PIPER COMANCHE SERVICE MANUAL 5-4. 5andlrd Procedura. The followinJ tips may be helpful i.a the removal &nd insca11ation of the various assemblin. a. It is recommended. thoqh not always neceaary. to level &nd place the airplane on jacks during riging and adjusunent. b. Remove Nmbuc:k1e barrels from c:able ends before wimdrawinJ c:ablcs throup smu:tun:l. c. Tie a cord to cable end before drawinc cable throUlh stNmares to facilitate cable reinsu1lation. d. Turnbuckle sutions are livcn at neutral position. e. When referrina to markin, cable ends, eee., before dilconnectinl. a felt inker may be uscd. f. When turnbuckla have been set to eorftet cable tension.
no more than three threads should be exposed from either end of the rumbuc:lde barrel. ,. Cable tensions should be taken with the appropriate surface and trim contrOl in its neutral position. h. For the purpose of chanlinc the lateral trim. a rured tab is provided on weron(s) which can be adjusted as necess.ary. i, When installia, rod end jim aua. refer to Fipre S·la for proper inIul1acioa medlod. S·5. Coatrol ColulIID AlMmbly. a. To remove either of the control whecJs (l aDd 10) with tube (2). proceed u foUows: 1. Mark the roUer assembly (B) cable attaehmem; fittiaa (20) and coUan fore (21) and aft (22) in reference to their positions around the control wheel tube. 5-6.
Removal Of CCJIlItrol Column Asenbly. (Refer to Fipn: 5'1.) 2. Cut the wire (16) that safeties the cap bolu (11) that secure the roller assembly and collars to the control tube. Remove the c&f' bolts. J. Slide the control tube hom the roller Ulelftbly, cable atQchmcnt fittinc and collars and draw the tube hom the instrument panel. Note the number of sal wuhers (18) between the cable fitting and eolian. b. The square tube (J) assembly may be removed by the loUowina' procedure: 1. Disconnect one tUrnbuckle (6) of the horizontal control chains (5 and 7) &nd unwrap chain. 2.
Separate the vertical control chain (1) hom the aileron control cables by disconnecting one of the connecting tumbuckles and unwrap chain from sprocket. J. From the horizontal brace between the left and ritht sprocket bnc:kcrs (4 and 8), remove three cap bolts and looscn the fourth loWct'inJ the brace sliIhdy to· allow withdrawal of the sprocket bracket. 4. Remove bolts and screw holdint the sprocket bracket to the bulkhead. 5. Withdraw the square tube assembly. NOTE If an Autopilot roU selVa is insullcd in the forward end of the sqUaR rube shaft forward of the bulkhead. it must be removed from the shait prior to Withdrawing the square tube. SURFACE CONTROLS REV1SЈD: 4/3/78 1 F17