The vacuum pump is located on the back of the generator. It is driven from the generator shaft through the driven disk.
Removing
1. Remove the vacuum pipeline after loosening the clamp.
2. Unscrew the oil supply line. Disconnect the oil return line by first loosening the clamp.
3. Unscrew the screws securing the vacuum pump and remove the pump from the O-ring.
Installation
1. Check the O-ring of the vacuum pump for damage and replace if necessary.
2. Install the vacuum pump with seal and tighten the mounting bolts with force 7 Nm.
3. Pour some engine oil into the vacuum pump hole.
4. Put on the oil return line and secure with a clamp.
5. Install and tighten the oil supply line.
6. Install the vacuum line and secure with a clamp.