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Owner'S Manual

Gardner Denver Welch Self-Cleaning Dry Vacuum System DryFast..., Owner'S Manual

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Gardner Denver 2025

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Summary of Contents for Welch Self-Cleaning Dry Vacuum System DryFast...

Page 1: ...s underutilized and idle equipment along with credit for buybacks and trade ins Custom engineering so your equipment works exactly as you specify Critical and expedited services Leasing Rentals Demos...

Page 2: ...y intake and discharge before using pump See Section 2 28 CAUTION Do not pump liquids with the pump Pumping liquids will cause the pump to stop working 2025 2027 2028 9 Torr 12 mbar 2 Torr 2 7 mbar 2...

Page 3: ...truction could result in damage to the equipment associated equipment and process These units con rm to the SI International system of units of measurement The following symbols with recommendation of...

Page 4: ...ral Maintenance Section 05 Calibration 5 10 Calibration for Model 2027 only Section 06 Troubleshooting 6 10 Vacuum Problems Section 07 Speci cation 7 10 Pump Speci cation Table Section 08 Drawings Par...

Page 5: ...id serious burns never touch unit during or immediately after operation 1 18 Be sure to properly identify intake and discharge before using pump See Section 2 14 WARNING Remove plug s from Exhaust Por...

Page 6: ...nding temperature remains between 10 C and 40 C 50 F and 104 F Always check to insure the location chosen is protected from direct or indirect moisture contact The pump should be located as closely to...

Page 7: ...must be plugged into an outlet that is properly installed and grounded in accordance with all local codes and ordinances DANGER Improper installation of the grounding plug can result in a risk of ele...

Page 8: ...s located in the top front section of the system The dial vacuum gauge is commonly used to indicate vacuum level when operating in the rough vacuum range 2 torr 2 7mbar 29 8 in Hg Dial vacuum gauges g...

Page 9: ...ballast or vent switch acts to minimize vapor condensation when pumping heavy vapor loads In a pump functioning on an apparatus with a high vapor load compression within the pump takes place in the n...

Page 10: ...ll shut off allowing the unit to vent to atmospheric pressure The outlet separator catches any liquid or particulates during the purge cycle To adjust the purge cycle time on Models 2025 2026 2027 fro...

Page 11: ...o freeze out most heavy water vapor loads A variety of cold traps are available from Welch Contact your closest Gardner Denver Welch Vacuum Technology sales of ce See country directory on back cover o...

Page 12: ...can be made out of readily available material for protecting the pump The trap would consist of a ltering ask placed between the pump and the vacuum chamber The simple liquid trap will act as a buffe...

Page 13: ...the valve will be in the closed max vac position AUTO MODE Press AUTO button or Vacuum Control knob in MANUAL mode to enter AUTO mode AUTO mode gives you precise control of the vacuum setting via Up...

Page 14: ...l knob to scroll to the Program option and press to enter the Program menu screen The Program screen displays all existing stored programs in desired vacuum units and time minutes Use the Vacuum Contr...

Page 15: ...and display the current units setting with an asterisk Use the Vacuum Control knob to select the desired units and push the Vacuum Control knob to change The screen will now display the new vacuum uni...

Page 16: ...the Vacuum Control knob to select Exit or Back to make additional changes from the Setup screen 4 ABOUT Use the Vacuum Control knob to select the About option The About option lists the product model...

Page 17: ...d place over both pins See gure calibration mode below Step 4 Attach gauge to inlet of pump Step 5 Re apply power to the unit CAUTION Unit will start up as soon as power is applied Display will ash SE...

Page 18: ...um Note Pump Cannot Start Under Vacuum Turn off and UNPLUG PUMP remove top housing and turn fan a few times Replace cover and turn on if problem still persists contact Welch Technical Support Turn pum...

Page 19: ...el around 30 40 Torr indicates bad exh stage valve or diaphragm Bad valve or diaphragm Change Valve Diaphragm Loose eccentric or counterweight Tighten Loose Parts Use Loctite Broken diaphragm threaded...

Page 20: ...off and UNPLUG PUMP wait 30 seconds re connect to power and turn pump back on Digital gauge Displays CAL Err Unit has detected a calibration error Mechanical Failures Poor Vacuum Leaks Check inlet ja...

Page 21: ...ump Anti Foam Button N A N A N A YES Tubing needed I D in mm 1 4 7 1 4 7 1 4 7 1 4 7 Intake Exhaust Thread NPT 3 8 3 8 3 8 3 8 Weight lbs Kg 30 13 6 30 13 6 30 13 6 30 13 6 Programmable Repeat Functio...

Page 22: ...Section 8 DRAWINGS PARTS LISTS AND EXPLODED VIEWS 8 10 Dimensional Drawing 21 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 23: ...8 11 Schematic Wiring Diagram for Models 2025 2026 22 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 24: ...8 12 Schematic Wiring Diagram for Model 2027 23 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 25: ...ing PTFE Duality 1 30 Ft 6 1 See Note 1 Gasket 1 7 1 See Note 1 U Clamp 1 8 1 726123 Vacuum Gauge 2 Dial mbar kPa 8 1 726125 Vacuum Gauge 2 Dial in Hg cm hg 9 2 1423B Glass Jarr Assembly 10 2 1415B Re...

Page 26: ...ts List Exploded View for Repair Kits Repair Kit 2025K 01 for Model 2025 Repair Kit 2027K 01 for Models 2026 2027 25 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artis...

Page 27: ...______________________________ __________________________________________________________________________________________ ______________________________________________________________________________...

Page 28: ...will be 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 produ...

Page 29: ...kie IL 60077 Phone 847 676 8800 Fax 847 677 8606 Technical Support Fax 920 451 4397 Ordering Copyright 1997 2004 Gardner Denver Welch Vacuum Technology Inc Welch is registered trademarks of Gardner De...

Page 30: ...uipment Have surplus equipment taking up shelf space We ll give it a new home Learn more Visit us at artisantg com for more info on price quotes drivers technical specifications manuals and documentat...

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