Insert main- and countershaft with shift unit in support fixture

AR26.50-D-0002-01R

Insert main- and countershaft with shift unit in support fixture

Transmission

711.680/683 in model 909

1

Check sleeves (19, 20) of support fixture (11),  change if necessary.

 Different sleeves (19, 20) need to be used depending on the transmission model. The relevant transmission drawings are specified on the sleeves (19, 20).

2

 Clamp support fixture (11) in vise.

3

Release fastening device (21) and slide support slides (17, 18) outwards up to end stop.

4

Insert main shaft (7) and countershaft (14) into  support fixture (11).

5

Fit intermediate plate (4) on countershaft (14).

6

Slide support slides (17) inwards as far as the end stop and lock with fastening device (21).

 The oil guide ring (22) must sit between the reverse gear idler gear (23) and the 1st gear idler gear (25). The synchronizer ring, cone ring, friction ring and the clutch body (arrow) must sit over the constant-mesh gear (24).

7

Install bearing cap (5) and tighten finger-tight.

 The cams on the outer bearing race (26) must engage in the bearing cap slot (5).

Shown on transmission 711.685

8

Slide shift forks (9, 10) onto guide shaft on the shift fork (8).

Shown on transmission 711.685

9

Insert shift forks (8, 9, 10) with guide shaft into  support fixture (11).

10

Slide the support slide (18) inwards as far as the end stop.

 While doing so, raise the shift forks (8, 9, 10) and uniformly insert into the sliding sleeves (arrows in left figure).

11

Install shift fork (12).

 The shift fork (12) must mesh with the sliding sleeve (arrow in right figure).

Shown on transmission 711.685

12

Shift all shift forks into neutral position.

 The notches in the shift forks (arrow) must be level so that the shift shaft can be installed later.

Shown on transmission 711.685