9
➡
Fill up pump with fresh operating fluid: filling level - upper
end of sight glass 5.
If this amount of operating fluid is filled in, the level is
extremely high but this is necessary to protect all parts of the
pump against corrosion.
Before operating, the operating fluid must be
reduced to its normal level.
6.2. Shutting Down For Longer Periods
Should the pump have to be shut down for an longer period,
the complete pumping system must be adequately protected
against corrosion.
➡
Switch off pump.
➡
Unscrew operating fluid drain screw 4 and drain operating
fluid as per Section 6.1.
➡
Screw in operating fluid drain screw 4; keep an eye on the
position of the O-ring 49.
➡
Allow pump to run for about 10 seconds with open vacuum
flange .
➡
Drain off remaining operating fluid.
V
7. Service
Do Make Use Of Our Service Facilities
In the event that repairs are necessary a number of options
are available to you to ensure any system down time is kept
to a minimum:
– Have the pump repaired on the spot by our Service
Engineers;
– Return the pump to the manufacturer for repairs;
– Replace with a new value pump.
Local PFEIFFER representatives can provide full details.
Before returning:
➡
Please attach a clearly visible notice "Free of harmful
substances" (both on the unit and also on the delivery note
and any accompanying letters).
"Harmful substances" are substances and preparations as
defined in the current harmful substances regulations and in
the U.S.A. as ”materials in accordance with the Code of
Federal Regulations (CFR) 49 Part 173.240 Definition and
Preparation“.
We will carry out the decontamination and invoice this work
to you if you have not attached this note. This also applies
where the operator does not have the facilities to carry out
the decontamination work. Units which are contaminated
microbiologically, explosively or radioactively cannot be
accepted as a matter of principle.
Fill Out The Declaration Of Contamination
➡
In every case the "Declaration Of Contamination" must be
completed diligently and truthfully.
➡
A copy of the completed declaration must accompany the
unit: any additional copies must be sent to your local
PFEIFFER Service Center.
Please get in touch with your local PFEIFFER representatives
if there are any questions regarding contamination.
Decontaminate units before returning or
possible disposal. Do not return any units which
are microbiologically, explosively or radioactive-
ly contaminated.
Returning Contaminated Units
If contaminated have to be returned for maintenance/repair,
the following instructions concerning shipping must be
followed:
➡
Neutralise the pump by flushing with nitrogen or dry air.
➡
Seal all openings to the air.
➡
Seal pump or unit in suitable protective foil.
➡
Ship units only in appropriate transport containers.
Please Note:
Repair orders are carried out according to our general condi-
tions of sale and supply. If repairs are necessary, please send
the unit to your nearest PFEIFFER Service Center.
Contact Addresses And Service Hotline
Contact addresses and telephone numbers can be found on
the back cover of these operating instructions.
