Blastrac BMR-75D, Operating Manual

Page 1: ...OPERATING MANUAL BMR 75D VERSION 1 0 www blastrac com 1 800 256 3440...

Page 2: ...5 7 Engine Safety 5 7 4 Initial Operation 8 Checkpoints of Machine Safety 8 5 Operation 9 Switching on the Machine 9 Driving the Machine 10 Controlling the Blasthead 111 Order of Operation 112 6 Maint...

Page 3: ...astrac BMR 75D ride on shot blaster is ideally suited for medium and large sized applications with the added benefit of being diesel operated for increased versatility It is very maneuverable with zer...

Page 4: ...this machine Safety Regulations Never change anything from the safety devices on the machine Persons who are not operating the machine must not be permitted to stay within 20 feet of the machine Alwa...

Page 5: ...surface The weight of the BMR 75D is 5200 pounds Only use an appropriately sized lift to move hoist the BMR 75D The forklift pockets are shown below 1 Chock wheels for transport and keep the shifter i...

Page 6: ...6 Do not run the machine in unsafe environments Only operate this machine when sitting in the operator seat DO NOT OPERATE THIS MACHINE WHEN STANDING IN FRONT OF IT...

Page 7: ...ation Refer to OSHA guidelines and regulations concerning maximum levels of exposure to carbon monoxide gases and other hazards associated with using internal combustion engines It is highly recommend...

Page 8: ...to use the machine if it does not pass all of the checkpoints below Checkpoints of Machine Safety Shifter should be in the neutral position All hydraulic hose connections are tightened and there is n...

Page 9: ...ke place on the seat Operating the machine without being seated is not possible because of the safety switch of the seat Turn the key contact switch 2 to the right Run the RPM up to 2200 using the thr...

Page 10: ...pushing it back makes the machine go in reverse The driving speed depends on the position of the shifter The steering wheel 2 controls the front wheel controlling the direction the machine goes There...

Page 11: ...and run up the blast wheel and blower The Clutch Off Button 4 will disengage the clutch turning the blast wheel and blower off The Shot Valve Open Button 5 will engage the linear actuator opening the...

Page 12: ...Run the machine up to 2200 RPM Press the free float button and wait for it to lower Turn the clutch on Run the machine to the desired speed Open the shot valve Shut down Close the shot valve Turn the...

Page 13: ...t Daily and prior to starting work Check all safety devices working adequate Check the function of the residual current operated device Check the hose connections for tightness and fixed seat Check th...

Page 14: ...he components from moisture heat dust and shocks All repair work must to be done by qualified Blastrac personnel this is to guarantee a safe and reliable machine Any guarantee on the machine is expire...

Page 15: ...il level there is an indicator 1 installed on the side of the tank The indicator can be seen from the driver side of the BMR 75D under the diesel tank door The level shouldn t be lower than half the r...

Page 16: ...n disconnect the battery The oil drain plug is located on the back of the machine near the rear axle You can refill the hydraulic oil from the diesel tank access door The oil filter is located on the...

Page 17: ...sthead To take the blast wheel out you will need to do the following steps Remove the bearing cover Remove the side cover with the bearing on it Remove the outer liner Remove the lower and upper inner...

Page 18: ...rifier drum out you will need to do the following steps Unbolt the three bolts holding the door closed Pull the door straight out then hinge it to the side Take the two nuts and the plate that hold th...

Page 19: ...ving the Blasthead Disconnect the dust collector hose from the Blasthead by taking off the hose clamp holding it on to the Blasthead Remove the cover and belt guard from the frame by taking out the tw...

Page 20: ...20 Use the tensioner wrench to loosen the belt tensioner and take the belt 1800 8M 50 off of the Blasthead pully and the jack shaft Then unplug the linear actuator from the machine...

Page 21: ...21 Use the dent puller to remover the shaft out of the Blasthead and the Blasthead mount Unclip the pin that holds the hydraulic cylinder to the Blasthead and remove the pin...

Page 22: ...22 Roll the Blasthead away from the BMR 75...

Page 23: ...23 Open the side door and loosen the tensioner between the clutch and the jack shaft with a 17mm wrench and take off the belt 1520 8m 50...

Page 24: ...t with the two 48 8M 50 pulleys using a 22mm ratchet then remove it from the frame Then take out the two set screws using a 8mm allen wrench and take the taper lock off the clutch pulley 112 8M 50 and...

Page 25: ...25 Attaching the Scarifier Repostion the tensioner for the blast head to the front hole for the scarifier head...

Page 26: ...ulley 56 8M 50 and taperlock on the clutch shaft using a 6mm allen wrench Bolt the new jack shaft assembly into place with the 56 8M 50 pulley on the outside and the 30 8M 50 pulley on the inside usin...

Page 27: ...27 Put the 1304 8M 50 belt on between the clutch and jackshaft then tighten the tensioner up using a 17mm ratchet...

Page 28: ...28 Roll the Scarifier head up to the BMR 75...

Page 29: ...29 Put the bar in to hold the Scarifier head to the frame and then line up the hydraulic cylinder with the lifting point and put the pin in...

Page 30: ...30 Put belt 2304 8M 50 on the scarifier head and the jack shaft Then use the tensioner wrench to tension the belt...

Page 31: ...31 Bolt the cover onto to the frame of the BMR 75 using tweleve M6 hex cap screws Then bolt the belt guard on to the side of the scarifier head with M6 bolts 10...

Page 32: ...BMR 75D Working width Shotblasting Scarifiying 16 13 2 Motor power 75 HP Drive system Speed Diesel up to 330ft min Machine type Ride on Application Asphalt Concrete Steel Length 120 Width 62 Height 6...

Page 33: ...33 11 Contact Blastrac NA 13201 North Santa Fe Avenue Oklahoma City OK 73114 Tel 800 256 3440 Fax 405 478 8608 www blastrac com...