Maintenance and Servicing
14
2561-67
6
Maintenance and Servicing
WOB-L
®
Piston pumps are 100% oil-free.
The piston and cylinder of the pump are lubricated maintenance free.
All bearings are sealed and permanently lubricated.
6.1
Maintenance Performed by the User
WARNING !
Only perform the work that is described here, and that which is permitted to be done
by the user.
All other maintenance and service work may only be performed by the manufacturer
or a dealer authorized by him.
Beware of the pump parts being possibly contaminated by hazardous substances.
Wear protective clothing if there is contamination.
Renew defective parts, if necessary! Do not clean with compressed air!
Check the pump daily for unusual running noises and heat building up on the surface of
the pump.
Check the electrical and vacuum connections daily.
6.2
Maintenance by the Manufacturer
Repairs and maintenance going beyond the extent of the work described
in chapter 6.1
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.
6.3
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.welchvacuum.com
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!
Give full information in the damage report, in particular regarding a possible con-
taminating.
