7.2 Maintenance instructions for magnetic coupling
WARNING
Danger of injury from strong magnetic field
There is a risk of injury for people with pacemakers and medical implants.
► Make sure that such individuals do not enter the sphere of influence (≤ 2 m) of the magnetic field.
► Identify rooms in which magnetic couplings are openly accessible with the symbol: "
No access
for people with pacemakers
".
► Always keep disassembled couplings away from computers, data carriers, and other electronic
components.
This safety note applies to
drive system disassembly
in pump versions with magnetic coupling.
7.3 Checklist for inspection and maintenance
Pfeiffer Vacuum recommends that all maintenance work is carried out by the manufacturer’s service de-
partment.
No warranty or liability claims are accepted on the part of Pfeiffer Vacuum, if you
● exceed the required, listed intervals
● perform improper maintenance work
● do not use original spare parts
Reduced maintenance intervals
Depending on the operating conditions, the required maintenance intervals can be shorter than the ref-
erence values specified.
► Contact
Spare parts
You can find the corresponding spare parts in the chapter "Spare parts packages" .
Action
described in document (OI or
MM)
Inspec-
tion
OI
Mainte-
nance lev-
el 1
OI
Mainte-
nance
level 2
MM
Mainte-
nance
level 3
MM
Required
material
Interval
daily
≤ yearly
≤ 2 years
≤ 4 years
Inspection
Visual and acoustic pump check
Check operating fluid:
● Check fill level
● Check color (contamination)
● Check vacuum pump for leaks
■
Check accessories (in accordance
with operating instructions)
■
Maintenance level 1 – operating fluid replacement
Clean the outside of the vacuum
pump:
● Pump housing
● Clean motor fan cap
Change the operating fluid
■
as required
Operating
fluid
1)
Mainte-
nance kit 1
Additional activities:
● Remove cap
● Clean inside of cap and out-
side of pumping system (with-
out cleaning agent)
● Remove and clean gas ballast
valve, replace wearing parts
■
as required
1)
Operating fluid is required for all activities. Order operating fluid separately.
Maintenance
35/60
