED IF THEY SUSTAIN DAMAGE OR EXHIBIT
CRACKS.
A. Ascertain that the flap control rod is installed to the flap.
B. Position flap in place, lubricate flap rollers and tracks (see Lubrication Chart, Section II) and install
the lower roller assemblies. (Refer to Figure 4-3.) When nylon rollers are installed lubrication of
rollers and tracks is not required.
C. Swing the flap rearward and install the remaining roller assemblies. Move the flap through its full
travel to ascertain that there is no binding. If there is binding, inspect flap rollers and tracks for dirt,
foreign material, paint or damage. Clean, lubricate (if applicable) or replace as necessary.
D. The right flap, insert the flap return step lock cable end through the leading edge of the flap. The
left flap, connect the flap return cable to the leading edge.
E. Connect the flap control rod and bellcrank return spring.
F. In the right wing, by entering through the wheel well, draw the flap return step lock cable and
connect. Engage the step lock. In the left wing connect the flap return spring.
G. Check flap rigging and adjustments. (Refer to Rigging Of Flap, Section V.)
H. Install access plates and wheel well splash pan.
NO
TE: When installing flap rollers, position spacer washers to allow no side binding and ascertain
that the roller bushings will roll free.
Figure 4-3. Flap Roller Installation
(Electrically Operated)
Figure 4-4. Aileron Bearing Installation
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