Maintenance Instructions
9.12.14
Kapitel/Chapter 9: Maintenance Instructions - Seite/Page 125
9.12 Replacement of the oil-cooled backend bearing
A bearing replacement should only be executed by a trained professional.
9.12.1 Exchange oil-cooled bearing
Warning!: Automatic start
DANGER TO LIFE! - Inappropriate handling can lead to
health damages or death.
The battery bank must always be disconnected (first negative
pole, then plus pole), to ensure that the generator can not be
started by accident when operations at the generator itself or
its electrical system shall be executed.
9.12.2 Demounting the bearing
Fig. 9.12.2-1: 3. Oil suction
Suction or discharging the oil
It is difficult to access the drain screw.
Therefore we recommend to withdraw the oil by suction by
means of a gun/syringe plus hose (from tool package). Let
the generator warm up 3-5 minutes, so the oil gets thinner.
Unscrew the ventilation screw (Tool: Allen wrench SW6)
Fig. 9.12.2-2: Oil suction (with syringe)
Inserting the hose through the ventilation screws’ tap
hole.
Extract the oil.
