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DUSTLESS BLASTING
®
MOBILE USER MANUAL
DB500
MOBILE S™ | DB500
MOBILE XL™ | DB800
MOBILE™ | DB800
MOBILE DUAL™
®
®
®
®

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  • Page 1 DUSTLESS BLASTING ® MOBILE USER MANUAL DB500 MOBILE S™ | DB500 MOBILE XL™ | DB800 MOBILE™ | DB800 MOBILE DUAL™ ® ® ® ®...
  • Page 2 The Future of Surface Preparation ® 800-727-5707 Info@DustlessBlasting.com Facebook.com/DustlessBlaster M M L J , I N C . Toll Free Email 5711 Schurmier Rd. Youtube.com/MMLJManufacturing Houston TX, 77048 +1 713-869-2227 713-868-8041 @DustlessBlaster International Dustless_Blasting DustlessBlastingBusiness.com...
  • Page 3: Table Of Contents

    A NOTICE TO INTERNATIONAL DISTRIBUTORS: International Distributors are responsible for translation of the manual. Please read and understand manual fully prior to operating any machinery. TABLE OF CONTENTS Warning Warranty Diagrams and Part Lists DB500 Model ® DB800 Model ® DB500 and DB800 Diagram...
  • Page 5: Warning

    IMPORTANT IMPORTANTE (Pertinent to blast machines) (Relativo a todos maquinas) WARNING ADVERTENCIA Before operating any abrasive blast cleaning equipment Antes de operar cualquiera de los equipos de limpieza con READ ALL operating and maintenance instructions. chorro abrasivo, LEA TODOS las instrucciones de operacion Personal protective equipment is REQUIRED when using y mantenimiento.
  • Page 6: Warranty

    TEXTRAIL TRAILER PARTS TIRE FOUR YEAR WARRANTY: The TexTrail tires used as part of a Dustless Blasting® mobile unit are covered under the TexTrail Trailer Parts Tire Limited Warranty. The tires themselves are not a product of MMLJ, Inc. and MMLJ, Inc. will not be held responsible for the repair or replacement of said product.
  • Page 7 ALL-FLO WATER PUMP FIVE YEAR WARRANTY: The All-Flo waterpump used as part of a Dustless Blasting® mobile unit is covered under the All-Flo Limited Warranty. The pump itself is not a product of MMLJ, Inc. and MMLJ, Inc. will not be held responsible for the repair or replacement of said product.
  • Page 9: Diagrams And Part Lists

    DIAGRAMS AND PARTS LIST PLEASE READ CAREFULLY BEFORE OPERATING Carefully read the INSTALLATION, OPERATING, and MAINTENANCE directions supplied with the machine from the factory. If you do not have a copy, please contact your employer (supervisor) or the MMLJ Inc. Company.
  • Page 10: Db500 ® Model

    MODEL DB500 ® DB500 OVERVIEW ® 1. Pinch Hose 8. Pressure Regulator 15. Pinch Valve 2. Control Box Electric Connectors 9. Control Box 16. Abrasive Control Knob 3. Fill Port 10. Blast Pressure Gauge 17. Vibrator Valve 4. Blowdown Valve 11.
  • Page 11 DB500 MOBILE S™ ® DB500 MOBILE XL™ ® 14 20...
  • Page 12: Db800 ® Model

    MODEL DB800 ® ® DB800 OVERVIEW 1. Pinch Hose 8. Pressure Regulator 15. Pinch Valve 2. Control Box Electric Connectors 9. Control Box 16. Abrasive Control Knob 3. Fill Port 10. Blast Pressure Gauge 17. Vibrator Valve 4. Blowdown Valve 11.
  • Page 13 DB800 Mobile™ ® DB800 Dual Mobile™ ®...
  • Page 14: Db500 ® And Db800 ® Diagram

    CONNECT ITEM 53 TO ITEM 37. CONNECT ITEM 54 TO ITEM 56.
  • Page 15 NOTE: ITEMS 24, 25 & 26 ARE INSTALLED ON THE INSIDE OF TANK.
  • Page 16: Db500 ® And Db800 ® Parts List

    Item No. Description Part No. Stock No. Qty. Outlet Elbow Assembly Complete M-17 72947/001 Outlet Elbow Cap Bolts (4) M-17-D 82563/001 Outlet Elbow Cap M-17-C 131054/001 Outlet Elbow Cap Gasket M-17-G 131227/001 Outlet Elbow Insert Gasket M-23-G 131147/001 Outlet Elbow Insert M-23 73602/001 Outlet Elbow Body...
  • Page 17 Fill Cap Sleeve B-60-B-1 131031/001 Rubber Seal RING B-13-G 73620/001 Inner Nut AB-60-E 28578/001 Fill Cap Bottom Plate B-60-R1 131095/001 Outer Nut AB-60-F 77078/001 Fill Funnel Vibrator Bolt, Washer, Lock Washer & Nut Vibrator 133811/001 1/4" 90 Degree Street Elbow RC-16 73813/001 Pinch Valve Plate...
  • Page 19: Start Up And Shut Down Procedures

    GETTING STARTED START UP & SHUT DOWN PROCEDURES PLEASE READ CAREFULLY BEFORE OPERATING Carefully read the INSTALLATION, OPERATING, and MAINTENANCE directions supplied with the machine from the factory. If you do not have a copy, please contact your employer or the MMLJ Inc. Company.
  • Page 20: Getting Started

    Getting Started A NOTE TO BLASTER Allow the compressor to idle and warm up for about Before blasting, it is recommended that user reads through 15-30 seconds. You will know the compressor is ready the entirety of this manual for tips and tricks on blasting, when you hear the engine sound change and see the containment, media, pressure, and more! pressure gauge climb.
  • Page 21 Once these valves are all opened, you are ready to STEP 6. Start Blasting activate the water pump. To do this, open the Air Pilot Before you start blasting, you will need to re-pressurize Valve on the MT1, located near the pressure gauge. the machine.
  • Page 22: Choosing Your Blast Pressure

    The best things is to find a nice balance between blast pattern size and removal speed. ADJUSTING BLAST PRESSURE The Dustless Blasting system allows you to easily change the blast pressure by turning one simple knob. The higher the ®...
  • Page 23: Choosing Your Abrasive

    Abrasive (also called media) is mixed with water inside the blast tank. When blasting, you propel this mixture towards a surface at high speed, to remove paint, rust, and other coatings. TYPES OF ABRASIVE Dustless Blasting allows you to use a wide variety of abrasives, either wet or dry. For wet blasting, any abrasive that sinks ®...
  • Page 24 A common misconception is that the coarser glass will help you get through a job faster. It is true that 20/40 glass is slightly more aggressive than 40/70. However, because it's so coarse, you're only getting half as many particles of glass in the same size bag.
  • Page 25: Abrasive Comparison Chart

    Surface Surface Description Speed Hardness Bulk Density Profile Removal Sharp, long lasting 110 lbs/ft Aluminum Oxide media for fast etching Fast High Etch 8 - 9 & profiling Silica-Free, 100% recycled glass; Medium-High 100 lbs/ft Crushed Glass Fast Slight 5 - 6 efficient;...
  • Page 26: Towing Safety And Hookup Procedures

    Towing Safety and Hookup Procedures SAFETY CHECKLIST (Before you drive away) ⃣ Trailer is evenly loaded. ⃣ If carrying a pallet of media in the trailer, the water tank should always be filled to evenly distribute weight. ⃣ Toolboxes are latched and secured. ⃣...
  • Page 27: Mobile Maintenance And Best Practices

    MOBILE MAINTENANCE & BEST PRACTICES PLEASE READ CAREFULLY BEFORE OPERATING...
  • Page 28: Best Practices For Maintaining Your Mobile

    Best Practices for Maintaining your Mobile Dustless Blasting® Blast Pot CONTROL BOX MAINTENANCE The control box has its own pressure regulator. This is already set properly from the factory, and should not be tampered with under normal circumstances. However, if it gets changed accidentally, make sure you readjust it to 90 PSI.
  • Page 29 VIBRATOR CONTROL VALVE Also on the left side of your control box, you’ll find a small brass petcock valve which controls the vibrator speed. This vibrator valve must be open during blasting. Adjust it so that you feel maximum vibration at the head of the machine. This will insure that all of the media gets "shaken"...
  • Page 30: Compressor Maintenance

    Compressor Maintenance ROTAIR COMPRESSOR USER MANUALS Full user manuals for the Rotair Compressors can be found in the Dustless Blasting Academy online. ® Rotair R185T4F 185 CFM Compressor DB500 Mobile S™, DB500 Mobile XL™ ® ® Rotair R300T4F 300CFM Compressor DB800 Mobile™...
  • Page 31 This will help the compressor maintain a good running pressure until it's time to change the filter. CONTACT NUMBERS FOR COMPRESSOR SUPPORT For support and troubleshooting for your compressor, you can contact Dustless Blasting , or contact the manufacturer of ®...
  • Page 32: Containment, Masking, And Nozzle Control

    First, you’ll need a way to capture the blasting byproducts. Some heavy plastic or a tarp will do fine. Lay out your plastic and weigh the corners down, placing your project in the center. With Dustless Blasting , most of the spent abrasive will ®...
  • Page 33: Blasting In Winter

    CLEANUP At the end, it’s time to clean up the waste. Depending on how much media you used, your plastic may be too heavy to move all at once. Cut it into sections and roll it up to make it manageable. Pro tip: If you have a few hours to let the water evaporate even more, the cleanup will be much lighter and easier.
  • Page 34: Removing Blast Pot From Trailer

    Removing the Blast Pot from the Trailer PROCEDURES FOR REMOVAL You will want to unload the blast pot while it is empty of media or water. Use caution when removing from the trailer, as the blast pot is very heavy. To remove blast pot from trailer: 1.
  • Page 35: Pinch Hose Maintenance Guide

    Pinch Hose Maintenance Guide Around every 10-15 hours of blasting, we recommend rotating the pinch hose. At this time a visual inspection should be performed to insure integrity. Look at and feel it carefully for signs of wear, softness, or bulges. Replace pinch hose before it fails.
  • Page 36: Resources And Training

    RESOURCES TRAINING | SAFETY | REPLACEMENT PARTS For assistance with servicing your machine, visit: service.DustlessBlasting.com For replacement parts and accessories, visit: store.DustlessBlasting.com For training resources, visit: support.DustlessBlasting.com To submit a ticker or to find safety data sheets, business guides, authorization certificates, and warranty information, visit www.DustlessBlasting.com/support...
  • Page 37: Service Recorder

    SERVICE RECORD SERVICE PREFORMED DATE SERVICED...
  • Page 38 SERVICE PREFORMED DATE SERVICED...
  • Page 40 ® Toll Free: 1-800-727-5707 International: 1-713-869-2227 www.DustlessBlasting.com...

This manual is also suitable for:

Db500 mobile sDb800 mobileDb800 mobile dualDb500 mobile xl

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