TCH.1C-27J-2-27JG
2-15.8 GEARED TRIM TAB / GEARED TAB / SPRING
TAB / GAP CHECK (refer to figure
8.Move the geared tab from to all upwards to all
downwards (or viceversa) and check that during all
travel the gap between the tab and the RH aileron is
0.079 in + 0.039 in - 0 in (2 mm + 1 mm - 0 mm).
9.Move the RH spring tab from all upwards to all
downwards (or viceversa) and check that during all
travel, the gap between the tab and the RH aileron is
0.079 in + 0.039 in - 0 in (2 mm + 1 mm - 0 mm).
2-15.9 ADJUSTMENT OF GEARED TRIM TAB/GEARED
TAB TO NEUTRAL POSITION (refer to figure
1.Be sure that the electrical actuator of the geared trim
tab is installed to the aircraft and that it is adjusted to
neutral position (8.79 in / 223.3 mm between the
connection axes).
2.Install the template (AGE NO. 00039) on the LH (RH)
aileron in order to check the trim geared tab/geared
tab deflection.
3.Insert one rigging pin (4) (AGE NO. 00181) in the LH
(RH) quadrant (3) between ribs 23 and 24.
4.Connect the fail safe rod between the attachment
point on the aileron and the geared trim tab
attachment point so that the geared trim tab is
positioned to 0° ± 0.25° .
NOTE
If the trim tab doesn't satisfy the 0° ± 0.25°
position, properly operate on the knurl plate.
5.Install the fail safe rod between the wing structure
support and the geared tab attachment point so that
the geared tab is positioned to 0˚ ± 0.25˚.
(Cont'd)
27-10-10
2-111