Service The Epx Pump - Edwards EPX HiVac Series Instruction Manual

A419-00-880 Issue F
6.5

Service the EPX pump

The service interval for the EPX series of dry pumps is shown in
manual and must be carried out by qualified Edwards Service personnel: contact your supplier or Edwards to arrange
a major service.
For removal of the pump for maintenance refer to
Operation
Inspect the pipelines and connections Annually or as part of a preventative maintenance
Cleaning the pump
Service the EPX L/LE pump
Service the EPX N/NE pump
Service the EPX TWIN pump (all
variants)
*
Main factors that will affect the service intervals of the EPX pump are:
The ambient temperature in which the pump runs - Higher ambient temperatures will result in shorter
service intervals (refer to
The temperature and flow rate of the cooling water delivered to the pump - higher water temperatures and
a lower flow rates will result in shorter service intervals (refer to
Rapidity of cycling - rapid cycling applications will result in shorter service intervals
Application - processes that require a Nitrogen purge (EPX N-series pumps) will typically result in shorter
service intervals
Page 58
Section 7.
Table 16 - Maintenance plan
Frequency
schedule
Annually or as part of a preventative maintenance
schedule
Pump service requirements are largely determined by
the pump's operating environment and application.
Service intervals range from 2 to 5 years
contact your local Edwards service representative for
further advice on a suitable maintenance schedule.
Table 6 for the ambient operating temperature range)
Edwards and the Edwards logo are trademarks of Edwards Limited.
Table 16. Major service is outside the scope of this
*
. Please
Table 9 for cooling water supply details)
© Edwards Limited 2007. All rights reserved.
Refer to
Section
6.3
6.4
6.5