STANDARD PROCEDURES
The following tips will help in removal, installation and rigging of various assemblies:
1. It is recommended, though not always necessary to level and place airplane on jacks during rigging
and adjustment.
2. Remove turnbuckle barrels from cable ends before withdrawing cables through structures.
3. To facilitate installation, tie a cord to cable ends before withdrawing cable through structure.
4. Turribuckle stations are given at their neutral positions.
5. Mark cable end with a felt marking pen before disconnecting.
6. Assemble and adjust turnbuckles so that each terminal is screwed an equal distance into barrel. Do not
turn terminals in a manner that will put a permanent twist into the cables.
7. Cable tensions should be taken with appropriate control surface in its neutral position.
8. After completion of each adjustment, check turnbuckles to be sure not more than three terminal
threads are visible outside barrel. Install locking clips, and check for proper installation by trying to
remove clips using fingers. Both locking clips may be installed in opposite holes. Locking clips which
have been installed and removed must be scrapped. Safety turnbuckles in accordance with Advisory
Circular 43.13-1A chapter 4, section 2.
9. When push rods or rod ends are provided with an inspection hole, screw must be screwed in far
enough to pass inspection hole. This can be determined visually or by feel. If no hole is provided, there
must be a minimum of 0.375 of an inch thread engagement.
10. When installing rod end jam nuts, refer to figure 27-1 for proper installation method.
11. After completion of adjustments, each jam nut must be tightened securely.
12. Tighten all flight control system nuts per chart 9102, Recommended Nut Torques.
—NOTE—
Cable rigging tensions specified must be corrected to ambient
temperature in area where tension is being checked, using chart
2702.
CONTROL COLUMN ASSEMBLY
REMOVAL OF CONTROL COLUMN ASSEMBLY (figure 27-2)
l. To remove either control wheel with tube, proceed as follows:
a. Separate control wheel tube from flexible joint that is located on either side of tee bar assembly by
removing nut, washer, and bolt. pull tube from flexible joint.
b. If removing left control tube, slide stop from tube.
c. Should wires for various autopilot systems be installed in control tube, disconnect them at quick
disconnect terminals behind instrument panel. Draw wires back into tube and out through forward
end of the tube.
d. Remove control wheel assembly from instrument panel.
27- 04 - 00
Page 27 - 09
Reissued: August 1, 1986
1K8
PIPER AIRCRAFT
PA-28-236
MAINTENANCE MANUAL
To Next Page
Loading...
