Brandco GROUND SHARK BC72GS Operator And Parts Manual
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Brandco GROUND SHARK BC72GS Operator And Parts Manual

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OPERATOR'S AND PARTS
GROUND SHARK
ROTARY CUTTER
SERIAL NUMBER: ___________________
MODEL NUMBER: ___________________
800-456-7100 I www.paladinlcg.com
MANUAL
BC72GS
503 Gay Street, Delhi, IA 52223, United States of America
UNIVERSAL
SKID STEER
APPLICATION
Manual Number: OM828
Part Number: 75728
Rev.
12133
3-28-12

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  • Page 1 OPERATOR’S AND PARTS MANUAL GROUND SHARK BC72GS ROTARY CUTTER UNIVERSAL SKID STEER APPLICATION SERIAL NUMBER: ___________________ Manual Number: OM828 Part Number: 75728 MODEL NUMBER: ___________________ Rev. 800-456-7100 I www.paladinlcg.com 503 Gay Street, Delhi, IA 52223, United States of America 12133...
  • Page 2 READ ENTIRE OPERATOR'S & PARTS MANUAL BEFORE OPERATING! DANGER! ROTATING BLADE HAZARD! STAY BACK! OBJECTS CAN BE THROWN! DO NOT operate near bystanders. DO NOT place hands or feet under deck while in operation or with en- gine running. DO NOT operate without a shatterproof door (or front shield) installed on loader.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS PREFACE................................3 SAFETY PRECAUTIONS Safety Statements ............................ 5 General Safety Precautions ........................5-7 Equipment Safety Precautions ......................8-9 DECALS .................................10-12 PREOPERATION ..............................13 INSTALLATION INSTRUCTIONS ........................14 OPERATING INSTRUCTIONS Intended Use ............................15 General Information ..........................15 Operating Tips ............................15 Cutting Operation ..........................16-17 Troubleshooting Operating Conditions ....................
  • Page 4 75728...

  • Page 5: Preface

    PREFACE GENERAL COMMENTS Congratulations on the purchase of your new BRADCO product! This product was care- fully designed and manufactured to give you many years of dependable service. Only minor maintenance (such as cleaning and lubricating) is required to keep it in top working condition. Be sure to observe all maintenance procedures and safety precautions in this manual and on any safety decals located on the product and on any equipment on which the attachment is mounted.
  • Page 6 THIS PAGE IS INTENTIONALLY BLANK 75728...

  • Page 7: Safety Statements

    SAFETY STATEMENTS THIS SYMBOL BY ITSELF OR WITH A WARNING WORD THROUGHOUT THIS MAN- UAL IS USED TO CALL YOUR ATTENTION TO INSTRUCTIONS INVOLVING YOUR PERSONAL SAFETY OR THE SAFETY OF OTHERS. FAILURE TO FOLLOW THESE INSTRUCTIONS CAN RESULT IN INJURY OR DEATH. DANGER THIS SIGNAL WORD IS USED WHERE SERIOUS INJURY OR DEATH WILL RESULT IF THE INSTRUCTIONS ARE NOT FOLLOWED PROPERLY.
  • Page 8 GENERAL SAFETY PRECAUTIONS WARNING! PROTECT AGAINST FLYING DEBRIS Always wear proper safety glasses, goggles, or a face shield when driving pins in or out, or when any operation causes dust, flying debris, or any other hazardous mate- rial. WARNING! LOWER OR SUPPORT RAISED EQUIPMENT Do not work under raised booms without supporting them.
  • Page 9 GENERAL SAFETY PRECAUTIONS WARNING! DO NOT MODIFY MACHINE OR ATTACHMENTS Modifications may weaken the integrity of the attachment and may impair the func- tion, safety, life, and performance of the attachment. When making repairs, use only the manufacturer’s genuine parts, following authorized instructions. Other parts may be substandard in fit and quality.

  • Page 10: Equipment Safety Precautions

    EQUIPMENT SAFETY PRECAUTIONS WARNING! KNOW WHERE UTILITIES ARE Observe overhead electrical and other utility lines. Be sure equipment will clear them. When digging, call your local utilities for location of buried utility lines, gas, water, and sewer, as well as any other hazard you may encounter. WARNING! EXPOSURE TO RESPIRABLE CRYSTALLINE SILICA DUST ALONG WITH OTHER HAZARDOUS DUSTS MAY CAUSE SE-...

  • Page 11: Equipment Safety Precautions

    EQUIPMENT SAFETY PRECAUTIONS OPERATING THE ATTACHMENT • When operating on slopes, drive up and down, not across. Avoid steep hillside operation, which could cause the prime mover to overturn. • Reduce speed when driving over rough terrain, on a slope, or turning, to avoid overturning the vehicle.

  • Page 12: Decals

    DECALS DECAL PLACEMENT GENERAL INFORMATION The diagram on this page shows the location of all the decals used on your attachment. The decals are identified by their part numbers, with reductions of the actual decals located on the following pages. Use this information to order replacements for lost or damaged decals. Be sure to read all decals before operating the attachment.
  • Page 13 DECALS DANGER! ROTATING BLADE PART #40673 SAFETY INSTRUCTIONS PART #40677 WARNING! HIGH PRESSURE FLUID PART #40151 WARNING! BEFORE LEAVING OPERATOR'S SEAT PART #40678 WARNING! LIFT LIMITING CHAIN PART #40679 DANGER! GUARD MISSING PART #40307 8906 2-29-12-3 75728...
  • Page 14 DECALS DANGER STAND CLEAR DANGER STAND CLEAR PART #4105 MADE IN USA PART #4338 LIFT POINT PART #50-0769 WARNING! PINCH POINT PART #50-0737 WARNING! MOVING PARTS PART #41207 NOTE: CONTACT YOUR LOCAL DEALER TO PURCHASE LOGO DECALS. 12132 2-29-12 75728...

  • Page 15: Preoperation

    PREOPERATION GENERAL INFORMATION Your attachment is operated by the prime mover’s auxiliary hydraulics and mounts to the toolbar/quick attach mechanism for easy operator hook-up. Your skid steer loader must have an auxiliary hydraulic system and a shatterproof door or front shield to operate the rotary cutter. DANGER! To AVOID SERIOUS PERSONAL INJURY OR DEATH THE BRADCO ROTARY CUTTER MUST NOT BE ATTACHED TO ANY POWER UNIT THAT DOES NOT...

  • Page 16: Installation Instructions

    INSTALLATION INSTRUCTIONS GENERAL INFORMATION The following instructions will help you to mount your rotary cutter onto your skid steer loader. The rotary cutter uses the quick-attach system for ease of installation. Therefore, if you know how to attach your loader bucket, attaching the rotary cutter should prove no problem. Remember to read all safety warnings, decals and operating instructions before operat- ing the attachment.

  • Page 17: Operating Instructions

    OPERATING INSTRUCTIONS INTENDED USE: The Ground Shark rotary cutter is designed for cutting brush and small trees up to 7” (178mm) in diameter while still maintaining a 12” (305mm) maximum ground clearance. When equipped with the optional tooth kit, the attachment will also grind the remain- ing stumps down to ground level.

  • Page 18: Cutting Operation

    OPERATING INSTRUCTIONS CUTTING OPERATION Raise the back of the unit off of the ground approximately 4" (102mm) to allow the mate- rial to clear from under the cutting deck as you travel forward. Place the front skid shoes 2-6” (51-152mm) off the ground. This is the preferred position for cutting grass and heavy vegetation.
  • Page 19 OPERATING INSTRUCTIONS OPTIONAL TOOTH KIT OPERATION: After felling large brush or small trees, position the rotary cutter over the stump(s) and using a plunging motion, grind the stump(s) down to ground level while monitoring the pressure gauge to prevent unit from going over relief. To get maximum performance, maintain full speed of the blade carrier when grinding.

  • Page 20: Troubleshooting Operating Conditions

    OPERATING INSTRUCTIONS TROUBLESHOOTING OPERATING CONDITIONS: Below are listed a few operating conditions that may cause repeated stalling of your rotary cutter, and suggestions on how to correct them. GRASS TOO LONG OR THICK: If cutting heavy vegetation, you may need to slow travel speed or make smaller passes (less than full cut) to prevent overloading and stalling the unit.

  • Page 21: Storage

    OPERATING INSTRUCTIONS STORAGE The following storage procedure will help you to keep your rotary cutter in top condition. It will also help you get off to a good start the next time your cutter is needed. We therefore strongly recommend that you take the extra time to follow these procedures whenever your unit will not be used for an extended period of time.

  • Page 22: Tie Down Points

    OPERATING INSTRUCTIONS • Attach lifting accessories to unit at recommended lifting points. • Bring lifting accessories together to a central lifting point. • Lift gradually, maintaining the equilibrium of the unit. WARNING! Use lifting accessories (chains, slings, ropes, shackles and etc.) that are capable of supporting the size and weight of your attachment. Secure all lifting accessories in such a way to prevent unintended disengagement.

  • Page 23: Lubrication

    LUBRICATION GENERAL INFORMATION Economical and efficient operation of any machine is dependent upon regular and prop- er lubrication of all moving parts with a quality lubricant. Neglect leads to reduced efficiency, wear, breakdown, and 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 gear lubricant. TO CHECK: Remove plug from front of drive bearing housing. Lubricant should be visible. TO ADD: Remove plug from end of front of the drive bearing housing and add lubricant until full. Replace plug. DRIVE BEARING HOUSING PLUG 12149 3-6-12 75728...

  • Page 24: Maintenance Schedule

    MAINTENANCE GENERAL INFORMATION Regular maintenance is the key to long equipment life and safe operation. Maintenance requirements have been reduced to an absolute minimum. However, it is very important that these maintenance functions be performed as described. WARNING! Avoid serious injury. Lower the rotary cutter so both skid shoes are on the ground, set the parking brake, stop the skid steer engine, and remove the key before leaving the operator's seat.

  • Page 25: Replacing Blades

    MAINTENANCE WARNING! Avoid serious injury. Lower the rotary cutter so both skid shoes are on the ground, set the parking brake, stop the skid steer engine, and remove the key before leaving the operator's seat. Be sure all rotation has stopped before making any adjustments or repairs.

  • Page 26: Replacing Hydraulic Motor

    MAINTENANCE Replace, flip or sharpen blade and then loosely bolt blade into position on the carrier. (Install capscrews from the bottom up, with the lock nut towards the access opening.) NOTE: With one hand under the blade carrier holding the capscrew into the bolt head recess, loosely install one capscrew and then rotate the blade with spacer installed around to align the remaining two holes. Repeat steps #3 and #4 for the remaining three blades. After all four blades have been replaced, torque all hardware on the blades and the blade carrier to specification. See Bolt Torque Specifications Shut access cover and tighten hardware.

  • Page 27: Replacing Drive Bearing Housing

    MAINTENANCE Remove the capscrews holding the motor to the drive bearing housing, and remove the motor. Check motor seal for damage and replace if required. NOTE: If motor shaft seal was damaged you will need to drain the existing oil from the drive bearing housing and replace with new before installing the new motor. See in- structions for Changing Oil in Drive Bearing Housing. Grease the new motor spline shaft and install the new motor with o’ring onto the drive bearing housing using the existing hardware. Torque to specifications. See Bolt Torque Specifications.
  • Page 28 MAINTENANCE Attach the hoist to the blade carrier assembly and remove from the rotary cutter and set aside. (NOTE: The blade carrier weighs approximately 600 lbs (272 kgs). With the blade carrier assembly removed. Attach the hoist onto the front lifting holes on the push bar and set the unit back onto the skid shoes. Remove motor cover. (Two capscrews, one on each side of bearing housing.) NOTE: Set cover aside taking extra care to not put any strain on the hose going to the pressure gauge. Remove the capscrews holding the motor to the drive bearing housing, and remove the motor, setting it into a clean container to help prevent any contaminants from entering the hydraulic system. Check motor o’ring for damage and replace if required. Remove the .62” capscrews securing the drive bearing housing to the cutter deck and install new housing using the existing hardware. Torque to specification. See Bolt Torque Specifications Remove plugs from top of housing and fill with a mild extreme pressure lubricant API- GL-5, No. 80 or 90 weight gear lubricant. Replace plugs.

  • Page 29: Changing Oil

    MAINTENANCE CHANGING OIL IN DRIVE BEARING HOUSING When changing the oil in the drive bearing housing the unit should be setting firmly on the ground with the hydraulic couplers disconnected. We recommend removing the existing oil with a fluid removal pump. Remove one of the plugs in the drive bearing housing and place the extraction hose into the housing so that it reaches the bottom. Place the output hose into an approved container or drum that will hold the waste oil. Following the instructions for your fluid removal pump, remove all oil from the drive bearing housing. Once the oil has been drained from the housing, remove the pump and refill the housing with approximately 3.75 quarts (3.54 liters) of a mild extreme pressure lubricant API- GL-5, No. 80 or 90 weight gear lubricant. Replace plug. Torque to specification. See Bolt Torque Specifications PLUG PLUG 12157 3-12-12 75728...

  • Page 30: Troubleshooting

    TROUBLESHOOTING POSSIBLE CAUSE POSSIBLE REMEDY PROBLEM EXCESSIVE Blades bent. (Blades will become stuck Replace bent blades. (Blades positioned VIBRATION between blade carrier plates and cause an directly opposite of each other will need to imbalance.) be replaced at the same time.) Blades damaged or worn.

  • Page 31: Bolt Torque Specifications

    BOLT TORQUE SPECIFICATIONS GENERAL TORQUE SPECIFICATION TABLES Use the following charts when determining bolt torque specifications when special torques are not given. Always use grade 5 or better when replacing bolts. SAE BOLT TORQUE SPECIFICATIONS NOTE: The following torque values are for use with extreme pressure lubricants, plating or hard washer applications Increase torque 15% when using hardware that is unplated and either dry or lubricated with engine oil.

  • Page 32: Rotary Cutter Specifications

    SPECIFICATIONS 5° DESCRIPTION BC72GS A. Overall Height ................. 28.13” (715 mm) B. Overall Width .................. 77.38” (1965 mm) C. Overall Length ................85.59” (2174 mm) D. Cutting Width .................. 72.00” (1829 mm) E. Minimum Cutting Height (Skid Shoes On Ground) ......

  • Page 33: Limited Warranty

    Limited Warranty Except for the Excluded Products as described below, all new products are warranted to be free from defects in material and/or workmanship during the Warranty Period, in accordance with and subject to the terms and conditions of this Limited Warranty. Excluded Products.

  • Page 34: Rotary Cutter Assembly Mainframe

    “GROUND SHARK” ROTARY CUTTER ASSEMBLY ASSEMBLY #30272-0000 DIAGRAM 1 OF 3 12125 3-5-12 75728...
  • Page 35 “GROUND SHARK” ROTARY CUTTER ASSEMBLY ASSEMBLY #30272-0000 LIST 1 OF 3 ITEM REQ’D PART NO. DESCRIPTION 117135 Motor Cover 1113 .62” UNC X 1.25” Hex Capscrew 1506 .62” Lock Washer 30441 90° Elbow 4MBo-4MORFS 38738 Hose .25” X 24” 6FF-4FP 10255 10-24”...
  • Page 36 “GROUND SHARK” ROTARY CUTTER ASSEMBLY ASSEMBLY #30272-0000 DIAGRAM 2 OF 3 12127 3-5-12 75728...

  • Page 37: Blade Carrier

    “GROUND SHARK” ROTARY CUTTER ASSEMBLY ASSEMBLY #30272-0000 LIST 2 OF 3 ITEM REQ’D PART NO. DESCRIPTION RHW8604 .75” UNC Flange Top Lock Nut Grade 8 117139 Upper Blade Carrier 117140 Lower Blade Carrier 116800 Blade Mounting Spacer 116620 Double Edged Blade 10245 .75”...

  • Page 38: Hydraulics

    “GROUND SHARK” ROTARY CUTTER ASSEMBLY ASSEMBLY #30272-0000 DIAGRAM 3 OF 3 HYDRAULIC MOTOR WITH RELIEF VALVE #116801 12129 3-5-12 75728...
  • Page 39 “GROUND SHARK” ROTARY CUTTER ASSEMBLY ASSEMBLY #30272-0000 LIST 3 OF 3 ITEM REQ’D PART NO. DESCRIPTION 22518 Female Quick Coupler 12FBo .50” Body 84921 Female Quick Coupler 12FBo .62” Body 22520 Female Quick Coupler 12FBo .75” Body 22519 Male Quick Coupler 12FBo .50”...

  • Page 40: Hydraulic Motor Assembly

    HYDRAULIC MOTOR ASSEMBLY ASSEMBLY #116801 SERVICE PARTS 12155 3-8-12 75728...
  • Page 41 HYDRAULIC MOTOR ASSEMBLY ASSEMBLY #116801 SERVICE PARTS ITEM REQ’D PART NO. DESCRIPTION 10257 .38” UNC X 3.50” Sockethead Capscrew Control Valve 46153 Relief Cartridge Valve - 3800 PSI 46213 Replacement Seal Kit 116802* Hydraulic Motor 45898 Replacement Motor Shaft Seal 3404 O’Ring 46154...

  • Page 42: Replacement Blade Kit

    REPLACEMENT BLADE KIT 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.) 12139 3-5-12 75728...

  • Page 43: Replacement Blade Kit

    REPLACEMENT BLADE KIT ASSEMBLY #117194 ITEM REQ’D PART NO. DESCRIPTION 116620 Blade 116800 Spacer RHW8604 .75” UNC Flangehead Lock Nut - Grade 8 10245 .75” UNC X 2.75” Hex Capscrew - Grade 8 12140 3-5-12 75728...

  • Page 44: Optional Carbide Tooth Kit

    OPTIONAL CARBIDE TOOTH KIT ASSEMBLY #117193 BLADE CARRIER ASSEMBLY 12137 3-5-12 75728...

  • Page 45: Optional Carbide Tooth Kit

    OPTIONAL CARBIDE TOOTH KIT ASSEMBLY #117193 ITEM REQ’D PART NO. DESCRIPTION 10003 .62” UNF Deformed Lock Nut 19917 Threaded Carbide Tooth 12138 3-5-12 75728...

  • Page 46: Wear Plate Kit

    WEAR PLATE KIT ASSEMBLY #117192 12141 3-8-12 75728...
  • Page 47 WEAR PLATE KIT ASSEMBLY #117192 ITEM REQ’D PART NO. DESCRIPTION 117191 Skid Shoe Wear Plate 1790 .50” UNC Flangehead Lock Nut 1872 .50” UNC X 1.50” Plow Bolt 12142 3-8-12 75728...

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