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Maintenance and Servicing 

2522-34-46 

15 

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. 

Summary of Contents for Welch WOB-L 2522B-01

Page 1: ...nual EN Translation of the german original manual WOB L Piston pumps Models 2522C 02 230V 50Hz 2522B 01 115V 60Hz 2534C 02 230V 50Hz 2534B 01 115V 60Hz 2546C 02 230V 50Hz 2546B 01 115V 60Hz 2522 34 46...

Page 2: ...written permission of Co Gardner Denver ThomasGmbH All rights under the copyright laws are expressly reserved by Co Gardner Denver Thomas GmbH We reserve the right to make changes and amendments Gardn...

Page 3: ...uction side 9 3 3 Areas of Application 10 3 4 Materials of the medium affecting pump parts 10 3 5 Scope of Delivery 10 3 6 Accessories 10 4 Technical Data 11 5 Installation and Operation 12 5 1 Unpack...

Page 4: ...be done The user must authorize the operating personnel to do the work that has to be done The personnel must have read and understood the complete Operating Manual before using the WOB L Piston Pump...

Page 5: ...s Safety requirements Part 1 Compressors Part 2 Vacuum pumps DIN EN ISO 2151 2009 01 Acoustics Noise test code for compressors and vacuum pumps Engineering method grade 2 DIN EN 60204 12014 10 Safety...

Page 6: ...en connecting to the electrical power supply system The electrical power supply system must have a protective connector according to DIN VDE 0100 410 IEC 60364 4 41 The protective connector must not h...

Page 7: ...ton pumps are not recommended for pumping acidic basic or organic va pors Poisonous Gases Use a separator when pumping poisonous or harmful gases Prevent such substances from leaking out of the applia...

Page 8: ...ime The enables the adjustment of the air pressure between atmospheric pressure and maximum overpres sure Fig 1 Design WOB L Piston Pump 2546 3 1 2 Connecting to the electricity supply The WOB L Pisto...

Page 9: ...If the possibility of penetration of larger liquid quantities which exceed the capacity of the separator we recommend the additional installation Fig 2 of a larger collection vessel eg Woulff bottle F...

Page 10: ...alve Stainless steel Piston cup seal PTFE Compound Pump head Aluminium with corrosion protection Separator vessel Plastic 3 5 Scope of Delivery The scope of delivery is specified in the supply contrac...

Page 11: ...IP 20 Weight kg 5 3 Dimensions W D H mm 380 270 310 Order No for WOB L Piston pump 230V 50Hz inclusive mains connection cable with plug CEE 2522C 02 2534C 02 2546C 02 WOB L Piston pump 115V 60Hz incl...

Page 12: ...urface Remove the protective caps on the suction and pressure ports Note that the cooling of the pump is guaranteed see chapter 2 3 Note that on the installation location no moisture acts on the pump...

Page 13: ...ter 2 5 3 1 Start up Make sure that when you start the pump which may arise in the connection lines con densates cannot penetrate into the pump Action additional suction side condensate separator Alwa...

Page 14: ...elative air humidity 90 Leave the protective elements on the suction and pressure ports Another equally good pro tection may be used 5 5 Scrap Disposal CAUTION The WOB L Piston Pumps must be disposed...

Page 15: ...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 c...

Page 16: ...seal the leak replace the seals and or hoses if necessary Pump leaking Exchange the hoses and or fittings if necessary Pump dirty General maintenance Cleaning Valve defective Exchange Valves dirty Cle...

Page 17: ...the description quantity serial number and order number CAUTION We are not liable for any damage caused by the installation of any parts not supplied by the manufacturer 8 1 Kit Order numbers WOB L P...

Page 18: ...5K 02 Valve plate Assembly 1 6 1 O Ring 1 1 7A 1 Plastic Separator suction 1 1 7B 1 Plastic Separator pressure 1 1 8 1 Filter element 1 1 9 1 726026 Pressure Manometer 230 V 726025 Pressure Manometer...

Page 19: ...eal 1 1 5 1 2567K 02 Valve plate Assembly 1 6 1 O Ring 1 1 7 2 Plastic Separator suction pressure 2 2 8 1 Filter element 1 1 9 1 726026 Pressure Manometer 230 V 10 1 Ball 1 1 11 1 726024 Vacuum Manome...

Page 20: ...te Assembly 6 1 O Ring Cylinder 1 1 7 2 Plastic Separator suction pressure 2 2 8 1 Filter element 1 1 9 1 726026 Pressure Manometer 230 V 726025 Pressure Manometer 115 V 10 1 Ball 1 1 11 1 726024 Vacu...

Page 21: ...for design Risk assessment and risk reduction S curit des machines Principes g n raux pour l valuation des risques et la r duction des risques Seguridad de las m quinas Principios generales para el di...

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