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Blastrac 1-8DECMKI Operating Manual
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Blastrac 1-8DECMKI Operating Manual

Shot blasting system
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MODEL
1-8DECMKI
Shot Blasting System
WALK BEHIND MANUAL PUSH
Trust the Original Surface Preparation Experts
blastrac.com
800.256.3440

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Summary of Contents for Blastrac 1-8DECMKI

  • Page 1 MODEL 1-8DECMKI Shot Blasting System WALK BEHIND MANUAL PUSH Trust the Original Surface Preparation Experts blastrac.com 800.256.3440...
  • Page 2 Operating Instructions 1-8DEC 230V Safety Instructions Section 1 Safety Instructions Safety Mechanical Safety Electrical Safety Ventilation...

  • Page 3: Safety Instructions

    A thorough understanding of your Blastrac machine will help ensure that the machine can be operated efficiently and safely. No instructions, written or verbal, can be effective without the use of sound judgment and good work practices in the operation and maintenance of the equipment.
  • Page 4 1.2 Safety Mechanical 1. Before performing any type of maintenance on your Blastrac equipment, be sure that all moving parts have completely stopped. The blast wheel, for example, may continue to rotate for a period of time once it has been deactivated.
  • Page 5 8. Obey all safety and danger signs posted on the machine and all information posted where the machine is being operated. 9. Do not operate Blastrac machinery in the rain or when heavy moisture is present. Do not expose the abrasive supply to any type of moisture. Sticky, tar related and rubber surfaces should be avoided when using Blastrac machinery.
  • Page 6 1.3 Safety Electrical 1. CAUTION - Line terminals may be alive when main switch is in “OFF” position. Disconnect all power before opening enclosure doors. 2. WARNING - DO NOT operate the equipment with the electrical panel door(s) open. 3. WARNING - The opening of any of the branch circuit protective devices may be an indication that a fault current has been interrupted.
  • Page 7 Sustained improper motor rotation can damage machine components. Your Blastrac Blast Unit can be operated on 208/230 volt, single phase, 60-Hertz power ONLY. Do not attempt to operate this equipment on 50-Hertz power. A 50-Hertz blast unit is available by contacting Blastrac.
  • Page 8 Operating Instructions 1-8DEC 230V Operator Responsibilities Section 2 Operator Responsibilities...
  • Page 9 Maximum Ampere Circuit @ 208/230V 17 AMP 2. The operator shall provide personnel who have been trained by a Blastrac Technician for the operation and maintenance of Blastrac equipment. 3. The operator shall provide the necessary blasting media in accordance with the recommendations of a Blastrac technician so that the machine will operate at maximum efficiency.
  • Page 10 Operating Instructions 1-8DEC 230V Description and Function Section 3 Blast Unit – General Blast Unit – Abrasive Cleaning Head Blast Unit – Abrasive Control Valve Blast Unit – Rebound Chamber (Plenum) Blast Unit – Deflector Plate / Hopper Blast Unit – Abrasive Seals Blast Unit –...
  • Page 11 Description and Function 3.1 Blast Unit – General The Blastrac equipment series described herein includes the 1-8DEC 208/230V Blast Unit. This model is used in conjunction with the Turbo Vacuum Dust Collector. Each combination comprises a horizontal surface preparation, closed cycle, shotblasting system.
  • Page 12 Operating Instructions 1-8DEC 230V Description and Function 3.2 Continued This blast wheel is enclosed in an abrasion resistant housing that is also lined with abrasion resistant liners. These liners are located in areas where the most wear is present. The operator can change them periodically to protect the housing. horsepower, 3600-rpm electric motor, drive the blast wheel.
  • Page 13 Operating Instructions 1-8DEC 230V Description and Function 3.4 Rebound Chamber (Plenum) Once the abrasive has impacted the work surface, the shot is directed into the rebound plenum. This curved portion of the machine absorbs a large percentage of the force exerted by the high velocity abrasive and helps dissipate the heat generated by the blast process.
  • Page 14 Operating Instructions 1-8DEC 230V Description and Function 3.7 Chassis All components on the blast unit are mounted on a hand-propelled unit. The operator’s handle can be pushed down to allow the operator to lift the blast seal over small obstructions. Once the machine is raised in this manner, gravity will force it down once the obstruction has been cleared.
  • Page 15 Operating Instructions 1-8DEC 230V Description and Function 3.10 Filter Chamber The central part of the BDC-1216 Vacuum is the filter chamber. Dust laden air enters the chamber from the blast machine through the exhaust hose and into the vent hose connection located at the top of the separator lid.
  • Page 16 Operating Instructions 1-8DEC 230V Description and Function 3.12 Continued 4. The dust-laden air from the air wash is directed through the separator and into the flexible hose. The air moves through the flexible hose to the dust collector with sufficient velocity to carry the dust and fine particles. 5.
  • Page 17 This steel abrasive is made of high quality martensitic steel to provide long operating life and minimal abrasive breakdown. The selection of proper abrasive is very important to the performance of the Blastrac shot cleaning system. Your Blastrac representative can help with the proper selection...
  • Page 21 Operating Instructions 1-8DEC 230V Start-Up Procedures and Precautions Section 4 Start-Up Blast Cleaning Shut-Down...
  • Page 22 Also, Blastrac highly recommends that all operating and maintenance personnel receive a thorough training regimen from an authorized Blastrac representative before attempting to operate or maintain this equipment. 1. The blast unit and dust collector should be moved to the cleaning site.
  • Page 23 13. Check the area you are about to clean. Be sure that it is free of all debris that can clog or damage the equipment. Be sure that the surface is moisture free. Blastrac machinery is designed to work on clean, dry surfaces only.
  • Page 24 Caution: Do not allow any type of equipment to run over the power cable or the exhaust hose. Always avoid long power cord extensions. Contact a Blastrac representative for extension cord details.
  • Page 25 Operating Instructions 1-8DEC 230V Start-Up Procedures and Precautions 4.2 Continued Blasting during a turn will create an uneven profile. Once an area has been cleaned, the blast unit and the dust collector can be moved to an adjacent location to continue cleaning. 4.
  • Page 26 Operating Instructions 1-8DEC 230V Setting the Correct Blast Pattern Section 5 Setting the Correct Blast Pattern...
  • Page 27 There are four major factors that can affect the blast pattern. They are: 1. Wheel Rotation - The blast wheel must be rotating in the proper direction indicated on the housing that surrounds the blast wheel. Most Blastrac machines rotate in a counter-clockwise direction when looking at the machine from the operator’s position.
  • Page 28 Operating Instructions 1-8DEC 230V Setting the Correct Blast Pattern 5.1 Setting the Correct Blast Pattern should be between 11:30 and 9:30 as indicated in the illustrations. The resultant- cleaning path will determine the final setting. These settings can vary with the abrasive size and the surface being cleaned.
  • Page 29 Operating Instructions 1-8DEC 230V Edging Mode Section 6 Edging Mode...
  • Page 30 Operating Instructions 1-8DEC 230V Edging Mode 6.1 Edging Mode Refer to Figure Number 5 The model 1-8DEC 208/230V is capable of cleaning surfaces within 1 / 2 inch of vertical obstructions. (This is along the side of the machine. The 1-8DEC can be pushed as close as 1-1/2 inches from the front of the machine.) Performing the following steps sets up the edging mode: 1.
  • Page 32 Operating Instructions 1-8DEC 230V Equipment Calibration Section 7 Equipment Calibration...
  • Page 33 4. Exhaust Hose Length - 25 feet of 2-1/4-inch diameter exhaust hose; longer or shorter sections of hose may affect abrasive consumption or abrasive cleaning. Contact your Blastrac representative before changing the exhaust hose length. 5. Dust Collector – Inspect Dust Collector at 15-minute intervals to see how quickly the dustbin is being filled.
  • Page 34 Operating Instructions 1-8DEC 230V Equipment Calibration 7.1 Continued 7. Amperage – The amperage reading during normal operation at 208/230 volts should not exceed 17 amps. To help ensure that this limit is not exceeded, the abrasive control handle has a screw/lock adjustment to keep the abrasive valve from opening too far.
  • Page 35 Operating Instructions 1-8DEC 230V Wear Parts Section 8 Wear Parts Maintenance Log...
  • Page 36 Thin at Wheel Entry Remove and replace Remove and replace; Control Cage 5 Hrs. Eroded Edges adjust pattern Rebound Thin Sections; Contact Blastrac 50 Hrs. Chamber Wear on Welds. Service Center Thin Sections; Abrasive Contact Blastrac 20 Hrs. Wear at Welds;...

  • Page 37: Wear Parts

    Bearings – Inspect set screws and grease Checked Change Inspect power cord for damage Checked Change Magnets & Seals – Inspect for wear Checked Change Traction Drive – Inspect chain & sprockets Change working smoothly Visit us on the web @ www.blastrac.com...
  • Page 38 Operating Instructions 1-8DEC 230V Blast Wheel Replacement Section 9 Blast Wheel Replacement...
  • Page 39 Operating Instructions 1-8DEC 230V Blast Wheel Replacement 9.1 Blast Wheel Replacement CAUTION: ALL ELECTRIC POWER MUST BE DISCONNECTED AND ALL ROTATING PARTS MUST BE COMPLETELY STOPPED BEFORE ATTEMPTING THIS PROCEDURE. 1. Loosen the two control cage clamps that secure the feed spout and control cage. 2.
  • Page 40 Number 2. These parts must be maintained in good operating condition in order to enhance the life of the bearing unit and the electric motor that is used to deliver power to the blast wheel. Blastrac parts are supplied in a state of accurate balance with machined surfaces for safe, reliable operation.
  • Page 41 Operating Instructions 1-8DEC 230V Troubleshooting Section 10 10.1 Troubleshooting – Blast Unit 10.2 Troubleshooting – Ventilation System (Dust Collector) 10.3 Vacuum Adjustment 10.4 Troubleshooting - Electrical...

  • Page 42: Troubleshooting

    Operating Instructions 1-8DEC 230V Troubleshooting 10.1 Troubleshooting – Blast Unit NOTE: ALL SERVICE OF BLASTRAC EQUIPMENT REQUIRES A THOROUGH AWARENESS OF THE WARNINGS AND PRECAUTIONS IN SECTION 1 OF THIS MANUAL Troubleshooting List...Blast Unit...Mechanical Malfunctions Trouble Probable Cause Remedy Excessive vibration - Unevenly worn wheel.
  • Page 43 Operating Instructions 1-8DEC 230V Troubleshooting 10.1 Continued Increased cleaning time. Improper abrasive feed Check ammeter reading. Low to wheel. reading indicates insufficient abrasive getting to wheel. Storage hopper. Check abrasive level. Contaminated abrasive. Abrasive may contain substantial percentage of fines and contaminants.
  • Page 44 Operating Instructions 1-8DEC 230V Troubleshooting 10.1 Continued Abrasive leakage. Improper sealing. Check all seals for wear. Feed spout Check feed spout alignment and rubber seal. Improper control cage Abrasive rebounding from side of setting. machine. Check blast pattern. Abrasive valve setting Be sure abrasive valve closes when handle is released.
  • Page 45 Refit properly. installation. 10.3 Vacuum Adjustment For normal concrete surfaces, Blastrac does not recommend using more than the 25 feet of exhaust hose supplied with the blast system. Adding additional hose can cause insufficient suction, which will allow unwanted dust and contaminants to accumulate in the abrasive, thereby causing premature wear to the blast wheel and liners.

  • Page 46: Troubleshooting - Electrical

    Operating Instructions 1-8DEC 230V Troubleshooting 10.3 Continued A period of trial and error may be necessary for specific job applications. Generally speaking, the more dust generated by your shotblasting unit, the greater the suction you will need from the dust collector to keep the abrasive as clean as possible. 10.4 Troubleshooting –...
  • Page 47 Operating Instructions 1-8DEC 230V Electrical Troubleshooting Section 11 11.1 Electrical Troubleshooting 11.2 General 11.3 Blast Unit...
  • Page 48 1-8DEC 230V Electrical Troubleshooting 11.1 Electrical Troubleshooting NOTE: ALL SERVICE OF BLASTRAC EQUIPMENT REQUIRES A THOROUGH AWARENESS OF THE WARNINGS AND PRECAUTIONS IN SECTION 1 OF THIS MANUAL. The following icon is used in this section:  Equals a Troubleshooting suggestion.
  • Page 49 208/230 volts is 17 amps. This amperage should not be exceeded or the life of the motor will be diminished. Blastrac recommends that if the machine is operated at 208/230 volts that the cable length not exceed 50 feet.
  • Page 50 Operating Instructions 1-8DEC 230V Specifications Section 12 12.1 Specifications...
  • Page 51 Operating Instructions 1-8DEC 230V Specifications 12.1 Specifications Blastrac Model 1-8DEC 230V Table 1: 1-8DEC MECHANICAL DATA Length (Base) 22 inches Length (including handle in normal 40 inches position) Height (excluding handle) 36 inches Height (including handle in normal 37 inches...

  • Page 52: Product Warranty

    13201 North Santa Fe Avenue  Oklahoma City, OK 73114  Ph: 800-256-3440  F: 405-478-8608 blastrac.com Product Warranty Standard Equipment Products: Blastrac warrants its Blastrac Standard Equipment Products against defects in quality of material and workmanship, under normal and proper use for a period of 1 Year from the date of delivery, as noted on the returned warranty registration card, or, in the case of Rental Fleet Machines, 180 Days from the date of assignment to Rental Fleet.
  • Page 53 Blastrac Returned Merchandise Authorization (RMA) Form. Blastrac will then send the RMA form to the customer authorizing the return of the parts for warranty evaluation. The parts must be received within sixty (60) days following the RMA origination date or the warranty claim will be denied.
  • Page 54 ® the information recorded here by registering online at blastrac.com, or complete this page and fax to 866-485-1046, or if you prefer, detach and mail to: Blastrac, 13201 North Santa Fe Avenue, Oklahoma City, OK 73114-9901...