Removal Of Stabilator Trim Assembly - Piper Dakota Maintenance Manual

f. Check safety of all turnbuckles and bolts.
g. With tension of upper cable correct and control wheel still forward, adjust turnbuckle of lower
cable to obtain correct tension.
h. Check full travel of control wheel with relation to full travel of stabilator to determine that
stabilator contacts its stops before control wheel contacts its stops. With control wheel in fore and
aft positions, travel distance from point where stabilator contacts its stops and control wheel
contacts its stops should be approximately equal. Readjust turnbuckles if incorrect.
i. Reinstall access panels.
4. Remove airplane from jacks.
STABILATOR TRIM ASSEMBLY (FORWARD)
REMOVAL OF STABILATOR TRIM ASSEMBLY (FORWARD) (figure 27-l8)
l. To remove trim control wheel assembly or trim control cables, first remove panel to aft section of
airplane.
2. If aft trim cable is not to be removed, block cables at pulleys in upper aft section of fuselage to prevent
them from unwrapping from trim drum. (Refer to figure 27-l7.)
3. Loosen cables if trim control wheel is to be removed or disconnect if cables are also to be removed.
Do this at trim cable turnbuckles in aft section of fuselage.
4. Remove control wheel with drum as follows:
a. Remove control wheel cover by removing attaching screws.
Be careful when removing trim wheel assembly to prevent
damage to trim indicator wire.
b. Remove wheel assembly from its mounting brackets by removing nut, washer, and bolt that
secures the wheel between the brackets. Draw wheel from brackets.
c. Unwrap left cable from drum.
d. Wheel and drum are joined by a push fit, separate these two items with their center bushing and
unwrap right cable.
e. Tie cables forward to prevent them from slipping back into floor tunnel.
5. Remove trim control cables as follows:
a. Remove rear seats and floor panel, and front seats, if desired.
b. Unfasten carpet from aft portion of floor tunnel and lay it forward.
c. Remove tunnel cover located between trim control wheel and spar cover by removing attaching
screws.
d. Remove cable pulleys located in tunnel by removing cotter pin, washer, and clevis pin.
e. Remove cable rub blocks located on aft side of main spar by removing block attaching screws.
f. Remove cable guard pin at pulley cluster located just aft of wing flap torque tube at station l27.25.
PIPER AIRCRAFT
PA-28-236
MAINTENANCE MANUAL
—CAUTION—
1L7
27- 33 - 00
Page 27 - 32
Reissued: August 1, 1986