Maintenance and Servicing
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7.2.1.3
Test
Connect a vacuum measuring device to the intake connector and measure the ultimate
pressure.
If the device is working properly, then the figure stated in the technical data must be at-
tained within a maximum of one minute.
The pump must not make any abnormal noises.
Moving parts must not touch each other.
7.2.2
Maintenance of the vacuum controller
The vacuum controller is maintenance-free. In case of damage, return the device to the
manufacturer or to an authorized workshop.
7.2.3
Maintenance of other components
Empty the glass drip pan in a timely manner, observe all disposal specifications as appli-
cable to hazardous substances.
Screw connections must be checked for tightness and tightened when necessary.
Check vacuum hoses for leaks and, if necessary, replace them.
Check that the glass vessels are undamaged and if necessary replace.
Check rubber gasket of the safety valve at the emission condenser and, if necessary, re-
place it.
7.3
Maintenance by the Manufacturer
Repairs and maintenance going beyond the extent of the work described
in chapter 7.2
or
reconditioning or modification may only be performed by the manufacturer or authorized
workshops.
WARNING !
The user shall be liable for the consequences of an incorrect damage report or a
contaminated pump. The statements in the damage report are legally binding.
7.4
Damage Report
You find the form of the damage report to the Download on our web page in the menu "ser-
vice" and "Downloads".
www.gardnerdenver.com/de-de/welch
If you should not have an entrance to the Internet, you can request the form also gladly with
us, under phone +49 3677 604 0.
WARNING !
Incomplete or incorrectly completed damage reports may endanger the service per-
sonnel!
Provide full information about contamination, and clean the pump thoroughly before
handing it over to third parties.
