Name: Edwards CDX1000
Brand: Edwards
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A708-01-880 Issue E

Edwards and the Edwards logo are trademarks of Edwards Limited.

Maintenance

5.8.7 Drain the gearbox vent filter

1. Refer to Figure 1, 2 and 3, detail F. Loosen the nut (29) on the tube fitting and disconnect the vent tube from the

nut.

2. Turn the top of the filter body (30) clockwise (to release the bayonet fitting) and remove the top from the

bottom of the vent filter (3).

3. Inspect the interior of the vent filter (3). If there is oil in the vent filter:

z Undo the M6 bolt and remove the filter element.

z Wait until the oil has drained back into the end cover.

z Refit the filter element and secure with the M6 bolt.

4. Align the bayonet fitting on the top of the filter body (30) with the fitting on the bottom of the vent filter (3),

then press down on the top and turn it anticlockwise to secure the bayonet fitting.

5. Refit the vent tube to the tube fitting and tighten the nut (29).

5.8.8 Fill the gearbox with new oil

1. Place a suitable funnel or nozzle into the gearbox oil filler port.

2. If the oil drained from the gearbox is very discoloured, flush the gearbox with new or clean oil two or three

times, until the oil which drains from the gearbox is clean.

3. Refer to Figure 10. Wipe clean the gearbox oil drain plug (3), then fit a new bonded rubber seal.

4. Fit the oil drain plug and bonded seal (3) to the gearbox.

5. Fill the gearbox through the funnel or nozzle, with the correct grade and quantity of oil. Allow the oil to drain

into the gearbox and then check the level on one of the oil sight-glasses (refer to Section 5.3.1).

6. Remove the funnel or nozzle from the oil filler port and refit the oil filler plug and bonded seal (Figure 1, 2 and

3, item 4) to the gearbox.

7. Dispose of the used oil safely: refer to Section 6.2.

5.9 Flush the pump with cleaning solution

To remove deposits from a pump which has been operating correctly, or freeing a pump which has seized, use the

procedure in this Section.

WARNING

Use a cleaning solution which is suitable for the process materials pumped. If not, there may be a

risk of explosion, or damage to the pump.

WARNING

Shut down the pump and leave the pump for at least 15 minutes to allow any static charges to

dissipate before removing a coupling cover. If not, there may be a risk of explosion if the pump is

installed in a flammable atmosphere.

WARNING

Take care to not get trapped by the rotating mechanisms when fitting a rod (or other tool) to the

drive hub to turn the pump.

Edwards CDX1000 User Manual

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