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7. Remove and clan the pump diaphragm (i.e. white spirit).
> If necessary, blow the inlet and outlet sockets out with
compressed air.
8. Reattach the pump diaphragms with the circlips.
9. Place the pump head on the main gas pump and fasten with the
screws (Torx spanner T 9).
10.Push the inlet and outlet hoses over the sockets on the pump
head.
11.Connect the plug connectors and insert the main gas pump into
the gas measurement block.
7.11.2. Changing the main gas pump
When the main gas pump is changed by the user, the
operating hour meter is not reset. The difference between
the current operating hour reading and the operating hours
from the last pump change serve as an indicator for the
next pump change.
1. Pull the gas pump upwards out of the gas measuring block.
2. Pull the inlet and outlet hoses off the sockets on the pump head
3. Loosen the plug connector and remove the main gas pump.
4. Push the inlet and outlet hoses over the sockets on the pump
head of the new main gas pump.
5. Connect the plug connectors and insert the main gas pump into
the gas measurement block.
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