Aileron Controls; Removal Of Aileron Control Cables - Piper Navajo Chieftain PA-31-350 Service Manual

NAVAJO CHIEFTAIN SERVICE MANUAL
3. Check that when the left sprocket (50) is centered between its stops, the control wheel will
also be centered. If the control wheel does not center, it may be necessary to remove the cap bolts (25) and
rotate the control tube (44) on the roller housing (23) or remove the bolt (35) that joins the square tube (31 )
and flexible joint (36), and rotate the tube 180. Reinstall bolts, torque and safety
f. Adjust the control wheel tube slides (46) at the instrument panel by tightening the adjustment
screw (45) to remove any play in the tube without restricting normal tube movement.
g Adjust the horizontal roller chain so that when the left control wheel is held solid, in center
position, the right wheel will also be centered with no play. Safety turnbuckles (41) and install chain guards
(56) in the sprocket housing.
h. Check control operation and install access panels removed.
5-8.
AILERON CONTROLS.
5-9. REMOVAL OF AILERON CONTROL CABLES. (Refer to Figure 5-3.)
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 151.50 and
178.00 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 76.00.
2. Loosen the turnbuckle, separating the ends at the forward end of the aileron bellcrank.
3. Remove the cable guard pins at wing stations 29.00 and 150.00 and within the fuselage at
station 164.50.
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 aft lug end of bellcrank .
1. Loosen the turnbuckle, separating the tumbuckle 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 171.00.
3. If not previously accomplished, remove the cable guard pins at wing stations 28.00 and
150.00 and fuselage station 171.00.
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 aft section of the fuselage and disconnect the interconnecting
cables (20 and 21 ) that lead to the rudder cables, at the turnbuckles (26) at station 288.00.
3. If not previously accomplished, remove the cable guard pins at wing stations 29.00 and
150.00 and fuselage station 171.00.
4. Remove the fairlead (19) at fuselage station 171.25, between where the interconnecting
cables attach to the balance cable.
5. Draw the cable from the wing into the fuselage.
6. Remove the cable guard pins at fuselage stations 244.00 and 274.00.
7.
Draw the interconnecting cables forward through the fuselage.
Revised: 3/31/94
SURFACE CONTROLS
1H23