Geotech Shallow Well Probe Scavenger Installation And Operation Manual
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Geotech Shallow Well Probe Scavenger Installation And Operation Manual

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Shallow Well
Probe Scavenger
Installation and Operation Manual
Rev 7/12/2018 Part # 16030005

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Summary of Contents for Geotech Shallow Well Probe Scavenger

  • Page 1 Shallow Well Probe Scavenger Installation and Operation Manual Rev 7/12/2018 Part # 16030005...

  • Page 3: Table Of Contents

    Table of Contents Documentation Conventions ........................2 Section 1: System Description ......................... 3 Function and Theory ..........................3 System Components ..........................5 Pump Control Module (PCM) ........................5 Explosion Proof (EP) Control Switch Box ....................5 Pump ............................... 5 Alarm Indicator ............................5 Weatherproof Connectors ........................

  • Page 4: Documentation Conventions

    Documentation Conventions This manual uses the following conventions to present information. An exclamation point icon indicates a WARNING of a situation or condition that could lead to personal injury or death. You should not proceed until you read and thoroughly understand the WARNING message.

  • Page 5: Section 1: System Description

    Section 1: System Description Function and Theory The Geotech Shallow Well Probe Scavenger (SWPS) is an explosion proof (EP) pumping system for removing hazardous hydrocarbons from the surface of water in wells. Used with its product probe, the system pumps only hydrocarbons from wells 2”...
  • Page 6 The standard probe (Figure 1-2) consists of a 1” (2.5 cm) diameter hydrocarbon float and a 1” (2.5 cm) diameter water float. When the hydrocarbon float rises, it activates a time delay which turns on the system (after a user-set period of time). This time may be varied by adjusting the potentiometer within the EP box. A preset delay can prevent the pump from turning on and off too frequently.

  • Page 7: System Components

    Alterations to the output hose length may be necessary to accommodate the distance between the motor/pump depth and the PCM and recovery tank location. Consult with Geotech on unit specifications. There is portal access on each side of the optional case. Looking down on the system, the PCM appears as in Figure 1-1, the portal on the right permits access of the input hose and the cables from the Product and Tankfull probes.

  • Page 8: Tankfull Probe

    It also acts as a safety device in that it needs to be connected for the SWPS to function. Consult Geotech for other options when a Tankfull probe is not required for your recovery needs.

  • Page 9: Intake Assembly And Product Probe

    Intake Assembly and Product Probe The product intake assembly (Figure 1-4), combined with the product probe, is placed at a specific height within the well. It is designed to recover the product layer from the water surface. A product float within the probe rises and magnetically activates a switch in the PCM, turning on the pump as needed.

  • Page 10: Section 2: System Installation

    4” (102 mm) from the top of the recovery tank. The standard Tankfull assembly comes with a 25’ (7.5m) cable, but alternate lengths can be provided by Geotech. Once the Tankfull probe is fitted onto the recovery tank, run its cable next to the input hose into the right portal on the PCM.

  • Page 11: Place The Intake Assembly And Product Probe In The Well

    If the water table continues to fluctuate as such that water float rises and turns off the PCM often, then it may be necessary to install a WTDP pump with probe to keep the water table level. Contact Geotech to discuss alternatives to well recovery with a fluctuating water table.

  • Page 12: Tankfull Probe

    The Tankfull probe (shown in Figure 1-3) is designed to be mounted on a product recovery tank (not supplied by Geotech). It has both a ¾” NPT bushing and a 2” NPT bushing for use with 55 gallon (208 liter) drums or larger tanks.

  • Page 13: Section 3: System Operation

    Section 3: System Operation This system is designed to be explosion proof (EP). Disconnect power before opening any enclosure. Before the SWPS is deployed it should be set up and tested. It is best to first familiarize yourself with the controls as detailed in Section 2: System Installation.
  • Page 14 Option A: With no water pump: This situation will produce very slow recovery rates unless there is considerable product layer. The best location for the probe is slightly below the middle of the product layer. To deploy and start the system, lower the intake/probe assembly into the well, confirm that the output hose is secured at the recovery tank and turn the control switch to AUTO.

  • Page 15: Section 4: System Maintenance

    Section 4: System Maintenance The SWPS pump/motor and control electronics are factory sealed and require no maintenance. The only regular maintenance required is periodic cleaning of the system probes. Every week, or more often as necessary, rinse both probes in clean fuel and/or hot water. This procedure will prevent fouling of the probes and sticking of the floats.

  • Page 16: Section 5: System Troubleshooting

    Section 5: System Troubleshooting Disconnect power before opening any enclosure. Carry out troubleshooting procedures in a non-hazardous (non-flammable) location. Problem: Motor does not run on HAND or AUTO. Solution: 1. Check power source. 2. Check recovery tank.  If recovery tank is not yet full then check for defective alarm indicator bulb on control panel box (a faulty light will stop control panel operation).
  • Page 17 Unplug the control panel from its power source, move to a nonhazardous area and open the EP box. Verify that the potentiometer is set all the way to 0.1. A very long delay may mean a damaged potentiometer. Call Geotech (1-800-833-7958) for assistance. Problem: Pump runs but loses prime 1.
  • Page 18 Open when Tankfull float is up. From pin E to any metal part of the probe there should be continuity. Any deviation from this test means the probe is faulty. Contact Geotech (1-800-833-7958) for assistance. Additional problems can occur if the intake is not checked for blockage and the probes are not regularly...

  • Page 19: Section 6: System Specifications

    Section 6: System Specifications New SWPS Specification Sheet System Type: Standard Deep Well Small Diameter Deep Well Surface Mounted Shallow Well Chlorinated Viscous Oil Pump Power Requirements: ____ Voltage ____ Phase ____ Amps ____ Hz Tankfull: Cable / Hose Lengths: Standard _______ft./m Power Cord _______ft./m Input Hose...
  • Page 20 Figure 6-1: Intake Specifications...

  • Page 21: Section 7: System Schematic

    Section 7: System Schematic Figure 7-1: Standard System Assembly...

  • Page 22: Section 8: Replacement Parts List

    Section 8: Replacement Parts List Parts Description Parts List Shallow Well Prove Scavenger System PRB SCAV,XP,SHALLOW WELL,115V,NO CASE 86030006 PRB SCAV,XP,SHALLOW WELL,230V,NO CASE 86030007 CASE,FILTER SCAVENGER,COMPLETE ORS026004 SWPS Pump Contol Module LDFS,CONT MOD,XP,115V 56020014 LDFS,CONT MOD,XP,230V 56020015 SWPS Replacement Parts CASE,FILTER SCAVENGER,COMPLETE ORS026004 FOOT,ELASTOMER,2.50"OD...
  • Page 23 HOSEBARB,BRS,3/4X3/4MPT PPP002025 CHECK VALVE,SS6,PTFE,3/4"FPT 16600268 QDISC,BRS,.75MX.75"BARB PPP007003 BUSHING,SS6,.75"X.5" PPP012049 BUSHING,PVC80,1.25"x.75" PPP012050 Product Probe PROBE,SHALLOW WELL PROBE SCAV 56030008 PROBE BOT,HAIRPIN STYLE 00221 HAIRPIN,SS,.25X.042" 00229 COLLAR,SHAFT,.25"DIA 2010037 PRODUCT FLOAT ASSY,SM DIA 2020102 PROBE CSG,1.06IDx12,CTD ORS231004 ASSY,WATER FLOAT,SM DIA 2020101 Optional Spares FUSE,20A,250V,NON DLY,ABC PPE011014 FUSE,8A,250V,NON-DELAY...

  • Page 24: Appendix A: Recoverable Materials

    Appendix A: Recoverable Materials In order for a material to be recovered by the Geotech LDFS, it must have the following properties:  It must float on water.  Its specific gravity must be less than 1.0 and its kinematic viscosity less than 100SSU, for use with the “light”...
  • Page 25 All materials listed here will work with the LDFS System. allyl chloride p-diethyl benzene* heptylene-2-trans (2-heptene- naphtha amyl acetate diethylcyclohexane trans) nonane amyl alcohol 3,3-diethylpentane 1,4-hexadiene nonane (iso), 2- sec-amyl alcohol diisopropyl benzene* hexane methylloctane, 3- amyl benzene* 2,2-dimethylbutane 1-hexene methyloctane, 4- amyl chloride (1- 2,3-dimethylbutane...

  • Page 26: Appendix B: Decontamination Procedures

    Appendix B: Decontamination Procedures Some common decontamination solutions are listed below along with the contaminants they are effective against: Solution Effective Against Water Short-chain hydrocarbons, inorganic compounds, salts, some organic acids, other polar compounds. Dilute Acids Basic (caustic or alkaline) compounds, amines, hydrazines. Dilute Bases Acidic compounds, phenols thiols, some nitro- and sulfonic compounds.
  • Page 27 Decontamination Solutions to Avoid Some decontamination solutions should be avoided because of their toxicity, flammability, or harmful effects to the environment. Halogenated hydrocarbons, such as carbon tetrachloride, should not be used because of their toxicity, possible incompatibility, and some because of their flammability. Organic decontamination solutions should not be used on personal protective equipment (PPE) because they may degrade the rubber or other materials comprising the PPE.
  • Page 28  Wash tubs of sufficient size to enable workers to place booted foot in and wash off contaminants (without a drain or with a drain connected to a collection tank or appropriate treatment system).  Rinse tubs of sufficient size to enable workers to place booted foot in and wash off contaminants (without a drain or with a drain connected to a collection tank or appropriate treatment system).
  • Page 29 REVISION HISTORY PROJECT # DESCRIPTION DATE Changed image of user interface on PCM, remove 3-channel relay, 1660 remove relay part numbers. Updated parts list. Edited for formatting and 7/12/2018 minor corrections on usage. – StellaR...
  • Page 30 NOTES...

  • Page 31: 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 32 Geotech Environmental Equipment, Inc 2650 East 40 Avenue Denver, Colorado 80205 (303) 320-4764 ● (800) 833-7958 ● FAX (303) 322-7242 email: sales@geotechenv.com website: www.geotechenv.co...

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