Bradco BC60 Operator And Parts Manual Download Page 38

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O O

BOLT TORQUE

BOLT TORQUE SPECIFICATIONS

GENERAL TORQUE SPECIFICATION TABLE

Use the following torques when special torques are not given. These values apply to fasteners as

received from suppliers, dry, or when lubricated with normal engine oil. They do not apply if special
graphited or moly disulphide greases or other extreme pressure lubricants are used. This applies to both
UNF and UNC threads. Remember to always use grade five or better when replacing bolts.

SAE Grade No.

Bolt head identification
marks as per grade.
NOTE: Manufacturing
Marks Will Vary

TORQUE

Bolt Size

Pounds Feet

Newton-Meters

Pounds Feet

Newton-Meters

Pounds Feet

Newton-Meters

Inches Millimeters Min.

Max. Min. Max. Min. Max. Min.

Max. Min. Max. Min. Max.

1/4

6.35

5 6

6.8

8.13 9 11

12.2 14.9 12 15

16.3 30.3

5/16

7.94

10 12 13.6 16.3 17 20.5 23.1

27.8 24

29 32.5 39.3

3/8

9.53

27.1

31.2 35 42

47.5 57.0 45 54

61.0 73.2

7/16 11.11

40.7

47.4 54 64

73.2 86.8 70 84

94.9

113.9

1/2

12.70

45 52 61.0 70.5 80

96 108.5 130.2 110

132 149.2 179.0

9/16

14.29

65 75 88.1

101.6 110 132 149.2 179.0 160 192 217.0 260.4

5/8

15.88

105

128.7

142.3 150 180

203.4 244.1 220 264

298.3 358.0

3/4

19.05

150

185

203.3

250.7 270 324

366.1 439.3 380 456

515.3 618.3

7/8

22.23

160

200

216.8

271.0 400 480

542.4 650.9 600 720

813.6 976.3

25.40

250

300

338.8

406.5 580 696

786.5 943.8 900 1080

1220.4

1464.5

1-1/8

25.58

- 800

880 1084.8 1193.3 1280

1440 1735.7 1952.6

1-1/4

31.75

- 1120 1240

1518.7 1681.4 1820 2000

2467.9 2712.0

1-3/8

34.93

- 1460 1680

1979.8 2278.1 2380 2720

3227.3 3688.3

1-1/2

38.10

- 1940 2200

2630.6 2983.2 3160 3560

4285.0 4827.4

* Thick Nuts must be used with Grade 8 bolts

METRIC BOLT TORQUE SPECIFICATIONS

Coarse Thread

Fine Thread

Size of Screw

Grade No.

Ptich (mm)

Pounds Feet

Newton-Meters

Pitch (mm)

Pounds Feet

Newton-Meters

5.6

3.6-5.8

4.9-7.9

M6 8.8

1.0

5.8-9.4

7.9-12.7

10.9

7.2-10

9.8-13.6

5.6

7.2-14

9.8-19 12-17

16.3-23

8.8 1.25 17-22 23-29.8 1.0 19-27 25.7-36.6

10.9

20-26

27.1-35.2

22-31

29.8-42

5.6 20-25

27.1-33.9

20-29

27.1-39.3

M10

8.8

1.5 34-40 46.1-54.2 1.25

35-47 47.4-63.7

10.9

38-46

51.5-62.3

40-52

54.2-70.5

5.6 28-34

37.9-46.1

31-41

42-55.6

M12

8.8

1.75 51-59 69.1-79.9 1.25

56-68 75.9-92.1

10.9

57-66

77.2-89.4

62-75

84-101.6

5.6 49-56

66.4-75.9

52-64

70.5-86.7

M14 8.8 2.0

81-93

109.8-126

1.5

90-106

122-143.6

10.9

96-109

130.1-147.7

107-124

145-168

5.6 67-77

90.8-104.3

69-83

93.5-112.5

M16

8.8

2.0 116-130

157.2-176.2 1.5

120-138 162.6-187

10.9

129-145

174.8-196.5

140-158

189.7-214.1

5.6

88-100

119.2-136

100-117

136-158.5

M18 8.8 2.0

150-168

203.3-227.6

1.5

177-199

239.8-269.6

10.9

175-194

237.1-262.9

202-231

273.7-313

5.6

108-130

146.3-176.2

132-150

178.9-203.3

M20

8.8

2.5

186-205 252-277.8 1.5

206-242 279.1-327.9

10.9

213-249

288.6-337.4

246-289

333.3-391.6

3915

6-8-95-2

Summary of Contents for BC60

Page 1: ...hi IA 52223 United States of America SERIAL NUMBER ___________________ Manual Number OM636 Part Number 75536 MODEL NUMBER ___________________ Rev 7 OPERATOR S AND PARTS MANUAL BC60 BC72 BC78 ROTARY CUTTERS 8904 6 25 10 8 UNIVERSAL SKID STEER APPLICATIONS ...

Page 2: ...e hands or feet under deck while in operation or with engine running DO NOT operate without a shatterproof door or front shield installed on loader WARNING Before leaving the operator s seat Lower the lift arms against frame and place unit on the ground Disengage auxiliary hydraulics Stop Engine Engage parking brake Remove the key WARNING Operating the standard flow rotary cutter on a high flow hy...

Page 3: ...s 72 78 High Flow Cutter Assemblies High Flow Drive Assembly High Flow Hydraulic Assemblies Wheel Kit Assembly INSTALLATION INSTRUCTIONS F OPERATING INSTRUCTIONS G General Information Operating Tips Operation Troubleshooting Operating Conditions LUBRICATION H MAINTENANCE L Daily Every 40 Hours Operation Replacing Blades Replacing Hydraulic Motor Replacing Gearbox Motor Coupler Replacing Gearbox ST...

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

Page 5: ...e determined from the position of the skid steer operator sitting in the seat facing forward SAFETY ALERT SYMBOL This is the Safety Alert Symbol used by this industry This symbol is used to warn of possible injury Be sure to read all warnings carefully They are included for your safety and for the safety of others working withyou SERVICE Whenservicingyourrotarycutter remembertouseonlymanufacturer ...

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

Page 7: ... guidelines DANGER Indicates an imminently hazardous situation which if not avoided will result in death or serious injury This signal word is to be limited to the most extreme situations typically for machine compo nents which for functional purposes cannot be guarded WARNING Indicates a potentially hazardous situation which if not avoided could result in death or serious injury and includes haza...

Page 8: ...ermine how efficiently and safely the job is performed Know your equipment before you start Know its capabilities dimensions and how to oper ate all the controls Visually inspect your equipment before you start and never operate equipment that is not in proper working order BEFORE YOU START 1 Read the entire loader and rotary cutter operator s manuals before ever at tempting to use the loader This...

Page 9: ... skids are on the ground and keys removed before leaving the unit unattended 15 Test all controls before you begin 16 Do not smoke when refueling Allow room in the gas tank for expansion Wipe up any spilled fuel Secure cap tightly when done WORKING WITH THE ROTARY CUTTER 1 Never operate the unit without first reading and understanding the operator s manual 2 Never operate the rotary cutter without...

Page 10: ...e the system is under pressure Injury or deathcouldresult 3 Observe proper maintenance schedules and repairs to keep the unit in safe workingorder 4 Always wear safety goggles or glasses when working on equipment 5 Use only manufacturer recommended replacement parts Other parts may be substandard in fit and quality WARNING Escaping fluid under pressure can have sufficient force to penetrate the sk...

Page 11: ...ter temperature Power take off off Lights Tortoise slow or minimum setting Horn Hare fast or maximum setting Engine oil pressure Caution Hazard warning Control lever operating direction Axle connect Rock shaft raised Axle disconnect Rock shaft lowered Continuously variable Remote cylinder extended Increase Remote cylinder retracted Decrease Remote cylinder FLOAT Diesel fuel Differential lock Creep...

Page 12: ...with the controls and the way it handles on your machine If there is any portion of this manual or function you do not understand con tact your local authorized dealer or the manufacturer DANGER TO AVOID SERIOUS PERSONAL INJURY OR DEATH THE BRAD CO ROTARY CUTTER MUST NOT BE ATTACHED TO ANY POWER UNIT THAT DOES NOT HAVE A SHATTERPROOF DOOR OR FRONT SHIELD INSTALLED WARNING Operating the standard fl...

Page 13: ... you with the various names of these components This knowledge will be helpful when reading through this manual or when ordering service parts MOTOR COVER SHIELD REAR ACCESS COVER BLADE ACCESS COVER MOTOR BLADE ROTATION INDICATOR GEARBOX QUICK ATTACH DISCHARGE CHUTE SKID SHOE FRONT CHAIN CURTAIN NON SKID STEP SURFACE ROTARY CUTTER DECK LIFT LIMITING CHAIN BLADE STUMP JUMPER ...

Page 14: ...ROTARY CUTTER ASSEMBLY 60 72 STANDARD FLOW CUTTER ASSEMBLIES E E 8900 10 11 06 3 1 2 3 4 5 6 9 10 11 12 13 14 TORQUE TO 450 FT LBS 15 16 17 4 21 22 1 18 19 20 23 ...

Page 15: ...17348 72 Front Chain Retainer 13 47 15326 Front Chain 59 15326 Front Chain 14 2 17390 Special Nut Torque to 450 ft lbs 15 1 15324 Stump Jumper Hub 16 2 18514 Double Edged Blade 60 Rotary Cutter 17903 Optional Banana Blade 60 Rotary Cutter 2 18515 Double Edged Blade 72 Rotary Cutter 17847 Optional Banana Blade 72 Rotary Cutter 17 2 17389 Blade Mounting Bolt 18 4 2005510 38 UNC Flange Lock Nut 19 2 ...

Page 16: ...CUTTER ASSEMBLY 60 72 STANDARD FLOW CUTTER ASSEMBLIES E E 8902 10 11 06 4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 12 TORQUE TO 240 250 FT LBS 22 6 USE WITH MOTOR 106601 ONLY 25 26 27 28 ...

Page 17: ...240 250 ft lbs 19702 Replacement Input Seal 19703 Replacement Output Seal 19704 Replacement Vent 13 4 1799 38 UNC X 1 50 Sockethead Capscrew 14 3 1501 25 Lock Washer 15 3 1001 25 UNC X 50 Hex Capscrew 16 1 17844 Motor Mounting Plate 17 2 1091 50 UNC X 1 75 Hex Capscrew 18 2 1841 50 UNC Deformed Lock Nut 19 2 1646 50 Hard Flat Washer 20 2 6886 Rubber Bumper 21 4 10071 62 UNC X 2 25 Hex Capscrew Gra...

Page 18: ...10799 10 11 06 ROTARY CUTTER ASSEMBLY 72 78 HIGH FLOW CUTTER ASSEMBLIES E E 1 2 3 12 5 6 9 16 17 21 TORQUE TO 450 FT LBS 4 7 8 10 13 7 8 14 15 18 19 20 21 22 23 24 9 11 ...

Page 19: ...2 1953 38 UNC X 75 Flange Hex Capscrew 14 1 15321 Blade Access Cover 2 1953 38 UNC X 75 Flange Hex Capscrew 15 1 15329 72 Cutter 1 106299 78 Cutter 16 59 15326 Front Chain 72 Cutter 63 15326 Front Chain 78 Cutter 17 1 17348 72 Front Chain Retainer 1 106342 78 Front Chain Retainer 18 1 1514 38 Flat Washer 19 1 1611 Cotter Pin 20 2 1793 Cotter Pin 21 2 17390 Special Nut Torque to 450 ft lbs 22 1 153...

Page 20: ...10801 10 11 06 ROTARY CUTTER ASSEMBLY 72 78 HIGH FLOW DRIVE ASSEMBLY 104740 E E 4 3 5 6 7 1 2 8 14 13 15 16 10 11 9 12 18 17 19 20 TORQUE TO 240 250 FT LBS 21 22 23 24 25 ...

Page 21: ...Motor Mount 10 4 6886 Bumper 11 4 1841 50 UNC Deformed Lock Nut 12 4 1799 38 UNC X 1 50 Socket Head Capscrew 13 4 1837 38 UNC Deformed Lock Nut 14 1 22277 50 X 2 50 Roll Pin 15 1 100917 Coupler 16 1 17843 Blade Rotation Indicator 17 3 1001 25 UNC X 50 Hex Capcrew 18 3 1501 25 Lock Washer 19 1 1793 Cotter Pin 20 19701 Replacement Castle Nut 21 4 1141 75 UNC X 2 50 Hex Capscrew 22 8 1649 75 Hard Fla...

Page 22: ...10803 10 12 06 HYDRAULIC ASSEMBLY HYDRAULIC ASSEMBLIES FOR HIGH FLOW DRIVES E E 1 2 3 4 5 7 8 6 9 ...

Page 23: ...y 12FBo 2 1 22518 Female Coupler 50 Body 12FBo 3 2 37060 Hose Assembly 75 X 88 12MBo 12FJX 4 1 38151 Hose Assembly 38 X 94 6FJX 8MBo 5 1 84923 Male Coupler 38 Body 8FBo 6 1 32549 Dust Cap HYDRAULIC KIT 105782 NO REQ D PART NO DESCRIPTION 1 1 19638 Male Coupler 75 Body 12FBo 2 1 22520 Female Coupler 75 Body 12FBo 3 2 37060 Hose Assembly 75 X 88 12MBo 12FJX 4 1 38151 Hose Assembly 38 X 94 6FJX 8MBo ...

Page 24: ...MOUNTING KIT INSTALLATION WHEEL KIT ASSEMBLY 24518 10041 6 25 10 2 1 2 3 4 5 6 E E 7 8 15 9 10 11 12 13 14 15 16 ...

Page 25: ... 7 1 15511 Seal 8 1 101115 Wheel Yoke 9 1 24513 Support Arm 10 5 1092 50 UNC x 2 00 Hex Capscrew Grade 8 11 10 1516 50 Hard Flat Washer 12 1 24530 38 x 9 00 x 21 00 Plate 13 5 1841 50 UNC Locknut Grade 8 14 1 101195 Foam Filled Wheel Tire Assembly 1 6616 Replacement Zerk 15 1 10105 Wheel Shaft Nut Assembly 16 Varies 6562 Spring Washer MOUNTING KIT INSTALLATION WHEEL KIT ASSEMBLY 24518 10042 6 25 1...

Page 26: ...s required to protect the operator from possible thrown objects 1 Remove the shipping banding from around the rotary cutter and skid 2 Remove any attachments from the front of the loader 3 Followingallstandardsafetypracticesandtheinstructionsforinstallinganattachment in your skid steer operator s manual install the rotary cutter onto your skid steer NOTE It is important to make sure the locking me...

Page 27: ...may be reversed at the motor end Continuous rotation of the blades is required during operation to prevent overheating of the hydraulic system The rotary cutter is equipped with a blade rotation indicator disk to assist in monitoring blade rotation If the rotary cutter stalls disengage auxiliary hydraulics and remove cutter from debris before restarting Engage and disengage the hydraulic system wi...

Page 28: ...ld so the operator can see the blade rotation indicator disk This disk should always be rotating during operation to prevent a drop in hydraulic pressure or overheating of the hydraulic system CUTTING LARGE BRUSH UP TO 3 4 IN DIAMETER When cutting large brush roll the front of the rotary cutter up 1 2 feet DO NOT LIFT THE BACK OF THE CUTTER Slowly drive into the tree and use the hydraulic tilt fun...

Page 29: ...cutter is stalling check sharpness of the blades see Maintenance Section L and cut using the procedure described earlier in this section for Cutting Large Brush BRUSH TOO THICK OR HEAVY If cutting heavy or thick brush you may need to slow travel speed or make smaller passes less than full cut to prevent overloading If the blades seem to be unable to handle the volume of brush slow down the travel ...

Page 30: ...box should be checked once a week Fill as necessary with 80 90 weight gear lubricant TO CHECK Remove pipe plug from end of gearbox Lubricant should be at the same level as the plug TO ADD Remove pipe plug from end of gearbox Remove filler plug from top end of gearbox and add 80 90 weight gear lubricant up to the same level as the pipe plug Replace pipe plug and filler plug IMPORTANT DO NOT OVERFIL...

Page 31: ...ary See Section O Check hydraulic system for hydraulic oil leaks Check gearbox power shaft for foreign material wrapped around the shaft and re move ifnecessary Check blades for damage and replace or sharpen as needed Check all safety guards and ensure that all devices are installed correctly Check for missing or illegible Safety Warning Decals WARNING Escaping fluid under pressure can have suffic...

Page 32: ...re leaving the operator s seat If unit must be left raised for maintenance block the unit securely to prevent accidental release of the lifting mechanism Disconnect the hydraulic couplers 2 Position one of the blades under the access panel and remove the cotter pin and special nut You can now remove the blade mounting bolt and the blade 3 Repeat step 2 for the remaining blade Installing Blades 1 W...

Page 33: ...tall the new motor onto the mounting plate s using the existing hardware 5 Slide the motor with the mounting plate s into the coupler and retighten the sockethead capscrews Torque all hardware to specification See Section O 6 Re connect the hydraulic hoses and fittings to the new motor WARNING Avoid serious injury Lower the rotary cutter to the ground set the parking brake stop the skid steer engi...

Page 34: ... roll pin and the blade rotation indicator using the existinghardware 4 Reinstallthemotorintothecoupler and retighten the sockethead cap screws Torque to specification See Section O COUPLER ROLL PIN SOCKETHEAD CAPSCREWS GEARBOX BLADE ROTATION INDICATOR 25 UNC X 50 CAPSCREWS HYDRAULIC MOTOR WARNING Avoid serious injury Lower the rotary cutter to the ground set the parking brake stop the skid steer ...

Page 35: ...reinstall the castle nut Torque nut to 230 ft lbs Continue to tighten until the next nut castellation aligns with cross pin hole in the output shaft Final torque range must be between 240 250 lt lbs Reinstall cotter pin 7 Install the blade rotation indicator onto the gearbox followed by the cou pler motor assembly 8 Reinstall the 25 capscrews securing the blade rotation indicator to the coupler re...

Page 36: ...ed and make the necessary repairs to avoid delays when starting next season NOTE Purchase only approved replacement parts from your authorized BRADCO dealer 4 Tighten all loose nuts capscrews and hydraulic connections 5 Check the gear box for proper lubricant level 6 Connect the hydraulic couplers together to protect the hydraulic system from contaminates 7 Touch up all unpainted and exposed areas...

Page 37: ...msystem Replace damaged hose Removeobstructionand replace if necessary Tighten or replace fittings Replace pin Call Bradco service depart mentforinstructions PROBLEM Excessive vibration POSSIBLE CAUSE Dull broken or damaged blades Bent gearbox shaft Stump Jumper out of balance POSSIBLE REMEDY Sharpen or replace Call Bradco service depart mentforinstructions Call Bradco service depart mentforinstru...

Page 38: ...813 6 976 3 1 25 40 250 300 338 8 406 5 580 696 786 5 943 8 900 1080 1220 4 1464 5 1 1 8 25 58 800 880 1084 8 1193 3 1280 1440 1735 7 1952 6 1 1 4 31 75 1120 1240 1518 7 1681 4 1820 2000 2467 9 2712 0 1 3 8 34 93 1460 1680 1979 8 2278 1 2380 2720 3227 3 3688 3 1 1 2 38 10 1940 2200 2630 6 2983 2 3160 3560 4285 0 4827 4 Thick Nuts must be used with Grade 8 bolts METRIC BOLT TORQUE SPECIFICATIONS Co...

Page 39: ... 00 E Minimum Cutting Height 2 00 2 00 2 00 2 00 2 00 2 00 Skid Shoes on Ground Cutting Capacity Max Cutting Diameter 4 00 4 00 4 00 4 00 4 00 Deck Thickness 1 4 Steel 1 4 Steel 1 4 Steel 1 4 Steel 1 4 Steel Recommended GPM 15 20 18 22 25 30 32 40 32 40 Required Skid Steer Lift Capacity 1300 1700 1300 1700 1800 Weight 1230 1610 1230 1610 1666 SPECIFICATIONS FOR BC60 WITH SPECIAL MOTOR 106601 ONLY ...

Page 40: ...all safety signs clean and legible Replace all missing illegible or damaged safety signs When replacing parts with safety signs attached the safety signs must also be replaced unless otherwise noted REPLACING SAFETY SIGNS Clean the area of application with nonflammable solvent then wash the same area with soap and water Allow the surface to fully dry Remove the backing from the safety sign exposin...

Page 41: ...2 DANGER 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 LIMITING CHAIN PART 40679 ...

Page 42: ... LOGO PART 40092 BRADCO LOGO VERTICAL PART 40179 BLADE ROTATION INDICATOR PART 40676 MADE IN USA PART 4338 BC72 MODEL NUMBER PART 40803 CAUTION DO NOT OPERATE PART 40590 ROTATION INDICATOR PART 40749 BC60 BC60 MODEL NUMBER PART 40804 BC72 DANGER STAND CLEAR PART 4105 BC78 BC78 MODEL NUMBER PART 40937 ...

Page 43: ...ng parts Check for any other irregularities 2 ______ Check and lubricate if necessary See Lubrication Section H 3 ______ Check bolts for tightness Retighten after the first four working hours and after every eight working hour intervals thereafter See Bolt Torque Section O 4 ______ Check all hydraulic connections for leaks and all hoses for proper positioning to reduce pinching chafing and binding...

Page 44: ...THIS PAGE IS INTENTIONALLY BLANK ...

Page 45: ...ption 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 the warranty must be submitted to Paladin Light Construction in writing within thirty 30 days from the date of repair c Return of Defective Part or Product If requested by Paladin Light Construct...

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