Disassemble and assemble main shaft

AR26.50-D-0420G

16.6.09

TRANSMISSION 711.660 in MODEL 906.1 /2 /6 /7 with ENGINE 642.992, 646.985 /986 /989

TRANSMISSION 711.670 in MODEL 204 with ENGINE 642, 651

TRANSMISSION 711.670 in MODEL 207 with ENGINE 651

D26.50-1226-09

Transmission 711.660 shown

1 Synchronizer unit of reverse gear

2 Synchronizer ring

3 Reverse gear idler gear

4 Reverse gear needle roller bearing

5 Bearing bushing of reverse gear

6 Thrust plate

7 1st gear idler gear

8 1st gear needle bearing

9 1st gear bearing bushing

10 Friction ring

21 Main shaft

22 Oil baffle

23 6th gear needle bearing

24 6th gear idler gear

25 Clutch body

26 Synchronizer ring

27 5th/6th gear synchronizer unit

28 Synchronizer ring

29 Clutch body

30 Circlip

11 Cone ring

12 Synchronizer ring

13 1st/2nd gear synchronizer unit

14 Synchronizer ring

15 Cone ring

16 Friction ring

17 2nd gear idler gear

18 2nd gear needle bearing

19 Thrust plate

20 Roller bearing of intermediate plate

	Removing
1	Remove the transmission	Model 906	AR26.10-D-0020G
		Model 204	AR26.10-P-0020SA
		Model 207	AR26.10-P-0020CWA
2	Attach transmission to assembly stand		AR26.10-D-0036A
3	Remove the central clutch release bearing	Model 906	AR25.20-D-0180SD
		Model 204, 207	AR26.40-P-0345CW
4	Disassemble transmission housing		AR26.40-D-2002D
5	Remove main shaft (21)		AR26.50-D-0002A
	Disassemble
6	Disassemble main shaft (21)	Transmission 711.660	AR26.50-D-0420-14H
			*000589653300
			*000589873300
			*711589014000
		Transmission 711.670	AR26.50-P-0420-14HA
			*000589653300
			*000589873300
			*000589523700
 	Clean and check
7	Clean components and check for wear and damage	 Replace components if necessary.
	Assemble
8	Assemble main shaft (21)	Transmission 711.660	AR26.50-D-0420-15H
			*BE26.50-N-1007-01D
			*198589033900
			*711589001500
			*711589013700
			*711589071500
			*711589171500
			*716589023300
		Transmission 711.670	AR26.50-P-0420-15HA
			*BE26.50-P-1001-01D
			*BE26.50-P-1002-01D
			*711589161500
			*711589171500
			*711589001500
			*711589071500
			*124589013500
			*711589013700
	Install
9	Install main shaft (21).		AR26.50-D-0002A
10	Attach gear set with rear section of transmission housing to assembly stand		AR26.10-D-0036A
11	Assemble transmission housing		AR26.40-D-2002D
12	Install central clutch release bearing	Model 906	AR25.20-D-0180SD
		Model 204, 207	AR26.40-P-0345CW
13	Detach transmission from assembly stand
14	Install transmission	Model 906	AR26.10-D-0020G
		Model 204	AR26.10-P-0020SA
		Model 207	AR26.10-P-0020CWA

Gear set adjustment values

Number	Designation			Transmission 711.660


BE26.50-N-1007-01D	Protrusion, measuring drift for determining the package dimensions	"A"	mm	39.97...40.03

Test values for gear set

Number	Designation		Transmission 711.670


BE26.50-P-1001-01D	Test dimension "A"; upper measuring surface on test mandrel up to contact surface of synchronizer unit 1st./ 2nd. gear on test mandrel	mm	150,6
BE26.50-P-1002-01D	Package dimension "B"; upper measuring surface on test mandrel up to clutch body for reverse gear	mm	39.97...40.03
		See picture	AR26.50-P-0420-15HA