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Blastrac BGS-250-115-S Operating Manual

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SECTION 2
Warranty Information
Grinding & Polishing
Grinding & Polishing
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MODEL BGS-250-115-S GRINDER
OPERATING MANUAL
MODEL
BGS-250-115-S
Grinder
FEBRUARY 2008
1

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Summary of Contents for Blastrac BGS-250-115-S

  • Page 1: Table Of Contents

    MODEL BGS-250-115-S GRINDER OPERATING MANUAL SECTION 2 SAFETY INSTRUCTIONS FEBRUARY 2008 Technical Data Safety Instructions General MODEL Transport BGS-250-115-S Initial Operation Grinder Operation Maintenance Electrical Systems Fault Diagnosis Spare Parts Warranty Information Grinding & Polishing Grinding & Polishing...
  • Page 2 MODEL BGS-250-115-S GRINDER OPERATING MANUAL SECTION 1 TECHNICAL DATA FEBRUARY 2008 CONTENTS – SECTION 1 Rating Unit specifications Operative range and correct usage Stand-by power supply Machine type designation Grinding & Polishing...

  • Page 3: Technical Data

    Tool diameter 250 mm ø (~10 in.) Working width 250 mm (~10 in) Dust hose connection 50 mm ø (~2 in) Contact Blastrac for a suitable dust Recommended Dust Collector collector Rated HP Output 1.75 HP Connected loads 115V single phase, 15 FLA R.P.M.
  • Page 4 In these cases, the user takes responsibility for all risks. 1.4 STAND-BY SUPPLY (GENERATOR) If the BGS-250-115-S is to be operated using power from a generator, the generator must be operated in accordance with the current U. S. National Electric Code guidelines (this applies,...
  • Page 5 MODEL BGS-250-115-S GRINDER OPERATING MANUAL SECTION 1 TECHNICAL DATA FEBRUARY 2008 1.5 MACHINE TYPE DESIGNATION BGS – 250 Product Type Working width in mm Grinding & Polishing...

  • Page 6: Safety Instructions

    MODEL BGS-250-115-S GRINDER OPERATING MANUAL SECTION 2 SAFETY INSTRUCTIONS FEBRUARY 2008 CONTENTS – SECTION 2 Warnings and symbols Organizational measures Personnel selection and qualification Safety precautions applicable to different operating conditions Special work within the scope of use of the equipment and...
  • Page 7 MODEL BGS-250-115-S GRINDER OPERATING MANUAL SECTION 2 SAFETY INSTRUCTIONS FEBRUARY 2008 2.1 WARNINGS AND SYMBOLS The following denominations and symbols are used in the Operating Instructions to highlight areas of particular importance: Symbol of operational safety. In these Operating Instructions this symbol will be...

  • Page 8: Organizational Measures

    MODEL BGS-250-115-S GRINDER OPERATING MANUAL SECTION 2 SAFETY INSTRUCTIONS FEBRUARY 2008 Indicates where consultation with the manufacturer is required. Instructions relating to periodic checks. Reference to important instructions contained in the Operating Instructions. 2.2 ORGANIZATIONAL MEASURES These Operating Instructions are to be kept with the machine, and...
  • Page 9 MODEL BGS-250-115-S GRINDER OPERATING MANUAL SECTION 2 SAFETY INSTRUCTIONS FEBRUARY 2008 From time to time the working practices of the operators are to be checked by a supervisor, especially regarding awareness of safety and hazards. Operators must tie back long hair, and not wear loose clothing or jewelry including rings.

  • Page 10: Personnel Selection And Qualification

    MODEL BGS-250-115-S GRINDER OPERATING MANUAL SECTION 2 SAFETY INSTRUCTIONS FEBRUARY 2008 2.3 PERSONNEL SELECTION AND QUALIFICATION Fundamental duties: Work on the machine may only be undertaken by trained personnel. Only trained personnel may be employed. Note the statutory minimum age.

  • Page 11: Safety Instructions

    MODEL BGS-250-115-S GRINDER OPERATING MANUAL SECTION 2 SAFETY INSTRUCTIONS FEBRUARY 2008 In the event of operational malfunctions the machine must be shut down immediately and secured. Secure the work area around the machine in public areas providing a safety distance of at least 6.5 feet (2 meters) from the machine.
  • Page 12 MODEL BGS-250-115-S GRINDER OPERATING MANUAL SECTION 2 SAFETY INSTRUCTIONS FEBRUARY 2008 2.5 SPECIAL WORK WITHIN THE SCOPE OF USE OF THE EQUIPMENT AND MAINTENANCE ACTIVITIES AS WELL AS REPAIRS DURING OPERATION Mechanical servicing work: Put the machine in the Safety off position as described in Section 2.6 before carrying out any service work on the machine.
  • Page 13 MODEL BGS-250-115-S GRINDER OPERATING MANUAL SECTION 2 SAFETY INSTRUCTIONS FEBRUARY 2008 Observe the local waste disposal regulations; in uncertain situations ask the next higher authority. Do not use any aggressive cleaning materials. Only use lint-free cleaning cloths. Always verify that any bolted connections that were loosened during service and maintenance work are properly secure and tight.
  • Page 14 MODEL BGS-250-115-S GRINDER OPERATING MANUAL SECTION 2 SAFETY INSTRUCTIONS FEBRUARY 2008 2.7 GENERAL SAFETY CO NSIDERATIONS Any machine, if it is not used according to regulations, may be hazardous during operation, set-up and servicing. The machine owner is responsible for compliance with the safety regulations...

  • Page 15: General

    MODEL BGS-250-115-S GRINDER OPERATING MANUAL SECTION 3 GENERAL FEBRUARY 2008 CONTENTS – SECTION 3 Range of application Scope of supply Description of the machine Operating elements Electric components The tools Care and maintenance Grinding & Polishing...

  • Page 16: Range Of Application

    Using one of the dust collectors specified for your machine ensures nearly dust free operation and also improves the life of the machine and tools. Today, clean air is important in the workspace. Blastrac uses specially designed dust collection systems with a high separation and thus guarantee a high cleaning level.
  • Page 17 Gear Reducer Lifting handle The Blastrac Grinding machine BGS-250-115-S can reach an output of 2500 mm and distinguish itself with its high economic efficiency and easy handling. The machine levels when on uneven and undulated floors and therefore is also suitable for optimization of surfaces before blasting.

  • Page 18: Operating Elements

    Hand wheel and mini leveler Figure 3.4.1 Before switching on the BGS-250-115-S, check that the diamond plate is in a horizontal position with the mini leveler (4). The adjusting can be done by turning the hand wheel (2) in the right or left direction.
  • Page 19 MODEL BGS-250-115-S GRINDER OPERATING MANUAL SECTION 3 GENERAL FEBRUARY 2008 3.5 ELECTRIC COMPONENTS The control box (3) is equipped with all control elements and instruments to monitor the grinding machine. ON Switch Pressing the "ON" push button switches on the driving motor. This occurs only when the power supply works properly.
  • Page 20 Adapter Disk Choose the tool most appropriate for the surface to be treated. This will ensure optimal work output and wear for the BGS-250-115-S. The tools available are described below. You must use Blastrac grinding discs for your warranty to remain in effect.
  • Page 21 MODEL BGS-250-115-S GRINDER OPERATING MANUAL SECTION 3 GENERAL FEBRUARY 2008 Figure 3.6.2b Motor Adapter Tooling plate Coupling Gear Reducer Adapter Disc Tool: 10” Diamond Grinding Disc (remove tooling plate (4) and attach grinding disc to the adapter disc (3). Application: Concrete surfaces – general preparation Part No: See section10.2 for tooling available...

  • Page 22: Care And Maintenance

    Use of non-original replacement components or wear parts may void the machine warranty. Generally, the Blastrac BGS-250-115-S requires very little attention regarding its maintenance. Verify that any wastes or fiber residues do not remain in the area of the grinding disc.

  • Page 23: Transport

    MODEL BGS-250-115-S GRINDER OPERATING MANUAL SECTION 4 TRANSPORT FEBRUARY 2008 CONTENTS – SECTION 4 Unit specifications Manual mode of moving the machine Transport with cranes or lifts Transport of the machine with vehicle Operation of the machine while grinding Grinding & Polishing...
  • Page 24 MODEL BGS-250-115-S GRINDER OPERATING MANUAL SECTION 4 TRANSPORT FEBRUARY 2008 4.1 UNIT SPECIFICATIONS Model BGS 250 Dimensions in inches 46.4 x 20.5 x 45.3 Dimensions in mm 1180 x 520 x 1150 Weight 154 lbs / 70 kg 4.2 MANUAL MODE OF MOVING THE MACHINE To move the machine press down the handgrips (1) (see fig.4.3.1) of the...

  • Page 25: Transport With Cranes Or Lifts

    MODEL BGS-250-115-S GRINDER OPERATING MANUAL SECTION 4 TRANSPORT FEBRUARY 2008 4.3 TRANSPORT WITH CRANES OR LIFTS Figure 4.3.1 If the machine is to be transported by a crane or a fork lift, verify that the lifting strap(s) has sufficient capacity to support the weight of the machine (the gross weight is shown in Section 4.1 Unit specifications).
  • Page 26 MODEL BGS-250-115-S GRINDER OPERATING MANUAL SECTION 4 TRANSPORT FEBRUARY 2008 4.4 TRANSPORT OF THE MACHINE WITH VEHICLE When transporting the machine in a vehicle, always drive carefully and in a manner to avoid the machine shifting. Secure the machine with a tightening load strap over the lower frame (2).
  • Page 27 MODEL BGS-250-115-S GRINDER OPERATING MANUAL SECTION 5 INITIAL OPERATION FEBRUARY 2008 CONTENTS – SECTION 5 Preparation for initial operation Initial operation Grinding & Polishing...
  • Page 28 • Make sure the dust bin of the dust collector unit is empty. • Connect the electric cable of the dust collector with the supply. If problems with the BGS-250-115-S arise during the assembly or start-up, call a qualified person for help. Work on electrical equipment may only be undertaken by qualified personnel .

  • Page 29: Initial Operation

    MODEL BGS-250-115-S GRINDER OPERATING MANUAL SECTION 5 INITIAL OPERATION FEBRUARY 2008 5.2 INITIAL OPERATION Figure 5.2.1 Use the following sequence to start the machine: • Be sure that the grinding disc is fixed. • Connect dust collector to the grinder (1).
  • Page 30 MODEL BGS-250-115-S GRINDER OPERATING MANUAL SECTION 6 OPERATION FEBRUARY 2008 CONTENTS – SECTION 6 Operation Switching-off the machine Trouble shooting Safety shutdown Restarting after a fault Proceedings- before and after a stationary period Grinding & Polishing...

  • Page 31: Operation

    Regular inspection is necessary to prevent unplanned down time of your grinding machine. See Section 7.2 Maintenance. Pay attention to the following aspects during operation of the Blastrac BGS-250- 115-S. Before beginning the grinding work, verify that all bolted connections are properly secured and tight, especially those of the driving and handling devices.
  • Page 32 While using the dust collector, observe any special workers’ protection rules, and also the local regulations regarding waste The normal start up of the Blastrac BGS-250-115-S for daily operation is the same as that described in Section 5.2 Initial Operation.
  • Page 33 MODEL BGS-250-115-S GRINDER OPERATING MANUAL SECTION 6 OPERATION FEBRUARY 2008 6.2 SWITCHING OFF THE MACHINE Figure 6.2.1 Use the following sequence to shut down the machine: • Press the red OFF switch (1) to switch off the motor. • Disconnect the extension cable from the socket and keep it in a safe place to secure the machine from unauthorized use.
  • Page 34 MODEL BGS-250-115-S GRINDER OPERATING MANUAL SECTION 6 OPERATION FEBRUARY 2008 6.3 TROUBLE SHUTDOWN In case of emergency or operating trouble, such as vibrations or loud noises, switch the machine off immediately by pushing the red OFF- button (1) on the power box.
  • Page 35 PERIOD Before a long stationary period If the Blastrac grinding machine will be out of action for a long period of time, preserve the equipment as described below: • Lay down the machine onto the steering handle so that the flexible coupling is not loaded.

  • Page 36: Maintenance

    MODEL BGS-250-115-S GRINDER OPERATING MANUAL SECTION 7 MAINTENANCE FEBRUARY 2008 CONTENTS – SECTION 7 Recommendations Maintenance and inspection list Repairing Grinding disc replacement / assembly Machine maintenance The driving motor Other maintenance Influences on the grinding pattern Grinding & Polishing...
  • Page 37 MODEL BGS-250-115-S GRINDER OPERATING MANUAL SECTION 7 MAINTENANCE FEBRUARY 2008 7.1 RECOMMENDATIONS Prior to any repair work on the machine and its drives, secure the machine against unintentional activation. Put the machine in its safety off position. Section 2.6 Failures due to inadequate or incorrect maintenance may generate very high repair costs and potentially long periods of down time for the machine.

  • Page 38: Maintenance And Inspection List

    MODEL BGS-250-115-S GRINDER OPERATING MANUAL SECTION 7 MAINTENANCE FEBRUARY 2008 7.2 MAINTENANCE AND INSPECTION LIST Operating hours/time period Inspection points and maintenance instructions 12 hours after repairing Check all accessible screw connections for tightness. Every 100 hours Clean the grease zerk and add one pump of NLGI-2 grease to the gear box.
  • Page 39 7.3 REPAIRING As previously mentioned in Section 5.1 Initial operation, we recommend conducting initial repair work on the machine with the support of Blastrac personnel, by taking this advice, maintenance personnel get the opportunity to be trained by an expert on the machine.
  • Page 40 MODEL BGS-250-115-S GRINDER OPERATING MANUAL SECTION 7 MAINTENANCE FEBRUARY 2008 7.4 GRINDING DISC REPLACEMENT/ASSEMBLY Prior to any repair work on the machine and its drives, secure the machine against unintentional activation. Put the machine in the safety off position. See Section 2.6.
  • Page 41 MODEL BGS-250-115-S GRINDER OPERATING MANUAL SECTION 7 MAINTENANCE FEBRUARY 2008 Assembly Clean the adapter grinding disc thoroughly. Adjust the grinding disc in the centering. Set in and tighten the countersunk head screw. Remove the block and tilt the machine forward.
  • Page 42 MODEL BGS-250-115-S GRINDER OPERATING MANUAL SECTION 7 MAINTENANCE FEBRUARY 2008 7.5 MACHINE MAINTENANCE Disassembly: Step 1: Make sure that the power supply is disconnected from the electrical inlet. Remove switch from steering handle. Figure 7.5.1 Step 2: Remove clip (1) of the spindle and remove bolts (2).
  • Page 43 MODEL BGS-250-115-S GRINDER OPERATING MANUAL SECTION 7 MAINTENANCE FEBRUARY 2008 Step 3: Remove bolts (1) and move the complete spindle out of the tube. Unscrew bolt (2) and remove the hand wheel. Remove clamping ring (4) and remove sleeve bearing (6) and shims (5). It’s important that no dust gets into the spindle (7).
  • Page 44 MODEL BGS-250-115-S GRINDER OPERATING MANUAL SECTION 7 MAINTENANCE FEBRUARY 2008 Step 5: Now it’s possible to take out the wheel bracket (1). Remove star lock ring (2) and remove the wheel and washers (3). Use a new star lock ring when assembling the wheel again.
  • Page 45 MODEL BGS-250-115-S GRINDER OPERATING MANUAL SECTION 7 MAINTENANCE FEBRUARY 2008 Step 6: Unscrew adapter plate (1) and remove spacer rings (2). Unscrew flexible coupling (3) and remove spacer rings (4). Remove bolt (5). Remove the tooling adapter (6). When you do this: screw a 5/16-24 bolt into the gearbox shaft.

  • Page 46: The Driving Motor

    Keep the fan covering free and do not lay objects on the covering. In case of malfunction of the motor, please contact a skilled electrician. If the malfunction cannot be repaired, please contact Blastrac customer service toll-free at 800-256-3440. 7.7 OTHER MAINTENANCE Check the seals for wear, and replace them when they no longer provide a good seal against dust emissions from the machine.
  • Page 47 MODEL BGS-250-115-S GRINDER OPERATING MANUAL SECTION 7 MAINTENANCE FEBRUARY 2008 ________________________________________________________________ Notes ________________________________________________________________ Grinding & Polishing...
  • Page 48 MODEL BGS-250-115-S GRINDER OPERATING MANUAL SECTION 8 ELECTRICS FEBRUARY 2008 CONTENTS – SECTION 8 Directions for electrical engineering Electric circuit diagram of P004562 – 115V 60 Hz Grinding & Polishing...

  • Page 49: Directions For Electrical Engineering

    To identify electrical components refer to the electrical schematics in Section 8, as appropriate, or call a Blastrac service center. The results of all electrical repair work must be verified using the appropriate measurement techniques per the regulations stated in the applicable U.S.
  • Page 50 MODEL BGS-250-115-S GRINDER OPERATING MANUAL SECTION 8 ELECTRICS FEBRUARY 2008 8.2 ELECTRIC CIRCUIT DIAGRAM – 115V BGS-250 CONTROL PANEL FOR 120V/60Hz 13201 N. SANTA FE OKLAHOMA CITY, OK 73114 U.S.A. Grinding & Polishing...
  • Page 51 MODEL BGS-250-115-S GRINDER OPERATING MANUAL SECTION 8 ELECTRICS FEBRUARY 2008 ITEM NUMBER DESCRIPTION P003743 MANUAL STARTER P003755 UNDERVOLTAGE TRIP P003741 SURFACE MOUNT ENCLOSURE P003740 MUSHROOM HEAD STOP BUTTON, TWIST RELEASE 5330005 12/3 CORD - 25' SECTION P003757 12/3 CORD - 5' SECTION...

  • Page 52: Fault Diagnosis

    MODEL BGS-250-115-S GRINDER OPERATING MANUAL SECTION 9 FAULT DIAGNOSIS FEBRUARY 2008 CONTENTS – SECTION 9 Fault diagnosis - grinding machine Fault diagnosis - electrical system Grinding & Polishing...
  • Page 53 MODEL BGS-250-115-S GRINDER OPERATING MANUAL SECTION 9 FAULT DIAGNOSIS FEBRUARY 2008 9.1 FAULT DIAGNOSIS – GRINDING MACHINE Prior to any repair work on the machine or its drives, the machine must be secured against unintentional activation. Put the machine in its Safety off position. See section 2.6.
  • Page 54 MODEL BGS-250-115-S GRINDER OPERATING MANUAL SECTION 9 FAULT DIAGNOSIS FEBRUARY 2008 9.2 FAULT DIAGNOSIS – ELECTRICAL SYSTEM Work on electrical equipment or operating materials may only be undertaken by a skilled electrician or by trained persons under the guidance and supervision of a skilled electrician as well as in accordance with the electrical engineering regulations.

  • Page 55: Spare Parts

    MODEL BGS-250-115-S GRINDER OPERATING MANUAL SECTION 10 SPARE PARTS FEBRUARY 2008 CONTENTS – SECTION 10 10.1 Spares Parts List BGS-250-115-S 10.2 Tooling BGS-250-115-S Grinding & Polishing...
  • Page 56 MODEL BGS-250-115-S GRINDER OPERATING MANUAL SECTION 10 SPARE PARTS FEBRUARY 2008 10.1 SPARE PARTS LIST – BGS-250-115-S Grinding & Polishing...
  • Page 57 MODEL BGS-250-115-S GRINDER OPERATING MANUAL SECTION 10 SPARE PARTS FEBRUARY 2008 ITEM PART-NO. DESCRIPTION QTY. E03786 Hand wheel BE0093 M6 x 35 hex Socket head cap BE0094 Clamp adjusting ring BE0095 Shim Ø16x22x0.5 BE0098 Bolt M8x10 E03754 Spindle sleeve E03824...

  • Page 58: Operating Manual February

    MODEL BGS-250-115-S GRINDER OPERATING MANUAL SECTION 10 SPARE PARTS FEBRUARY 2008 Grinding & Polishing...
  • Page 59 MODEL BGS-250-115-S GRINDER OPERATING MANUAL SECTION 11 WARRANTY FEBRUARY 2008 P004621 Motor 115V / 60 Hz PG-10094 Adapter Plate with handle Upper dust hood PG-10088 E03760 Lower dust hood CP-10061 Flexible Coupling Starlock ring Ø20 BE0096 i n i E03826 Nylon washer Ø18x6x1.6...
  • Page 60 SECTION 11 WARRANTY FEBRUARY 2008 10.2 TOOLING – BGS-250-115-S Below is a listing of tooling options available for the BGS-250-115-S-115. These tools are not included with the machine when purchased. 10” Grinding Disc 1 EACH/MACHINE: CG-1020GTP: 10" DIA. 20SEG. TURBO PREMIUM BLADE...
  • Page 61 MODEL BGS-250-115-S GRINDER OPERATING MANUAL SECTION 11 WARRANTY FEBRUARY 2008 CONTENTS – SECTION 11 11.1 Warranty Policy Grinding & Polishing...

  • Page 62: Warranty Policy

    Rental Fleet Machines, from the date of assignment to Rental Fleet. Blastrac makes this warranty only to the buyer who purchases the products directly from Blastrac or its authorized distributor. This warranty does not include expendable parts such as, but not limited to, blades, blast wheel, wear plates, liners and seals.
  • Page 63 8. The above warranty conditions can only be altered by Blastrac. Blastrac must confirm alterations in writing for each specific transaction. 9. Blastrac reserves the right to modify this warranty for used or demo products on an individual transaction basis. Blastrac will include warranty modifications on its invoices for used or demo products 10.

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