Rietschle INOVAC VWP 160-3 Instruction And Service Manual Download Page 1

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VWP 160-3 / 250-3

VWP 400-3

VWP 160-3

VWP 250-3

VWP 400-3

VWP-3

Roots vacuum pumps

Instruction and service manual

BE 221

2.4.99

Werner Rietschle
GmbH + Co. KG

Postfach 1260
79642 SCHOPFHEIM
GERMANY

076 22 / 3 92-0

Fax 076 22 / 39 23 00
E-Mail: [email protected]
http://www.rietschle.com

Rietschle (UK) Ltd.

Bellingham Way
NEW HYTHE
KENT ME20 6XS
UNITED KINGDOM

016 22 / 71 68 16

Fax 016 22 / 71 51 15
E-Mail: [email protected]
http://www.rietschle.co.uk

Summary of Contents for INOVAC VWP 160-3

Page 1: ...BE 221 2 4 99 Werner Rietschle GmbH Co KG Postfach 1260 79642 SCHOPFHEIM GERMANY 07622 392 0 Fax 07622 392300 E Mail info rietschle com http www rietschle com Rietschle UK Ltd Bellingham Way NEW HYTHE...

Page 2: ...n 8 6 Coolant 9 6 1 External cooling 9 6 2 Radiator cooling 9 6 2 1 Cooling liquid monitoring 9 7 Initial Operation 10 7 1 Risks for service staff 10 8 Maintenance 10 8 1 Oil lubrication 10 8 1 1 Bear...

Page 3: ...vel there will be a loss in capacity For further advice please contact your supplier The standard versions may not be used in hazardous areas Special versions with Ex proof motors can be supplied All...

Page 4: ...mosphere without a backing pump INOVAC is the only known Roots vacuum pump that has been especially designed to provide a solution to this problem The back flow which causes the excess heat generation...

Page 5: ...ers the compression chamber is sealed from the bearing housing by a labyrinth seal consisting of two piston rings PTFE In addition a shaft sealing ring PTFE running on a hardend pressed on shaft sleev...

Page 6: ...The by pass valves close when the interstage pressures are lower than the exhaust pressure 3 4 6 Sealing gas The INOVAC is supplied as standard with the facility to pressurise the shaft sealing ring c...

Page 7: ...250 3 VWP 400 3 9 10 5 Installation 5 1 Mechanical installation see data sheet D 221 5 1 1 Mounting Pumps that have reached operating temperature may have a surface temperature of more than 70 C depe...

Page 8: ...ll cabling used on starters should be secured with good quality cable clamps We recommend that motor starters should be used that are fitted with a time delayed trip resulting from running beyond the...

Page 9: ...frost A BP anti frost X 2270 A Glacelf Glysantin Glycoshell AF 405 Veedol Antifreeze The water must be ph neutral The liquids should be well mixed before fill in A simple pouring together is not suff...

Page 10: ...tive that the unit cannot be re started during the maintenance operation Do not work a pump that is at its normal operating temperature as there is a danger from hot parts hot lubricant or hot coolant...

Page 11: ...ing and the drive coupling half Remove the intermediate flange on the NP stage MS Removing the MP stage HS is carried out in the same manners as with LP stage Assembly of the stages is in reverse orde...

Page 12: ...400 3 E220 1 drive and gearbox E220 2 radiator cooling E220 3 fresh external Cooling E220 4 basic unit VWP 160 3 250 3 E221 1 drive and gearbox E221 2 radiator cooling E221 3 resh external Cooling E2...