Vehicles after change point in 1982
REPLACING BEARINGS OF ALL
TRANSMISSION SHAFTS
- Transmission Removed -
A) IInput Shaft, Layshaft in Case Front Section:
Remove case front section 23 11 013.
Drive ball bearing out of and into case with
Special Tools 23 1 190 and 00 5 500.
Important!
Install ball bearing that collar faces out.


Siehe auch 23 11 013
73023123 - click to zoom
 
Pull bearing inner race (1) off of input shaft with
Special Tools 23 1 230 and 00 7 500.

73023124 - click to zoom
 
Installation:
Heat bearing inner race to approx. 80°C
(175°F) with a hot air blower and install on
input shaft.
Important!
Turning lock.
Pin (2) must be in opening of bearing inner
race.

73023125 - click to zoom
 
Drive layshaft roller bearing out and in with
Special Tools 23 1 220 and 00 5 500.
Protrusion A = approx. 5 mm (0.197´´).
Install roller bearing that open end faces in.

73023126 - click to zoom
 
Press bearing inner race (3) off of layshaft with
a screwdriver.

73023127 - click to zoom
 
Installation:
Heat bearing inner race to approx. 80°C
(175°F) and install on layshaft, driving on to
fit tight with Special Tool 23 1 440 if necessary.
Collar of bearing inner race faces gear.

73023133 - click to zoom
 
B) Output Shaft, Layshaft in Case Rear Section:
Remove case rear section 23 11 022.
Lift out radial oil seal.
Remove spacer (2) and bearing inner race (3).


Siehe auch 23 11 022
73023175 - click to zoom
 
Unscrew bolts.
Remove bearing holder.

73023160 - click to zoom
 
Drive out ball bearing with Special Tools
23 1 080 and 00 5 500.

73023130 - click to zoom
 
Drive in ball bearing with Special Tools
23 1 410 and 00 5 500.

73023131 - click to zoom
 
Adjust play between bearing holder and case
rear section with shims.
Mount bearing holder.
Tightening torque*.


Siehe auch * See Specifications
73023161 - click to zoom
 
Pull ball bearing inner race off of output shaft
with Special Tools 23 1 100 and 00 7 500.

73023132 - click to zoom
 
Installation:
Heat ball bearing inner race to approx. 80°C
(175°F) with a hot air blower and slide on to
output shaft.
Important!
Opening in bearing inner race must engage in
ball.
Draw line (1) to make installation of bearing
race easier.

73023112 - click to zoom
 
Heat case rear section to approx. 80°C (175°F)
with a hot air blower.
Lift out roller bearing (2).
Installation:
Insert bearing that large diameter end of plastic
cage faces up.

73023134 - click to zoom
 
Heat case rear section to approx. 80°C (175°F)
with a hot air blower.
Install roller bearing, driving in with Special
Tools 23 1 390 and 00 5 500.

73023135 - click to zoom
 
Bearing inner race (3) can only be pulled off
together with the 5th gear (see 23 21 503).


Siehe auch 23 21 503
73023136 - click to zoom
 
Heat new bearing inner race to approx. 80°C
(175°F) with a hot air blower and install on
layshaft, driving on with Special Tool
23 1 030 if necessary.
Collar of bearing race faces gear.

73023110 - click to zoom
 
C) Output Shaft, Layshaft in Intermediate
Case:
Remove input and output shaft assembly
23 21 503.
Drive roller bearings for input shaft and
layshaft out of intermediate case with Special
Tools 23 1 130 and 00 5 500.
Important!
Unscrew and turn oil plate (1) in case of roller
bearing for output shaft.


Siehe auch 23 21 503
73023137 - click to zoom
 
Drive roller bearings for output shaft and
layshaft into intermediate case with Special Tools
23 1 410 and 00 5 500.
Drive in roller bearings flush.

73023138 - click to zoom
 
Bolt down oil plate (1) in vertical installed
position.

73023051 - click to zoom
 
Check condition of bearing inner race (2) on
output shaft, replacing if necessary.
If replacement is necessary, press gear set off
of output shaft (see 23 21 554).


Siehe auch 23 21 554
73023139 - click to zoom