Blastrac BMS-270LPII Operating Instructions Manual
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Blastrac BMS-270LPII Operating Instructions Manual

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BMS – 270LPII

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Summary of Contents for Blastrac BMS-270LPII

  • Page 1 Model BMS – 270LPII...
  • Page 2 Operating Instructions Model BMS – 270LPII...

  • Page 3: Table Of Contents

    Table of Contents BMS-270LPII Technical Data ......................3 Rating ......................4 Unit Specification ..................4 Operative Range and Correct Usage............5 Machine Code....................5 Safety Precautions ..................... 6 Organizational Precautions ................7 Safety Precautions/Operation ..............9 Safety Precautions/Maintenance ............... 10 Precautions ....................
  • Page 4 Changing the Hydraulic Oil Filters.............. 36 7.5.1 Changing the Return Line Oil Filter Element ..........36 7.5.2 Changing In-tank Suction Strainer and Suction Filters ....37 Lubricant Storage..................38 Electrical Systems ....................39 Troubleshooting......................40 Scraper Troubleshooting ................ 41 Hydraulic System ..................... 45 10.1 General System Description..............

  • Page 5: Technical Data

    Operating Instructions BMS-270LPII Technical Data Section 1 Rating Unit Specification Operative Range and Correct Usage Machine Type Code Revision B Revised 5/20/2003 12:33 PM...
  • Page 6 Operating Instructions BMS-270LPII Technical Data Rating ® Unit/Designation: Blastrac Multiscraper Machine Type: BMS-270LPII ® Manufacturer: Blastrac 13201 North Santa Fe Oklahoma City, OK 73114 Unit Specification Unit Specifications: Multiscraper Length 79.50 inches Width 30.50 inches Height 65 inches Weight 2,590 pounds Wheelbase 44.19”...

  • Page 7: Machine Code

    Technical Data Operative Range and Correct Usage The BMS-270LPII is designed to remove VAT, VCT, ceramic tile, hardwood floors, mastic and cementitious materials from horizontal surfaces. Using the multiscraper for purposes other than its intended use may result in equipment damage, property damage, and injury or death to the operator and surrounding personnel.

  • Page 8: Safety Precautions

    Operating Instructions BMS-270LPII Safety Precautions Section 2 Organizational Precautions Safety Precautions/Operation Safety Precautions/Maintenance Precautions Maintenance Mode Caution Points Revision B Revised 5/20/2003 12:33 PM...
  • Page 9 Machine operators should be checked on a regular basis to confirm they are following safe work practices as described in this manual. Personnel operating the BMS-270LPII should not wear long, loose hair or clothing, or jewelry of any kind, including rings that can be caught in moving parts. Operating the BMS-270LPII with disregard for common safety practices may result in serious injury or death to the operator and surrounding personnel.

  • Page 10: Safety Precautions/Maintenance

    Operating Instructions BMS-270LPII Safety Precautions Organizational Precautions Cont’d Spare parts must comply with the technical specifications laid out by the original manufacturer. Only original spare parts are recommended. Periodic checks or inspections outlined in this instruction manual must be performed within the prescribed time limits.
  • Page 11 Operating Instructions BMS-270LPII Safety Precautions Safety Precautions/Operation Normal Operation: Avoid any mode of operation that may be unsafe! Take precautions to ensure that the multiscraper is in good working order and that it is only operated under safe conditions. The multiscraper should be inspected for damage and defects at least once during every working shift.
  • Page 12 Operating Instructions BMS-270LPII Safety Precautions Safety Precautions/Maintenance Adjustments, maintenance and inspection instructions given in the manual must be followed at the suggested intervals as well as recommendations for the replacement of parts or assemblies. These activities must be carried out by qualified personnel.

  • Page 13: Precautions

    Operating Instructions BMS-270LPII Safety Precautions Precautions Gases, Dust, Steam, Smoke Do not weld, flame cut or perform grinding work on the multiscraper without written authorization from the manufacturer. The danger of fire or explosion exists when work of this nature is done. Begin maintenance work only when the multiscraper is put into its Maintenance Mode as outlined in Section 2.5.

  • Page 14: Maintenance Mode

    Operating Instructions BMS-270LPII Safety Precautions Maintenance Mode Definition: State or condition of the multiscraper that minimizes the danger of mechanical, electrical, pneumatic or hydraulic hazards. Putting the multiscraper into the maintenance mode: Move the multiscraper to level ground. Turn off the ignition switch and remove the key.

  • Page 15: Caution Points

    Operating Instructions BMS-270LPII Safety Precautions Caution Points Every multiscraper that is not used in accordance with the safety recommendations can present a danger to its operator or maintenance staff. The owner of the scraper is responsible for ensuring that all safety precautions are followed during operation and maintenance of the multiscraper, and that the necessary protective devices are used.
  • Page 16 Operating Instructions BMS-270LPII Safety Precautions Caution Points Cont’d Only use tools that are in good operating condition. Damaged tools should be replaced. Be certain all personnel that work with the multiscraper have the proper clothing and accessories. These include gloves, safety glasses with side shields, safety shoes and other required protective devices.

  • Page 17: General

    Operating Instructions BMS-270LPII General Section 3 Introduction Operating Instructions Maintenance Scope of Delivery Description Operating Elements The Tools Revision B Revised 5/20/2003 12:33 PM...
  • Page 18 The BMS-270LPII has been manufactured for use in the U.S. In cases where personnel have an insufficient knowledge of the English language, proper training must be obtained before using the multiscraper.

  • Page 19: Delivery (Components)

    Operating Instructions BMS-270LPII General Maintenance Regular maintenance for the BMS-270LPII is extremely important to minimize safety risks and maximize reliable operation. ® Blastrac recommends using only original equipment repair parts that are outlined in this manual. Multiscraper owners should maintain a sufficient inventory of high wear parts to help minimize down time.

  • Page 20: Description

    Propane Tank (LPG Type) The Multiscraper (BMS-270LPII) is designed for horizontal floor preparation. Paint, sealing material, and even thick coatings are removed by means of a tempered steel scraper blade. Two independent drive wheels give the multiscraper a high degree of maneuverability.

  • Page 21: Operating Controls

    Operating Instructions BMS-270LPII General Operating Controls DETAIL A 1. Steering is controlled by means of two independently driven wheels. The driving speed is controlled by the movement of the motion control joystick. A. Move the joystick forward, go forward. B. Move to the right, turn right.
  • Page 22 Operating Instructions BMS-270LPII General 3.6 Operating Controls Cont’d 3. Emergency Stop Button A. Push button down, all power is shut down. Multiscraper is now in the “off” mode. B. Lift button up to release. This will allow the engine to be restarted.

  • Page 23: Tools

    Operating Instructions BMS-270LPII General Tools Tool (Standard) Application Straight Blade Glued plastic tile and mastic (soft) Available in the following widths: 8 inch 12 inch 18 inch Other widths (special order) 3.7.1 Blade Holder This tool can be equipped with different sized blades in widths of 8 inches, 12 inches and 18 inches.

  • Page 24: Transport

    Operating Instructions BMS-270LPII Transport Section 4 General Information Transport Conditions for Initial Set-Up Initial Set-Up Dimensions, Space Required and Weights Revision B Revised 5/20/2003 12:33 PM...

  • Page 25: Equipment Specifications

    Data”. Conditions for Initial Set-up Before moving the BMS-270LPII unit to the jobsite, verify the maximum permissible load for the floor. For the weights of the BMS-270LPII parts, please see Section 1, “Technical Data”. Initial Set-Up The initial set-up of the BMS-270LPII should be carried out in accordance with the instructions in Section 5, “Initial Operation”.

  • Page 26: Initial Operation

    Operating Instructions BMS-270LPII Initial Operation Section 5 Preparations Before Initial Operation Initial Operation Revision B Revised 5/20/2003 12:33 PM...
  • Page 27 2. Check the oil level in the multiscraper. The level should be in the upper third of the ® level indicator scale. If the oil level is lower, add oil prescribed by Blastrac (Mobil DTE 16M down to 0ºF, Exxon Univis J26 below 0ºF) through the oil filler neck on the multiscraper tank.

  • Page 28: Initial Operation

    Operating Instructions BMS-270LPII Initial Operation Initial Operation Cont’d 5. Be sure that all connections are secure and tighten if necessary. 6. Start multiscraper per instructions in Section 6.1 for “Start-up Procedure”. 7. Operate the motion control joystick to verify that the wheels’ movements are corresponding correctly to the joystick movement.

  • Page 29: Operation

    Operating Instructions BMS-270LPII Operation Section 6 Start-up Procedure Shutting Down Maintenance Procedures Maintenance Precautions Start-up After Maintenance or Repair Procedures Before and After Long Storage Time Revision B Revised 5/20/2003 12:33 PM...

  • Page 30: Start-Up Procedure

    Operating Instructions BMS-270LPII Operation Start-up Procedure 1. Open propane tank valve by turning knob CCW until fully open. 2. Operator must be seated in seat, with seat adjusted to a position that allows for optimum comfort and viewing of work area. The multiscraper will not start unless the operator is seated.

  • Page 31: Shutting Down

    Operating Instructions BMS-270LPII Operation Shutting Down See Section 3.6 for the operation and function of controls listed below. 1. Adjust throttle down to idle. (Control #4) 2. Turn ignition switch CCW to complete stop. (Control #6) Make sure to turn switch all the way CCW until it stops. This will ensure the hydraulic oil-cooling fan is shut off.

  • Page 32: Operational And Maintenance Procedures

    Operating Instructions BMS-270LPII Operation Operational and Maintenance Procedures Follow all federal, state, local and plant safety guidelines when inspecting, repairing or operating this equipment. These guidelines should be followed in addition to the instructions in this manual. Before any maintenance or repair can be accomplished, the multiscraper must be put into its “Maintenance Mode”...

  • Page 33: Maintenance

    Operating Instructions BMS-270LPII Maintenance Section 7 Instructions Maintenance and Inspection List Repairs Scraper 7.4.1 Changing Scraper Blade 7.4.2 Tool List for Multiscraper Changing the Return Line Oil Filter Lubricant Storage Revision B Revised 5/20/2003 12:33 PM...
  • Page 34 Individual operating conditions will necessitate more customized schedules. ® Please do not hesitate to contact your Blastrac specialist if further advice is needed. Before any maintenance or repair work is performed on the multiscraper, precautions must be taken to ensure that the multiscraper cannot be turned on accidentally.
  • Page 35 • Check that all screw connections are secure Long storage ® period (maximum See Section 6.5. Contact your Blastrac specialist three months) • Replace the engine oil and engine oil filter 50-60 hours •...

  • Page 36: Repairs

    This will help eliminate unnecessary down time for your multiscraper and help save on overall operating costs. When replacing nuts and bolts on the BMS-270LPII, be sure the replacements are of the same, exact quality as the original (strength, material, diameter, thread and length).

  • Page 37: The Scraper

    Operating Instructions BMS-270LPII Maintenance The Scraper In general, the scraper tool (straight blade) supplied with the multiscraper is suitable for removing coverings or tiles that are bonded to the work surface with soft adhesives such as glue or mastic. 7.4.1 Changing the Scraper Blade and Adjusting the Clamp WARING: The blades are sharp and/or hot and could cause severe cuts and/or burns.

  • Page 38: Changing The Hydraulic Oil Filters

    Operating Instructions BMS-270LPII Maintenance Changing the Hydraulic Oil Filters 7.5.1 Changing the Return Line Oil Filter Element IT IS NOT POSSIBLE TO CLEAN THROWAWAY FILTER ELEMENTS. THESE ELEMENTS INCLUDE THE RETURN FILTER, AND THE IN-TANK CHARGE PUMP FILTERS. PAPER ELEMENTS CANNOT BE CLEANED.

  • Page 39: Changing In-Tank Suction Strainer And Suction Filters

    Operating Instructions BMS-270LPII Maintenance Changing Hydraulic Oil Filters Cont’d 7.5.2 Changing In-tank Suction Strainer and Suction Filters 1. It is recommended that the equipment be placed in its “Maintenance Mode” condition as outlined in Section 2.5. 2. Let the multiscraper cool down.

  • Page 40: Lubricant Storage

    Operating Instructions BMS-270LPII Maintenance Lubricant Storage Store new filter cartridges in their original packages to help eliminate dust and moisture contaminants and to minimize air oxidation. Store in a cool dry area. Lubricant storage should be environmentally safe. Take special care so that lubricants cannot penetrate the ground.

  • Page 41: Electrical Systems

    Operating Instructions BMS-270LPII Electrical Systems Section 8 The BMS-270LPII has a standard 12 Volt DC power system. It is equipped with a 12 Volt DC gel-filled battery. Electrical components include: Kohler Alternator Gel-filled Battery Ignition E-stop Seat Mounted Safety Switch...

  • Page 42: Troubleshooting

    Operating Instructions BMS-270LPII Troubleshooting Section 9 Scraper Troubleshooting Revision B Revised 5/20/2003 12:33 PM...
  • Page 43 Check hoses for blockage not work when the drive motor hoses and replace hose if necessary pump is generating b. Wheel drive motors b. Call Blastrac Service pressure above 1000 defective Center psi. 4. The hoses are a. Hose rubbing on a.
  • Page 44 Control valve is clogged voltage meter and replace if necessary d. Relief valve is defective or c. Call Blastrac Service Center setting is wrong d. Relief valve should be set e. Multiscraper is too heavy at 1500psi. Have specialist f.
  • Page 45 Operating Instructions BMS-270LPII Troubleshooting Scraper Troubleshooting Cont’d WARNING: Please refer to the specific safety and maintenance recommendations throughout this manual and the manuals of the components being maintained before attempting any maintenance. Failure to adhere to these recommendations could result in equipment damage, serious injury or death.
  • Page 46 Operating Instructions BMS-270LPII Troubleshooting ACTUATING ARM SURFACES SHOULD BE PARALLEL WHEN MOTION CONTROL JOYSTICK IS CENTERED. CABLE MOUNT ROD END ADJUSTMENT ADJUSTMENT Note: The position of the cable rod end may be adjusted at the cable mount and at the rod end of the cable.

  • Page 47: Hydraulic System

    Operating Instructions BMS-270LPII Hydraulic System Section 10 10.1 General System Description 10.2 Hydrostatic Pump 10.3 Auxiliary Pump 10.4 Wheel Drive Motors 10.5 Control Valve Assembly 10.6 P.O. Check Valve 10.7 Oil Cooler 10.8 Return Filter 10.9 Suction Strainer 10.10 Suction Filters 10.11 Hydraulic Oil...
  • Page 48 Operating Instructions BMS-270LPII Hydraulic System 10.1 General System Description Please refer to Service Drawings 700-SD0008 and 700-SD0010 to aid in the description of the hydraulic system and its operation. Section 10 includes descriptions of the hydraulic components and their functions. Please refer to the specific products instructional manuals for more detailed technical and maintenance information.

  • Page 49: Hydrostatic Pump

    WARNING: Always have the control handle in the center position when starting the BMS-270LPII. If the handle is not in the center position, the piston pump will start “on-stroke” sending a rush of fluid into the pump and causing damage to the pump.

  • Page 50: Auxiliary Pump

    Operating Instructions BMS-270LPII Hydraulic System 10.3 Auxiliary Pump Item 2 (P002452) on Service Drawing 700-SD0010 is a fixed displacement gear pump. This pump is directly connected to the tandem pump and rotates at the speed of the drive motor at all times, therefore providing a fluid flow proportional to the drive motor speed.

  • Page 51: Control Valve Assembly

    An incorrect setting could cause damage to the hydraulic components. If you have purchased or wish to purchase optional tools for your BMS-270LPII you will need to contact Blastrac Customer Service for details 1-800-256-3440. These tools will be available by the end of 2003.

  • Page 52: Check Valve

    Operating Instructions BMS-270LPII Hydraulic System 10.6 P.O. Check Valve Item 6 (P002436) on Service Drawing 700-SD0010 is a duel pilot operated check valve. When there is no outside pressure, i.e. if the rocker switch on the blade control joystick is not pushed, the check valve prevents the cylinders from moving.

  • Page 53: Return Filter

    Operating Instructions BMS-270LPII Hydraulic System 10.8 Return Filter Item 8 (P000849) on Service Drawing 700-SD0010 is an in-tank return filter with a filter pressure gauge and tank vent. See drawing number 700-0121 for the location of filters and strainers. The return filter has a replaceable 10-micron filter element that filters the oil before it is put back in the hydraulic tank.

  • Page 54: Suction Filters

    Operating Instructions BMS-270LPII Hydraulic System 10.10 Suction Filters Item 10 (P002454) on Service Drawing 700-SD0010 is an in-tank 40 micron suction filter. See drawing number 700-0121 for the location of filters and strainers. This filter is used to filter debris from hydraulic tank to the charge pump and ultimately to the closed loop circuit.

  • Page 55: Hydraulic Oil

    180 deg F and an intermittent operating temperature of 200 deg F. These temperature readings apply at the hottest point in the transmission, which are normally the case drains. Blastrac recommends that periodic oil samples are taken from the case drain hoses and analyzed.

  • Page 56: Needle Valve, Bi-Directional Metering

    The needle valve is meant to limit the flow of oil to and from the cylinders when an optional attachment is in use. The added weight of an attachment may cause the lift cylinders to lower at an increased rate, causing damage to the BMS-270LPII or the attachment being used.

  • Page 57: Reference Prints

    Reference Prints Section 11 General Assembly 700-0133 Caster Placement 700-SD0007 Optional Weight Distribution 700-SD0004 Safety Decal/Nameplate Placement 700-0119 Hydraulic Schematic 700-SD0010 Electrical Schematic 700-0062 3-Dimensional Hydraulic Schematic 700-SD0014 Blade Removal/Replacement Illustration 700-SD0012 Revision B Revised 5/20/2003 12:33 PM...
  • Page 58 THIS DRAWING AND THE DESIGN SHOWN THEREIN IS THE PROPERTY OF U.S. FILTER WHEELABRATOR AND USE OR COPIES THEREOF CANNOT BE MADE WITHOUT WRITTEN CONSENT. ZONE DESCRIPTION DATE NEXT PART BMS-270LPII DIMENSIONAL TOLERANCES ASSY 6215 ALUMA VALLEY DRIVE FABRICATING WELDING & ASSEMBLY RELATIONAL...
  • Page 59 THIS DRAWING AND THE DESIGN SHOWN THEREIN IS THE PROPERTY OF U.S. FILTER WHEELABRATOR AND USE OR COPIES THEREOF CANNOT BE MADE WITHOUT WRITTEN CONSENT. ZONE DESCRIPTION DATE NEXT PART BMS-270LPII DIMENSIONAL TOLERANCES ASSY 6215 ALUMA VALLEY DRIVE FABRICATING WELDING & ASSEMBLY RELATIONAL...

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