Stabilator Trim Drum Wrapping; Stabilator Adjustment Point View - Piper PA-24 Comanche Service Manual

PIPER COMANCHE SERVICE MANUAL
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1. ITO_ IOLTS
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TIilIM TAe INClCATCIil AIlIM
3. TIilIM TA. CONTIIlCLCAeU
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FIGURE &.12. STABILATOR ADJUSTMENT POINT
NOTE
Tbe subilat.r trim contrOl rod end bnrift,locaml at the forward end
of the COQuol rod (33) should be checked for freedom of movement
dunn, the replat 100 hour iDlpcction by disconnce:tinl the rod at the
trim tab and holdint the end between your
ranpn,
try
to aam the rod
from side
to
side and rowe up and doWft. If the
rod will not
tum
or
is
hard to
tul'1l,
the bcarinr should be checked more thorouthly by
rcmoYinl the complete assembly (33) from the airplane.
g. Connect the tab actuator ann to the beUc:rank ac the rod end bearinl with bolt, wuher. castellated
nut and cotter pin. With the subilacor in the neutnl position, tum the trim in each direction to screw stOps
to check tab anile u Jiven in Table V·I and also check minimum number of wraps left on the drum.
(Minimum allowable is one and one quamr tums.)
5-.40. Wrappilll Scabi1acor Trim Drum. (Refer
to
Fiprc 5-10, Sketch 0 or G.)
a.
To wrap' the trim drum, aKauin that the screw and drum IIICmbly is removed from the aircraft.
b. Locate the center of the rear trim cable
(%),
mcuunn, from end to end. II\lC1"t the trim cable into
the drum slot aDd install lockpin. Mark one end of the drum (16) to be tOP u
it
will be insuJled in the
aircraft. The cable from the top of the drum wrap down in a clockwise diremon 9-114 tums. the lower
cable wrap up in a counterclockwise direction 9-1/4
turns.
Insert the drum into ia frame (10). Insert
trim
screw (11) throUJh the drum and inall screw
stops
(14). Maincain a muir-nun of .00%
betw~
bushing
and drum. Install the two brKket anpcs OS) to the drum frame with the suppOrt side bracket bolts
installed. Install the two cable
pards
and center the drum between the
twO
screw
Stops.
The drum
assembly may be inStalled on the aircraft,
mer
to Puqraph '-38.
SURFACE CONTROLS
ISSUED: 811Sn2
184
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