Remove/install main shaft and countershaft with shift unit

AR26.50-D-0002R

30.05.2018

Transmission

711.680/683 in model 909

Modification notes

17.05.2018	Bolt, bearing cap to intermediate plate	Transmission 711.680	BA26.40-N-1025-01A
17.05.2018	Bolt, intermediate plate to transmission housing rear section	Transmission 711.680	BA26.40-N-1021-01A

Remove/install main shaft and countershaft with shift unit

D26.50-1310-09

1	Nut	5	Bearing cap	13	Inner bearing race
2	Output flange	6	Bolts	14	Countershaft
3	Rear section of transmission housing	7	Main shaft
4	Intermediate plate	11	Support fixture

 Caution	Risk of injury to skin and eyes due to handling of transmission oil. Health risk caused by swallowing transmission oil	Wear protective gloves, protective clothing and safety glasses. Do not pour transmission oil into beverage bottles.	AS00.40-Z-0001-01A
 Caution	Risk of injury caused by scraping or cutting body parts on sharp vehicle parts	Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. Deburr repair panels.	AS00.00-Z-0017-01A
	Remove
1	Remove transmission and secure to assembly stand.		AR26.10-D-0036R
2	Remove front section of transmission housing.		AR26.40-D-2002R
3	Remove gearshift shaft.		AR26.60-D-6500R
4	Remove inner bearing race (13).		AR26.50-D-4775-04R
		 Puller	*001589503300
		 Drift	*716589021500
		 Extraction tool	*711589023300
5	Insert gear set with rear section of transmission housing (3) into support fixture (11).		AR26.40-D-2475-07R
		 Support fixture	*711589034000
6	Unscrew nut (1) and remove output flange (2).		AR26.40-D-2475-03R
		 Puller	*000589653300
		 Socket wrench bit	*000589750900
		 Pin wrench	*901589000700
7	Remove rear section of transmission housing (3) from gear set.		AR26.50-D-0002-03R
		 Puller	*711589033300
8	Remove bolts (6) then remove intermediate plate (4) with bearing cap (5).		AR26.40-D-0330-08R
		 Support fixture	*711589014000
9	Remove main shaft (7) and countershaft (14) with shift unit of support fixture (11).		AR26.50-D-0002-02R
		 Support fixture	*711589034000
10	Remove radial shaft sealing ring and the bearing of the main shaft (7) from the transmission housing rear section (3).		AR26.40-D-2476R
		 The radial shaft sealing ring and the bearing must always be replaced.
	Install
11	Install new bearing and new radial shaft sealing ring for the main shaft (7) into transmission housing rear section (3).		AR26.40-D-2476R
12	Insert main shaft (7) and countershaft (14) with shift unit into support fixture (11).		AR26.50-D-0002-01R
		 Support fixture	*711589034000
13	Install transmission housing rear section (3) onto gear set.		AR26.50-D-0002-04R
		 Nut, output flange to main shaft	*BA26.50-N-1001-01D
		 Socket wrench bit	*000589750900
		 Pin wrench	*901589000700
14	Fix transmission housing rear section (3) together with gear set into place on assembly stand.		AR26.10-D-0036R
15	Install intermediate plate (4).		AR26.40-D-0330-09R
		 Screw/bolt, bearing cap to intermediate plate	*BA26.40-N-1025-01A
		 Screw/bolt, intermediate plate to transmission housing rear section	*BA26.40-N-1021-01A
16	Install inner bearing race (13).		AR26.50-D-4775-04R
		 Drift	*716589021500
17	Install gearshift shaft.		AR26.60-D-6500R
18	Install transmission housing front section.		AR26.40-D-2002R
19	Remove transmission from assembly stand and install.		AR26.10-D-0036R

 Transmission housing

Number	Designation		Transmission 711.680	Transmission 711.683 in model 909
BA26.40-N-1021-01A	Screw/bolt, intermediate plate to transmission housing rear section	Nm	33	33

 Transmission housing

Number	Designation		Transmission 711.680	Transmission 711.683 in model 909
BA26.40-N-1025-01A	Screw/bolt, bearing cap to intermediate plate	Nm	50	50

 Gear set, shafts

Number	Designation				Transmission 711.680	Transmission 711.683
BA26.50-N-1001-01D	Nut, output flange to main shaft	M12x1.5		Nm	-	-
		M24x1.5	Stage 1	Nm	-	-
			Stage 2	Nm	-	-
			Stage 3	Nm	-	-
		M26x1.5	Stage 1	Nm	200	200
			Stage 2, loosen	Nm	-	-
			Stage 3	Nm	160	160