Edwards XDS100B, Instruction Manual

Page: 26 / 34

A732-01-880 Issue A
Page 20 © Edwards Limited 2010. All rights reserved.
Edwards and the Edwards logo are trademarks of Edwards Limited.
Maintenance
5.2 Maintenance plan
More frequent maintenance may be required if the pump is used to pump aggressive gases and vapours, such as
solvents, organic substances and acids, or if the pump is operated continuously at the higher end of its operating
temperature range.
5.3 Inspect and clean the inlet strainer
Whenever you disconnect the pump from your vacuum system, we recommend that you:
z
Remove any debris trapped by the inlet strainer (in the inlet port).
z
Inspect the inlet strainer and if necessary, clean it with a cleaning solution suitable for the substances
pumped. Refit the inlet strainer before you reconnect the pump to your vacuum system.
1. Refer to Figure 5 . Disconnect your vacuum system from the pump inlet-port (3) and remove the centring-ring
and strainer assembly (1) and the O-ring (2). Inspect the centring-ring and the O-ring. If they are clean, continue
at Step 5. If they are not clean, continue at Step 2.
2. Remove the O-ring (2) from the centring-ring and strainer assembly (1). Do not allow the O-ring to come into
contact with the cleaning solution.
3. Wash the centring-ring and strainer assembly in a suitable cleaning solution and allow it to dry.
4. If necessary, wipe the O-ring with a clean, dry, lint-free cloth.
5. Refit the centring-ring and strainer assembly and the O-ring to the inlet-port. Refit your vacuum system to the
pump inlet-port.
Table 9 - Maintenance plan
Operation Frequency Refer to Section
Inspect and clean inlet strainer Annually 5.3
Clean the external fan cover Annually 5.4
Replace the tip seal Annually or as required 5.5
Test the motor / drive condition 15000 hours 5.6
Replace the bearings 35000 hours Refer to Edwards