Clean The Gas-Ballast Filter; Clean The Motor Fan-Cover And Enclosure; Clean And Overhaul The Pump; Remove/Replace The Gas-Ballast Filter - Edwards E2M28 Instruction Manual

A373-10-880 Issue T
5.6

Clean the gas-ballast filter

Note: The gas-ballast filter may have been removed to connect a gas supply or valve to the gas-ballast inlet.
Refer to Figure 9.
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).
5.7

Clean the motor fan-cover and enclosure

If the motor fan-cover and enclosure are not kept clean, the air-flow over the motor can be restricted and the pump
may overheat.
1. Switch off the pump and disconnect it from the electrical supply.
2. Use a dry cloth and a brush to remove dirt and deposits from the fan-cover and enclosure.
5.8

Clean and overhaul the pump

Clean and overhaul the pump as described in the instructions supplied with the clean and overhaul kit
(refer to Section 7.3).
Page 28
Figure 9 - Remove/replace the gas-ballast filter
1. Filter element
2. Wire mesh
3. Retainer circlip
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