Edwards Mechanical Booster Vacuum Pump EH 2600 60 Hz

Ensure the correct grade of oil is used and oil levels are correct.

Ensure pump internals are cleaned if converting from hydrocarbon to PFPE oil.

Vent the pump to atmospheric pressure.

Remove the hydrokinetic drive/gearbox oil filler plug.

Vent the pump to atmospheric pressure

Check the hydrokinetic drive/gearbox oil level

Check the gear cover oil level on EH1200, EH2600, and EH4200 models only

Check that all connections are secure

Inspect for corrosion, leaks, and damage

Inspect cooling water pipelines and connections for corrosion, leaks, and damage

Inspect electrical supply cables for damage

Inspect vacuum pipelines for corrosion and damage

Switch off the EH pump and isolate it from the electrical supply.

Vent the EH pump to atmospheric pressure.

Remove the four plastic cover caps from the bearing end cover.

Undo and remove the socket-head screws located under the four plastic cover caps.

Remove the end cover and O-ring. Dispose of the O-ring safely.

Note the exact location of the shims and spacers inside the end cover.