Perform additional operation when replacing passenger bench seat with seat backrest adjustment

AR91.21-D-0018-02TSK

Perform additional operation when replacing passenger bench seat with seat backrest adjustment

 Warning

Risk of injury. Moving parts can pinch, crush or, in extreme cases even sever extremities.

No parts of the body or limbs should be within the operating area of mechanical components when moving components.

AS00.00-Z-0009-01A

Topical note

Notes on carrying out repair work in the vehicle interior

AH68.00-N-0001-01S

Model

907.6/7

with code U74 (Arm-rests on wall-side)

with code U75 (Arm-rests side of gangway)

 Passenger bench seat

Number

Designation

Model 907.6/7

BA91.21-N-1001-01TS

Bolt, armrest to seat backrest frame on passenger bench seat

Nm

24

1

Remove covers (1).

 To do so, use  long wedge.

2

Remove screw/bolts (2) .

3

Remove armrests (3).

Shown on aisle side

4

Set seat backrests of passenger bench seat to upright position.

 To do so, operate the respective lever (4).

Shown on aisle side

5

Remove grooved pin (5) using a suitable tool.

 Observe position of grooved pin (5) relative to trim (6), seat backrest padding (7) or seat backrest cover (8).
Otherwise, damage to the trim (6), seat backrest padding (7) or seat backrest cover (8) may occur.

 To do so, hold lever (4) in uppermost position after operating.

6

Remove expansion rivet (9).

7

Remove release lever trim (10).

 To do so, detach release lever trim (10) from lever (4).

8

Loosen trim (11) with  clip remover (arrow A).

 Observe distance between lever (4) and cutout (12).
Otherwise, the trim (11) may be damaged.

Shown on aisle side

9

Remove trim (11).

 Observe distance between lever (4) and cutout (12).
Otherwise, the trim (11) may be damaged.

 To do so, move trim (11) at seat frame from catches (14) in alphabetical sequence (arrows B, C, D, E).

10

Loosen trim (15) with  clip remover (arrow F).

11

Remove trim (15).

 To do so, move trim (15) at seat frame from catches (16) in alphabetical sequence (arrows G, H, I).

Shown on wall side

Shown with code UR9 (3-passenger bench seat, comfort, 3rd row), aisle side

12.1

Model 907.6/7 with 3-passenger bench seat, comfort
Partially detach trim (17).

 To do so, release catch hooks (18) at seat frame (arrow J).

12.2

Model 907.6/7 with 3-passenger bench seat, comfort
Partially detach trims (17).

 To do so, release catch hooks (18) at seat frame (arrow J).

13.1

Model 907.6/7 with 3-passenger bench seat, comfort
Remove trim (17).

 To do so, slide trim (17) out of catch (19) (arrow K) and remove from catch hook (20) toward rear.

13.2

Model 907.6/7 with 3-passenger bench seat, comfort
Remove trims (17).

 To do so, slide trims (17) out of catches (19) (arrow K) and remove from catch hooks (20) toward rear.

14

Remove trims (21).

 To do so, remove screws (22) and remove trims (21) upward from seat frame.

15

Remove seat backrest shells (23).

 To do so, remove screws (24) and remove seat backrest shells (23) downward from seat backrest frame.

Shown with code UR9 (3-passenger bench seat, comfort, 3rd row), aisle side

Shown on aisle side

16

Loosen seat backrest cover (8) in working areas (arrows L).

17

Remove covers (25).

 To do so, detach seat backrest padding (7) from seat backrest frame in working areas and remove covers (25) using  long wedge.

 Dispose of covers (25) properly.

18

Fasten seat backrest cover (8) in working areas.

 Ensure that the seat backrest cover (8) and the seat backrest padding (7) are correctly seated.

19

Mark seat backrest cover (8).

 To do so, feel for edges of armrest mountings (26) and apply circular markings with a Ø of approx. 15 mm.

20

Cut into seat backrest cover (8).

 For this, apply circular cutouts (27) along previously-made circular markings using a suitable tool.

21

Install trims (21).

 To do so, mount trim (21) upward at seat frame and screw in screws (22).

22

Install seat backrest shells (23).

 To do so, screw in screws (24).

Shown with code UR9 (3-passenger bench seat, comfort, 3rd row), aisle side

Shown with code UR9 (3-passenger bench seat, comfort, 3rd row), aisle side

23.1

Model 907.6/7 with 2-passenger bench seat, comfort
Install trim (17).

 Make sure that the trim (17) is seated correctly.

23.2

Model 907.6/7 with 3-passenger bench seat, comfort
Install trims (17).

 Make sure that the trims (17) are seated correctly.

24

Install trim (15).

 Make sure that the trim (15) is seated correctly.
Check retaining clips (13) for damage.

If a retaining clip (13) is damaged.



Replace damaged retaining clip (13).

Shown on wall side

25

Install trim (11).

 Observe distance between lever (4) and cutout (12).
Otherwise, the trim (11) may be damaged.

 Make sure that the trim (11) is seated correctly.
Check retaining clips (13) for damage.

If a retaining clip (13) is damaged.



Replace damaged retaining clip (13).

Shown on aisle side

Shown on aisle side

26

Attach release lever trim (10) to lever (4).

27

Install expansion rivet (9).

 Check expansion rivet (9).

If expansion rivet (9) is damaged.



Replace damaged expansion rivet (9).

28

Install grooved pin (5).

29

Install armrests (3).

 It is only possible to install the armrests (3) on the seat backrest frame in one position.

30

Screw in screw/bolts (2)   .

31

Install covers (1).

Shown on aisle side