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Operating Instructions

Model

BMS – 270LPII

Содержание BMS-270LPII

Страница 1: ...Model BMS 270LPII ...

Страница 2: ...Operating Instructions Model BMS 270LPII ...

Страница 3: ...18 3 6 Operating Controls 19 3 7 Tools 21 3 7 1 Blade Holder 21 Transport 22 4 1 General Information 23 4 2 Conditions for Initial Set up 23 4 3 Initial Set Up 23 4 4 Equipment Specifications 23 Initial Operation 24 5 1 Preparations Before Initial Operation 25 5 2 Initial Operation 25 Operation 27 6 1 Start up Procedure 28 6 2 Shutting Down 29 6 3 Operational and Maintenance Procedures 30 6 4 Star...

Страница 4: ...ical Systems 39 Troubleshooting 40 9 1 Scraper Troubleshooting 41 Hydraulic System 45 10 1 General System Description 46 10 2 Hydrostatic Pump 47 10 3 Auxiliary Pump 48 10 4 Wheel Drive Motors 48 10 5 Control Valve Assembly 49 10 6 P O Check Valve 50 10 7 Oil Cooler 50 10 8 Return Filter 51 10 9 Suction Strainer 51 10 10 Suction Filters 52 10 11 Hydraulic Oil 53 10 12 Needle Valve Bi Directional M...

Страница 5: ...Revision B Revised 5 20 2003 12 33 PM 3 Operating Instructions BMS 270LPII Technical Data Section 1 1 1 Rating 1 2 Unit Specification 1 3 Operative Range and Correct Usage 1 4 Machine Type Code ...

Страница 6: ...a 1 1 Rating Unit Designation Blastrac Multiscraper Machine Type BMS 270LPII Manufacturer Blastrac 13201 North Santa Fe Oklahoma City OK 73114 1 2 Unit Specification Unit Specifications Multiscraper Length 79 50 inches Width 30 50 inches Height 65 inches Weight 2 590 pounds Wheelbase 44 19 ...

Страница 7: ...urfaces 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 The manufacturer will not be liable for damages injury or death resulting from improper usage of the multiscraper by the multiscraper owner or renter 1 4 Machine Code BMS 270LPII B lastrac 270 Width of Blade 27 0 inches...

Страница 8: ... 12 33 PM 6 Operating Instructions BMS 270LPII Safety Precautions Section 2 2 1 Organizational Precautions 2 2 Safety Precautions Operation 2 3 Safety Precautions Maintenance 2 4 Precautions 2 5 Maintenance Mode 2 6 Caution Points ...

Страница 9: ...es 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 All warnings and safety instructions must be kept in good readable...

Страница 10: ...e recommended Periodic checks or inspections outlined in this instruction manual must be performed within the prescribed time limits Maintenance personnel should have the proper tools available to perform their assigned tasks Operating and maintenance personnel must verify availability of appropriate fire protection equipment be properly trained in the use of the equipment and know how to contact ...

Страница 11: ...ered by the multiscraper movement DANGER Engine exhaust gases contain poisonous carbon monoxide Carbon monoxide is an odorless and colorless and can cause injury or death if inhaled Do not use equipment indoors without adequate ventilation Refer to OSHA guidelines and regulations concerning maximum levels of exposure to carbon monoxide gases and other hazards associated with using internal combust...

Страница 12: ...per has been put in a Maintenance Mode as outlined in Section 2 5 in order to perform maintenance or repair work precautions must be taken to ensure that it cannot be turned on inadvertently Before carrying out maintenance or repair work let the engine and the exhaust system cool down remove all traces oil combustible fuel or cleaning fluids from the scraper its connections and fittings in particu...

Страница 13: ...tiscraper remove all dust and combustible materials from the area and provide adequate ventilation to reduce the risk of fire or explosion When working in a confined space adhere to the appropriate safety regulations Place fire extinguishers and fire blankets within easy reach of potential fire hazards DANGER Engine exhaust gases contain poisonous carbon monoxide Carbon monoxide is an odorless and...

Страница 14: ...maintenance mode Move the multiscraper to level ground Turn off the ignition switch and remove the key Set the parking brake and make sure the multiscraper cannot move Wait until all drives have stopped completely Depress E Stop button Close propane tank valve Remove key from ignition switch Let the engine exhaust system and hydraulic components cool down Warning Engine exhaust system and hydrauli...

Страница 15: ...re followed during operation and maintenance of the multiscraper and that the necessary protective devices are used Below is a listing of points and areas which demand due caution This listing is not intended to be an all inclusive listing of potential caution points Operators and maintenance personnel should use caution working on in or around the multiscraper at all times 4 5 2 1 3 6 7 7 7 7 1 H...

Страница 16: ...at the multiscraper operators and maintenance personnel are familiar with the following Lubrication cleaning and repair work can only be done when the multiscraper is put in a Maintenance Mode as outlined in Section 2 5 Do not remove protective covers panels or guards or open doors while any mechanical parts are moving Once maintenance is finished e sure to replace all doors panels and safety devi...

Страница 17: ...vised 5 20 2003 12 33 PM 15 Operating Instructions BMS 270LPII General Section 3 3 1 Introduction 3 2 Operating Instructions 3 3 Maintenance 3 4 Scope of Delivery 3 5 Description 3 6 Operating Elements 3 7 The Tools ...

Страница 18: ...optimum equipment performance and proper maintenance techniques It is very important that all personnel operating and maintaining the BMS 270LPII read and understand this manual completely before operation or maintenance begins 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 be...

Страница 19: ...ze 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 3 4 Delivery Components System delivery includes Multiscraper Tool holding fixture with four fastening bolts Tool as per order Tile Buster Blade Straight Blade Carpet Blade etc ...

Страница 20: ...chometer Hour Meter 5 E Stop Button 12 Engine Throttle 6 Motion Control Joystick 13 Light Switch 7 Lift Cylinders 14 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 A...

Страница 21: ...ve the joystick forward go forward B Move to the right turn right C Move left turn left D Move back go in reverse E Any intermediate movement will give dual drive according to direction of the joystick movement 2 Parking Brake A Pull lever up to set the brake B Push the button in the end of the lever This will release the brake CAUTION Parking brake is designed to prevent the multiscraper from mov...

Страница 22: ...ne speed to idle course adjustment down 5 Blade Control Joystick w Rocker Switch A Depress right side of rocker switch to lower blade B Depress left side of rocker switch to raise blade 6 Ignition Switch A All the way CCW switch is in off position B In mid position switch is on C All the way CW switch is in the start position The switch is spring loaded and will return to the on position when rele...

Страница 23: ...ing removed Mastic for example should be removed by using the wide scraper blade 12 inch or 18 inch If the drive wheels of the multiscraper lose traction additional weights can be added above the drive wheels In cases where additional weight does not help reduce the blade width Optional Equipment Tool Application Tile Buster Blade Ceramic Tile Removal Hardwood Floor Removal Single Narrow Tough sma...

Страница 24: ...vised 5 20 2003 12 33 PM 22 Operating Instructions BMS 270LPII Transport Section 4 4 1 General Information 4 2 Transport 4 3 Conditions for Initial Set Up 4 4 Initial Set Up 4 5 Dimensions Space Required and Weights ...

Страница 25: ... equipped with lifting eyes This allows them to be easily lifted by any appropriate lifting device For weights and dimensions of the multiscraper please see Section 1 Technical Data 4 2 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 4 3 Ini...

Страница 26: ...Revision B Revised 5 20 2003 12 33 PM 24 Operating Instructions BMS 270LPII Initial Operation Section 5 5 1 Preparations Before Initial Operation 5 2 Initial Operation ...

Страница 27: ...oading multiscraper move it to the work surface area under its own power whenever possible Warning Hand push when this is the only way to get to the work area When the multiscraper is placed on casters it will roll if on uneven floor or ground Brakes on casters are not designed to prevent the multiscraper from moving When moving multiscraper with casters all personnel should be clear of the path o...

Страница 28: ...ghten 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 8 The initial operation is finished when all necessary readjusting work has been completed and when you are sure that all systems are working correctly ...

Страница 29: ... Operating Instructions BMS 270LPII Operation Section 6 6 1 Start up Procedure 6 2 Shutting Down 6 3 Maintenance Procedures 6 4 Maintenance Precautions 6 5 Start up After Maintenance or Repair 6 6 Procedures Before and After Long Storage Time ...

Страница 30: ...ted 3 Engage parking brake item 2 Section 3 6 to limit multiscraper movement upon starting 4 Release E stop button item 3 Section 3 6 5 Insure that motion control joystick item 1 Section 3 6 is in its centered or center position see Section 10 2 Hydrostatic Pump 6 Start multiscraper with ignition switch item 6 Section 3 6 7 Adjust throttle item 4 Section 3 6 to desired RPM not to exceed 3500 RPM s...

Страница 31: ... 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 1 2 3 4 5 6 8 7 3 Engage parking brake Control 2 4 Push E stop button to ensure safe condition Control 3 5 Remove the key 6 Turn off propane tank valve Turn knob CW all the way until closed 7 Secure the multiscraper against acci...

Страница 32: ...ion 2 5 6 4 Start up After Maintenance or Repair See manual Initial Operation Chapter 5 2 6 5 Procedures Before and After Long Storage Time Storage time in excess of three months Before Storage Shut down see Shut Down Procedure Section 6 2 Protect motors from dirt dust moisture heat and shock Clean the multiscraper and cover with protective tarp Unused blank steel inserts and scraper blades should...

Страница 33: ...ng Instructions BMS 270LPII Maintenance Section 7 7 1 Instructions 7 2 Maintenance and Inspection List 7 3 Repairs 7 4 Scraper 7 4 1 Changing Scraper Blade 7 4 2 Tool List for Multiscraper 7 5 Changing the Return Line Oil Filter 7 6 Lubricant Storage ...

Страница 34: ...o determine the time the multiscraper has been in use Because of different operating conditions the time intervals for normal wear inspection maintenance and repair cannot be exact 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...

Страница 35: ...erform a complete wear check on the multiscraper unit and clean the unit completely Check that all screw connections are secure Long storage period maximum three months See Section 6 5 Contact your Blastrac specialist 50 60 hours Replace the engine oil and engine oil filter Initial change first 50 to 60 hours then every 150 hours Replace the multiscraper s hydraulic return oil filter or when the g...

Страница 36: ...hen changing parts in house observe the following instructions and the individual step by step procedures Blastrac also recommends that you keep a sufficient inventory of wear parts as well as blade pivot parts 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 o...

Страница 37: ...of severe cuts and or burns blades should be handled with leather gloves 1 Loosen the 4 inch Hex bolts and tap both sides of the blade clamp lightly to loosen 2 Lift up blade clamp and pull out old blade 3 Clean all foreign matter from under and around the blade clamp 4 Insert the new blade until it bottoms out on the corner step on the blade holder 5 Tighten up the jackscrews until blade clamp is...

Страница 38: ...using cover thoroughly with a clean lint free cloth Ensure that the area is clear of debris that may enter tank and contaminate the hydraulic oil and damage the hydraulic system Twist slightly and remove cover from housing Be aware that filter housing cover is under spring pressure Hold down while twisting and removing the housing cover 4 Remove the filter element 5 Check the O ring and the suppor...

Страница 39: ...c tank Protect disconnected hoses from dirt and debris 4 Clean hydraulic tank access cover thoroughly with a clean lint free cloth Ensure that the tank is free of debris that may enter tank and contaminate the hydraulic oil and damage the hydraulic system 5 Remove bolts on perimeter of the access cover and remove the cover 6 Replace filters 7 Re attach hydraulic tank access cover ensuring that all...

Страница 40: ...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 Used oil and other lubricants must be disposed of properly Follow all applicable storage and disposal regulations ...

Страница 41: ...ems 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 Work Lights Safety Strobe Light Solenoid Valve Oil cooler Fan ...

Страница 42: ...Revision B Revised 5 20 2003 12 33 PM 40 Operating Instructions BMS 270LPII Troubleshooting Section 9 9 1 Scraper Troubleshooting ...

Страница 43: ...ng on components b Hose has been exposed to poor environmental conditions a Replace and protect the hose b Replace hose and protect equipment from poor conditions 5 The multiscraper makes an unusually loud hissing or whistling noise a Fluid is passing over relief valves b Air in hydraulic circuit a This could be normal on an intermittent basis If noise is continuous call a Blastrac Service Center ...

Страница 44: ...operate in this condition 10 The scraper does not react when the motion control joystick is actuated See Possible cause 1a and 1b See Remedy 1a and 1b 11 The scraper blade will not move when rocker switch is actuated a Rocker switch is bad b Control valve solenoid is bad c Control valve is clogged d Relief valve is defective or setting is wrong e Multiscraper is too heavy f Lift cylinder are bad a...

Страница 45: ...ly and see if oil returns See Remedy b and c b and c Clean multiscraper thoroughly and tighten all hose connections and fittings 14 Hydraulic oil and or oil foam leaking from oil tank Excessive air in the circuit can cause severe damage to piston pumps Stop multiscraper and repair immediately a Oil level too high b Oil level too low c Vent in return filter blocked d Air getting into hydraulic circ...

Страница 46: ...CES 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 Make sure that the actuating arm is straight up and down when the motion control joystick is centered ...

Страница 47: ...I 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 ...

Страница 48: ...ns A direct shaft connected 25 hp Kohler engine using liquid propane fuel with an operating speed of 3500 rpm powers the hydraulic pumps A closed loop circuit circulates fluid through the pumps to in this case the drive motors and returns the fluid to the pump repeating the cycle and continuously using the same fluid to power the drive motors An open loop system pulls fluid from the hydraulic tank...

Страница 49: ...eel to rotate forward and the left drive wheel to rotate in reverse turning the multiscraper to the left with a virtually zero turning radius Since there is natural leakage in any piston pump and the piston pumps are part of the closed loop circuit the fluid must be replenished or the closed loop circuit would quickly run out of fluid The hydrostatic pump is equipped with two charge pumps one for ...

Страница 50: ...t cylinders and auxiliary functions 10 4 Wheel Drive Motors Item 3 P002340 and Item 4 P002339 on Service Drawing 700 SD0010 are duel rotation fixed displacement gear motors with 2000 psi internal relief valves The motor speeds are directly proportional to the flow they receive from the piston pumps The relief valves are set at 2000 psi to limit the torque to the drive wheels Pressures above 2000 p...

Страница 51: ...usted to a maximum of 2400 psi If the relief valve is set above 2400 psi the resulting torque at full flow rate will severely damage the pump Please contact a Blastrac Specialist before attempting to adjust the relief valve setting 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 conta...

Страница 52: ...ker switch is released the cylinders again lock in place 10 7 Oil Cooler Item 7 P002373 on Service Drawing 700 SD0010 is a oil cooler with 30 psi bypass valves The oil from the gear pump Item 2 is always going through the oil cooler while the drive motor is on The volume of oil passing through the oil cooler is dependant on the drive motor rpm The oil cooler is an air over oil cooler with the air ...

Страница 53: ...needs to be replaced and is not it will reduce the flow on oil to the hydraulic tank and increase the pressure in the system This increased pressure will result in a decrease in multiscraper performance and could possible damage the hydraulic components 10 9 Suction Strainer Item 9 P002344 on Service Drawing 700 SD0010 is an in tank 100 mesh suction strainer See drawing number 700 0121 for the loc...

Страница 54: ...ator of the filter condition See drawing number 700 0121 for the location of the pressure gauge The gauge should be checked at the beginning of each workday and the filter replaced if indicated by the reading on the gauge The drive motor should be running at 3500 rpm when the gauge is checked If this gauge reads above 5 inHg of vacuum pressure replace the filter as soon as possible The multiscrape...

Страница 55: ...come contaminated over time if the system is not maintained Keep in mind that the most harmful particles are the ones that cannot be seen with the naked eye It is extremely important that special care is taken any time the system is exposed to outside elements i e replacing a hose replacing a filter or changing the hydraulic oil Blastrac recommends that a 10 micron filter is used when adding new o...

Страница 56: ...unt of oil is passing through to and from the cylinders Furthermore a full open setting will decrease pressure in the lines and limit the amount of oil that passes through the relief valve Decreased flow of oil through the relief valve decreases the addition of heat to the system If an attachment is in use turn the needle valve knob clockwise until the desired controlled lowering of the lift cylin...

Страница 57: ...sembly 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 ...

Страница 58: ...SHER LOCK 5 8 32 2 P000235 700 0024 WHEEL TIRE HUB ASSY 33 1 P002384 700 0092 PUMP SUPPORT 34 1 P002405 700 0107 EXTENSION SHAFT UP DOWN CONTROL KNOB 35 2 02200003 COLLAR SHAFT 3 4 B 36 1 500072 NUT JAMHEX 5 8 11UNC 37 1 P002337 HAYES COUPLING 38 16 500768 SCREW CAP HEX 3 8 x 1 1 4 16UNC 39 1 P002373 OIL COOLER 40 3 500177 SCREW CAP HEX 1 4 20UNC 41 1 P001409 220 0273 ENGINE ASSEMBLY KOHLER 25 HP ...

Страница 59: ...ITIONAL 1 2 ANGULAR POSITIONAL 1 2 SQUARENESS CORNER 0 12 BEND RADIUS IS EQUAL TO MATERIAL SLL WELDMENTS 0 12 CORNER MAX DIFFERENCE THICKNESS UNLESS OTHERWISE NOTED IN DIAGONALS DIMENSIONAL TOLERANCES WHEELS AND SIDE PLATES REMOVED FOR CLARITY A DETAIL A 1 4 B DETAIL B 1 4 C C 1 47 48 25 9 59 68 19 24 23 77 66 35 69 71 56 1 26 18 79 73 17 55 2 1 12 26 79 41 85 49 76 42 58 18 73 8 43 29 6 11 45 54 ...

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