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Original instructions in English
OPERATING INSTRUCTIONS
BG-250E, BG-250P, BG-250A, BG-250 TWIN
VERSION 2.6

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Summary of Contents for Blastrac BG-250A

  • Page 1 Original instructions in English OPERATING INSTRUCTIONS BG-250E, BG-250P, BG-250A, BG-250 TWIN VERSION 2.6...
  • Page 2: Maintenance Log

    Inspection comments Inspection before initial operation on: __________________________________________ __________________________________________ Date of initial operation: __________________________________________ Serial number & Year of manufacture: __________________________ _____________ Recurring inspections / maintenance log Date / Hour counter Findings Repairs / Cleaning Test *Competent person...
  • Page 3: Table Of Contents

    Table of contents Maintenance log 1. Introduction 2. Machine description Accessories 3. Safety Work area safety Electrical safety Personal safety Machine safety Grinding safety Dust collector safety Petrol version safety Battery safety Asbestos safety 3.10 Maintenance safety 3.11 Transport safety 3.12 Signs on the machine 4.
  • Page 4: Introduction

    This machine is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge. Blastrac BV offers a course on the use of the machine in order to make the operating and maintenance personnel familiar with all elements of the machine.
  • Page 5 Under pressure meter / Differential pressure switch The BG-250A can be used to remove material which can be potentially dangerous for health, for example asbestos. The BG-250A has an additional safety feature: the under pressure meter (differential pressure switch) which monitors the suction power of the dust collector. If the connected dust collector does not have enough suction power or it is turned off, the machine will turn off automatically.
  • Page 6: Accessories

    Accessories E01419 BG707116 E09250 Disc 250mm hard Blue Stardisc Blue 250mm E01402 BG707117 ARROW GRINDING DISC Disc 250mm middle Green Stardisc Green 250mm Ø250 MM BG707118 E01417 Disc 250mm soft Red Stardisc Red 250mm BG707114 Stardisc Black 250mm E12020-250PCDG 005014SR BG707115 BG707250-1 PCD GRINDING DISC Ø250 MM...
  • Page 7: Safety

    3. Safety Warning! Read all safety warnings and all instructions. Failure to follow the warnings and instructions may result in electric shock, fire, explosions and / or serious injuries. Only authorized and trained personnel may operate this machine. This machine is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge.
  • Page 8: Personal Safety

    If the length of the brushes is, due to wear, less than 5mm or they are extremely deformed, the brushes have to be replaced. Check the Service Manual for the order numbers. All repair work has to be done by qualified Blastrac personnel, this guarantees a safe and reliable machine.
  • Page 9: Grinding Safety

    Dustcollector safety a) Always use a Blastrac dust collector to ensure a dust-free operation of the machine and clean air at the workspace. Also the airflow helps to cool the machine and prevents overheating. b) When working on or around carcinogenic or pathogenic substances, the dust collector must be fitted with a HEPA filter.
  • Page 10: Battery Safety

    READ THE OPERATING INSTRUCTIONS OF THE PETROL MOTOR BEFORE USING IT! Battery safety (12V) a) Only use Blastrac approved batteries. Blastrac cannot guarantee the safety of the machine when other batteries are used. b) Every service work on batteries should only be done by trained personnel.
  • Page 11: Maintenance Safety

    s) The machine and dust collector used in the black area may only operate in the white area after complete cleaning, including the motor housing. For engines with bypass cooling the cooling air ducts have to be clean. When maintenance or repair procedures are carried out, all the contaminated elements that cannot be properly cleaned, must be destroyed.
  • Page 12 p) Only lift the machine as shown in the picture below.
  • Page 13: Signs On The Machine

    3.12 Signs on the machine The following stickers are placed on the machine. Meanings of these symbols are: Wear a dust mask class FFP2 or ! Danger Hazardous voltage in motor higher. even when solid state controller is OFF. Disconnect main power before servicing motor, controller or associated wiring.
  • Page 14: Initial Operation

    4. Initial operation Before using the machine it is essential to inspect the machine. It is not permitted to use the machine if the machine safety is not according the checkpoints below. Before switching on the machine make sure that no-one can be endangered when the machine starts up! Checkpoints power supply Use only extension cables for extending the main cable that are sized and marked in accordance with ...
  • Page 15: Changing The Diamond Disc

    Changing the diamond disc Read chapter 3 “Safety” before changing the disk. Warning! Always wear Personal Protective Equipment! The dust can be hazardous to the health! Wear a dustmask! The disk can get hot! Don’t risk burning your hands! Wear protective gloves! ...
  • Page 16: Operating

    5. Operating During operating the machine, the following additional safety instructions must be followed closely. Before switching on the machine make sure that no-one can be endangered when the machine starts up. Make sure that no vehicles, such as forklift trucks and other equipment run over the electric cable and the dust hose.
  • Page 17: Switching On The Petrol-Version

    Switch on the BG-250P Turn on the dust collector before switching on the  machine. Connect the dust hose with the machine  Open the fuel valve (1)  Stand behind the machine  Make sure that the machine stands on the machine ...
  • Page 18: Asbestos Version

    The BG-250A (asbestos version) can be used to remove carcinogenic or pathogenic substances which are dangerous for health, for example asbestos. To ensure the safety of the operator, the BG-250A has an extra safety mechanism. The differential pressure switch which monitors the suction power of the dust collector.
  • Page 19: Operation With Bushhammer Tools

    Operation with bushhammer tools The BG-250E can be used with bushhammer tools, however, in the normal configuration the RPM’s of the BG- 250E are too high for bushhammering. To reduce the RPM’s, the pulley of the grinding motor and the pulley of the bearing unit have to be exchanged.
  • Page 20 Change the wheels to the lowest hole in the frame. See pictures. (Changing the wheel height has to be done on all BG-250 models) Grinding Bushhammers Mounting the E12525 - BG-250 floating shroud for bush hammer tools: E12525 BG-250 floating shroud for bush hammer tools BE0655 M6 8x12 Hexagon socked head shoulder bolt 12.9 BE0016...
  • Page 21 When you don’t have the E12634 – Machine support LONG: When working with bushhammers, the normal machine support cannot be used. Lay the machine backwards on its handle. Never let the machine rest on the bushhammers! This will deform your flexible coupling! When working with the BG-250P the bushhammerplate should be removed, because the BG-250P should not be layed back on the handle for longer periods of time.
  • Page 22: Operating During Grinding

    For soft floors it is recommended to work with hard bond, for hard floors use soft bond. Contact our experts at Blastrac for the correct application of the different tools. In case of emergency or operating trouble, like vibrations or strong noises, switch the machine off...
  • Page 23: Maintenance

    Full overhaul and cleaning of the complete machine. Annually Replacement of the diff. pressure switch filter. (For BG-250A) The time indications are based on uninterrupted operation. When the indicated number of working hours is not achieved during the corresponding period, the period can be extended. However a full overhaul must be carried out at least once a year.
  • Page 24: Replacing The Flexible Coupling

    Store the cleaned and dry machine in a dry and humid free room. Protect the electrical motors from moisture, heat, dust and shocks. All repair work must to be done by qualified Blastrac personnel, this to guarantee a safe and reliable machine. Any guarantee on the machine is expired when: Non original Blastrac parts have been used ...
  • Page 25: Differential Pressure Switch

    Check the seals for wear, and replace them at the time when they no longer provide a good seal against dust emissions from the machine, by this action damage to the surrounding workspace is avoided, and consequently saves additional charges from the job client. Keep in mind that working with bushhammers or cutters is tough job with a lot of vibration.
  • Page 26: Troubleshooting

    7. Troubleshooting Fault Possible cause Remedy Excessive vibration Imbalance due to worn or broken grinding Replace all worn or broken parts. tools. And / or unusual noises Check the bearing on the axle drive shaft Defective bearing. and replace if necessary. Debris deposit on the coupling.
  • Page 27: Technical Data

    0.6 L Contact Blastrac BV Suitable filter unit We will assist you with a good advice Design and specifications are subject to change without notice by Blastrac BV Vibration level: Declaration in conformance with EN 12096: 1997 Hand- arm vibration 1,8 m/s²...
  • Page 28 This way the materials can be re-used in an environmentally responsible manner. Despite the fact that this guide is made with care, Blastrac takes no liability for errors in the manual and the possible consequences. We are naturally very interested in your findings and additions.
  • Page 29 BLASTRAC EUROPE WE’RE READY TO ASSIST YOU! BLASTRAC THE NETHERLANDS BLASTRAC POLAND BLASTRAC FRANCE EUROPEAN HEAD OFFICE SALES & SERVICE CENTRE SALES & SERVICE CENTRE Utrechthaven 12 Golina, ul. Dworcowa 47E ZI - 29, Av. des Temps Modernes NL - 3433 PN Nieuwegein...

This manual is also suitable for:

Bg-250pBg-250eBg-250 twin

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