2.
Remove the oil drain plug.
The oil will drain from the pump.
3.
Replace the oil drain plug.
Follow the steps below to replace the oil filter:
4.
Remove the old oil filter.
5.
Insert a new oil filter.
Follow the steps below to add oil to the pump. You can follow these steps after all oil has been
removed, but also to refill oil.
6.
Remove the oil filler plug.
7.
Add oil until the oil level is between the minimum and maximum levels.
8.
Replace the oil filler plug.
7.7.3 Replacing the Oil Exhaust Filter
The oil exhaust filter prevents oil vapours from being emitted from the vacuum pump with the
exhaust air. If the filter becomes saturated, the maximum vacuum level can no longer be reached.
Replace the filter in case of vacuum problems or as specified in the Maintenance Schedule on
page 54.
Figure 19: Replacing the Oil Exhaust Filter
Follow the steps below to remove the old oil exhaust filter:
1.
Remove the filter cover (4) of the vacuum pump (1) and put it aside.
2.
Remove the leaf spring (3) and put it aside.
3.
Remove the old filter (2).
Follow the steps below to install a new oil exhaust filter:
4.
Insert the new filter into the vacuum pump.
Make sure the O-ring is properly placed on the filter inlet.
5.
Mount the leaf spring placed aside.
Maintenance 60