BOC E2M28, Instruction Manual

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E2M28 and E2M30 Rotary Vacuum Pumps
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Issue K 32 Jul 05
5.6 Clean the gas-ballast filter
Note: You may have removed the gas-ballast filter to connect a gas supply or valve to the gas-ballast inlet.
Refer to Figure 11.
1. Remove the retainer circlip (3).
2. Remove the protective wire mesh (2) and filter elements (1).
3. Wash the wire mesh and filter in a suitable cleaning solution. Allow the wire mesh and filter to dry
before replacing them in the pump.
4. Refit the wire mesh (2) and filter element (1) in the adaptor plate housing and retain with the
retainer circlip (3).
Figure 11 – Remove/replace the gas-ballast filter
1. Filter element
2. Wire mesh
3. Retainer circlip