LANCE
II SERVICE
MANUAL
NOTE
Do not rotate the torque tube while retensioning the cable or
tighten tight enough to allow tube to be pulled away from its
stops.
g. To check up-neutral position of the flaps, place a flap rigging tool as shown in Figure
5-18 against the underside of the wing and flap as close as possible to the outboard end of
the flap without contacting any rivets. The tool must be positioned parallel with the wing
ribs with the aft end of the tool even with the trailing edge of the flap. (This tool may be
fabricated from dimensions given in Figure 5-20.)
h. With the flap control rod connected between the torque tube crank arm and the
flap, check
that the surface
of the wing contacts
the tool at
its forward surface
and
at the
spacer, and the aft end of the flap contacts
the aft end of the tool. The flap
is neutral
at this position.
i Should
the three points not contact, loosen
the jam nuts on each end of the control
rod and
rotate the rod until
the three points
contact. Apply a
slight up pressure against
the
trailing edge
of the flap
while making
this adjustment.
After adjustment,
retighten
the
jam
nuts.
j. Check and adjust the other flap in a like manner.
NOTE
In
the event of wing heaviness
during flight, the flap
on the
side of the
heavy wing
can be adjusted
down from
neutral to
remedy this
condition by
lengthening
the control
rod. Check
the inspection
hole
in each rod
to ascertain
that there
are
sufficient threads
remaining and a wire cannot
be inserted
through these
holes. Do
not raise
the flap of the
other wing
above neutral,
k.
Check the
flap for full
down travel
to the degrees
required
in Table V-I.
Should the
travel not be
as that required, readjust
the torque
tube stop screw in
or out as required.
After readjusting
the screw,
it will be
necessary
to review
steps d thru
j.
L Check
operation
of the flap and
flap handle
ratchet mechanism.
m. Install access plates and panels.
Issued: 1/3/78
-
SURFACE
CONTROLS
1H1
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