Control Column Assembly Removal - Piper PA-24 Comanche Service Manual

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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.
5-6. Removal Of CCJIlItrol Column Asenbly. (Refer to Fipn: 5'1.)
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.
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
REV1S£D: 4/3/78
1
F17