Piper PA-24 Comanche Service Manual page 206

PIPER COMA!"'CHE SERVICE MANrAL
I. Fir...
t.
check to determine that the oleo housing is not restricted from s"inging far
~'n.
forward as a result of the steering arm roller bushing (12) pressing against the steering bellerank ( 1.\
l.
t ,
preventing one or both link... from dropping into the locked position. Should the roller bushinu interfere.
remove the bu . . . hing» until after adjustment is completed. -
., To check for correct adjustment of forward drag link attachment fittings. proceed as t'l)lIm .... :
(al Remove the cotter pin. nut and washer from the bolt attaching the lower drag link...
(~~
and
~5)
to the strut housing.
(hI
T0
determine that the holt is a slip fit. slide it back and forth through the
fillln~
. . . ,
(cl Remme the bolt and swing the drag links up and down along the sides ot thc ...
irut lilt
ing
to determine that there is clearance between the drag link fittings and the strut fitting.
(d] If there is binding or the drag link fittings will not swing up and align \\ ith the: ...
irut
fitting \\ ithout forcing them to either side. the entire strut housing (5) must be shimmed
to
the right
or
left at
the upper strut attaching arms to allow proper alignment of the drag links and strut fitting,
Ie) If there is excessive clearance which would allow the drag links
to
be draw n together
causing binding when the attaching bolt and nut are tightened. spacer washers
(~tl)
should he installed
between the drag link and strut fitting. A maximum of two washers are allowed on either side of the ...trut
fitting.
(n
With the drag links and strut housing adjusted for proper clearance of the
I()\\
er d rag link
attachment fittings. and the attaching. bolt is a slip fit. secure the bolt with washer. nut and cotter pin.
(gl Extend and retract the nose gear manually to check that each link
assemhl~
lock"
simultaneously and independently of each other.
(h) Should further adjustment be necessary. then shims (23) available in O,Olh. P ,
2I!QO-02; 0.020. P '\ 211'\20-03 and
O.O~2.
P
7\
21820-04 can be installed or removed. as required. between the
forward cabin bulkhead and the two center bottom attaching points of the landing gear mount.
7\OTE
The maximum amount the landing gear mount can be shimmed is
0.120 of an inch.
•
(il Remon: or add shims at the forward cabin bulkhead on the same side as the drag link that
is binding.
(i)
Each time a shim is removed or added. the lower drag link fittings should be checked for
adjustment as deSCribed in steps "b" thru "e" for this adjustment may change and now be the cause of the
binding.
(k) When proper adjustment is attained. the drag links will lock <imultaneously and
independently of each other when the gear is extended manually and the lower drag link attaching bolt will
be a slip fit.
3. When shims are installed or removed between the forward bulkhead and landing gear mount
support. the bolt hole in the tang (14) of the mount support may be out of alignment with the hole in the
fuselage. When this occurs. drill the holes to the next larger size not exceeding 0.311 of an inch.
4. Secure the lower drag link attaching bolt. cross brace and down lock springt s) with washers
and nuts.
5, C onnect and adjust the retraction push-pull rod. (Refer to Paragraph 6-5tl.)
ISSl"ED: 8/18/72
1112
LASDING GEAR ASD BRAKE
HS..I