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A419-00-880 Issue K
6
Maintenance
WARNING
There are
no user serviceable
parts
within the
EPX.
There
is
no
requirement to
remove the covers
from the pump
during
normal operation. Removing
the covers could cause injury to
people or
damage to
equipment.
WARNING
Toxic, flammable and
corrosive
chemicals
may
be
present within the
pump enclosure. Ensure
that
the
appropriate Personal Protective Equipment
(PPE) is worn when carrying out
any maintenance
tasks.
WARNING
Apply
an external purge for a period of
30
minutes
before
disconnecting
the
EPX pump
from
the
system
when used
on
applications
with the
potential for hazardous process by-product
or
gas to
dwell
within
the pump body. The nitrogen
supply
should be locked and
tagged
out prior to removal.
WARNING
There are no user
serviceable
parts
within the
EPX pump.
Metal covers
must not be
removed
from
the pump; to do
so may
cause damage to the pump and injury to personnel
and would
invalidate
the declaration
of conformity
and the warranty.
Qualified
Edwards service
personnel
should
allow
4 minutes after the isolation of power before removing any
covers.
Purge the pump for 30 minutes with nitrogen before removing the power.
•
There
are
no user serviceable
parts
in the
EPX
pump
mechanism,
electric
motor or electrical controls.
Attempting to remove the pump rotor, separate the motor
from
the pump or remove
electrical
covers can
cause injury to people or damage to
equipment.
•
It is recommended that all maintenance and service operations are carried out by
qualified Edwards
Service
Personnel,
excepting:
•
Connection and inspection of pipelines and connections to foreline and
exhaust.
Routine external cleaning.
Connection and disconnection to electrical power. Connection and disconnection of
electrical
signals.
©
Edwards Limited 2017. All rights reserved.
Page 57
Edwards and the Edwards
logo
are trademarks of
Edwards
Limited.
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