Blastrac BG-250G13-S Operating Instructions Manual Download Page 3

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Operating Instructions

BG-250G13-S

Technical Data

May 2005

1.1 Rating

Unit / Designation:

Blastrac

Grinding machine

Machine type:

BG 250G13-S

Manufacturer:

Blastrac

6215 N. Aluma Valley Dr.

Oklahoma City, OK 73121

1.2 Unit

specifications

Technical data:

Grinding Machine

BG-250G13-S

Power consumption

13HP

Tool diameter

10 in (250 mm)

Working width

10 in (250 mm)

Dust hose connection

3 in (75 mm)

Recommended Dust Collector Blastrac® Turbo-Vac II or Blastrac 1-13DC

Noise Level

78 DBA

Vibration Level

< 2,5 ms²

Revision (A) 5-4-05

Summary of Contents for BG-250G13-S

Page 1: ...BG 250G13 S Gas Powered Concrete Grinder Blastrac 6215 N Aluma Valley Dr Oklahoma City OK 73121 1 800 256 3440 Copyright Blastrac Revision A 5 4 05...

Page 2: ...G13 S Technical Data May 2005 Contents Chapter 1 1 1 Rating 1 2 Unit specifications 1 3 Operating range and correct usage 1 4 Machine type designation 1 5 Advice for operators of the machine Copyright...

Page 3: ...Aluma Valley Dr Oklahoma City OK 73121 1 2 Unit specifications Technical data Grinding Machine BG 250G13 S Power consumption 13HP Tool diameter 10 in 250 mm Working width 10 in 250 mm Dust hose conne...

Page 4: ...ting range and correct usage The BG 250G13 S is exclusively designed to grind horizontal surfaces The machine may not be used for other purposes The manufacturer will not be liable for damage or injur...

Page 5: ...l vary depending on the location If the sound level reaches 85 db A or more the operator and the surrounding personnel must wear OSHA approved hearing protection Verify that you always rest the machin...

Page 6: ...Chapter 2 2 1 Warnings and symbols 2 2 Organizational measures 2 3 Personnel selection and qualification 2 4 Safety precautions applicable to some operating sequences 2 5 Special work instructions 2 6...

Page 7: ...tional safety In these Operating Instructions this symbol will be shown next to safety precautions that are to be taken in order to increase safe operation of the machine Follow these instructions and...

Page 8: ...ting Instructions BG 250G13 S Safety May 2005 Copyright Blastrac 7 Revision A 5 4 05 Information instructions and restrictions with regard to possible risks to personnel and or to extensive machine da...

Page 9: ...05 Warning against dangerous voltages Indications relating to protective devices in electrical appliances Indications where consultation with the manufacturer is required Instructions relating to peri...

Page 10: ...affic regul The Operating Instructions must be supplemented by instructions including the duty to supervise and report relating to particular working practices for e Personnel entrusted with working w...

Page 11: ...pecified by the manufacturer This is always guaranteed if original spare parts are used Intervals for recurring checks and inspections specified in these Operating Instructions must be complied with T...

Page 12: ...le to some operating sequences Ban any method of working that impairs safety Some measures have to be taken in order to operate the machine in safe and operative conditions Only operate the machine wh...

Page 13: ...ety shoes The operator is obliged to wear close fitting protective clothing 2 5 Special work instructions Mechanical servicing work Put the machine in the Maintenance Mode as described in chapter 2 6...

Page 14: ...ctor used before loading it on van or truck Observe the waste disposal regulations if uncertain situation ask your supervisor Do not use any aggressive cleaning materials Use lint free cleaning cloths...

Page 15: ...ntenance Mode Definition The machine is in a safe condition when it cannot generate any hazard Putting the equipment in the Maintenance Mode means Lift up the machine see Chapter 5 Switch off the mach...

Page 16: ...he machine as well as the provision of appropriate additional safety devices EXPLOSIVE FUEL This machine runs on gasoline that is extremely flammable Read and understand the Honda Operating Manual bef...

Page 17: ...G 250G13 S General May 2005 Copyright Blastrac 16 Revision A 5 4 05 Contents Chapter 3 3 1 Range of application 3 2 Scope of supply 3 3 Description of the machine 3 4 Operating elements 3 5 The tools...

Page 18: ...dual mineral adhesives o Smoothing of concrete 3 2 Scope of supply Scope of supply of the machine Grinding Machine BG 250G11 G13 Dust collector Turbo Vac II or 1 13DC Optional Dust hose Optional Blast...

Page 19: ...Driving motor 10 Brush seal see Fig 3 4 The Blastrac grinding machine BG 250G13 S can produce a pattern of 10 inches 250 mm and distinguishes itself by its high economic efficiency and easy handling T...

Page 20: ...efore Switching on the BG 250G13 S the front part of the grinding machine must be lifted by pushing down on the handgrip 2 and pulling back on the jack stand operating lever 1 When the machine has sta...

Page 21: ...l the starting chord to start the engine The engine will need to remain in the choke condition until it warms up See the Honda Operating Manual for details concerning the operation of the Honda engine...

Page 22: ...Instructions BG 250G13 S General May 2005 Copyright Blastrac 21 Revision A 5 4 05 3 5 The Tools Fig 3 4 1 Brush seal 5 Flexible Coupling 2 Diamond grinding disc 6 Bearing Unit 3 Adapter 7 Jack stand...

Page 23: ...ct Blastrac with any questions regarding the operation or maintenance of the machine Never operate the machine if you are unsure Be sure the BG 250G13 S is clean and free of any debris before operatin...

Page 24: ...250G13 S Transport May 2005 Contents Chapter 4 4 1 Unit specifications 4 2 Manual mode of moving the machine 4 3 Transport with cranes or lifts 4 4 Transport of the machine with vehicle Copyright Blas...

Page 25: ...0 x 18 00 x 51 00 508 x 457 x 1295 31 x 19 x 29 788 x 483 x 737 Weight empty 68lbs 31 kg 120 lbs 55 kg 4 2 Manual mode of moving the machine In order to move the machine press down the handgrips to ra...

Page 26: ...eight from chapter 4 1 Unit specifications Never fasten a sling or lifting device to or around the handle of the machine The handle will break causing damage and injury Place three slings at the point...

Page 27: ...hine with straps and block wheels to make sure the machine will not move during transport Never transport the machine with gasoline in the tank Enclosed trailers or vehicles may be dangerous due to th...

Page 28: ...Operating Instructions BG 250G13 S Initial Operation May 2005 Contents Chapter 5 5 1 Preparation for initial operation 5 2 Initial operation Copyright Blastrac Revision A 5 4 05 27...

Page 29: ...e of this manual Check fuel level See Honda Operating Manual for fuelling guidelines Check the dust hose for damages Connect the grinding machine and the dust collector with the dust hose Use hose cla...

Page 30: ...ack on the operating lever 1 Pulling back on the operating lever 1 will lower the kick stand and take the weight off the grinding disc Be sure machine is stable prior to starting the motor When the ma...

Page 31: ...mond disc is off the ground and the machine is secure before starting Push the throttle control forward all the way to engage the engine choke With one hand on the machine pull the starting chord to s...

Page 32: ...all the way back to stop the engine Cable may stretch over time requiring adjustment for correct operation Push forward to increase engine speed and pull back to decrease engine speed Stopping The gri...

Page 33: ...Operating Instructions BG 250G13 S Initial Operation May 2005 Notes Copyright Blastrac Revision A 5 4 05 32...

Page 34: ...Operation May 2005 Contents Chapter 6 6 1 Operation 6 2 Switching off the machine 6 3 Emergency Shutdown 6 4 Safety shutdown 6 5 Restarting after a fault 6 6 Procedures after lengthy down time Copyri...

Page 35: ...ure all fasteners are tight and secure Pay special attention to those that connect drive components Before switching on make sure that all guards are in place Be sure the dust collector is correctly c...

Page 36: ...read sections chapter 5 1 and 5 2 of these operating instructions Never start the machine if you are not completely confident on how to operate the machine You should grind in fan shaped movements Swe...

Page 37: ...ardness may be matched to specific jobs resulting in successful applications and improved diamond life 6 2 Switching off the machine The grinding machine must be lifted by pushing down on the handgrip...

Page 38: ...are stopped Observe the Maintenance Mode condition chapter 2 6 Read and understand the entire Blastrac Operating Instructions and Honda Engine Manual before operating or servicing this machine Do not...

Page 39: ...re not touching the floor Clean the machine and cover it with a tarp Empty gasoline tank 2 After storage Be sure all fasteners are tight and secure Check to make sure the flexible coupling is not defo...

Page 40: ...7 2 Maintenance and inspection list 7 3 Repairing 7 4 Grinding disc replacement assembly 7 5 Bearing Unit 7 6 Flexible coupling 7 7 The V Belt drive 7 8 The driving motor 7 9 Additional maintenance 7...

Page 41: ...ions on preventative actions 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 exte...

Page 42: ...ages Check the hose inside of the BG 250G13 S for damage Clear any foreign matter from the coupling of the grinding disc Make sure that the dust bin of the dust collector is emptied Check the grinding...

Page 43: ...You should stock all spare or wear parts that cannot be supplied quickly As a rule downtime is more expensive than the cost for the corresponding spare part Screws that have been removed must be repl...

Page 44: ...is 3 Now secure the machine against tilt back with a block 2 about 17 75 45 cm long Shake machine to make sure it will not move 4 Unscrew the four countersunk head screws 7 in the grinding disc 5 Remo...

Page 45: ...lubricating put the machine on the kick stand 4 let the machine run approximately 5 min to squeeze out the excess of grease from the housing 1 at the points shown 3 Finally wipe the excess of grease w...

Page 46: ...c check the condition of the coupling If the coupling is cracked or is sitting on an angle with no load on the disc it should be replaced Immediately shut down the machine if unusual vibrations or noi...

Page 47: ...nd will result in very high V belt temperatures This will cause premature V Belt wear Temperatures over 160 F 70 C for a long period will decrease the working life and the efficiency of the V belt The...

Page 48: ...he motor base 4 Remove the V Belt Fig 7 5 Assembly 1 Put on a new V Belt 2 Move the motor up to the operator panel using tensioning screw attached to the motor base 3 Hand tighten the motor fastening...

Page 49: ...o properly tension the belts press the belt with your thumb midway between the pulleys as indicated in figure 7 6 When properly tensioned the belt should deflect between 5 16 1 2 8 13 mm Fig 7 6 7 8 T...

Page 50: ...ving the following spare parts on stock to avoid long down times Part No Description Qty 000118 Flexible coupling 2 P003860 Count S Head Screw 20 B20507 Spacer tube 6 CG 1020DB Diamond disc 1 B21014 C...

Page 51: ...Operating Instructions BG 250G13 S Maintenance May 2005 Notes Copyright Blastrac Revision A 5 4 05 50...

Page 52: ...Operating Instructions BG 250G13 S Electrical May 2005 Contents Chapter 8 8 1 Directions for electrical engineering 8 2 Electric circuits diagrams Copyright Blastrac Revision A 5 4 05 51...

Page 53: ...ay 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 Or...

Page 54: ...Operating Instructions BG 250G13 S Electrical May 2005 8 2 Wiring Schematic Copyright Blastrac Revision A 5 4 05 53...

Page 55: ...Operating Instructions BG 250G13 S Troubleshooting May 2005 Contents Chapter 9 9 1 Grinder troubleshooting 9 2 Electrical troubleshooting Copyright Blastrac Revision A 5 4 05 54...

Page 56: ...ck flexible coupling Tighten screws in the grinding disc Unusual noises Defective axle bearing Wrong tension of the V belt Dirt and debris in flexible coupling Check axle bearing and replace if necess...

Page 57: ...of a skilled electrician as well as in accordance with the electrical engineering regulations Prior to any repair work on the machine or its drives the machine must be secured against unintentional s...

Page 58: ...Operating Instructions BG 250G13 S Spare Parts May 2005 Contents Chapter 10 10 1 Spares Parts List BG250G13 S Copyright Blastrac Revision A 5 4 05 57...

Page 59: ...May 2005 21 5 51 29 9 12 28 60 37 59 36 55 56 57 58 39 40 27 25 15 32 38 65 2 4 3 70 23 6 54 44 18 26 41 7 46 47 49 43 30 50 11 48 31 20 34 19 16 14 53 13 17 52 42 24 71 68 66 67 66 69 35 72 74 8 33...

Page 60: ...16 11 500103 WASHER FLAT 5 16 DIA 17 7 500114 WASHER LOCK 5 16 18 4 500190 SCR CAP HEX 0 312 18 X 1 000 19 2 P001419 DECAL CAUTION EYE AND EAR PROTECTION REQUIRED 20 1 P000582 SIGN WARNING CARBON MON...

Page 61: ...01160 WASHER LOCK 1 2 53 6 5001060 WASHER FLAT 1 2 54 1 P004015 SHEAVE 2GR3V 5 6 1610 TAPERLOCK DODGE P N 112195 55 1 DG56 PIVOT PIN LOWER 56 1 DG58 GUIDE BOLT ADJUSTING ROD PIN 57 1 DG59 ADJUSTING RO...

Page 62: ...Operating Instructions BG 250G13 S Spare Parts May 2005 Notes Copyright Blastrac Revision A 5 4 05 61...

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