Maintenance
3.7.2 Remounting the Pump Module
When installing a new pump module, it is also advisable
to use a new gasket (13/3).
Check the coupling element (13/4) for damage; if
necessary, install a new one.
Use the tie rods supplied with the new pump module only
if the old ones are damaged. To do so, unscrew the old
tie rods with lock nuts, and screw in the new ones. With
the aid of the lock nuts, tighten the tie rods.Then remove
the lock nuts.
Push the gasket (13/3) onto the tie rods (13/5), push the
coupling element (13/4) onto
one coupling half.
Push the entire pump module (new or repaired) onto the
tie rods.
Screw on the hex. nuts (13/1) and carefully cross-tighten
them (torque 17 Nm).
Mount the oil case together with the gasket (see Section
3.4).
Fill in oil.
3.8 Leybold Service
If a pump is returned to Leybold, indicate whether the
pump free of substances damaging to health or whether
it is contaminated. If it is contaminated also indicate the
nature of the hazard. For this you must use a form which
has been prepared by us which we will provide upon
request.
A copy of this form is reproduced at the end of these
Operating Instructions: “Declaration of Contamination of
Vacuum Instruments and Components”.
Please attach this form to the pump or enclose it with the
pump.
This “Declaration of Contamination” is required to meet
German Law and to protect our personnel.
Leybold must return any pumps without a “Declaration of
Contamination” to the sender’s address.
The pump must be packed in such a way,
that it will not be damaged during shipping
and so that any contaminants are not
released from the package.
21
Fig. 13 Removing and remounting the pump module
Key to Fig. 13
1 Hex. nuts
2 Pump module
4 Gasket
5 Coupling element
6 Tie rods
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