29
Decommissioning
8
Decommissioning
8.1 Shutting down for longer periods
If the turbopump should be shut down for longer than a year:
Î
Remove the vacuum pump from the system, if necessary.
Î
Change the operating fluid reservoir.
Î
Close high vacuum flange of the turbopump.
Î
Evacuate turbopump via the fore-vacuum flange.
Î
Vent turbopump via the venting connection with dry air or inert gas.
Î
Close the flange openings by using the original protective covers.
Î
Close further connection ports by using the corresponding protective covers.
Î
Place pump upright on rubber feet.
Î
Storage the pump only indoors with an ambient temperature between -25 °C
and +55 °C.
Î
In rooms with moist or aggressive atmospheres, the turbopump must be air-see-
led in a plastic bag together with a bag of dessicant.
8.2 Re-starting
Î
Check turbopump for contamination and moisture.
Î
Clean the turbopump externally with a lint-free cloth and little industrial alcohol.
Î
If necessary, have Pfeiffer Vacuum Service clean the turbopump completely.
Î
If necessary, have the bearings replaced. Take into account the total running
time.
Î
Change the operating fluid reservoir.
Î
Installation and commissioning in accordance with the operating instructions
(see p. 9, chap. 5)
.
8.3 Disposal
Products or parts thereof (mechanical and electrical components, operating fluids,
etc.) may cause environmental burden.
Î
Safely dispose of the materials according to the locally applicable regulations.
WARNING
Contamination of parts and operating fluid by pumped media is possible.
Poisoning hazard through contact with materials that damage health.
Î
In the case of contamination, carry out appropriate safety precautions in order to pre-
vent danger to health through dangerous substances.
Î
Decontaminate affected parts before carrying out maintenance work.
CAUTION
Re-starting
The serviceability of the operating fluid without operation is a maximum of three years.
Before restarting after a shut-down of
3 years or longer
, carry out the following work.
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Replace the operating fluid reservoir.
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Replace bearings.
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Follow the maintenance instructions and inform Pfeiffer Vacuum.