Disassemble/assemble transmission housing · ar2640p2002ew · Mercedes-Benz WIS

AR26.40-P-2002EW

Disassemble/assemble transmission housing

12.4.10

TRANSMISSION 711.670 in MODEL 212

Disassemble/assemble transmission housing

D26.40-1157-09

Shown: Transmission 711.660 with housing extension

1 Front section of transmission housing

2 Housing extension (not with transmission 711.670)

3 Rear section of transmission housing (with gear set)

9 Inner bearing race

10 Screw

11 Cap

4 Screw

5 Fitting sleeves

6 Fitting sleeves

7 Roller bearing

8 Input shaft

	Removing
1	Remove transmission		AR26.10-P-0020EWG
2	Fasten transmission on assembly stand		AR26.10-P-0036EW
3	Remove central clutch release bearing		AR26.40-P-0345EW
	Disassemble
4	Pierce the cap (11) in the center and lever out pry out	 When removing do not attach the lever between the cap (11) and its seat. If the seat is damaged the front section of the transmission housing (1) must be replaced.
5	Engage gear, counterhold drive shaft (8) with  retainer wrench and remove bolt (10)		*716589000900
6	Remove bolts (4)
7	Remove front section of transmission housing (1).		AR26.40-D-2470-01A
			*711589023300
8	Remove drive side inner bearing race (9)	 The inner bearing race of the countershaft bearing is divided into two halves. The bearing race on the output side is mounted on the countershaft.
9	Remove roller bearing (7) from main shaft, check for condition and replace if necessary
	Assemble
10	Clean sealing surfaces of transmission housing parts	 The sealing surfaces must be grease-free.
		Cleaner from package	*BR00.45-Z-1028-04A
11	Apply sealant evenly to sealing surface of front section of the transmission housing (1)	Sealant	*BR00.45-Z-1015-01A
12	Slide roller bearing (7) onto main shaft
13	Attach front section of transmission housing (1) to main shaft and countershaft
14	Assembly fitting sleeves (6) and install front section of transmission housing (1)		AR26.40-D-2470-08A
			*711589024300
			*711589023300
15	Tighten bolts (4) evenly in a diagonal pattern		*BA26.40-P-1007-01E
16	Insert drive side inner bearing race (9)
17	Engage gear, counterhold drive shaft (8) using  retainer wrench and tighten bolt (10)		*BA26.50-N-1005-01D
			*716589000900
18	Install new cap (11)	 The cap (11) must seal flush and make contact evenly all-round.
			*124589051500
	Install
19	Install central clutch release bearing		AR26.40-P-0345EW
20	Detach transmission from assembly stand
21	Install transmission		AR26.10-P-0020EWG

 Housing

Number	Designation		Trans-mission 711.67


BA26.40-P-1007-01E	Bolt, transmission housing front section to transmission housing rear section	Nm	28

 Gear set, shafts

Number	Designation			Trans-mission 711.670


BA26.50-N-1005-01D	Bolt, countershaft to countershaft bearing	M141.5	Nm	-
		M181.5	Nm	100

711 589 02 33 00

Insertion tool

Extraction tool

Drift

Retainer wrench

124 589 05 15 00

711 589 02 43 00

716 589 00 09 00

Repair materials

Number	Designation	Order number
BR00.45-Z-1028-04A	Cleaner from package	Adolf Würth GmbH & Co. KG Reinhold-Würth-Str. 12-17 74653 Künzelsau-Gaisbach Germany Tel. +49 7940 15-0 Fax +49 7940 15-1000 www.wuerth.de
BR00.45-Z-1015-01A	Loctite 5203 sealant	A 002 989 71 20 10

Referenced documents

ar2610p0020ewg Remove/install transmission
ar2610p0036ew Fasten transmission on assembly stand
ar2640d247001a Detach front section of transmission housing
ar2640d247008a Install front section of transmission housing
ar2640p0345ew Remove/install central clutch operator