Summary of Contents for Spiracur SANDWASH SGW10
- Page 1 Installation, Operation & Maintenance Manual For SANDWASH ® Grit Washer www.spirac.com I v.2 I 12/2023...
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Page 2: Table Of Contents
Installation, Operation & Maintenance Manual SANDWASH ® TABLE of CONTENTS SECTION CONTENTS PAGE 1.0 INTRODUCTION GENERAL PRODUCT IDENTIFICATION PRODUCT DESCRIPTION DECLARATION OF CONFORMITY 2.0 INSTALLATION GENERAL MOUNTING THE DRIVE ASSEMBLY CONNECTION ELECTRICAL WELDING 3.0 OPERATION PRE-START CHECKS OPERATIONAL CHECK-LIST EXTENDED SHUTDOWN 4.0 MAINTENANCE GENERAL LUBRICATION... - Page 3 Installation, Operation & Maintenance Manual SANDWASH ® APPENDIX Reference Contents CONVEYOR DATA SHEETS LUBRICATION CHECK SHEETS DRAWINGS GEARBOX PARTS LISTS MOTOR PARTS LISTS MOTOR TYPE TEST CERTIFICATES WELDING PROCEDURES OTHER EQUIPMENT SANDWASH ® Page 3 of 40...
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Page 4: Introduction
Installation, Operation & Maintenance Manual SANDWASH ® INTRODUCTION GENERAL We welcome you as a user of SPIRAC Grit washer. Your grit washer is a product of careful engineering and skilled workmanship. We believe you have the best grit washer possible for the service intended. -
Page 5: Product Description
Installation, Operation & Maintenance Manual SANDWASH ® PRODUCT DESCRIPTION The grit washer parts can vary in appearance due to the fact that all SPIRAC grit washers are custom built. The figure below (Figure 1.3a) shows the principal parts of the grit washer. Drawings of each particular grit washer can be found in Appendix ‘General Arrangement Drawings’. -
Page 6: Declaration Of Conformity
Installation, Operation & Maintenance Manual SANDWASH ® DECLARATION OF CONFORMITY EC Declaration of Conformity in accordance with Machinery Directive 2006/42/EC, Appendix II A We hereby confirm that the following product: Grit Washer and Dewatering Conveyor Model: SGW10 / SGW20 / SGW30 Serial No.: meets the conditions of the above-mentioned guidelines, including amendments effective at the time of declaration. -
Page 7: Installation
Installation, Operation & Maintenance Manual SANDWASH ® INSTALLATION GENERAL The following parts are included in a standard delivery: • The grit washer • 1 maintenance and installation manual including CE-document Place the grit washer in position and bolt it to the floor. Connect pipes for in- and outlet. -
Page 8: Mounting The Drive Assembly
Installation, Operation & Maintenance Manual SANDWASH ® MOUNTING THE DRIVE ASSEMBLY Occasionally the drive assembly is delivered not attached to the conveyor. If your conveyor has the drive assembly sent separately, it is delivered ready to be attached. If the conveyor is to work in a raised position it is better to mount the drive unit with the conveyor on the ground. - Page 9 Installation, Operation & Maintenance Manual SANDWASH ® Recommended torque settings for the spiral coupling disc and the drive shaft are as follows: Torque Settings for the Coupling Disc A4/70 M12x50 62Nm (oiled thread) A4/70 M16x55 152Nm (oiled thread) A4/70 M20x60 296Nm (oiled thread) Torque Settings for the Drive Shaft A4/70 M12x70...
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Page 10: Connection
Installation, Operation & Maintenance Manual SANDWASH ® CONNECTION Place the grit washer in position and bolt it to the hardstand via the support base plates. Connect pipe for reject water. Connect inlet pipe for Grit / effluent. Connect water to the wash water valves. - Page 11 Installation, Operation & Maintenance Manual SANDWASH ® together two dissimilar materials should be avoided due to the risks for hair-line fractures, reduced weld strength and a greater propensity to corrode due to electrolytic action. The weld surfaces should be degreased with acetone (or an equivalent solvent) immediately prior to welding.
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Page 12: Operation
Installation, Operation & Maintenance Manual SANDWASH ® OPERATION PRE-START CHECKS Only persons completely familiar with the safety aspects (as detailed in Sect. 7.0) should be permitted to operate the grit washer. The operator should thoroughly understand these instructions before attempting to use the equipment. Failure to follow these precautions may result in serious personal injury or damage to equipment. -
Page 13: Operational Check-List
Installation, Operation & Maintenance Manual SANDWASH ® seconds on, 50 seconds off (all adjustable) until the conveyor is full of grit at the end of the low grit level. It is important to note that the above information is only to serve as a typical functional description and results may vary from site to site subject to flow, grit and organic loading in the influent. -
Page 14: Maintenance
Installation, Operation & Maintenance Manual SANDWASH ® MAINTENANCE GENERAL Generally it is necessary to establish routine periodic inspections of the entire grit washer to ensure continuous maximum operating performance. Practice good house- keeping. Keep the area around the grit washer and drive assembly clean and free of obstacles to provide easy access and to avoid interference with the function of the grit washer or drive. -
Page 15: Surface Coating
Installation, Operation & Maintenance Manual SANDWASH ® SURFACE COATING This section describes how the grit washer surfaces should be treated, whether it is made of stainless steel or not. The materials of construction for your particular unit are specified in the Appendix ‘Conveyor Data Sheets’. Operation in sewage treatment plant or damp environments exposes the equipment to air that may contain chemically or biologically corrosive particles. -
Page 16: Maintenance Time Table
Installation, Operation & Maintenance Manual SANDWASH ® MAINTENANCE TIME TABLE The following checks outlined below are recommendations only. They can be adjusted to suit the operation time of the screen or incorporated into existing site maintenance procedures. PREVENTIVE MAINTENANCE PERIOD ACTIVITY Abnormal noises. -
Page 17: Service
Installation, Operation & Maintenance Manual SANDWASH ® SERVICE REPLACING THE LINER Depending on particular nature of the grit or client preference, the conveyor can be lined with different materials. There are three different types of liners - Plastic or UHMW Polyethylene •... - Page 18 Installation, Operation & Maintenance Manual SANDWASH ® Figure 5.2c - Levering Out the Liner Figure 5.2d - Pulling Out the Liner Figure 5.2e Figure 5.2f Push the new liner under the spiral, making sure the wear indicator strip is at the bottom.
- Page 19 Installation, Operation & Maintenance Manual SANDWASH ® Replacing the Steel Bar and Steel Plate Liner - This section describes the replacement of both steel bar and steel plate liners. The majority of the steps are common to both procedures. Where the steps differ, this is noted in the text.
- Page 20 Installation, Operation & Maintenance Manual SANDWASH ® For steel bars: - Follow the instructions on the specific drawings. Where there is no information, put welds (75run/250pitch) along the length of the bar. The welds should alternate from the left to the right hand side of the bar (125pitch). Make sure the ends of the bars are welded to the trough (fig 5.2m).
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Page 21: Replacing The Spiral
Installation, Operation & Maintenance Manual SANDWASH ® REPLACING THE SPIRAL There should be no welded joints in the spiral closer than 4 spiral-turns to the spirals coupling disc. Undo the bolts holding the protective cover and remove it from the trough. If the cover cannot be removed (due to inlet chute), then leave in place and partially remove the drive unit as indicated below, and pull the entire drive train including spiral out far enough to unbolt the spiral from the shaft. -
Page 22: Replacing The Drive Unit/Shaft
Installation, Operation & Maintenance Manual SANDWASH ® REPLACING THE DRIVE UNIT/SHAFT Undo the bolts holding the protective cover and remove it from the trough. Un-bolt the spirals coupling disc from the drive shafts coupling disc. Remove the spiral from the trough or move it forward enough so that the drive shaft can be removed via the trough. - Page 23 Installation, Operation & Maintenance Manual SANDWASH ® Turn the gearbox hollow shaft so that the key way is in the correct position in relation to the spirals drive shaft. Push the new drive shaft in so that it takes the place of the old shaft.
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Page 24: Troubleshooting
Installation, Operation & Maintenance Manual SANDWASH ® TROUBLESHOOTING GENERAL Between regular maintenance inspections, be alert for signs of motor or screw trouble. Common symptoms are listed below. Correct any trouble immediately to AVOID COSTLY REPAIR AND SHUTDOWN. Troubleshooting shall be done with the power supply disconnected and locked off, except for those checks which cannot be performed without voltage. - Page 25 Installation, Operation & Maintenance Manual SANDWASH ® TROUBLESHOOTING CHART cont..PROBLEM CAUSE REMEDY Motor not connected for proper Check connection diagram on supply voltage conduit box cover and rectify wiring Insufficient cooling air volume due Provide clearance around fan area to obstructed air flow Motor...
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Page 26: Safety
Installation, Operation & Maintenance Manual SANDWASH ® SAFETY GENERAL The following instructions should always be observed when handling or working with the grit washer – SPIRAC equipment is supplied conforming to AS 4024.1 - 1996 - Safeguarding of Machinery and complies providing all guards remain locked in place with the bolts supplied. -
Page 27: Spare Parts
Installation, Operation & Maintenance Manual SANDWASH ® SPARE PARTS GRIT WASHER PARTS DESCRIPTION The dimensions and technical data for your grit washer are specified in Appendix ‘General Arrangement Drawings’. Make sure you have the drawing available when ordering parts by telephone. -
Page 28: Recommended Spare Parts
Installation, Operation & Maintenance Manual SANDWASH ® ITEM PART BODY SUPPORT FRAME (LH / RH) CONVEYOR CONNECTION GASKET CONVEYOR LINER - LOWER SECTION DRAIN CAP CONVEYOR SUPPORT FRAME FLEXIBLE HOSE GASKET - ODOUR PORT GASKET - ORGANICS OUTLET GASKET - SLURRY INLET INLET ELBOW SPOOL ASSEMBLY INSPECTION HATCH ASSEMBLY SENSOR - GRIT LEVEL... -
Page 29: Supplier Contact
Installation, Operation & Maintenance Manual SANDWASH ® SUPPLIER CONTACT SPIRAC has Sales Offices throughout the world. Manufacturing is undertaken in Australia and Sweden. If you are unsure of your Agent, please make your initial contact to – America Australia and Asia Pacific SPIRAC (USA) Inc. - Page 30 Installation, Operation & Maintenance Manual SANDWASH ® APPENDIX A CONVEYOR DATA SHEETS...
- Page 31 Installation, Operation & Maintenance Manual SANDWASH ® Document Number : Project : SPIRAC Client : SPIRAC Grit Washer Type : SPIRAC Grit Washer Tag : Drawing No : Rev : GRIT WASHER DATA SHEET Application Details Motor Details Material to Grit Manufacturer Convey...
- Page 32 Installation, Operation & Maintenance Manual SANDWASH ® Junction Box Model Odour Outlet Rated Power (kW) Load Monitor Rated Current (A) Speed Switch Motor Speed (rpm) Level sensor Voltage / Hertz / Phase 415 / 50 / 3 Level sensor IP Rating...
- Page 33 Installation, Operation & Maintenance Manual SANDWASH ® APPENDIX B LUBRICATION CHECK SHEETS...
- Page 34 Installation, Operation & Maintenance Manual SANDWASH ® LUBRICANT CHECK SHEET Part to be lubricated Gearbox Recommended lubricant BP Energol GR-XP 220 (or equiv) Change Frequency 6 - 12 months Oil Volume Refer Conveyor Specification Sheet Gearbox Mounting Positions and Relevant Lubrication Points GREASE POINT OIL LEVEL BREATHER...
- Page 35 Installation, Operation & Maintenance Manual SANDWASH ® APPENDIX C DRAWINGS...
- Page 36 Installation, Operation & Maintenance Manual SANDWASH ® APPENDIX D GEARBOX PARTS LISTS...
- Page 37 Installation, Operation & Maintenance Manual SANDWASH ® APPENDIX E MOTOR PARTS LISTS...
- Page 38 Installation, Operation & Maintenance Manual SANDWASH ® APPENDIX F MOTOR TYPE TEST CERTIFICATES...
- Page 39 Installation, Operation & Maintenance Manual SANDWASH ® APPENDIX G WELDING PROCEDURES...
- Page 40 Installation, Operation & Maintenance Manual SANDWASH ® APPENDIX H OTHER EQUIPMENT...
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