Bush-whacker ST-8410 Manual
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Bush-whacker ST-8410 Manual

7 foot rotary cutters
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ST-8410
2010
540 RPM
OPERATIOR'S MANUAL AND PARTS BOOK
7 FOOT ROTARY CUTTERS

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Summary of Contents for Bush-whacker ST-8410

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

  • Page 2: Introductory Page

    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.

  • Page 3: Table Of Contents

    Operations…………………………………………………………………….6-7 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 2010 ST-8410...

  • Page 4: Safety Section

    Always keep safety decals clean, using soap and water. Do not use abrasive cleaners be- cause they could cause damage to the decals. If the safety decals get damaged, or are missing, contact your local Bush-Whacker dealer to order replacements for them.

  • Page 5: Decals Placement

    Decals Part Numbers and Placement 2010 ST-8410...

  • Page 6: Operations

    EXTREMELY IMPORTANT—Make sure all gearbox shields are in place and tightened be- fore operating the mower. If one works loose, stop mowing and tighten immediately. NEVER OPERATE THE MOWER WITHOUT ALL GEARBOX SHIELDS PROPERLY IN- STALLED. OPERATION WITHOUT SAFETY SHIELDS MAY CAUSE SERIOUS IN- JURY OR DEATH. 2010 ST-8410...
  • Page 7 Remove or avoid all foreign objects such as wire, cable, metal objects, and all other foreign material. Failure to do so could result in serious injury to the operator or passerby from foreign material being thrown from the mower. 2010 ST-8410...

  • Page 8: Attaching/Detaching Cutter

    Rollover Care must be taken when operating on uneven terrain, ditches, or em- bankments. The chances of the tractor and/or mower rolling over are in- creased. Also, the chance of objects being thrown by the blade are in- 2010 ST-8410...

  • Page 9: Rotating Blades

    Stop cutting if someone comes within 300 feet. DO NOT operate equipment with bystanders in the area! Rotary mowers have the ability to throw debris considerable distances when blades are allowed to strike foreign objects. Operator must exercise caution or serious injury or even death could result. 2010 ST-8410...

  • Page 10: Hydraulics

    Safety Depends on You! 2010 ST-8410...

  • Page 11: Maintenance

    The blades are very sharp and can pivot. Use extreme caution when performing maintenance on them. 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.

  • Page 12: Daily

    When operating in these conditions, the operator must check the blade bolts more frequently 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.

  • Page 13: Every 1,000 Hours Or Annually

    Check gear lube. If the grease is lower than the inspection plug on the rear side of the gearbox, then fill to the level of the plug. NOTE: Do not overfill the gearbox. If the grease level of the gearbox is low, additional grease can be purchased from your Bush-Whacker dealer.

  • Page 14: Gearbox Disassembly And Assembly

    The upper bearing will be pressed off the end of the shaft. 9. If any of the bearing races in the housing need to be removed, a blind hole bearing puller should be used. 10. See page 20-21 for parts breakdown. 2010 ST-8410...
  • Page 15 10. Replace the inspection cover on the top of the gearbox and torque the bolts to 20 ft-lbs. 11. Fill the gear box with the recommended lubricant in an upright position similar to the mounting position. Fill the gearbox to the level plug. 2010 ST-8410...
  • Page 16 2. Loosen Part A and slide Part A&D to the desired offset Position (up to 12”) and tighten them securely into place. 3. Attach the mower to the tractor as stated in Part I except now the operator must attach the top link to Part D. 2010 ST-8410...

  • Page 17: Partsbook

    Partsbook 2010 ST-8410...

  • Page 18: Lift Type

    ST-8410 Lift Type Assembly Breakdown Ref. No. Description Page Number Front Chain Guard Hitch Frame Assembly Gear Box Shields Gearbox Access Cover Tail “A” Frame Tail Wheel Fork & Wheel Assembly Rear Chain Guard 2010 ST-8410...
  • Page 19 Ref. No. Part No. Description 4379 Hitch Frame C222 Hitch Pin 3373 Bolt 3374 3284 Bolt 3285 Washer 2077 3287 Category I Clevis 4860 Category II Clevis 5527 Left Brace 5526 Right Brace 2336 2337 Washer 2335 Bolt 2010 ST-8410...
  • Page 20 5548 Gear Box (See Maintenance Section for Required Lubrication) 2010 ST-8410...
  • Page 21 5238 COTTER PIN 5239 BOLT 5240 BOLT 5241 5242 5243 LOCK WASHER 5244 LOCK WASHER 5245 DRAIN PLUG 5246 FILL PLUG 2719 RETAINING RING 5249 RETAINING RING 5250 RETAINING RING 5251 INSPECTION COVER 5252 SEAL PROTECTOR 560.3 PINION 2010 ST-8410...
  • Page 22 4038 Complete Drive Shaft for Lift Type 2010 ST-8410...
  • Page 23 Inner Half Shaft Complete 3940 Slide Collar Kit 4098 Bolt with Nut 4018 Flange Yoke 3962 Bushing 3963 Clutch Disk 3964 Clutch Plate 3965 Inner Plate 3966 Splined Hub 3967 Bolt with Nut 3968 Outer Plate 5090 Spring 2010 ST-8410...
  • Page 24 Ref. No. Part No. Description Remarks 5425 Blade Bar Only 5392 Blade Bar with Stump Jumper 3257 Blade 3095 Bolt 2106 Washer 2105 5242 Output Shaft Nut 5237 Cotter Pin 3096 Washer Only needed when using Stump Jumper 2010 ST-8410...
  • Page 25 Tail Wheel “A” Frame Assembly Ref. No. Part No. Description 4384 Tail “A” Frame 3297 Bolt 2337 Washer 2336 4458 Bolt 4378 Bolt 3148 5598 Adjusting Strap 3718 Washer 2010 ST-8410...
  • Page 26 3185 Spacer 3186 Seal 3187 Bearing Cone 3188 Bearing Cup 3189 Hub with Races and Studs 3190 Hub Complete with Bearings and Seals 3191 Spacer 3192 Axle Bolt 3230 Washer 2513 4159 Bolt 10,11, 12 4884 Bearing kit 2010 ST-8410...
  • Page 27 Gearbox Shield and Manual Holder Ref. No. Part No. Description 4463 Manual Holder 4432 Self Tapping Screw 5173 Gearbox Shield 5255 Washer 5244 Lock Washer 2693 Bolt 2010 ST-8410...
  • Page 28 Description CHAIN GUARD PLATE 3583 CHAIN—SINGLE ROW Not Shown 3588 CHAIN—DOUBLE ROW 3585 CLAMP 2335 BOLT 2337 WASHER 2336 ASSEMBLY PART NUMBERS QUANTITIES Ref. PLATE CHAIN CLAMP BOLT WASHER 5591 5523 5533 5592 5525 5535 5593 5524 5534 2010 ST-8410...
  • Page 29 Skid Shoe Assembly Ref. No. Part No. Description 5386 Skid Shoe 2335 Bolt 2337 Washer 2336 2010 ST-8410...
  • Page 30 2010 ST-8410...
  • Page 31 Optional Equipment Other Items not Illustrated 2010 ST-8410...

  • Page 32: Pull Type

    ST-8410 Pull Type Assembly Breakdown Ref. No. Description Page Number Front Chain Guard Tongue Assembly 33-35 Pillow Block Bearing Assembly Jack Shaft (7210 Only) Cylinder Center Pivot Assembly Axle Arm Assembly Tire & Wheels Rear Chain Guard Level Rod 2010 ST-8410...

  • Page 33: 3373 Bolt

    Regular Tongue with Fixed Clevis Ref. No. Part No. Description 4388 Regular Tongue with Fixed Clevis 3374 3373 Bolt 2968 Bolt 2969 Jack 3381 Clevis 2638 2010 ST-8410...

  • Page 34: 3285 Washer

    Tongue Assembly with Swivel Clevis Ref. No. Part No. Description 4408 Swivel Tongue Only 3374 3373 Bolt 2077 3285 Washer 2969 Jack 2624 Bolt 3381 Clevis 2638 3873 Swivel Only 2076 Bolt 5639 Swivel screw 2010 ST-8410...
  • Page 35 Tongue Assembly with Bulldog Hitch Ref. No. Part No. Description 4407 Tongue Assembly with Bulldog Hitch 3374 3373 Bolt 2969 Jack 2010 ST-8410...
  • Page 36 5450 Main Drive Shaft 2010 ST-8410...
  • Page 37 Outer Shield Tube 5470 Inner Shield Tube 3931 Shield Safety Chain 3932 Inner Shield Ring 5469 Outer Half Shield Complete 5471 Inner Half Shield Complete 5472 Complete Shield Assembly 5466 Outer Half Shaft Complete 5467 Inner Half Shaft Complete 2010 ST-8410...
  • Page 38 5009 Jackshaft For Pull Type 2010 ST-8410...
  • Page 39 Clutch Half Shaft with Shield 5016 Stub Half Shaft with Shield 3969 Spring 3968 Outer Plate 3963 Clutch Disk 3967 Bolt w/Nut 3966 Splined Hub 3965 Inner Plate 3964 Clutch Plate 3962 Bushing 4018 Flange Yoke 4098 Bolt w/Nut 4138 Shield Chain 2010 ST-8410...
  • Page 40 5452 C.V. Drive Shaft 2010 ST-8410...
  • Page 41 Safety Shield 5483 Outer Shield Tube 5485 Inner Shield Tube 3931 Shield Safety Chain 5487 Complete Shield Assembly 5481 CV Half Shaft Complete 5482 Inner Half Shaft Complete 4934 Ball Collar Kit 4950 Taper Pin Kit 4938 Washer M5 2010 ST-8410...
  • Page 42 Axle Arm Assembly Ref. No. Part No. Description 3563 Axle Arm (left same as right) 2335 Bolt 2336 3564 Spindle 2010 ST-8410...
  • Page 43 2449 Hub with Cups and Studs only 2450 Inner Race 2451 Inner Bearing 2452 Outer Race 2453 Outer Bearing 3359 Spindle Washer 3372 Spindle Nut 2456 Dust Cap 2457 Seal 2458 Stud Bolt with Nut 3360 Cotter Pin 2010 ST-8410...
  • Page 44 3387 Lift Cylinder Ref. No. Part No. Description 2330 3270 Clip Pin 3152 Rod w/Lock Nut 3157 Barrel Assembly 3158 Piston 3159 Gland 3165 Breather Plug 3330 Restrictor 3166 Seal Kit 3167 Stroke Control Segment Kit 2010 ST-8410...
  • Page 45 Level Rod Assembly Ref. No. Part No. Description 5529 Front Level Rod 2322 2321 Turnbuckle 3066 Rear Level Rod 2315 2313 Clip Pin 2010 ST-8410...
  • Page 46 Pivot Assembly Ref. No. Part No. Description 4389 Pivot Assembly 3389 Bolt 2638 3399 Pivot Mounting Bracket 4550 Bolt 3259 Washer 2337 Washer 2336 2010 ST-8410...
  • Page 47 Cylinder Adjusting Block Ref. No. Part No. Description 2340 Bolt 3396 Cylinder Block Adjusting Bracket 2342 Washer 5395 Cylinder Mounting Block 2341 2010 ST-8410...
  • Page 48 Dual Tail Wheel Pivot Assembly Ref. No. Part No. Description 5439 DUAL TAIL WHEEL PIVOT 3176 TAIL WHEEL ASSEMBLY* 3399 PIVOT MOUNTING BRACKET 3389 BOLT 2638 2106 WASHER 4550 BOLT 2336 2337 WASHER * - SEE PAGE 26 FOR TAIL WHEEL PARTS 2010 ST-8410...

  • Page 49: Miscellaneous

    Dual Tail Wheel Adjustment Assembly Ref. No. Part No. Description 5442 PIVOT ADJUSTING ROD 2321 TURNBUCKLE 5440 DECK ADJUSTING ROD 5441 DECK MOUNT 2322 JAM NUT 2315 2313 COTTER PIN 2335 BOLT 2336 2337 WASHER 2010 ST-8410...

  • Page 50: 2337 Washer

    Pillow Block Bearing Mounting Assembly Ref. No. Part No. Description 5393 Pillow Block Bearing Stand 2335 Bolt 2336 5125 Bolt 3415 Washer 2513 3659 Bolt 2337 Washer 2336 3565 Pillow Block 3392 Shield 2513 3394 Hose Holder 3393 Washer 2512 Bolt 2010 ST-8410...

  • Page 51: Warranty Information

    Adjustable Lift Guide 2765 Hitch Pin 2336 3688 Adjustable Three Point Mount 2337 Washer 2772 Bolt 3287 Category I Clevis 4860 Category II Clevis 4391 Left Brace 3148 3297 Bolt 3718 Washer 4392 Right Brace 3284 Bolt C222 Hitch Pin 2010 ST-8410...
  • Page 52 Standard Solid Rubber Tire 2489 Rim for 2490 Tire 2490 26” Aircraft Type Tire Assembly 2622 Foam Filled Tire, Implement 3275 26” Aircraft Tire Only 3276 Tube for 26” Aircraft Tire 3516 Foam Filled Aircraft Tire Assembly 3083 Access Cover 2010 ST-8410...
  • Page 53 Hall Manufacturing further warrants that if any genuine Bush-Whacker part or component utilized by an authorized Bush-Whacker dealer proves to be defective in material or workmanship, within thirty (30) days of such utili- zation, Hall Manufacturing will, at its option, repair or replace the defective part without charge. Owner shall be responsible for all freight charges including labor to and from the place where the warranty work is per- formed.

  • Page 54: Warranty Registration Card

    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 hour within thirty (30) days of the claim approval.
  • Page 55 WARRANTY REGISTRATION ** Return to Hall Manufacturing within sixty (60) days of purchase Date of Purchase ___________ Purchaser _____________________________ 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...
  • Page 57 Notes 2010 ST-8410...

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