Maintenance Manual XA41/XA42
AMM-XA42-0040-001 C.00
Page date:
Page
27
25.09.2018
Chapter 27
27-30-01 Trim Tab
The trim tab operates through an electric actuator. You can control the actuator with a
switch on the left side panel of the rear cockpit. The trim tab is attached at two hinge points
on the right side of the trailing edge of the elevator. To remove the trim tab, refer to
chapter 55-30-00.
To disassemble the trim tab control system:
1
Disconnect the control rod from the trim tab. See Figure 27-23, detail L.
2
Disconnect the control rod from the trim bellcrank. See Figure 27-23, detail H.
3
Disconnect the trim bellcrank from the horizontal tail and the trim tab drive. See
Figure 27-23, detail H and P.
4
Disconnect the trim tab drive electrically.
5
Remove the trim tab drive. See Figure 27-23, detail P.
The trim tab LED position indicator and the actuator switch are located in the left side panel
in the rear cockpit. Refer to chapter 39-30-00.
No. Quantity
Component
P/N
1
1
Trim rod assy.
XA42-2750-105
2
1
Trim bell crank
XA42-2750-101
3
1
Trim tab drive
XA42-2750-051
4
1
Trim bushing
XA42-2750-271
5
1
Trim tab washer
XA42-2750-273
6
1
Hexagon head bolt
AN3-6
7
2
Flat washer
AN960-10L
8
1
Castle nut
AN310-3
9
4
Cotter pin
DIN94-2x12
10
1
Hexagon head bolt
AN4-10
11
1
Hexagon head bolt
AN4-11
12
6
Flat washer
AN960-416
13
3
Castle nut
AN310-4
14
1
Hexagon head bolt
AN4-7
15
1
Flat washer
AN960-416L
16
4
Flat washer
DIN125-A-4,3
17
4
Lock nut
DIN985-M4
Summary of Contents for XA41
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