Preparing maintenance
► Disconnect the drive motor from the mains.
► Secure the motor against reactivation.
► For maintenance work, only dismantle the vacuum pump to the extent needed.
► Dispose of used operating fluid according to applicable regulations in each case.
► When using synthetic operating fluid, please observe the associated application instructions.
► Only clean the pump parts using industrial alcohol, isopropanol or similar media.
7.2 Checklist for inspection and maintenance
Maintenance frequency and service lives
Maintenance frequency and service lives are process-dependent. Chemical and thermic
loads or contamination reduce the recommended reference values.
● Determine the specific service lives during the first operating interval.
● Consult with Pfeiffer Vacuum Service if you wish to reduce the maintenance frequency.
Maintenance intervals
You can carry out the
inspection
yourself.
We recommend Pfeiffer Vacuum Service for carrying out maintenance work of
Mainte-
nance Level 1
and
Maintenance Level 3
(revision). If the required intervals listed below
are exceeded, or if maintenance work is carried out improperly, no warranty or liability
claims are accepted on the part of Pfeiffer Vacuum. This also applies wherever parts other
than original spare parts are used.
Action
Inspection
Mainte-
nance
level 1
Maintenance
level 3
Required material
described in document
OI
Interval
daily monthly yearly
every 5 years
Inspection
● Check operating fluid
fill level
■
Check the vacuum pump
for leaking operating fluid
■
Maintenance level 1 – changing the operating fluid and filter
● Clean the outside of
the pump housing
● Remove dust from the
air/heat exchanger
■
Changing the operating flu-
id
■
Operating fluid
● Changing the operat-
ing fluid filter
● Change the exhaust
filter
● Change the gas bal-
last valve filter if nec-
essary
■
● Maintenance
set level 1
● Gas ballast filter
(optional)
Maintenance level 3 – overhaul incl. changing all wear parts
● Change bearings,
seals and valves
● Change vanes, option-
al
■
Contact Pfeiff-
er Vacuum Service.
● Set of vanes,
optional
● Overhaul kit
Tbl. 10:
Maintenance intervals
Maintenance
38/64
