Spur Gear and Center Differential Bearing, Servicing
Spur Gear and Center Differential Bearing, Servicing
Special tools, testers and auxiliary items required
• Thrust Plate (VW 401)
• Thrust Plate (VW 402)
• Punch (VW 408 A)
• Thrust Disc (VW 412)
• Thrust Pad (VW 447 H)
• Thrust Pad (VW 511)
• Sleeve (40 - 103)
• Thrust Piece (40 - 105)
• Thrust Pad (3005)
• Press Support-R & Wheel Brg's. (3144)
• Tube (3296)
• Assembly Tool (3301)
• Alignment Fixture (3347)
• Thrust Piece (3412)
• - 1 - Internal Puller (Kukko 21/7)
• - 3 - Separating Tool (Kukko 17/2)
• - 4 - Counter-Support (Kukko 22/2)
• Three Arm Puller (Kukko 45-2)
1 Output Shaft
2 Transmission Cover
3 Outer Race / Tapered Roller Bearing
• Removing and installing - 5 - => [ Outer Race / Tapered Roller Bearing ] Transmission Cover
4 Inner Race / Tapered Roller Bearing
• Transmission cover side
• Pressing off
• Pressing on
5 Needle Bearing
• Spur gear bearing on the output shaft
6 Spur Gear
• Side shaft drive wheel
7 Inner Race / Tapered Roller Bearing
• Gear carrier side
• Pressing off
• Pressing on
8 Outer Race / Tapered Roller Bearing
• Removing
• Installing
9 Adjustment Shim
• For the spur gear tapered roller bearing, bearing pre-load - 6 -
• Determining thickness, refer to => [ Spur Gear Tapered Roller Bearing Pre-Load, Determining ] Spur Gear Tapered Roller Bearing Pre-Load, Determining
10 End Shield
11 Spacer Sleeve
12 Adjustment Shim
• For positioning the center differential
• Determining thickness, refer to => [ Adjusting Shim S for Positioning Center Differential, Determining ] Adjusting Shim S6 For Positioning Center Differential, Determining
13 Small Ball Bearing
• For the center differential
• Pulling out
• Installing
14 Center Differential
• Service by manufacturer only
15 Large Ball Bearing
• For the center differential
• Pulling off
• Pressing on
Removing the Inner Race / Tapered Roller Bearing from the Spur Gear
A Separating device 22 to 115 mm, for example (Kukko 17/2)
• Both gear wheel tapered roller bearing inner races are removed in the same way.
• Inner- and outer race of tapered roller bearing are paired. Do not interchange!
Installing the Inner Race / Tapered Roller Bearing (Transmission Cover Side) on the Spur Gear
Installing the Inner Race / Tapered Roller Bearing (Gear Carrier Side) on the Spur Gear
Removing the Outer Race / Tapered Roller Bearing from the Gear Carrier
Installing the Outer Race / Tapered Roller Bearing - A - in the Gear Carrier
Removing the Small Ball Bearing - C - from the Center Differential
A Support, for example (Kukko 22/2)
B Internal puller 37 to 46 mm, for example (Kukko 21/6)
Installing the Small Ball Bearing - A - in the Center Differential
Removing the Large Ball Bearing - B - from the Center Differential
- Install the (VW 447 H) with the small diameter in the center differential.
- Place the (40 - 105) on it.
A Three arm puller, for example (Kukko 45-2)
Installing the Large Ball Bearing - A - on the Center Differential
