Edwards E2MO.7 - Clean the Motor Fan-Cover and Enclosure; Clean and Overhaul the Pump; Fit New Blades; Replace the Capacitor and Test the Motor

Figure 4 Gas-ballast O-ring removal and replacement
1. Gas-ballast control 2. O-ring
3. Filter element
1. Gas-ballast control 2. O-ring
3. Filter element
6.7 Clean the motor fan-cover and enclosure
If the motor fan-cover and enclosure are not kept clean, the air ow over the motor can
be restricted and the pump may overheat.
1. Switch o 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.
6.8 Clean and overhaul the pump
Clean and overhaul the pump as described in the instrucons supplied with the clean
and overhaul kit (see Spares and accessories on page 36).
6.9 Fit new blades
Fit new blades to the pump as described in the instrucons supplied with the blade kit
(see Spares and accessories on page 36).
6.10 Replace the capacitor and test the motor
Replace the capacitor as described in the instrucons supplied with the capacitor kit.
Test the earth (ground) connuity and the insulaon resistance of the pump motor, in
accordance with local regulaons for periodic tesng of electrical equipment. As per our
recommendaon:
▪
The earth (ground) connuity is less than 0.1 W.
▪
Insulaon resistance is greater than 10 MW.
If the motor fails these tests, it motor must be replaced.
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A37132880_F - Maintenance