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POWER UNIT SPECIFICATIONS 

 
IMPORTANT 

Exceeding any of the recommended power unit specifications 

 

CAN 

result in damage to your power unit and/or this product and 

 

WILL 

void all HLA warranties. 

 
 

 
 
 
 

 

ATTACHMENT SPECIFICATIONS

 

 

 
 
 
 

 
 
 
 
 
 
 
 

 
 
 
 
 
 
 
 

 

LOADER SPECIFICATIONS 

Minimum 12 gpm  

Maximum 20 gpm  

Maximum 3000 PSI 

 

Model # 

Mode l# 

BR72 BR84 

Approx. Weight 

(lbs.) 

955 lbs. 

1070 lbs. 

Max. Length at  

0° Angle 

57.5 inches 

57.5 inches 

Max. Width at  

0° Angle 

78 inches 

90 inches 

Max. Length at  

Full Angle 

67.5 inches 

74 inches 

Max. Width at  

Full Angle 

80 inches 

90.5 inches 

Sweeping Width at 

0° Angle 

67.5 inches 

79.5 inches 

Sweeping Width at 

Full Angle 

70.5 inches 

81 inches 

 

Summary of Contents for BR72

Page 1: ...OPERATOR S MANUAL Hydraulic Rotary Broom BR72 BR84 Manual BR 10 11 December 2010 ...

Page 2: ... 0 ...

Page 3: ...nd Symbols Accident Prevention 3 Safety Instructions 4 5 Safety Signs 6 Power Unit Specifications 7 Attachment Specifications 7 Installation Instructions 8 Broom Adjustments 8 Hydraulic Instructions 9 10 Operation 9 Storage 10 Maintenance 11 Service 12 Electric Hydraulic Valve 13 Wiring Schematics 14 Hydraulic Schematics 14 Parts Illustrations 15 19 Head Components 15 Frame Components 16 17 Broom ...

Page 4: ...e of this manual is to assist you in safely assembling mounting operating and maintaining your Broom Read this manual carefully to obtain valuable information and instructions that will help you achieve safe and dependable service The illustrations and data used in this manual were current at the time of printing but due to possible engineering and or production changes this product may vary sligh...

Page 5: ...o accident prevention program can be successful without the wholehearted cooperation of the person who is directly responsible for the operation of the equipment If accidents are to be prevented and accidents can be prevented that prevention will come from equipment operators who accept their complete responsibility and anticipate the results of their actions The designer the manufacturer and the ...

Page 6: ...is product to the ground apply your power unit s parking brake stop the engine remove the starter key wait for all moving parts to stop and then relieve all pressure in the hydraulic lines Refer to your power unit s operator s manual for instructions on how to relieve hydraulic pressure in lines Know your loader s safe lifting and operating capacity and the weight of this product See the specifica...

Page 7: ...der arms of your power unit the same as the original products that were designed by your loader quick attach manufacturer If this product does not fit properly contact HLA before operating Never place your finger into the mounting plate or 3 point hitch or loader holes A slight movement of the power unit or this product could cause serious injury Make certain that all safety signs are in place and...

Page 8: ...arge from your dealer or from HLA PLACEMENT OR REPLACEMENT OF SAFETY SIGNS 1 Clean the area of application with non flammable solvent then wash the same area with soap and water 2 Allow the surface to fully dry 3 Remove the backing from the safety sign exposing the adhesive surface 4 Apply the safety sign to the position shown in the diagram above and smooth out any bubbles Item 1 Item 2 Item 3 IT...

Page 9: ...TIONS LOADER SPECIFICATIONS Minimum 12 gpm Maximum 20 gpm Maximum 3000 PSI Model Mode l BR72 BR84 Approx Weight lbs 955 lbs 1070 lbs Max Length at 0 Angle 57 5 inches 57 5 inches Max Width at 0 Angle 78 inches 90 inches Max Length at Full Angle 67 5 inches 74 inches Max Width at Full Angle 80 inches 90 5 inches Sweeping Width at 0 Angle 67 5 inches 79 5 inches Sweeping Width at Full Angle 70 5 inc...

Page 10: ... Broom to ensure it is securely mounted 12 Enter power unit fasten safety restraints and start the power unit 13 Carefully raise the loader arms and cycle the tilt cylinders to check clearances and to verify that all mounting procedures have been successfully completed REMOVAL Reverse the instructions ABOVE Ensure hydraulic hose couplings do not fall in dirt and electrical wires do not become dama...

Page 11: ... the Broom Remove items before sweeping NOTICE AVOID BROOM DAMAGE Do not ram into piles Use a dozer blade for this type of job When approaching obstacles like utility poles or fire hydrants slow engine and travels to avoid hitting these hazards USAGE 1 Clear area of all bystanders and engage Broom only from operator s station 2 Swing brush head assembly the direction you want to direct the debris ...

Page 12: ...Broom Increase engine speed if debris becomes very heavy BROOM STORAGE The following storage procedure will assist you to keep your Broom in top condition NOTICE DO NOT STORE BROOM WITH WEIGHT ON THE BRUSH Weight will deform the bristles destroying the sweeping effectiveness To avoid this problem place the Broom on blocks or optional stands The polypropylene bristles will deteriorate in sun high h...

Page 13: ...ny fittings or hoses Ensure all safety signs are in place are clean and are legible SEE THE SAFETY SIGN SECTION page 6 Replace any damaged parts and excessively worn parts Check sweep pattern AFTER EVERY 8 HOURS OF OPERATION Check brush pattern adjust as necessary Check drive shaft Lubricate universal joints with high quality grease Tighten universal joint set screws MONTHLY OR AFTER EVERY 40 HOUR...

Page 14: ...g end cap on the rotor 7 Slide old bristles off core May need to set rotor on end weight or tie down to the floor and use a hoist to pull bristles off one row at a time Take care not to damage the core 8 To reassemble slide new bristles on frame Note locate drive pins on each side of rotor flat bar Orient waves on bristle core so the high sides come together Bristles alternate one poly and one ste...

Page 15: ... 13 ...

Page 16: ... 14 WIRING SCHEMATICS HYDRAULIC SCHEMATICS ...

Page 17: ...2009 2010 2011 FRAME COMPONENTS 10 9 8 11 5 22 7 3 16 12 21 3 5 15 3 4 23 24 6 16 14 20 8 9 20 8 13 18 10 11 2 17 4 9 2 19 1 18 4 4 ...

Page 18: ...030 2 10 1 4 Lock Nut LA SB1031 2 11 3 4 x 2 Hex Bolt LA SS1025 4 12 Pivot Subframe Assembly LP 100293 1 13 Oscillation Subframe Assembly LP 100294 1 14 Attachment Frame Assembly LP 100295 1 15 Spring Mount Assembly LP 100296 2 16 Oscillation Retainer Bushing LP 100297 1 17 Angle Cylinder Pin LP 100298 2 18 Main Pivot Pin LP 100299 1 19 Float Pin LP 100300 2 20 5 8 x 16 Threaded Rod LP 100301 3 21...

Page 19: ... Weldment LP 100292 1 N A 8 Drive Plate Assembly LP 100304 1 1 9 Motor Mount Bracket LP 100305 1 1 10 Single Castor Wheel Assembly LP 100306 N A 2 11 Motor Shield LP 100307 1 1 12 Caster Top Retainer Washer LP 100308 2 2 13 72 Broom Head Weldment LP 100312 N A 1 14 Single 6 Caster Yoke LP 100980 N A 2 15 Double 6 Castor Yoke LP 100981 2 N A 16 Double Caster Wheel Assembly LP 100982 2 N A 17 4 Bolt...

Page 20: ...t Lock Washer LA SB1184 6 6 3 1 2 Helical Spring Lock Washer LA SS1002 6 6 4 84 Broom 50 50 Wafer Set LP 100303 1 N A 5 72 Broom 50 50 Wafer Set LP 100313 N A 1 6 84 Broom Inner Frame LP 100314 1 N A 7 72 Broom Inner Frame LP 100318 N A 1 8 Broom Retainer Plate LP 100322 1 1 9 2009 2010 2011 BROOM COMPONENTS 1 7 8 3 4 2 9 4 3 5 6 ...

Page 21: ...000810 5 4 90 9 16 M JIC 9 16 M ORB HF 68010606 2 5 3 4 16 90 M JIC 7 8 14 M ORB HF 68010810 1 6 Female FF Quick Coupler HF FF150808 1 7 Male FF Quick Coupler HF FM150808 1 8 Supply Hose 1 2 HH100074 2 9 84 Drive Hose 1 2 HH100075 1 10 Angle Cyl Hose 1 4 Rear Port HH100076 1 11 Angle Cyl Hose 1 4 Front Port HH100077 1 12 MLHS 400 Hydraulic Motor HM MLHS400 1 13 Selector Switch Box Wire LP 100311 1...

Page 22: ...6 78 106 121 164 171 232 5 8 15 16 110 149 170 230 240 325 1 1 8 192 261 297 403 420 569 7 8 1 5 16 306 416 474 642 669 907 1 1 1 2 467 634 722 979 1020 1383 Metric Series Torque Chart Diameter Thread Pitch millimeters Wrenc h Size Metric Grade 8 8 Metric Grade 10 9 Metric Grade 8 8 Metric Grade 10 9 Diameter Thread Pitch millimeters Coarse Thread Fine Thread N m lbs ft N m lbs ft N m lbs ft N m l...

Page 23: ...et screw out 1 turns tighten jam nut Dirt or debris in spools Contact your dealer or HLA Brush head assembly bounces during sweeping Travel speed too fast and or brush speed too slow Find correct combination of ground and brush speeds do not travel at more than 5 mph 8 kph Core is bent Replace core Brush wears into cone shape Broom is not level Level Broom before each use Tires on power unit at di...

Page 24: ... oil Hydraulic oil heating Dirty oil Drain and refill oil replace filter Partially plugged inlet filter Clean filter element Oil too light in hot weather Use recommended oil Damaged oil lines Replace oil lines External hydraulic fluid leakage Motor seals damaged Repair motor Broken oil lines Replace hose and check for leaks Loose hydraulic connection Tighten loose connections Hydraulic pump capaci...

Page 25: ...ity for any damages that may result from the use or misuse by his employees or others Distributor dealer must notify Horst Welding of the defect by phone fax or email Recommended repairs and cost are to be discussed with and agreed on by an authorized Horst Welding representative Repair and labor at an agreed rate will be performed by a dealer for Horst Welding or a repair shop designated by Horst...

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