Aileron Controls; Removal Of Aileron Control Cables - Piper Navajo PA-31 Service Manual

PIPER NAVAJO SERVICE MANUAL
5. Adjust the idler as follows:
(a) Slide the channel to a position where there is no slack in the chain.
(b) Tighten the sprocket bolt only.
(c) Recheck the chain tension and slack; readjust if necessary.
(d) Tighten the channel bolts.
i. Check control operation and install access panels that were removed.
5-7. AILERON CONTROLS.
5-8. REMOVAL OF AILERON CONTROL CABLES. (Refer to Figure 5-2.)
a. Remove the two left floor panels located between the forward bulkhead of the fuselage and the main
spar. Remove the left floor panel behind the main spar.
b. If the right or left balance cable (16 or 23) is to be removed, remove the center floor panel aft of the
main spar.
c. Remove the access plates located under the wing, along the trailing edge, at stations 151.5 and 178.0
and aft plate located on the fillet fairing between the fuselage and wing.
d. To remove the right or left primary control cables (15 or 22), the following procedure may be used:
1. Mark one set of cable ends to facilitate installation and separate the aileron control cables at the
turnbuckle (17) within the fuselage at station l()()()..
2. Loosen the turnbuckle. separating the ends at the forward end of the aileron bellcrank.
3. Remove the cable guard pins at wing stations 29.0 and 150.0 and within the fuselage at station
164.5.
4. Draw the cable back through the fuselage, through the wing and out through the access hole at the
aileron bellcrank.
e. Removal of the right balance-cable (16) may be accomplished by the following procedure:
WARNING
Before removing left or right balance cable, use red enamel paint
to restore color code on cable end and all lug end of bellcrank
1. Loosen the turnbuckle. separating the turnbuckle ends at the aft end of the aileron bellcrank (1).
2. Separate the right and left balance cables at the cable ends ( 18) at fuselage station 171.0.
3. If not previously accomplished, remove the cable guard pins at wing stations 28.0 and 150.0 and
fuselage station 171.0.
4. Draw the cable through the wing into the fuselage.
f. The left balance cable (23) may be removed by the following procedure:
WARNING
Before removing left or right balance cable, use red enamel paint
to restore color code on cable end and aft lug end of bellcrank .
1. Loosen the turnbuckle. separating the turnbuckle ends at the aft end of the aileron bellcrank (24).
2. Remove the interior panel to the alf section of the fuselage and disconnect the interconnecting
cables (20 and 21) that lead to the rudder cables, at the turnbuckles (26) at station 288.0.
3. If not previously accomplished, remove the cable guard pins at wing stations 29.0 and 150.0 and
fuselage station 171.0.
Revised: 2/18/94
SURFACE CONTROLS
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