Excessive air pressure can cause the unit to burst causing personal injury and damage to property. AIR SUPPLY HAZARD. • Install a ball valve in the supply line
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2 Eastwood Technical Assistance: 800.544.5118 >> email@example.com Eastwood Dual Blaster allows you to strip, clean and blast with our specially designed ﬁmixing valveﬂ to instantly switch from Soda Media to Abrasiv e and back again in seconds. Before attempting to operate your new blaster, please read these instructions thoroughly. You will need these instructions for the safety warnings, precautions, assembly, operation, maintenance procedures, parts list, diagrams, and troubleshooting. The warnings, cautions and instructions discussed in this instruction manual cannot cover all possible conditions or situations that could occur. It must be understood by the operator that a certain level of expertise is required before attempting to operate this equipment .SPECIFICATIONS Tank Volume (2X) 10 gallons / 100 lbs. abrasive or 75 lbs. of soda media. Hose Length 8 ft. x 1/2″ i.d. Working Pressure 60-125 psi Air Consumption 6-25 cfm
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To order parts and supplies: 800.345.1178 >> eastwood.com 3 WARNING indicates a hazardous situation which, if not avoided, will result in death or serious injury. SAFETY INFORMATION READ INSTRUCTIONS Thoroughly read and understand this manual before using the Eastwood Dual Blaster. Save for future reference. HEALTH HAZARD † Silica based abrasives have been linked to severe respiratory disease. Do not use sand or silica based abrasives with this bl aster. † The dust produced by abrasive blasting can contain hazardous materials such as lead, zinc chromate, cadmium, and other toxic compounds depending on the substrate being blasted. Always wear a NIOSH approved breathing apparatus when abrasive blasting. † Never operate the abrasive blaster indoors. SEVERE INJURY – ABRASIVE SPRAY † The abrasive blast stream from this unit can cause severe eye injury and blindness. Severe skin abrasion and ˜ esh removal ca n quickly occur from exposure to the blast stream. † Eye protection must be worn at all times when using the Abrasi ve Blaster. Use ANSI approved safety glasses at all times, even when using a blast hood. † Wear heavy, abrasive-resistant rubber blasting gloves to protect hands and forearms from abrasive injury. SHOCK HAZARD † Under certain conditions (low humidity and certain types of blast media) the friction of abrasive blasting can generate a sta tic electricity charge resulting in signi˚ cant static shocks. BURSTING HAZARD † Air inlet pressure must not exceed 125 psi. Excessive air pressure can cause the unit to burst causing personal injury and damage to property. AIR SUPPLY HAZARD † Install a ball valve in the supply line so that air can be shut off quickly in an emergency. † Always disconnect the air supply and release pressure from the tanks before re˚ lling with media, storing, servicing, or changing accessories. † Discharge the tool in a safe fashion after the air supply is shut off to ensure that all residual air is bled from the tank a nd hoses. † To prevent injury from accidental operation, do not install a fe male quick connect coupling to the blaster. Such couplers con tain a valve that shuts off automatically upon disconnection and allows the air tanks to remain charged after they are disconnected fr om the air supply. † Check for damage or wear regularly and replace any worn or damaged parts before use. † Always check to make sure the dead man valve is closed before connecting the air supply to the blaster. † Never use oxygen, carbon dioxide, combustible gasses, or any other bottled gas to operate this tool. These gasses work at pre ssures capable of bursting this tool™s tanks, or are explosive and ˜ ammable.
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4 Eastwood Technical Assistance: 800.544.5118 >> firstname.lastname@example.org Upper Loop Frame Wheels Front Support Loop Abrasive Tank (red valves) Inlet Manifold Soda Tank (green valves) Blast Hoses 2-1 Manifold Moisture Trap/Inlet Valve Pressure Gauge Hardware/ Teß on Tape Funnel Face Shield Blast Discharge Nozzle (Dead Man Valve) Mounting TabsMounting Tabs NOTE: ABRASIVE BLASTING HOSES MARKED WITH RED VALVES Ð SODA BLASTING HOSES MARKED WITH GREEN VALVES INCLUDES (1) Dual Tank Assembly (pre-assembled with: Lower Frame and Axle Assembly; Inlet Manifold Assembly) (1) Upper Loop Frame (2) Wheels (1) Front Support Loop (1) Blast Discharge Nozzle (Dead Man Valve) (w/ 3.5mm Nozzle, #12113, installed) (1) 2mm Nozzle (1) 2.5mm Nozzle (1) 3.0mm Nozzle (1) Deadman Valve Sealing Pad (1) Blast Hose Assembly with 2-1 Manifold (1) Moisture Trap / Inlet Valve (1) Pressure Gauge (1) Face Shield (1) Funnel (1) Te˜ on Tape (4) Washers (4) Cotter Pins (4) 1/2″ Long Socket Head Cap Screws (1) Hex Wrench
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To order parts and supplies: 800.345.1178 >> eastwood.com 5STEP 5STEP 5 STEP 4STEP 4 STEP 7STEP 7 STEP 6STEP 6 STEP 8STEP 8 STEPS 11-12STEPS 11-12 STEP 13STEP 13 ASSEMBLY 1. Remove Dual-Tank Assembly from container and place on a soft work surface for assembly. 2. To assemble Upper Loop Frame to Lower Frame and Axle Assembly: Locate the two 1-1/4ﬂ long Phillips head screws and nuts attaching the upper, outward curved mounting tabs of the two tanks to the Lower Frame and Axle Assembly. Remove and retain the two Phillips head screws and nuts. Place the tubular sides of the Upper Loop Frame over the swaged ends of the Lower Frame and Axle Assembly. Re-attach this assembly to the 2 outward curved tank mounting tabs with the 1-1/4ﬂ long Phillips head screws and nuts. 3. Install the 2 wheels, with offset hubs inward, onto axle ends with wash- ers on both the inboard and outboard sides. Push Cotter Pins through holes in axle and bend split ends around axle. 4. Slide the Front Support Loop over the leg stubs welded to the front of the tanks. Place a cotter pin in each hole and fold split ends over. 5. Attach Inlet Manifold to the tab on the crossmember of the Frame As- sembly with 4 included 1/2ﬂ long socket head cap screws. 6. Using Te˜ on Tape, thread the Pressure Gauge into the open port on the top of the Inlet Manifold and tighten. CAUTION: these are tapered pipe threads and over tightening will cause permanent damage. 7. Using Te˜ on Tape, thread the Moisture Trap and Inlet Valve into the rear facing port of the Inlet Manifold and tighten. CAUTION: these are tapered pipe threads and over tightening will cause permanent damage. IMPORTANT NOTE: The Eastwood Dual Blaster combines two separate blasting systems using one Discharge Nozzle. The Soda System is identi˚ ed with GREEN valves while the Abrasive System is identi˚ ed with RED valves. When viewed from the back (wheel side) the RED (Abrasive) is on the LEFT and the GREEN (Soda) is on the RIGHT. When making hose connections, it is vitally important to keep the systems as designated. 8. Using Te˜ on Tape, thread the female ˚ tting of the right (SODA) pres- sure hose into the right front male ˚ tting on the Inlet Manifold and tighten. CAUTION: these are tapered pipe threads and over tightening will cause permanent damage. 9. Repeat previous step for the left (ABRASIVE) pressure hose. 10. To provide access to the manifold assemblies on the underside of the tanks, gently lay the unit on its back using one of the foam packing blocks, or other suitable object for support to keep the Moisture Trap and Inlet Valve from hitting the ˜ oor. 11. Attach the right side SODA blast hose (GREEN VALVE) to the barbed ˚ tting and securely tighten the hose clamp. NOTE: Be certain that the GREEN VALVE at the tank end corresponds to the GREEN VALVE at the Discharge Nozzle end. 12. Repeat previous step for the left (ABRASIVE) blast hose. 13. Using Te˜ on Tape, thread the Blast Discharge Nozzle to the 2-in-1 Manifold. CAUTION: these are tapered pipe threads and over tighten- ing will cause permanent damage. STEP 3STEP 3 STEP 2STEP 2
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6 Eastwood Technical Assistance: 800.544.5118 >> email@example.com BEFORE BEGINNING Before beginning any blasting, the separate Soda Blasting and Abrasive Blasting systems must be individually adjusted for optim al ˜ ow. Failure to do so will result in inef˚ cient operation and wasted media. This manual is divided into two sections, Blasting With Soda and Blasting wit h Abrasive Media. Please follow the individual following procedures for Soda Blasting (GREEN SIDE) and Abrasive Blasting (RED SIDE). SODA BLASTING (GREEN VALVES) Although the Bicarbonate of Soda (Baking Soda) blasting media itself is safe in most situations, appropriate care should be tak en when using or disposing as some removed paints and coatings may contain some levels of hazardous materials such as lead, zinc chromate, etc. Additional protection may be required in the presence of these substances. Soda Blasting Media is highly susceptible to moisture absorption which will cause clumping and erratic operation. To insure pro per function, it is imperative to have an effective moisture ˚ lter and or desiccant system in the air supply immediately before the Air Inlet. Be sure to drain any moisture captu red in the moisture ˚ lter before and after each use. Failure to do so may cause ﬁcakingﬂ of media and complete blockage of equipment. SODA OPERATION 1. Carefully ˚ ll the unit per Blaster Instructions using a screen sifter and funnel. NOTE: a suitable screen sifter such as Eastwood #50417 Sifter/Funnel must be used to capture any clumps present in the bag of media. 2. Close all four valves and connect the air supply. DO NOT EXCEED 125 PSI. For best results, begin with a blaster inlet pressure of 80 to 90 PSI. To avoid media clumping or caking, be certain to have a clean, moisture free air supply that includes an effective moisture ˚ lter or desiccant system. 3. Open the Inlet Air Supply Valve slowly and carefully while checking for leakage. 4. Slowly open the Throttling Valve (FIG. 1) to the 12 position while checking for leakage. NOTE: This valve will require ˚ ne tuning to provide optimal media ˜ ow based on media formulation, air pressure and desired volume. 5. Slowly open the Media Flow Valve (FIG. 2) to the full position while checking for leakage. 6. You may now direct the nozzle toward your work and depress the Nozzle Discharge Lever. NOTE: Some slow, pulsing discharges of media can be expected until the ˜ ow begins. 7. Once a steady ˜ ow of media is observed, begin by holding the nozzle 6ﬂ to 12ﬂ from the work surface at a 30°-45° angle for best results. 8. Hold the stream against the work until it abrades through the coating revealing an edge. 9. Use the stream as a ﬁwedgeﬂ working at the edge to quickly remove the coating. 10. At this point you can vary the position of the Throttling Valve (FIG. 1) from the initial 12 open starting setting to achieve an optimum air/media ratio. NOTE: As there are many variables affecting the ˜ ow such as media formulation, hardness of coating, air volume, air pressure and atmospheric conditions, this process requires a bit of ﬁtrial and errorﬂ by experimenting with distance, angle and throttle position. You will quickly become pro˚ cient at determining the ideal settings. 11. When re˚ lling the tank becomes necessary, ˚ rst shut off the Inlet Air Supply Valve, The Throttling Valve and The Flow Valve. For safety, disconnect the air supply. Next, open the Purge Valve to release all tank pressure. You may then open the Tank Filler Cap and re˚ ll following the procedure in step 1. 12. All unused media MUST be drained from the tank when completing work as any moisture present in the tank will drain to the bottom of the tank and can create a solid ﬁcakeﬂ with the media, requiring complete disassembly of the apparatus at the bottom of the tank. NOTE: Failure to properly seal or over tightening ˚ ttings can lead to component failure which could result in sudden air pressure release and cause serious injury. 13. To drain unused media from the tank, place the open end of The Clear Purge Hose into a suitable container such as a large bucke t or sturdy box with closed seams and cover with a blanket. Using extreme care, slowly open the Purge Valve and direct the stream of media into the container. Throttle Valve (shown in halfway position) FIG 1FIG 1 FIG 2FIG 2 Media Flow ValveMedia Flow Valve Purge ValvePurge Valve
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8 Eastwood Technical Assistance: 800.544.5118 >> firstname.lastname@example.org ABRASIVE BLASTING (RED VALVES) Always wear your blast hood, NIOSH approved respiratory protecti on, ANSI-approved safety glasses and heavy duty canvas gloves w hen operating the abrasive blaster. Before operating your abrasive blaster, inspect each connection, double checking to make sure that all are tight and properly s ealed. THIS MACHINE IS NOT INTENDED FOR USE WITH SILICA BASED ABRASIVES. SILICA BASED ABRASIVES HAVE BEEN LINKED TO SEVERE RESPIRATORY DISEASE. LOADING ABRASIVE 1. Before opening tank, be sure that it is not pressurized and the air gauge reads ﬁ0ﬂ. 2. To release the pressure from the Tank, press Blast Discharge Nozzle until air stops. 3. Check to make sure the abrasive is dry and clean so that it does not clog the unit. Use 80 grit or ˚ ner material. 4. Close the brass Air Supply Valve by turning it to the vertical position. 5. Remove the Filler Cap. 6. Using the Funnel, pour the selected abrasive media into the tank. Do not ˚ ll the tank more than 3/4 full. If humidity in your region is 90% or more, only ˚ ll the tank half full and check the water trap more frequently. 7. Close the Filler Cap securely, assuring o-ring is in place. 8. To avoid damage, it is advisable to have your compress or located in another room away from damaging debris. TO START ABRASIVE BLASTING Start with all valves in the closed position. Following the inst ructions below will help prevent the formation of clogs in the abrasive hose, outlet manifold and the Blast Discharge Nozzle. 1. Connect air compressor to the Inlet Connector. 2. Open Air Supply Valve. 3. Open Throttling Valve. 4. Check for leaks at the Filler Cap and along all hoses and ˚ ttings as the system pressurizes. If leaks are observed, release th e pressure from the tank and repair immedi- ately. 5. Point Blast Discharge Nozzle in a safe direction away from people, pets or anything around you that may be harmed by direct or indirect abrasive spray. 6. Press and hold Blast Discharge Nozzle until air is ˜ owing through the nozzle. 7. With the Blast Discharge Nozzle open, slowly open the Abrasive Control Valve until abrasive material begins to ˜ ow out of the Blast Discharge Nozzle. 8. Abrasive Flow Adjustment as follows: NOTE: The Abrasive Flow is a ˚ nely tuned combination of two adjustments which can vary with different media and atmospheric conditions. -Adjust air pressure with the Throttling Valve. The Throttling Valve controls the velocity of material flow. -Adjust abrasive flow with Abrasive Control Valve. The Abrasive Control Valve controls the amount of abrasive in the stream. -Watch for abrasive clogging. Release pressure from the tank if necessary and replace the abrasive with drier or cleaner abrasiv e.9. Begin blasting. TO STOP BLASTING 1. While continuing to press and hold the Blast Discharge Nozzle, turn the Abrasive Control Valve to the closed position (this is to prevent any clogging.) 2. When you notice only air (no abrasive) is coming out of the Blast Discharge Nozzle, you can stop the air ˜ ow by releasing the trigger. This ensures a clean and clog-free manifold, hose, and safety trigger.
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To order parts and supplies: 800.345.1178 >> eastwood.com 9RELEASING PRESSURE FROM THE TANK 1. When you are ˚ nished blasting, point Blast Discharge Nozzle in a safe direction away from people, pets or anything around you that may be harmed by direct or indirect abrasive spray. 2. Press and hold the Blast Discharge Nozzle to expel any remaining abrasive material from the Abrasive Hose. 3. Close the Abrasive Control Valve. 4. Release pressure on the Blast Discharge Nozzle. 5. Close the Throttling Valve and the Air Supply Valve. 6. Disconnect air supply hose from abrasive blaster. 7. Press the Blast Discharge Nozzle until air stops ˜ owing and Pressure Gauge reads ﬁ0ﬂ. Pay particular attention to the Abrasive Hose, the Abrasive Control Valve, and the Nozzles as they will wear out much more quic kly than the other pieces. The Abrasive Hose needs to be replaced immediately if its side walls develop leaks or show blisters in the surface. Do not use if any of these problems are present. ABRASIVE SELECTION The kind of abrasive you choose will greatly in˜ uence the amount of time needed to clean a given surface area. Abrasive materi als include glass beads, aluminum oxide, and oth- ers. For best results, use 80 grit abrasive or ˚ ner. Do not exceed 80 grit media size. † Make sure that the abrasive you use is thoroughly dry. Damp abrasive can cause clogging of your abrasive blaster. † While you may reuse abrasive, remember that abrasive does wear out. After use, abrasive becomes smoother and rounder, thus reducing abrasive effectiveness. † Reusing abrasive may also cause clogging due to debris contained in the mixture from prior use. ABRASIVE BLASTING SUPPLY REQUIREMENTS Hose Inside DiameterHose LengthNozzle IDApprox. Compressor HPCFM @ 125 psiAbrasive Use/Hr 3/8″50’2mm2630 lbs. 3/8″25’2.5mm41280 lbs. 1/2″50’3mm720120 lbs. 1-1/2″15’3.5mm1025150 lbs.
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10 Eastwood Technical Assistance: 800.544.5118 >> email@example.com MAINTENANCE 1. Keep your Eastwood Dual Blaster clean, and protect it from damage. 2. Release pressure from the tank after each use. 3. When initially pressurizing, check for leaks at the tank top and at all hoses and ˚ ttings. Leaking joints may be repaired by r eplacing worn or damaged parts and using te˜ on tape at joints. 4. Check for worn abrasive hose and ˚ ttings. The Abrasive Control Valve, manifold, and all parts after the abrasive is ejected fr om the tank are subject to rapid wear due to the ˜ ow of abrasive. Watch especially for leaks, blistering, bu lging or thinness of the hose. Replace any parts which appear w orn. Full Soda Ð No AbrasiveInÞ nite Mix Between Soda/Abrasive Full Abrasive Ð No Soda GREEN VALVE fully openRED VALVE fully closed GREEN VALVE partially openRED VALVE partially openGREEN VALVE fully closed RED VALVE fully openSWITCHING BETWEEN SODA (GREEN) & ABRASIVE (RED) 1. Release Blast Discharge Nozzle shutting off the media ˜ ow. 2. Close Soda Valve (Green) and open Abrasive Media (Red) to switch from Soda to Abrasive. 3. Depress Safety Trigger allowing ˜ ow although the opposite media will continue to ˜ ow until the hose has cleared.
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To order parts and supplies: 800.345.1178 >> eastwood.com 11WARRANTY This product has a one year warranty covering any manufacturing defects. Despite our strict quality control standards implement ed during our manufacturing process, sometimes a product gets shipped that does not meet our speci˚ cations. If you have a product that does not work correctly, you must cont act the Eastwood Company at 800-345-1178 to acquire a Return Authorization Number. ACCESSORIES #22022 Blast Media Sifter Screen #22122 Hardware Basket for Abrasive Blasting #50417 Abrasive Media Funnel Strainer #22095 Deluxe Abrasive Blasting Hood #14838 Half Mask Respirator #14844 Full Mask Respirator MEDIA #11806 50lb Basic Soda Blast Media #11807 50lb XL Soda Blast Media #22023 50lb Glass Bead Media, 70-100 Grit #13772 50lb Glass Bead Media, 100-170 Grit #22021 50lb Aluminum Oxide Media
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