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D 00
Safety instructions related to
maintenance
G 01081 - Edition 11 - August 12
The outside of the appliance and control box can be cleaned with a lint
free wiper. Avoid using cleaning products that deteriorate printed surfaces
and self adhesive labels. All other cleaning operations must be done by our
service centers.
During pump removal, operator could be in contact with process
residues on the exhaust which could cause severe injury or death.
Ask your safety department for instructions according to the local
statements.
Insufficient tightness after servicing could result in chemical hazards.
Always perform a leak test after maintenance.
Recommandations
Purge the installation with dry nitrogen.
The flush is performed automatically when the pump is stopped (normal
stop, or due to an alarm) if a maintained level of purge gas has been
programmed.
Otherwise, proceed as follows:
– If the pump is operated by remote control, disconnect the J14 and J1
connectors, at the rear of the electronic cabinet and connect the cover
plug to it (supplied with the machine).
– Adjust the parameter “PURGE FLOW PROLONGED” for a period of
10 minutes and program PURGE CMD on ENABLED.
– Press START and then STOP on the front panel. Gas purge takes place
after the pump has stopped.
Wear gloves, protective glasses, any appropriated safety equipment,
Ventilate the premises well,
Do not eliminate maintenance waste via standard disposal channels.
Have it destroyed by a qualified company if necessary,
Install the inlet and exhaust blanking plates, thus delivered with the
pump or available as accessories (refer to E15) .
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Users are advised:
Luminosity
Surrounding lighting in maintenance area must be sufficient to
work or make maintenance on the pump: higher than 300 lux.
Remaining process gases in the pump may cause severe injury or death.
Before removing the pump, continue N
2
flow from the process tool
for 30 min. Nitrogen pressure and flow rate should be identical to the
programmed values during process.
adixen Vacuum Products - A3H Series Operating instructions
