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2010 

540 RPM 

ST-8410 

OPERATIOR’S MANUAL AND PARTS BOOK 

7 FOOT ROTARY CUTTERS 

Summary of Contents for ST-8410

Page 1: ...2010 540 RPM ST 8410 OPERATIOR S MANUAL AND PARTS BOOK 7 FOOT ROTARY CUTTERS ...

Page 2: ...e Failure to do so could result in personal injury or even death to you or passersby Consult your Bush Whacker dealership if you do not understand the instructions in this manual or need additional information Hall Manufacturing Inc reserves the right to make changes at any time without notice or obligation Additional copies of the manuals are available from your lo cal Bush Whacker dealer Hall Ma...

Page 3: ...Attaching Detaching Cutter 8 Rollover 8 9 Rotating Blades 9 Hydraulics 10 Maintenance 11 15 General Maintenance 11 At Least Twice Daily 11 12 Daily 12 13 Every 1 000 Hours or Annually 13 Gearbox Disassembly and Assembly 14 15 Parts book 17 50 Lift Type 18 30 Pull Type 31 48 Miscellaneous 49 50 Warranty Information 51 52 Warranty Registration Card 53 ...

Page 4: ... TO THE OPERATOR BYSTANDERS PASSERSBY OR ANIMALS IN THE AREA General Safety Instructions and Warnings Safety Decals Information Always keep the area around safety decals clean and free of debris so that they can be easily seen and read When installing new components to the equipment it is necessary to obtain new safety de cals from your Bush Whacker dealer and adhere them promptly and properly Alw...

Page 5: ...5 2010 ST 8410 Decals Part Numbers and Placement ...

Page 6: ...derneath the mower at very high speeds resulting in property damage injury or even death Always inspect the mowing area prior to the operation of any rotary mower If any of these objects or similar objects are found remove them immediately before operation NEVER operate the mower without the driveline safety shields in place and in proper working order Operation without safety shields can lead to ...

Page 7: ...securely supported in the raised position Inadequate support can result in the mower falling which could result in seri ous injury or death Use proper signage around working area This will help the operator have a safe place to work and help passers by to take appropriate precautions Use the proper reflective devices on the equipment to help prevent accidents Make sure that all rules of the road a...

Page 8: ...ctor and mower have completely stopped The rotating parts of the tractor and rotary may mower continue to rotate after the PTO has been disengaged THE OPERATOR SHOULD REMAIN SEATED UNTIL ALL MOVEMENT HAS CEASED Never use equipment around railroad tracks without direct railway supervision Inexperience in railway operations may cause loss of communications loss of signals rail and tie damage or dera...

Page 9: ...e blades until all motion has stopped and ma chine is turned off Never operate equipment with loose blades Retighten after the first 8 hours of use and after blade replacement Never allow rotating blades to contact solid objects like rocks posts curbs or guard rails Only operate if all guards and deflectors are in place and in good working condition Rotating Blades Never operate with mower deck ra...

Page 10: ...ded Stop all leaks Repair or replace hoses as indicated to prevent unexpected failure and possible serious injury to operator or bystander Boiling oil may spray onto hot tractor parts and catch fire causing severe burn injury or death Safety Conclusion Now that the operator has read the information provided in this manual he or she should now be aware of how dangerous a rotary mower can be if oper...

Page 11: ...Failure to do so could result in serious injury or possibly even death Use marfac double ought grease or cotton picker spindle grease to lubricate all Bush Whacker gearboxes Replacement gearbox grease is available from your Bush Whacker dealership Always use genuine Bush Whacker replacement parts available through the network of authorized dealers The use of non OEM parts will void the warranty of...

Page 12: ...ently than normal at least four times a day Always use genuine Bush Whacker replacement blades bolts and nuts Other blades may not meet Hall Manufacturing specifications and could lead to serious injury or death Hydraulics If at any time the hoses become frayed worn or pinched replace them Daily Shields Make sure ALL shields are in place and tightened before operating the mower If one works loose ...

Page 13: ...amage replace if required Frame Look for any structural cracks damage and wear Keep the equipment clean Inspect for debris caught in the machine especially at all pinch points Wheel Hubs Grease wheel hubs at zerk fitting once a day before operating the mower Check seals for leakage Replace seals if a leak is detected Also check bearings for damage If they have seized they are damaged replace them ...

Page 14: ... the top of the gearbox housing Seal retaining ring and race may be removed from the front of the gearbox if necessary It is very impor tant to make note of the location of the shims used when removing the input shaft 6 Remove the cotter pin and retaining nut from the output shaft The output gear will slide off of the output shaft Remove any shims that may be present 7 Remove seal protector from o...

Page 15: ...e sure to replace any shims that were removed during disassembly Press race partway into the back of the gearbox housing Install the cap on the back of the housing using the appropriate gasket and tighten the bolts to 38 ft lb 7 Check contact pattern of gear set with marking compound Contact is to be in the central toe area of the gear teeth with a minimum 50 tooth height and 50 tooth length in co...

Page 16: ... offset adapter with the mower disengaged from the tractor and firmly on the ground This will prevent the machine from becoming unstable and falling onto the operator Failure to do so might cause serious injury or death to the operator 1 Attach Part D leaving the fasteners slightly loose Note Part D also includes the top link clevis 2 Loosen Part A and slide Part A D to the desired offset Position...

Page 17: ...17 2010 ST 8410 Partsbook ...

Page 18: ...e Number 1 Front Chain Guard 28 2 Hitch Frame Assembly 19 3 Gear Box Shields 27 4 Gearbox 20 5 Access Cover 50 6 Tail A Frame 25 7 Tail Wheel Fork Wheel Assembly 26 8 Rear Chain Guard 28 ST 8410 Lift Type Assembly Breakdown 1 2 3 4 5 6 7 8 ...

Page 19: ...h Frame 1 2 C222 Hitch Pin 2 3 3373 Bolt 2 4 3374 Nut 2 5 3284 Bolt 1 6 3285 Washer 1 7 2077 Nut 1 8 3287 Category I Clevis 1 9 5527 Left Brace 1 10 5526 Right Brace 1 11 2336 Nut 4 12 2337 Washer 4 13 2335 Bolt 4 4860 Category II Clevis 1 Hitch Frame Assembly ...

Page 20: ...20 2010 ST 8410 5548 Gear Box See Maintenance Section for Required Lubrication ...

Page 21: ...223 GASKET 1 AR 15 5224 GASKET 1 AR 16 5225 GASKET AR 17 5226 SHIM AR 18 5227 SHIM AR 19 5228 SHIM 1 AR 20 5229 SHIM 1 AR 21 5230 SHIM 1 AR 22 5231 SHIM 1 AR 23 5232 SHIM 1 AR 24 5233 SHIM 1 AR 25 5234 SHIM 1 AR 26 5235 SHIM 1 AR 27 5236 SPACER 1 28 5237 COTTER PIN 1 29 5238 COTTER PIN 1 30 5239 BOLT 8 31 5240 BOLT 4 32 5241 NUT 1 33 5242 NUT 1 34 5243 LOCK WASHER 8 35 5244 LOCK WASHER 4 36 5245 D...

Page 22: ...22 2010 ST 8410 4038 Complete Drive Shaft for Lift Type ...

Page 23: ...plete Clutch Assembly 1 12 3927 Outer Shield Ring 1 13 5085 Shield Bell 2 14 3928 Shield Screw 6 15 5086 Outer Shield Tube 1 16 5087 Inner Shield Tube 1 17 5088 Shield Safety Chain 2 18 3932 Inner Shield Ring 1 21 5089 Complete Shield Assembly 1 22 5091 Outer Half Shaft Complete 1 23 5092 Inner Half Shaft Complete 1 24 3940 Slide Collar Kit 1 25 4098 Bolt with Nut 8 26 4018 Flange Yoke 1 27 3962 B...

Page 24: ...t No Description Qty Remarks 1 5425 Blade Bar Only 1 1A 5392 Blade Bar with Stump Jumper 1 2 3257 Blade 2 3 3095 Bolt 2 4 2106 Washer 2 5 2105 Nut 2 7 5242 Output Shaft Nut 1 8 5237 Cotter Pin 1 9 3096 Washer 2 Only needed when using Stump Jumper ...

Page 25: ... 8410 Tail Wheel A Frame Assembly Ref No Part No Description Qty 1 4384 Tail A Frame 1 2 3297 Bolt 2 3 2337 Washer 2 4 2336 Nut 2 5 4458 Bolt 1 6 4378 Bolt 1 7 3148 Nut 2 8 5598 Adjusting Strap 1 9 3718 Washer 2 ...

Page 26: ...nly 2 piece 1 4 3180 Tire and Wheel less Hub 1 5 3181 Bolt 5 6 3182 Nut 5 7 3183 Bolt 5 8 3184 Nut 5 9 3185 Spacer 1 10 3186 Seal 2 11 3187 Bearing Cone 2 12 3188 Bearing Cup 2 13 3189 Hub with Races and Studs 1 14 3190 Hub Complete with Bearings and Seals REF 15 3191 Spacer 1 16 3192 Axle Bolt 1 17 3230 Washer 2 18 2513 Nut 1 19 4159 Bolt 1 10 11 12 4884 Bearing kit 1 ...

Page 27: ... 2010 ST 8410 Gearbox Shield and Manual Holder Ref No Part No Description Qty 1 4463 Manual Holder 1 2 4432 Self Tapping Screw 2 3 5173 Gearbox Shield 1 4 5255 Washer 4 5 5244 Lock Washer 4 6 2693 Bolt 4 ...

Page 28: ... PLATE 2 ROD 3 3583 CHAIN SINGLE ROW Not Shown 3588 CHAIN DOUBLE ROW 4 3585 CLAMP 5 2335 BOLT 6 2337 WASHER 7 2336 NUT ASSEMBLY PART NUMBERS QUANTITIES Ref PN PLATE ROD CHAIN CLAMP BOLT WASHER NUT A 5591 5523 5533 69 2 8 8 8 B 5592 5525 5535 15 1 2 2 2 C 5593 5524 5534 33 1 3 3 3 ...

Page 29: ...29 2010 ST 8410 Skid Shoe Assembly Ref No Part No Description Qty 1 5386 Skid Shoe 2 2 2335 Bolt 4 3 2337 Washer 8 4 2336 Nut 4 ...

Page 30: ...30 2010 ST 8410 ...

Page 31: ...31 2010 ST 8410 Optional Equipment and Other Items not Illustrated ...

Page 32: ...d 28 2 Tongue Assembly 33 35 3 Pillow Block Bearing Assembly 48 4 Jack Shaft 7210 Only 38 5 Cylinder 44 6 Center Pivot Assembly 46 7 Axle Arm Assembly 42 8 Tire Wheels 50 9 Rear Chain Guard 28 10 Level Rod 45 ST 8410 Pull Type Assembly Breakdown 1 2 3 4 5 6 7 8 9 10 ...

Page 33: ... 2010 ST 8410 Ref No Part No Description Qty 1 4388 Regular Tongue with Fixed Clevis 1 2 3374 Nut 2 3 3373 Bolt 2 4 2968 Bolt 1 5 2969 Jack 1 6 3381 Clevis 1 7 2638 Nut 1 Regular Tongue with Fixed Clevis ...

Page 34: ...vel Clevis Ref No Part No Description Qty 1 4408 Swivel Tongue Only 1 2 3374 Nut 2 3 3373 Bolt 2 4 2077 Nut 1 5 3285 Washer 1 6 2969 Jack 1 7 2624 Bolt 1 8 3381 Clevis 1 9 2638 Nut 1 10 3873 Swivel Only 1 11 2076 Bolt 1 12 5639 Swivel screw 1 ...

Page 35: ...35 2010 ST 8410 Ref No Part No Description Qty 1 4407 Tongue Assembly with Bulldog Hitch 1 2 3374 Nut 2 3 3373 Bolt 2 4 2969 Jack 1 Tongue Assembly with Bulldog Hitch ...

Page 36: ...36 2010 ST 8410 5450 Main Drive Shaft ...

Page 37: ...l 1 9 4145 Inner Roll Pin 1 10 3923 Inner Tube Yoke 1 11 3924 Quick Disconnect Yoke 1 12 3925 QD Pin Kit 1 13 3926 Shield Bell 2 14 3927 Outer Shield Ring 1 15 3928 Shield Screw 6 16 5468 Outer Shield Tube 1 17 5470 Inner Shield Tube 1 18 3931 Shield Safety Chain 2 19 3932 Inner Shield Ring 1 20 5469 Outer Half Shield Complete 1 21 5471 Inner Half Shield Complete 1 22 5472 Complete Shield Assembly...

Page 38: ...38 2010 ST 8410 5009 Jackshaft For Pull Type ...

Page 39: ...Screw 6 10 3932 Inner Shield Ring 1 11 5012 Outer Shield Tube 1 12 5013 Inner Shield Tube 1 13 4110 Outer Half Shield 1 14 4111 Inner Half Shield 1 15 5014 Complete Shield Assembly 1 16 5015 Clutch Half Shaft with Shield 1 17 5016 Stub Half Shaft with Shield 1 18 3969 Spring 1 19 3968 Outer Plate 1 20 3963 Clutch Disk 4 21 3967 Bolt w Nut 1 22 3966 Splined Hub 1 23 3965 Inner Plate 1 24 3964 Clutc...

Page 40: ...40 2010 ST 8410 5452 C V Drive Shaft 2 3 24 15 12 9 6 25 26 1 21 5 13 27 4 13 20 19 14 17 22 16 18 23 8 7 10 11 11 1 ...

Page 41: ...Pin 1 10 3923 Tube Yoke Inner 1 11 4945 Yoke 1 3 4 z20 1 12 4926 Cross Kit 1 13 3928 Shield Screw 12 14 4946 Shield Cone 1 15 4927 Shield Support 1 16 4909 Shield Support Inner 1 17 4904 Shield Support Outer 1 18 4947 Safety Shield 1 19 5483 Outer Shield Tube 1 20 5485 Inner Shield Tube 1 21 3931 Shield Safety Chain 2 22 5487 Complete Shield Assembly 1 23 5481 CV Half Shaft Complete 1 24 5482 Inne...

Page 42: ...42 2010 ST 8410 Axle Arm Assembly Ref No Part No Description Qty 1 3563 Axle Arm left same as right 1 2 2335 Bolt 4 3 2336 Nut 4 4 3564 Spindle 1 ...

Page 43: ...ub Assembly REF Includes item 2 5 9 10 1 2449 Hub with Cups and Studs only 1 2 2450 Inner Race 1 3 2451 Inner Bearing 1 4 2452 Outer Race 1 5 2453 Outer Bearing 1 6 3359 Spindle Washer 1 7 3372 Spindle Nut 1 8 2456 Dust Cap 1 9 2457 Seal 1 10 2458 Stud Bolt with Nut 5 11 3360 Cotter Pin 1 ...

Page 44: ... No Part No Description Qty 1 2330 Pin 2 2 3270 Clip Pin 4 3 3152 Rod w Lock Nut 1 4 3157 Barrel Assembly 1 5 3158 Piston 1 6 3159 Gland 1 7 3165 Breather Plug 1 8 3330 Restrictor 1 REF 3166 Seal Kit 1 REF 3167 Stroke Control Segment Kit AR ...

Page 45: ...45 2010 ST 8410 Level Rod Assembly Ref No Part No Description Qty 1 5529 Front Level Rod 1 2 2322 Nut 1 3 2321 Turnbuckle 1 4 3066 Rear Level Rod 1 5 2315 Pin 2 6 2313 Clip Pin 4 ...

Page 46: ...6 2010 ST 8410 Pivot Assembly Ref No Part No Description Qty 1 4389 Pivot Assembly 1 2 3389 Bolt 2 3 2638 Nut 2 4 3399 Pivot Mounting Bracket 4 5 4550 Bolt 4 6 3259 Washer 2 7 2337 Washer 4 8 2336 Nut 4 ...

Page 47: ...47 2010 ST 8410 Cylinder Adjusting Block Ref No Part No Description Qty 1 2340 Bolt 4 2 3396 Cylinder Block Adjusting Bracket 2 3 2342 Washer 4 4 5395 Cylinder Mounting Block 1 5 2341 Nut 4 ...

Page 48: ...DUAL TAIL WHEEL PIVOT 1 2 3176 TAIL WHEEL ASSEMBLY 2 3 3399 PIVOT MOUNTING BRACKET 4 4 3389 BOLT 2 5 2638 NUT 2 6 2106 WASHER 4 7 4550 BOLT 4 8 2336 NUT 4 9 2337 WASHER 8 1 2 3 4 5 6 7 9 8 SEE PAGE 26 FOR TAIL WHEEL PARTS Dual Tail Wheel Pivot Assembly 9 6 ...

Page 49: ... 5442 PIVOT ADJUSTING ROD 1 2 2321 TURNBUCKLE 1 3 5440 DECK ADJUSTING ROD 1 4 5441 DECK MOUNT 1 5 2322 JAM NUT 1 6 2315 PIN 2 7 2313 COTTER PIN 4 8 2335 BOLT 4 9 2336 NUT 4 10 2337 WASHER 4 1 2 3 4 5 6 7 8 6 7 9 10 Dual Tail Wheel Adjustment Assembly ...

Page 50: ...ring Stand 1 2 2335 Bolt 4 3 2336 Nut 4 4 5125 Bolt 4 5 3415 Washer 4 6 2513 Nut 4 7 3659 Bolt 2 8 2337 Washer 4 9 2336 Nut 2 10 3565 Pillow Block 1 11 3392 Shield 1 12 2513 Nut 2 13 3394 Hose Holder 1 14 3393 Washer 2 15 2512 Bolt 2 Pillow Block Bearing Mounting Assembly ...

Page 51: ...sher 1 5 3286 Nut 1 6 2768 Adjustable Lift Guide 2 7 2765 Hitch Pin 2 8 2336 Nut 12 9 3688 Adjustable Three Point Mount 1 10 2337 Washer 12 11 2772 Bolt 12 12 3287 Category I Clevis 1 13 4391 Left Brace 1 14 3148 Nut 4 15 3297 Bolt 4 16 3718 Washer 4 17 4392 Right Brace 1 18 3284 Bolt 1 19 C222 Hitch Pin 2 4860 Category II Clevis 1 ...

Page 52: ...F 2489 Rim for 2490 Tire REF 2490 26 Aircraft Type Tire Assembly REF 2622 Foam Filled Tire Implement REF 3275 26 Aircraft Tire Only REF 3276 Tube for 26 Aircraft Tire REF 3516 Foam Filled Aircraft Tire Assembly REF 3083 Access Cover 1 Items not Illustrated For Pull Type Only ...

Page 53: ... if the equipment shall have been operated subsequent to its involvement in an accident or breakdown unless the Owner furnishes reasonable evidence that such repair alteration modification or operation subsequent to its involvement in an accident or breakdown was not a cause of the defect The Owner does not return at Owner expense the defective accessory equipment component or machine to or notify...

Page 54: ...TY CLAIMS PROCEDURE Warranty claims must be delivered to Hall Manufacturing within thirty 30 days after the warranty service work was performed Hall Manufacturing will approved or deny claim within thirty 30 days of receiving a claim Hall Manufacturing will issue credit for all genuine Bush Whacker parts or components as well as all approved Dealership employee labor time at a rate of 30 00 per ho...

Page 55: ...urchaser _____________________________ Address __________________ City_____________________ State ________ Product ___________________ Model ___________ Serial _____________ Dealer Address City State Signature of Original Buyer Signature of Dealer or Dealer s Agent Please include a copy of the original bill of sale ...

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Page 57: ...57 2010 ST 8410 Notes ...

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