Input Shaft
Special tools and workshop equipment required
- Thrust Plate VW 401
- Thrust Plate VW 402
- Punch VW 407
- Punch VW 408 A
- Thrust Disc VW 412
- Thrust Tube VW 454
- Thrust Tube VW 455
- Sleeve VW 519
- Press Tube 2040
- Pressure Washer 3074
- Kukko Extractor 37-46 mm 21/5
- Kukko Puller 65-160 mm 18/1
- Kukko Separating Tool 22-75 mm 17/1
- Kukko Separating Tool 22-115 mm 17/2
- Kukko Support 22/2
- Feeler Gauge
A - Support, for example 22/2
B - Extractor 37-46 mm, for example 21/5
-- Install the roller bearing seal.
-- Clamp the input shaft in a vise. Use jaw protectors -C-.
A - Puller, for example 18/1
B - Separating tool 12-75 mm, for example 17/1
The roller bearing inner race can also be removed with the 4th gear. Refer to Fig 4.
- 4th gear installed position: the high inner collar -arrow- faces the pressing tool.
-- Install the locking ring.
A - Separating tool 22-115 mm, for example 17/2
-- Remove the locking ring.
| -A- = Brass Synchronizer Ring | ||
|---|---|---|
| Gap dimension -a- | Installed dimension | Wear limit |
| 5th and 6th gear | 1.0 to 1.7 mm | 0.5 mm |
| -B- = Steel Synchronizer Ring | ||
|---|---|---|
| Gap dimension -a- | Installed dimension | Wear limit |
| 5th and 6th gear | 1.3 to 2.4 mm | 0.8 mm |
-- Press synchronizer ring onto taper of the gear and measure gap dimension -a- using a feeler gauge.
- Spring
- Locking piece
- Locking collar
- Synchronizer hub
-- Slide the locking collar over the synchronizer hub.
The notches for the locking pieces on the synchronizer hub and locking collar must line up with each other.
The locking collar is pushed over the synchronizer hub.
-- Install the locking pieces and springs offset by 120°. The angled end of the spring must engage into the hollow locking piece.
The high inner collar of the synchronizer hub -arrow- points to 5th gear.
-- Install the needle bearing.
-- Install the 5th gear, the waved washer and the synchronizer ring.
-- Install the locking ring.
-- Install the needle bearing.
-- Install the 6th gear, the waved washer and the synchronizer ring.
- Grooved ball bearing installed position: the groove for the seal points upward -arrow A- and the shoulder -arrow B- must point to the 6th gear.