TCH.1C-27J-2-27JG
Safety Conditions:
maintenance.
PROCEDURE:
2-45.1
ADJUSTMENT OF EMERGENCY TRIM TAB
NEUTRAL POSITION (refer to figure
) and (refer to figure
1.Move by hand the LH (RH) trim tab and check that it
moves without interference to at least 11
°
upward and
downward.
2.Set the drum (7) in neutral position checking that the
dimension between the Shaft assy (6) and the Drum
Rod assy (5) is 0.81
±
0.062 in (20.6
±
1.6 mm).
3.Move by hand the trim tab to zero position (use
template: elevator trim check template (AGE NO.
00065 ).
4.Connect the linkage rod (fail safe type) from the Rod
assy (5) drum to the trim tab slot.
5.Check that the trim tab is to 0
°
±
0.5
°
.
NOTE
If the trim tab doesn't satisfy the
requirement, properly operate on the knurl
plate.
6.Insert the rigging pin (8) (AGE NO. 00181) into the
drum (7).
7.Install the control cable on drum (7) and verify that it is
winded up on drum (7) for at least 3 turns.
8.Remove the rigging pin (8) (AGE NO. 00181) from the
drum (7).
9.Pull one of two control cable end in order to move the
trim tab surface and verify that it moves to 10
°
±
1
°
downwards. Pull the other control cable end and verify
that the trim tab moves to 10
°
±
1
°
upwards.
(Cont'd)
27-30-10
2-379