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Summary of Contents for Geotech AR4 Series
- Page 1 4”Auto-Reclaimer Installation and Operation Manual Rev 3/31/2020 Part # 16600115...
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Page 3: Table Of Contents
Table of Contents Section 1: System Description ................... 3 Function and Theory....................3 System Components ..................... 4 Section 2: System Installation..................5 System Schematic ....................6 Pump Activation Levels ..................8 Air Consumption ....................9 Airline Supply Pressure Drops ................10 Deploying Multiple Pumps ................... -
Page 4: Section 1: System Description
Section 1: System Description Function and Theory The Geotech 4" Auto-Reclaimer (AR4) is an automatic and controller-less, positive air- displacement pump that works without the use of any external controls, relays, bleeder tubes or bubblers. The AR4 requires only a regulated standard industrial compressed air source to operate. -
Page 5: System Components
System Components The AR4 pump series models all share the same internal mechanics and pump options. Figure 1-2 below shows the major components to an AR4. *Housing not shown Figure 1-2: AR4 model: 86600149 – AR4,SHORT,T&4”B... -
Page 6: Section 2: System Installation
Section 2: System Installation Attach the Air (A), Vent (V), and Discharge (D) hoses/tubing to their appropriate labeled fittings (see Figure 2-1). Ensure all hoses are installed securely and completely. Top filling AR4 pump models have a screened inlet in the Fill (F) port; bottom fill only pumps will have this port plugged. -
Page 7: System Schematic
System Schematic * Air Regulators should be mounted vertically and as close to the compressor as possible. Figure 2-2: Single Pump System Schematic... - Page 8 **Be aware of pressure drops when deploying multiple pumps or longer lengths of tubing. Figure 2-3: System Schematic with Multiple Pumps...
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Page 9: Pump Activation Levels
Pump Activation Levels The AR4 is offered in three pump lengths. Activation levels vary depending on inlet options and pump length. Fluid submergence levels will trip valve mechanics when pumping fluid reaches approximately three quarters the length of the float. Measurements below are shown with a bottom screen. -
Page 10: Air Consumption
Air Consumption (See Appendix A for metric conversions) Depending on site conditions, Figure 2-4 below estimates pump air consumption. Figure 2-4: Air Consumption... -
Page 11: Airline Supply Pressure Drops
Airline Supply Pressure Drops (see Appendix A for metric conversions) Airline Supply Pressure Drops (continued) Figure 2-6: Airline Pressure Drop at 70PSI... -
Page 12: Deploying Multiple Pumps
Airline Supply Pressure Drops (continued) Figure 2-7: Airline Pressure Drop at 100PSI Deploying Multiple Pumps (see Appendix A for metric conversions) When installing multiple pump lines over extended distances, proper pipe sizing on the discharge side needs to be considered to ensure pressure drop along trunkline does not exceed the pressure available from pump source. - Page 13 Figure 2-8: Trunkline Sizing 15PSI Pressure Drop...
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Page 14: Section 3: System Operation
Section 3: System Operation The AR4 pump is lowered in a recovery well so that the fluid intake (top, bottom or dual fill) are sufficiently submerged below the static groundwater level. Provided with a regulated air supply, the pump cyclically fills and empties. As the pump fills, the internal float assembly rises until engaging the control lever that operates the valve mechanism. -
Page 15: Section 4: System Specifications
Air supply tubing ID Air inlet check ball Vent / Air exhaust tubing ID 1/2” Vent Seat Multiple available - Contact your Tubing and Hosing Material Float HDPE Geotech Sales Representative Top Intake Material PVDF Control Rod PVDF Valve Manifold PVDF... -
Page 16: Performance Curves: Ar4 Short Series
Performance Curves: AR4 Short Series (see Appendix A for metric conversions) Information below is for estimation purposes only. Performance will vary with site specifics. Flow is measured in Gallons Per Minute (GPM). Figure 4-1: AR4 Short Bottom/Top Inlet, 6” (15 cm) Submergence, 3/4" (19 mm) ID Hose in Figure 4-2: AR4 Short Bottom/Top Inlet, 2’... - Page 17 Performance Curves: AR4 Short Series (continued) Figure 4-3: AR4 Short Bottom/Top Inlet 4’ (1.2 m) Submergence, 3/4" (19 mm) ID Hose in Figure 4-4: AR4 Short Bottom/Top Inlet 10’ (3 m) Submergence, 3/4" (19 mm) ID Hose in...
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Page 18: Performance Curves: Ar4 Long Series
Performance Curves: AR4 Long Series (see Appendix A for metric conversions) Information below is for estimation purposes only. Performance will vary with site specifics. Flow is measured in Gallons Per Minute (GPM). Figure 4-5: AR4 Long Bottom/Top Inlet 6” (15 cm) Submergence, 3/4" (19 mm) ID Hose in Figure 4-6: AR4 Long Bottom/Top Inlet 2’(60 cm) Submergence, 3/4"... - Page 19 Performance Curves: AR4 Long Series (continued) Figure 4-7: AR4 Long Bottom/Top Inlet 4’ (1.2 m) Submergence, 3/4" (19 mm) ID Hose in Figure 4-8: AR4 Long Bottom/Top Inlet 10’ (3 m) Submergence, 3/4" (19 mm) ID Hose in...
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Page 20: Performance Curves: Ar4 Ext Series
Performance Curves: AR4 EXT Series (see Appendix A for metric conversions) The EXT pump requires less maintenance compared to other models, cycles more fluid volume per duty cycle, and has a longer service life. Information below is for estimation purposes only. Performance will vary with site specifics. Flow is measured in Gallons Per Minute (GPM). - Page 21 Performance Curves: AR4 EXT Series (continued) Figure 4-11: AR4 EXT. Bottom/Top Inlet 4’ (1.2 m) Submergence, 3/4" (19 mm) ID Hose in GPM...
- Page 22 Figure 4-12: AR4 EXT. Bottom/Top Inlet 10’ (3 m) Submergence, 3/4" (19 mm) ID Hose in GPM...
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Page 23: Section 5: Replacement Parts
AUTO RECLAIMER, 4", LONG, T&4"B 86600155 AUTO RECLAIMER, 4", EXT, 4"B 86600163 AUTO RECLAIMER, 4", LONG, T&B 86600156 AUTO RECLAIMER, 4", EXT, B 86600164 AUTO RECLAIMER, 4", LONG, T 86600157 * Contact your Geotech Sales representative for custom AR4 pump lengths and options... -
Page 24: Replacement Parts Diagram
Replacement Parts Diagram... -
Page 26: Section 6: System Maintenance
Detergent for general purpose cleaning WD40 for lubrication Heavy duty detergent for all descaling of internal components PTFE Tape for all pipe threads Calcium sulfonate grease at O-ring contact points *Available from your Geotech representative... -
Page 27: Disassembly Instructions
Disassembly Instructions Housing and Bottom Cap Use a 3/16” hex key to remove the bottom cap from the pump by unscrewing three 1/4” socket head cap screws (SHCS) from the lower end of the pump (4” screened bottom intake pumps will need to remove an additional screw (see Figure 7-1 through 7-3). Top fill only pumps have a 3/8”... -
Page 28: Retainer And Float
Retainer and Float Remove the hitch clip from the clevis pin holding the check plug retainer. Use a pair of small pliers to pull the shortened cotter pin securing the lower control rod collar. Remove the stop collar, springs, and floats. When the float has been removed, care must be taken to not bend the control rod or stress the control rod link. -
Page 29: Control Rod/ Valve Assy
Control Rod/ Valve Assy. The control rod is attached to the valve link using a shortened hitch pin. Use a pair of pliers to remove the cotter pin and remove the control rod from the valve link. The link can be removed from the valve assembly simply pushing it off the spring shaft. -
Page 30: Section 7: System Troubleshooting
The fluid density being pumped is too light. Solution Geotech’s AR4 is rated for fluid densities as low as 0.70 SpG. For pumping fluid densities less than 0.70 SpG a custom float is required. Contact a Geotech Technical sales representative for more information. - Page 31 Solution Visually inspect the springs. Clean anything that could be caught in the springs and make sure they are properly positioned. If you are experiencing other problems than mentioned above, please call Geotech Technical Support for immediate assistance, (800) 833-7958.
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Page 32: Appendix A -System Specifications - Metric
Appendix A –System Specifications - Metric Performance Curves: AR4 Short Series - Metric Information below is for estimation purposes only. Performance will vary with site specifics. Flow is measured is Liters Per Minute (LPM) Figure A-1: AR4 Short Bottom/Top Inlet 6” (15 cm) Submergence, 3/4" (19 mm) ID Hose in LPM Figure A-2: AR4 Short Bottom/Top Inlet 2’... - Page 33 Performance Curves: AR4 Short Series – Metric (continued Figure A-3: AR4 Short Bottom/Top Inlet 4’ (1.2 m) Submergence, 3/4" (19 mm) ID Hose in LPM Figure A-4: AR4 Short Bottom/Top Inlet 10’ (3 m) Submergence, 3/4" (19 mm) ID Hose in...
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Page 34: Performance Curves: Ar4 Long Series - Metric
Performance Curves: AR4 Long Series - Metric Information below is for estimation purposes only. Performance will vary with site specifics. Flow is shown is Liters Per Minute (LPM). Figure A-5: AR4 Long Bottom/Top Inlet 6” (15 cm) Submergence, 3/4" (19 mm) ID Hose in LPM Figure A-6: AR4 Long Bottom/Top Inlet 2’... - Page 35 Performance Curves: AR4 Long Series – Metric (continued) Figure A-7: AR4 Long Bottom/Top Inlet 4’ (1.2 m) Submergence, 3/4" (19 mm) ID Hose in Figure A-8: AR4 Long Bottom/Top Inlet 10’ (3 m) Submergence, 3/4" (19 mm) ID Hose in...
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Page 36: Performance Curves Ar4 Ext Series- Metric
Performance Curves AR4 EXT Series- Metric Information below is for estimation purposes only. Performance will vary with site specifics. Flow is measured is Liters Per Minute (LPM) Figure A-9: AR4 EXT Bottom/Top Inlet 6” (15 cm) Submergence, 3/4" (19 mm) ID Hose in Figure A-10: AR4 EXT Bottom/Top Inlet 2’... - Page 37 Performance Curves AR4 EXT Series- Metric (continued) Figure A-11: AR4 EXT Bottom/Top Inlet 4’ (1.2 m) Submergence, 3/4" (19 mm) ID Hose in LPM Figure A-12: AR4 EXT Bottom/Top Inlet 10’ (3 m) Submergence, 3/4" (19 mm) ID Hose in...
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Page 38: Air Consumption- Metric
Air Consumption- Metric Depending on site conditions, Figure A-13 below estimates pump air consumption in Standard Liter of air per Liter pumped. Figure A-13: Air Consumption in STDL/Liter Pumped... -
Page 39: Air Supply Pressure Drops - Metric
Air Supply Pressure Drops – Metric Considerations for airline pressure drops should be made when multiple pumps are located further from the airline regulator. Numbers were calculated as a total distance of airline away from regulator, for example, along ground plus distance from well cap to pump head, using plastic piping. - Page 40 Air Supply Pressure Drops – Metric (continued) Figure A-16: Air Pressure Drop at 7 Kg/cm²...
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Page 41: Discharge Trunkline Sizing - Metric
Discharge Trunkline Sizing – Metric Information below is for reference only. Numbers provided were calculated for water flowing through plastic piping. Figure A-17: Trunkline Sizing 1.05Kg/cm² Pressure Drop... - Page 42 DOCUMENT REVISIONS EDCF# DESCRIPTION REV/DATE Initial Release 11/8/13 Added trunk line sizing tables, SP 11/26/13 Project 1382 Added performance spec. curves, DD 05/07/15 Project 1382 Updated manual to reflect pump improvements, DD 08/11/15 Updated pump flow curves, added Appendix A for metric flow curves, Project 1382 11/28/16 updated cover photo, TA/SB/SR...
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Page 43: The Warranty
Geotech agrees to repair or replace, at Geotech’s option, the portion proving defective, or at our option to refund the purchase price thereof. Geotech will have no warranty obligation if the product is subjected to abnormal operating conditions, accident, abuse, misuse, unauthorized modification, alteration, repair, or replacement of wear parts. - Page 44 Geotech Environmental Equipment, Inc. 2650 East 40th Avenue Denver, Colorado 80205 (303) 320-4764 ● (800) 833-7958 ● FAX (303) 322-7242 email: sales@geotechenv.com website: www.geotechenv.com...
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