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Owner'S Manual

Gardner Denver Welch 2090W-01, Owner'S Manual

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Summary of Contents for Welch 2090W-01

Page 1: ...OWNER S MANUAL FOR DRY VACUUM PUMPS MODELS 2090W 01 and 2085W 01 Part No 642978 Printed in the U S A WARNING Be sure to properly identify intake and discharge before using pump See Section 2 5...

Page 2: ...E OF CONTENTS SECTION PAGE 1 Safety Information 3 2 Installation 5 3 Operation 8 4 Maintenance 8 5 Troubleshooting 9 6 Specifications 10 7 DimensionalDrawing 11 8 ExplodedViews and Kits 12 13 9 Warran...

Page 3: ...openings 1 1e This pump is thermally protected and can automatically restart when the protector resets Always disconnect power source before servicing 1 1f Wear safety glasses or goggles when operatin...

Page 4: ...4 1 3c Never operate this product outdoors in the rain or in a wet area WARNING Failure to observe the above safety precautions could result in severe bodily injury including death in extreme cases...

Page 5: ...ch as bench tops they help to isolate noise and eliminate creeping T h e 2 0 9 0 2 0 8 5 vacuum pumps should be mounted in a horizontal plane 2 4 Pump Location The pressure vacuum pump should be locat...

Page 6: ...ould be used Since both models operate in the viscous flow regime the small diameter of the hose will generate minimal conductance loss For best results Welch recommends the length of the tubing betwe...

Page 7: ...densate If the trap becomes saturated it should be disconnected from the system drained and cleaned An increase in pressure in the vacuum system will normally indicate that the trap has become saturat...

Page 8: ...em and painting the suspected area with a water liquid dish soap solution Escaping air will produce soap bubbles 3 3 Operating Pressure Range Models 2090 and 2085 Dry vacuum pumps are designed to be r...

Page 9: ...be accomplished by blocking of the intake and reading the vacuum level on the gauge See Section 2 8 5 2 Troubleshooting Guide Poor Pumping Speed X Poor Vacuum X Loud Unit X Possible Cause Damaged Val...

Page 10: ...V acuum in Hg 29 26 Number of Vacuum Stages 2 1 Motor Horsepower 1 2 1 2 V acuum Restart yes yes Minimum Tubing Needed I D in 7 16 7 16 Weight lbs kg 52 23 6 52 23 6 Catalog Number 2090W 01 2085W 01...

Page 11: ...11 Section 7 DRAWINGS 7 1 Dimensional Drawings...

Page 12: ...ve Flapper Intake 4 15 See Note 1 Screw V alve Plate 10 16 See Note 1 Screw V alve Flapper Exhaust 4 17 See Note 1 Valve Plate Gasket 2 18 See Note 1 Valve Flapper Intake Exhaust 4 22 Connecting Rod 2...

Page 13: ...ve Flapper Intake 4 15 See Note 1 Screw V alve Plate 10 16 See Note 1 Screw V alve Flapper Exhaust 4 17 See Note 1 Valve Plate Gasket 2 18 See Note 1 Valve Flapper Intake Exhaust 4 22 Connecting Rod 2...

Page 14: ...repaired under this warranty rather than replaced The warranty is effective for one year from the date of original purchase when 1 The warranty card has been completed and returned 2 The product is r...

Page 15: ..._______________________ ________________________________________________________________________________ ________________________________________________________________________________ ______________...

Page 16: ...Mount Prospect IL 60056 Phone 847 676 8800 Technical Support Fax 847 677 8606 E Mail gdwelchvacuum gardnerdenver com Web Page www welchvacuum com Copyright 2013 Gardner Denver Welch Vacuum Technology...

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