Piper Comanche PA-24 Service Manual page 212

4-16a. Stabilator Torque Tube Assembly Ten Year Inspection.
Each ten years time-in-service, inspect as follows.
A. Gain access to the Stabilator Torque Tube Assembly by removing the aft fairing, aft fuselage access
panel and stabilator halves.
B. Inspect for corrosion on the inside and outside surface of the torque tube and the condition of the
bolts on the inside of the torque tube.
C. Inspect condition of bearings, bearing blocks and attach fittings inside the fuselage.
D. Inspect condition of balance weight tube attachment fitting and control horn.
E. If no corrosion is found, lubricate per Lubrication Chart, Section II and re-install the stabilator
halves, fuselage fairings, and aft fuselage access panel. Proceed to step G.
F. If corrosion or wear is found other than on the torque tube itself, order replacement parts through
your Piper Aircraft Inc. authorized dealer, or repair per the corrosion removal procedures in the
latest revision of AC 43.13-1. If surface corrosion is found on the stabilator torque tube, removal of
corrosion is permitted only to the extent noted in Table IV-I. Where cadium plating has been
removed from outside of the torque tube, apply a brush coat of cadium plate per MIL-STD-865.
Where paint has been removed from the inside of the torque tube, apply 2 swab coats of epoxy
primer. Treat all other reworked items with Dinitrol AV8 or CRC Protector 100 Corrosion Inhibitor.
G. Make a logbook annotation indicating compliance with inspection. For torque tubes, which cannot
be cleaned up within the noted limits, replace with the kits noted in Table IV-II.
4-17. Removal Of Fuselage Components.
4-18. The fuselage is the basic structure. Repairs may be accomplished within the limitations described in
paragraph 4-2. Modifications to the fuselage are permissible if they do not involve alterations to the
primary structure. It is recommended that the manufacturer be contacted for information regarding
specific alterations proposed.
4-19. Removal Of Door Lock Assembly.
A. Remove door latch assembly by removing door trim upholstery and removing screws attaching
latch plate and latch assembly to door.
B. Disconnect latch pull rod from inside door handle.
C. Remove complete latch assembly.
4-20. Removal Of Door Assembly.
A. Disconnect the door stop assembly.
B. Drive out the 1/16" roll pin securing each door hinge pin.
C. Remove the door hinge pins and remove door. Do not let serrated plates drop out.
IV - STRUCTURES
PIPER COMANCHE SERVICE MANUAL
1E10
04/01/09