The vacuum pump is attached to the back of the generator. It is driven by the generator shaft through a drive clutch.
Removing
1. Disconnect the vacuum hose before loosening the clamp.
2. Unscrew and remove the oil pressure hose before loosening the clamp.
3. Turn away bolts of fastening of the vacuum pump and remove the pump with an o-ring.
Installation
1. Check vacuum pump o-ring for damage, otherwise replace.
2. Install the pump with the O-ring and tighten the mounting bolts to 7 Nm.
3. Put some engine oil into the vacuum pump lubrication hole.
4. Connect the fuel outlet hose and secure with a clamp.
6. Connect the oil pressure hose and secure with a clamp.
7. Connect the vacuum hose and secure with a clamp.