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“GROUND SHARK” ROTARY CUTTER ASSEMBLY

12127 3-5-12

ASSEMBLY #30272-0000

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Summary of Contents for GROUND SHARK BC72GS

Page 1: ...IA 52223 United States of America SERIAL NUMBER ___________________ Manual Number OM828 Part Number 75728 MODEL NUMBER ___________________ Rev OPERATOR S AND PARTS MANUAL GROUND SHARK BC72GS ROTARY CU...

Page 2: ...ace unit on skid shoes Disengage auxiliary hydraulics Stop Engine Engage parking brake Remove key DANGER FLYING DEBRIS HAZARD CLEAR AREA OF BYSTANDERS AND LIVE STOCK BEFORE OPERATING THE ROTARY CUTTER...

Page 3: ...age 19 Lift Points 19 20 Tie Down Points 20 Transporting 20 LUBRICATION 21 MAINTENANCE AND SERVICE Maintenance Schedule 22 Replacing Blades 23 24 Replacing Hydraulic Motor 24 25 Replacing Drive Bearin...

Page 4: ...2 75728...

Page 5: ...for safety with this equipment falls to the operator Make sure the equipment is operated only by trained individuals that have read and understand this man ual If there is any portion of this manual...

Page 6: ...THIS PAGE IS INTENTIONALLY BLANK 4 75728...

Page 7: ...ore operating Visually inspect your equipment before you start and never operate equipment that is not in proper working order with all safety devices intact Check all hardware to ensure it is tight M...

Page 8: ...PRESSURE Hydraulic fluid under pressure can penetrate the skin and cause serious injury or death Hydraulic leaks under pressure may not be visible Before connecting or dis connecting hydraulic hoses r...

Page 9: ...the correct tools for the job at hand Make sure they are in good condition for the task required Wear the protective equipment specified by the tool manufacturer SAFELY OPERATE EQUIPMENT Do not operat...

Page 10: ...ion of the useful life of the unit drain all fluids and dismantle by sepa rating the different materials rubber steel plastic etc Follow all federal state and local regulations for recycling and dispo...

Page 11: ...ghts reflectors Slow Moving Vehicle signs etc to prevent accidents Check local government regulations that may affect you Do not drive close to ditches excavations etc cave in could result Do not smok...

Page 12: ...679 40151 40678 40677 50 0769 LOGO LOGO 50 0737 50 0737 4105 40673 4105 41207 40307 50 0769 50 0769 SERIAL TAG LOCATION 40673 4105 12131 2 28 12 IMPORTANT Keep all safety signs clean and legible Repla...

Page 13: ...R ROTATING BLADE PART 40673 SAFETY INSTRUCTIONS PART 40677 WARNING HIGH PRESSURE FLUID PART 40151 WARNING BEFORE LEAVING OPERATOR S SEAT PART 40678 DANGER GUARD MISSING PART 40307 WARNING LIFT LIMITIN...

Page 14: ...ANGER STAND CLEAR MADE IN USA PART 4338 LIFT POINT PART 50 0769 WARNING MOVING PARTS PART 41207 WARNING PINCH POINT PART 50 0737 DANGER STAND CLEAR PART 4105 NOTE CONTACT YOUR LOCAL DEALER TO PURCHASE...

Page 15: ...URY OR DEATH THE BRADCO ROTARY CUTTER MUST NOT BE ATTACHED TO ANY POWER UNIT THAT DOES NOT HAVE A SHATTERPROOF DOOR OR FRONT SHIELD INSTALLED NOMENCLATURE The purpose of this diagram is to acquaint yo...

Page 16: ...locking mechanism on your quick attach is en gaged therefore locking the attachment onto the skid steer 3 Connect the Lift Limiting Chain to the front of your skid steer loader The back of the rotary...

Page 17: ...re restarting Blade rotation is maintained by monitoring system pressure and operating the attach ment at pressures below relief valve settings Overheating of the hydraulic system is caused if hydraul...

Page 18: ...eatedly going over relief and therefore causing overheating of the hydraulic system CUTTING LARGE BRUSH AND SMALL TREES UP TO 7 178mm IN DIAMETER WARNING Trees can fall in any direction It is the oper...

Page 19: ...uge reading when the system goes over relief on your application prime mover and rotary cutter combination and then careful monitoring of the pressure gauge on the rotary cutter will help you prevent...

Page 20: ...han full cut to prevent overloading If the blades seem to be unable to handle the volume of brush slow down the travel speed until the unit reaches full speed before proceeding SCALPING THE GROUND or...

Page 21: ...nections Check the drive bearing housing for proper lubricant level Seal hydraulic system from contaminants and secure all hydraulic hoses off the ground to help prevent damage Replace decals if damag...

Page 22: ...red Securing to trailer at other points is unsafe and can damage attachment Do not attach tie down accessories around cylinders or in any way that may damage hoses or hydraulic components See Diagram...

Page 23: ...nd needless replacement of parts WEEKLY The oil level in the drive bearing housing should be checked once a week Fill as neces sary with a mild extreme pressure lubricant API GL 5 No 80 or 90 weight g...

Page 24: ...eck all other hardware and tighten if necessary See Bolt Torque Specifica tions Check hydraulic system for hydraulic oil leaks Check blades for damage and replace or sharpen as needed Check all safety...

Page 25: ...round and hydraulic couplers disconnected loosen the cap screws on the access cover and rotate cover open 2 Remove the front shield and loosen the four blade carrier capscrews by rotating the blade ca...

Page 26: ...the hydraulic couplers disconnected Be sure all rotation has stopped before making any adjustments or repairs NOTE Field replacement of the internal motor seals voids warranty 1 Remove motor cover Tw...

Page 27: ...torque to specification See Bolt Torque Specifications REPLACING DRIVE BEARING HOUSING When replacing the drive bearing housing the unit must be detached from the prime mover in a clean open location...

Page 28: ...cant API GL 5 No 80 or 90 weight gear lubricant Replace plugs 9 Grease the hydraulic motor spline shaft and install the motor assembly and o ring onto the drive bearing housing using the existing hard...

Page 29: ...on hose into the housing so that it reaches the bottom 2 Place the output hose into an approved container or drum that will hold the waste oil 3 Following the instructions for your fluid removal pump...

Page 30: ...o ring failure Incorrect operating technique Damaged or worn stump grinding teeth Bearing failure To diagnose bearing fail ure rotate blade carrier slowly and listen for bearing noise Bearing failure...

Page 31: ...1649 1870 2236 2535 2686 3026 3642 4103 METRIC BOLT TORQUE SPECIFICATIONS Bolt head identification marks as per grade NOTE The following torque values are for use with metric hardware that is unplated...

Page 32: ...imum Stump Grinding Height with Optional Tooth Kit 38 10 mm Cutting Capacity Maximum Tree Diameter 7 00 178 mm Deck Thickness 1 4 High Strength Steel Maximum Operating Pressure Attachment 4000 psi 276...

Page 33: ...to repair or replace the product b Timely Repair and Notice In order to obtain the Limited Warranty i the product must be repaired within thirty 30 days from the date of failure and ii a claim under...

Page 34: ...GROUND SHARK ROTARY CUTTER ASSEMBLY 12125 3 5 12 ASSEMBLY 30272 0000 DIAGRAM 1 OF 3 1 13 22 23 23 22 2 14 24 3 3 15 25 26 4 16 22 5 17 27 6 18 28 7 19 29 8 20 30 9 31 10 11 12 21 21 32 75728...

Page 35: ...5 Drive Bearing Housing 14 2 1930 31 UNC X 75 Flat Head Screw 15 1 25453 Manual Storage Tube 16 2 89968 38 Straight Shackle 17 1 18169 Lift Limiting Chain 18 1 117130 Deck 19 3 1953 38 UNC X 75 Flange...

Page 36: ...GROUND SHARK ROTARY CUTTER ASSEMBLY 12127 3 5 12 ASSEMBLY 30272 0000 DIAGRAM 2 OF 3 1 2 3 4 5 6 6 7 8 34 75728...

Page 37: ...er 3 1 117140 Lower Blade Carrier 4 4 116800 Blade Mounting Spacer 5 4 116620 Double Edged Blade 6 16 10245 75 UNC X 2 75 Hex Capscrew Grade 8 7 8 10191 75 Nord Lock Washer 8 8 10060 75 UNC X 3 00 Hex...

Page 38: ...GROUND SHARK ROTARY CUTTER ASSEMBLY 12129 3 5 12 ASSEMBLY 30272 0000 DIAGRAM 3 OF 3 1 2 3 4 5 6 7 8 HYDRAULIC MOTOR WITH RELIEF VALVE 116801 36 75728...

Page 39: ...upler 12FBo 50 Body 84922 Male Quick Coupler 12FBo 62 Body 22521 Male Quick Coupler 12FBo 75 Body 3 2 38742 Hose 75 X 96 12MBo 12MBo Hose Sock 4 1 34146 Hose Protector Coil 5 1 1026 31 UNC X 2 00 Hex...

Page 40: ...HYDRAULIC MOTOR ASSEMBLY 12155 3 8 12 ASSEMBLY 116801 SERVICE PARTS 1 2 3 4 7 6 5 38 75728...

Page 41: ...3 Replacement Seal Kit 4 1 116802 Hydraulic Motor 45898 Replacement Motor Shaft Seal 5 2 3404 O Ring 6 1 46154 Cartridge Valve 46214 Replacement Seal Kit 7 1 30280 Hex Plug 4MBo NNS Not Sold Separatel...

Page 42: ...DE KIT 12139 3 5 12 ASSEMBLY 117194 BLADE CARRIER ASSEMBLY LOOSEN FOUR BLADE CARRIER CAPSCREWS TO REPLACE BLADES ALTERNATE BLADE ORIENTATION WHEN ONE SIDE OF BLADE IS WORN FLIP ALL FOUR BLADES OVER 1...

Page 43: ...PART NO DESCRIPTION 1 4 116620 Blade 2 4 116800 Spacer 3 12 RHW8604 75 UNC Flangehead Lock Nut Grade 8 4 12 10245 75 UNC X 2 75 Hex Capscrew Grade 8 REPLACEMENT BLADE KIT 12140 3 5 12 ASSEMBLY 117194...

Page 44: ...OPTIONAL CARBIDE TOOTH KIT 12137 3 5 12 ASSEMBLY 117193 1 2 BLADE CARRIER ASSEMBLY 42 75728...

Page 45: ...ITEM REQ D PART NO DESCRIPTION 1 18 10003 62 UNF Deformed Lock Nut 2 18 19917 Threaded Carbide Tooth OPTIONAL CARBIDE TOOTH KIT 12138 3 5 12 ASSEMBLY 117193 75728 43...

Page 46: ...WEAR PLATE KIT 12141 3 8 12 ASSEMBLY 117192 1 2 3 44 75728...

Page 47: ...ITEM REQ D PART NO DESCRIPTION 1 2 117191 Skid Shoe Wear Plate 2 6 1790 50 UNC Flangehead Lock Nut 3 6 1872 50 UNC X 1 50 Plow Bolt WEAR PLATE KIT 12142 3 8 12 ASSEMBLY 117192 75728 45...

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