Pfeiffer Vacuum A 1204H, Operating Instructions Manual

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Maintenance
● Ensure that the maintenance technician is trained in the safety rules concerning
pumped gases.
● Surrounding lighting in maintenance area must be sufficient to work or make mainte-
nance on the pump: higher than 300 lux.
● Allow the product to cool down before removing the covers for maintenance.
● Disconnect the mains cable on the product from all sources of power before carrying
out any work on the product.
● Wait 5 minutes after switching off the electricity supply before carrying out any opera-
tions on the electrical components.
● Route and secure cables, hoses and pipework to avoid any possible risk of trips.
● Wear suitable protective equipment and dismantle the product in a ventilated area or
under a ventilated hood.
● Collect the residues from the processes and call in a competent organisation to de-
stroy them.
● Always protect the inlet and exhaust surfaces.
● Seal the inlet and exhaust orifices and pressurize the pump using nitrogen (see 9.5.3) .
9.1.1 How to contact us
Personnel trained by the manufacturer must perform the overhaul. Contact your nearest
service center at the following e-mail address: support.service@pfeiffer-vacuum.fr
9.2 Maintenance frequency
Depending on the maintenance parameter programmed, when the operating time before
maintenance has expired, the screen display alternates between operating parameters
and the corresponding warning message. The indicator light
Warning is lit on front panel
(see 4.2) . This information can be read at any time using the [MAINTENANCE] menu.
In general no maintenance is required before product overhaul in your service
center
(see 12) .
Maintenance times can change according to processes and equipment used.
Contact your service center
(see 12) .
9.3 Maintenance on the customer’s site
The pump does not require any maintenance on the customer’s site apart from that de-
scribed in this manual. All other maintenance must be carried out by your service center
(see 12) .
Clean the outer surfaces of the product using a clean, lint-free cloth and a product that
will not damage the screen-printed surfaces and adhesive labels.
Check that exhaust pipe line is not clogged.
Check the condition of the pipes and their connections and repair them if there is any
sign of corrosion or leaks.
Compare the colour of the oil with a sample of new oil. This will allow you to check the
level of pollution or the extent to which the lubricant has deteriorated. The oil is
changed by our service center.
Unclog if the message D03 or D38 is displayed (see 9.4) .
WARNING
Other localised hazardous energies
Electrical circuits and other pressurized circuits, such as nitrogen and water are poten-
tial hazards.
Always lock out these energy sources before working on the product.