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I.  Disconnect the necessary control cables, such as the propeller pitch control, mixture control, etc., that will allow the tee bar assembly to be removed.
J.  Remove the tee bar assembly by removing the attachment bolts with washers and nuts which arc through each side of the floor tunnel, and lifting it up and out through the right side of the cabin.
INSTALLATION OF CONTROL COLUMN ASSEMBLY.  (Refer to Figure 27-6.)
1.  To install tee bar assembly:
A.  Swing the tee bar assembly into place from the right side of the cabin and secure with attachment bolts, washers and nuts inserted through each side of the floor tunnel.
B.  Connect the stabilator control cables to the lower end of the tee bar with bolt, washer, nut and cotter pin. Allow the cable ends free to rotate.
C.  Place the aileron control cables around the pulleys that attach to the lower section of the tee bar; position pulleys and secure with bolt, washers and nut.
D.  Install the control wheel per Step 2.
27-10-00 Page 27-18 Issued: April 1, 1997
1.
SPROCKET, RIGHT CONTROL WHEEL

2.
FLEXIBLE JOINT

3.
BOLT ASSY.

4.
TUBE, CONTROL WHEEL

5.
CONTROL WHEEL (L&R)

6.
TURNBUCKLE

7.
TEE BAR ASSY.

8.
“O” RING

9.
WASHER, CONTROL WHEEL

10.
PLATE, CONTROL WHEEL

11.
WASHER, CONTROL WHEEL

12.
SPACER, STOP

13.
SPROCKET, LEFT CONTROL WHEEL

14.
CHAIN, LEFT ROLLER

15.
IDLER SPROCKET, AFT

16.
CHAIN, RIGHT ROLLER

17.
PIN

18.
IDLER SPROCKET, FORWARD

20.
PULLEY STABILATOR

21.
PULLEYS AILERON

22.
CABLES, AILERON CONTROL

23.
CABLES, STABILATOR CONTROL

Figure 27-6. Control Column Assembly 
2B19  27-10-00 Page 27-19 Issued: April 1, 1997 

INSTALLATION OF CONTROL COLUMN ASSEMBLY (CONT).  (Refer to Figure 27-6.)
E.  Place the control wheels in neutral (centered) position and install the aileron control chains on the control wheel sprockets and idler cross-over sprockets. The turnbuckle must be centered between the two control wheel sprockets.
F.  Loosen the connecting bolts of the idler sprockets to allow the chain to fit snug around the control wheel sprockets and over the idler sprockets.
G.  Connect the aileron control cables to the ends of the chains with bolts, bushings, nuts and cotter pins.
H.  Adjust the chain turnbuckle between the two control wheel sprockets to allow the control wheels to be neutral and obtain proper cable tension as given in Figure 27-10. It may be necessary in order to have both control wheels neutral to set the chain turnbuckle to neutralize the wheels and then set cable tension with the turnbuckles located under the floor panel aft of the main spar. Before safetying the turnbuckle, check that when the ailerons are neutral, the control wheels will be neutral and the chain turnbuckle centered. Also the aileron bellcranks should contact their stops before the control wheel hits its stop. Maintain .030 to .040 clearance between sprocket pin and adjustable stop bolts on models having adjustable tee bar stops.
I.  Set stabilator cable tension with the turnbuckle in the aft section of the fuselage. Check safety of all turnbuckles upon completion of adjustments.
J.  Tighten the connecting bolts of the idler sprockets.
K.  Install the floor tunnel plate and secure with screws. Fasten the tunnel carpet in place.
2.  To install either control wheel assembly:
A.  Insert the control wheel tube through the instrument panel.
B.  Should wires for the various Autopilot systems need to be installed in the control tube, route them through the hole in the forward side of the tube and out of the small hole in the side. Position the rubber grommet in the hole in the side of the tube.
C.  On the left control tube, install the stop.
D.  Connect the control wheel tube (4) to the flexible joint of the tee bar assembly.  If the control cables and or chains have not been removed or loosened, place the ailerons in neutral and install the control tube on the flexible joint to allow the control wheel to be neutral. Install bolt, washer and nut and tighten.
THIS SPACE INTENTIONALLY BLANK
27-10-00 Page 27-20 Issued: April 1, 1997
3. To Install Flex Joint Replacement (Refer to Figures 27-6 and 27-7)
A.  Carefully lay out location for hole to be drilled in flex joint tube to match hole in control column shaft.
B.  Using a #5 (0.2055) drill bit, drill hole through flex joint tube at location determined in paragraph (a).
C.  Ream drilled hole, in steps, with a #1 reamer, checking to insure proper depth for taper pin and sufficient pin thread protrusion for proper installation.
　
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