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Model 2050
GEMINI vacuum pumps are designed for intermittent use with aqueous based, mildly
acidic / basic, or select organic media. Use with acid, base or organic vapors or
gases is limited by compatibility with pump materials of construction. Always verify
vapor chemical compatibility prior to pump use and utilize proper cleaning methods to
remove chemical residuals from the pump after use.
Welch-Ilmvac
5621 W. Howard Street
Niles, IL 60714
Phone: (847) 676-8800 (Technical Support)
Fax: (847) 677-8606
E-Mail: gdwelchvacuum@gardnerdenver.com
Web-Page: www.welchvacuum.com
OWNER'S MANUAL
FOR
GEMINI™ VACUUM SYSTEM
MODELS:
2050 & 2060
CAUTION
Model 2060
Part No. 642853B
Printed in USA
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Summary of Contents for Gardner Denver WELCH GEMINI 2050
- Page 1 OWNER’S MANUAL GEMINI™ VACUUM SYSTEM MODELS: 2050 & 2060 Model 2050 Model 2060 CAUTION GEMINI vacuum pumps are designed for intermittent use with aqueous based, mildly acidic / basic, or select organic media. Use with acid, base or organic vapors or gases is limited by compatibility with pump materials of construction.
- Page 2 INSTRUCTION WARNING AND CAUTION PLEASE READ BEFORE OPERATION While reading your manual, please pay close attention to areas labeled: WARNING AND CAUTION. The description of each is found below. WARNING Warnings are given where failure to observe instruction could result in injury or death to people.
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Page 3: Table Of Contents
TABLE OF CONTENTS Section 01 - SAFETY INFORMATION 1.10 To Prevent Injury 1.20 To Reduce Risk Of Electrical Shock 1.30 To Reduce Risk Of Electrocution 1.40 To Reduce Risk Of Explosion Or Fire Section 02 - INSTALLATION 2.10 Introduction 2.20 Unpacking 2.30 Pump Location 2.40 Application Connection Section 03 - OPERATION... -
Page 4: To Prevent Injury
Never operate this product if it has a damaged cord or plug. If it is not working properly, has been dropped, damaged or has fallen into water, please contact a Gardner Denver Welch service center to arrange return for examination and repair. -
Page 5: Introduction
SECTION 2: INSTALLATION 2.10 Introduction 2.11 This manual has been compiled not only for the care and maintenance of the Welch GEMINI Vacuum System now in your possession, but as a helpful reference and guide to prevent operating problems, enable troubleshooting, and ensure maximum pump life. 2.20 Unpacking ™... -
Page 6: Application Connection
2.35 Pump Placement Rubber feet are attached to the pump. Rubber feet help to isolate noise and eliminate creeping. All Aspiration/Filtration Vacuum Systems should be placed on a clea, horizontal surface. Do not block the ventilation holes located on the case. WARNING Always vent pump exhaust to a hood or dilute exhaust gases appropriately when pumping potentially hazardous fumes. -
Page 7: Section 03 - Operation
SECTION 3: OPERATION Starting Procedures 3.10 Qualifying your Application 3.11 ™ Welch GEMINI pumps are designed for intermittent use in a variety of aqueous and organic ™ solvent-based applications. Proper GEMINI pump operation and service life are dependent upon use with compatible application fumes, use of a trap to minimize chemical pull-through, and prompt cleanup to purge chemicals from the pump. - Page 8 3.12 GEMINI™System Components 2050 and 2060 On/Off Switch Inlet On/Off Switch Vacuum Gauge Inlet Vacuum Pressure Regulator Outlet Outlet 2050 2060 Figure 1 Vacuum Inlet and Exhaust Port 3.121 The vacuum inlet and exhaust port for both GEMINI™models are identifi ed in Figure 1. Be certain to follow the guidelines in the Section 2: Installation.
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Page 9: Leak Detection
3.20 Leak Detection 3.21 Pump effi ciency is compromised by pumping an added volume of leaked gas to maintain the desired vacuum. System leaks can be inferred by noticing vacuum gauge (Model 2060) differences when vacuum inlet tube is blocked from when the tube is opened for a time to the application system. -
Page 10: Vacuum Problems
SECTION 5: TROUBLESHOOTING 5.10 Vacuum Problems 5.11 Many vacuum problems are attributable to system leakage or contamination. See Leak Detection (section 3.21) and Cleaning Contaminants (section 3.31) to address system problems. Pump operation may be verifi ed by isolating the vacuum inlet from the system and using a gauge (built in for Model 2060) to verify vacuum vis-à-vis Specifi... - Page 11 The Welch Vacuum product is warranted to be free from defects, in material and workmanship. The liability of Gardner Denver Welch Vacuum Technology, Inc. under this warranty is limited to servicing, adjusting, repairing or replacing any unit or component part which in the judgement of Welch Vacuum has not been misused, abused or altered in any way causing impaired performance or rendering it inoperative.
- Page 12 5621 W. Howard Street Niles, IL 60714 Phone: (847) 676-8800 (Technical Support) Fax: (847) 677-8606 E-Mail: gdwelchvacuum@gardnerdenver.com Web-Page: www.welchvacuum.com Copyright© 2007 Gardner Denver Thomas Inc., Welch Vacuum Technology Welch is a registered trademark of Gardner Denver Thomas Inc., Welch Vacuum Technology...
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