Stabilator Trim; Removal Of Forward Stabilator Trim Assembly - Piper APACHE PA-23-235 Service Manual

PIPER AZTEC SERVICE MANUAL
5-19. STABILATOR TRIM.
- NOTE -
Remove excess lubricant build-up from the stabilator trim
cable as follows:
a. Dampen a clean white cloth with Methyl-Ethyl-Ketone
solvent.
b.
Place the dampened cable in hand and grasp stabilator
trim cable near the stabilator trim crank.
c. Crank the cable through it's full travel fore and aft
removing any excess buildup of lubricant.
5-20. REMOVAL OF FORWARD STABILATOR TRIM ASSEMBLY. (Refer to Figure
5-5.)
a. Remove the rudder trim control knob or handle (25) by removing the roll pin securing
it in place.
b.
Remove the stabilator trim control knob and handle (24) by removing the attaching
screws from the hub of the handle.
c. Remove the headliner trim plate from around the trim crank assembly by the
following procedure:
1. Remove the attaching screws securing the trim plate.
2. Lower the aft side of the trim plate and disconnect the vent lines.
3. Disconnect the wiring from the lights and their switches.
- NOTE -
It is recommended that the wires be marked for identification
before removal to facilitate reinstallation.
4. Disconnect the control cable from the air control assembly on each side.
5. Remove the headline trim plate.
d. Remove the trim crank bearing bracket assembly (22) by removing attaching screws.
e. Remove the aft cabin or baggage area trim panel gaining access to the aft section of
the fuselage.
f. Disconnect the forward stabilator trim cable (42) at the turnbuckles (9) located in the
aft section of the fuselage.
g. On airplanes equipped with an electric pitch trim servo, use the following procedure:
1. On PA-23-250 (six place) airplanes only, remove the baggage compartment
ceiling trim panel by removing attaching screws.
2. On all PA-23 airplanes, loosen the two machine screws on the left side of the
servo unit in the baggage compartment that hold the cable guard bracket in place.
3. Unwrap the cable from the pulleys on top of the servo unit.
h.
If the cable is not to be reused, cut the left end of the forward cable removing the
turnbuckle. Solder the blank end of a new cable to the end of the old cable.
NOTE
If the trim cables are to be reused, the headliner insulation,
rubblocks and pulleys must be removed from the cabin ceiling.
Unless the headliner is to be replaced, it is not recommended
that it be removed because of difficulties replacing an old
headliner.
SURFACE CONTROLS
Reissued:
2
18/81
1K3