Removing and installing three-phase generator
Note: It is not necessary to remove the gearshift linkage, gearbox and clutch slave cylinder.
- Raise the frame.
Removing gearbox
![](https://motoinstruction.ru/img/bmw/21/127181.jpg)
- Remove the three securing screws (1).
- Pull the three-phase generator off the intermediate flange.
- Installation is the reverse of the removal procedure: pay particular attention to the following.
Note: Apply tyre mounting paste or similar to the rubber dampers; do not use oil or grease.
Use a hex socket with universal joint to tighten the bottom securing screw (arrow), increase tightening torque by approx. 10 %.
Tightening torque:
- Generator to intermediate flange — 20 Nm
- Screw for cable B+ — 10 Nm
- Screw for cable D+— 2 Nm
Disassembling the three-phase generator
Removing and installing drive housing
![](https://motoinstruction.ru/img/bmw/21/127182.jpg)
- Take out rubber dampers (2).
![](https://motoinstruction.ru/img/bmw/21/127183.jpg)
- Hold drive housing (4) with retaining device, BMW No. 124600, to prevent it from turning, slacken screw (3) and remove it together with the spring washer.
- Remove the drive housing (4).
- Installation is the reverse of the removal procedure.
Tightening torques:
- Drive housing — 50 Nm
- Screw for cable B+ — 10 Nm
- Screw for cable D+ — 2 Nm
Removing and installing voltage regulator
![](https://motoinstruction.ru/img/bmw/21/127184.jpg)
- Remove screws (2).
- Carefully open clips (1, 3, 4) and remove the housing cover.
![](https://motoinstruction.ru/img/bmw/21/127185.jpg)
- Remove the retaining screws (arrows).
- Remove voltage regulator (5) with carbon brushes.
- Installation is the reverse of the removal procedure.