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Bush-whacker ST-104 Operation Manual

8 foot offset smooth top rotary cutters
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2010

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Summary of Contents for Bush-whacker ST-104

  • Page 1 2010...

  • Page 2: Introductory Page

    Welcome Thank you for selecting the ST-104 Rotary Mower. Your machine has been care- fully inspected by both the factory and the dealership prior to being received by you to ensure that it is ready for operation. This manual explains the proper operation of your machine. It is very important that you read and understand these instructions before operating or maintaining the machine.

  • Page 3: Table Of Contents

    Rollover……………………………………………………………………….9-10 Rotating Blades……………………………………………………………….10 Hydraulics…………………………………………………………………….11 Maintenance...………………………………………………………………………...12-15 General Maintenance………………………………………………………….13 At Least Twice Daily………………………………………………………….13-14 Daily…………………………………………………………………………...14-15 Every 1,000 Hours or Annually. .……………………………………………..15 Gearbox Disassembly and Assembly………………………………………………….16-17 Parts book………………………………………………………………………………19-54 Lift Type……………………………………………………………………….20-35 Pull Type……………………………………………………………………….38-51 Miscellaneous…………………………………………………………………..52-54 Warranty Information....................55-56 Warranty Registration Card…………………………………………………………...57-58 Notes………………....................59 2010 ST-104...

  • Page 4: Safety Section

    Safety Section 2010 ST-104...

  • Page 5: General Safety Instructions And Warnings

    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 6: Decals Placement

    Decals Part Numbers and Placement CW - 4167 2569 2572 4416 CCW - 4168 4415 540 Rpm - 4169 1000 Rpm - 4170 2010 ST-104...

  • Page 7: 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-104...

  • Page 8: Operations

    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-104...

  • Page 9: Attaching/Detaching Cutter

    Care must be taken when operating on uneven terrain, ditches, or embank- ments. The chances of the tractor and/or mower rolling over are increased. Also, the chance of objects being thrown by the blade are increased when operating under these adverse conditions. 2010 ST-104...

  • Page 10: 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-104...

  • Page 11: Hydraulics

    Safety Depends on You! 2010 ST-104...

  • Page 12: Maintenance

    General Maintenance Tips 2010 ST-104...

  • Page 13: General Maintenance

    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 this machine. Non-OEM parts may not meet Hall Manufacturing Inc. specifications and could lead to serious injury or death.

  • Page 14: 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 15: Every 1,000 Hours Or Annually

     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. Inspect output shaft for vines, wire, rope, etc. that may collect around the shaft and tear up ...

  • Page 16: 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-104...
  • Page 17 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-104...
  • Page 18 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-104...

  • Page 19: Parts Book

    Parts book 2010 ST-104...

  • Page 20: Lift Type

    ST-104 Lift Type Assembly Breakdown Ref. No. Description Page Number Front Chain Guard 34-35 Hitch Frame Assembly Tail Wheel Axle Assembly Tail Wheel Fork & Wheel Assembly Gear Box Shields Gearbox 22-26 Rear Chain Guard 34-35 2010 ST-104...
  • Page 21 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 5633 Left Brace 5634 Right Brace 2336 2337 Washer 3659 Bolt 2010 ST-104...
  • Page 22 3869 Gear Box 2010 ST-104...
  • Page 23 2037 Seal 3865 Input Shaft 1609 3205 Gear 1610 Shim 1615 Bearing 1614 Seal 1613 Seal Protector 2690 Cotter Pin 3866 Output Shaft 1611 Washer 1612 3867 Pipe Plug 3868 Bearing 1625 Shim 1626 Cotter Pin 4144 Cover 2010 ST-104...
  • Page 24 2033 Transfer Gear Box (USE NUMBER “0” WEIGHT OIL ONLY) 2010 ST-104...
  • Page 25 Snap Ring 2037 Seal 2038 Shim 2039 External Circlip 2040 Gear 2041 External Circlip 2042 Bearing 2043 Spacer 2044 Input Shaft 2045 Pinion 2046 Shim 2047 Output Shaft 2048 Hex Bolt 2049 Cover 2050 Plug 2051 Oil Filler Plug 2010 ST-104...
  • Page 26 4050 Main Drive Shaft for Lift Type 2010 ST-104...
  • Page 27 Complete Shield Assembly 4047 Outer Half Shaft Complete 4048 Inner Half Shaft Complete 5075 Bolt with Nut 4018 Flange Yoke 3962 Bushing 5072 Clutch Disk 4049 Splined Hub 5054 Pin with Nut 3968 Outer Plate 5073 Spring 5074 Spann Kit 2010 ST-104...
  • Page 28 2678 Spider 2059 Disc 2679 Flexible Coupler Ref. No. Part No. Description Ref. No. Part No. Description 2065A Spider 2062 Hex Nut 2678 Spider 2063 Washer 2059 Disc 2061 Beaded Washer 2060 Bolt 2064 Cotter Pin 2065 Spider 2010 ST-104...
  • Page 29 Updraft Blade, CCW Right Side Assembly Not Shown 3203 Updraft Blade, CW Left Side Assembly 3095 Bolt 2106 Washer 2105 1420 Output Shaft Washer 1421 Output Shaft Nut 1422 Cotter Pin 3096 Washer Only needed when using Stump Jumper 2010 ST-104...
  • Page 30 Tail Wheel Tube Assembly Ref. No. Part No. Description 5624 Tail Wheel Arm 3176 Tail Wheel Assembly 5622 Tail Wheel Adjusting Rack Plate 5623 Tail Wheel Adjusting Rack 2335 Bolt 2336 2337 Washer 2303 Bolt 2105 2010 ST-104...
  • Page 31 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 5167 Bolt 10,11, 12 4884 Bearing kit 2010 ST-104...
  • Page 32 Ref. No. Part No. Description 2083 Main Drive Line Guard 3379 Side Drive Line Guard 4376 Shield Face Plate 3394 Hose Holder 2512 Bolt 2513 3006 Bolt 2053 Bolt 2512 Bolt 2513 4463 Manual Holder 4462 Self Tapping Screw 2010 ST-104...
  • Page 33 Skid Shoe Assembly Ref. No. Part No. Description 5386 Skid Shoe 2335 Bolt 2337 Washer 2336 2010 ST-104...
  • Page 34 ST-104 CHAIN GUARD HARDWARE REF # DESCRIPTION PART NUMBER PLATE SEE CHART 1 PER LOCATION CHAIN 3583 VARIES CLAMP 3585 1 PER LOCATION BOLT 2335 VARIES WASHER 2337 VARIES 2336 VARIES 2010 ST-104...
  • Page 35 LOCATION ASSEMBLY PLATE CHAIN QTY FASTENER QTY 5674 5629 5675 5629 5676 5628 5677 5626 5678 5626 5679 5628 2010 ST-104...
  • Page 36 2010 ST-104...
  • Page 37 Optional Equipment Other Items not Illustrated 2010 ST-104...

  • Page 38: Pull Type

    ST-104 Pull Type Assembly Breakdown Ref. No. Description Page Number Chain Guards 34-35 Tongue Assembly 39-41 Level Rod Assembly Gearboxes 22-25 Gearbox Shield Assembly Cylinder Mount Assembly Cylinder Pivot Assembly 2010 ST-104...
  • Page 39 Tongue with Fixed Clevis Ref. No. Part No. Description 5680 Regular Tongue Only 3374 3373 Bolt 2624 Bolt 2969 Jack 3381 Clevis 2638 2010 ST-104...
  • Page 40 Tongue Assembly with Swivel Clevis  Ref. No. Part No. Description 5662 Swivel Tongue Only 3374 3373 Bolt 2077 3285 Washer 2969 Jack 2624 Bolt 3381 Clevis 2638 3873 Swivel Only 2076 Bolt 5639 Set screw 2010 ST-104...
  • Page 41 Tongue Assembly with Bulldog Hitch Ref. No. Part No. Description 5681 Bulldog Tongue Assembly 3374 3373 Bolt 2969 Jack 2010 ST-104...
  • Page 42 4059 Complete Drive Shaft For Pull Type 2010 ST-104...
  • Page 43 Outer Half Shaft Complete 4017 Inner Half Shaft Complete 3925 QD Pin 1719 Bolt w/Nut 4018 Flange Yoke 3962 Bushing 3963 Clutch Disk 3964 Clutch Plate 3965 Inner Plate 4049 Splined Hub 3967 Bolt w/Nut 3968 Outer Plate 3969 Spring 2010 ST-104...
  • Page 44 5038 Constant Velocity Drive Shaft 2010 ST-104...
  • Page 45 Pin + Nut 5056 Bolt + Nut 5057 Yoke Flange 5058 Bushing 5059 Lining 5060 Lining Support 5062 Inner Plate 5063 Splined Hub 5064 Disc 5066 Belleville Washer 5067 CV Half Shaft Complete 5068 Inner Half Shaft Complete 2010 ST-104...
  • Page 46 Rear Pivot Assembly for Pull Type Ref. No. Part No. Description 5661 Rear Pivot 3389 Bolt 2638 2335 Bolt 2337 Washer 2336 2010 ST-104...
  • Page 47 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-104...
  • Page 48 Axle Arm Assembly Ref. No. Part No. Description 3563 Axle Arm 2335 Bolt 2336 3564 Spindle 2010 ST-104...
  • Page 49 Cylinder Mounting Assembly Ref. No. Part No. Description 3385 Cylinder Block 3147 Bolt 3718 Washer 3148 3879 Adjusting Bracket 2335 Bolt 2337 Washer 2336 2010 ST-104...
  • Page 50 3387 Lift Cylinder Part No. Description Ref. No. 2330 3270 Clip Pin 3152 Rod w/Lock Nut 3157 Barrel Assembly 3158 Piston 3159 Gland 3165 Breather Plug 3330 Restrictor 4978 Hose 3166 Seal Kit 3167 Stroke Control Segment Kit 2010 ST-104...
  • Page 51 Level Rod Assembly Ref. No. Part No. Description 5638 Front Level Rod 2322 2321 Turnbuckle 3066 Rear Level Rod 2354 3270 Clip Pin 2010 ST-104...

  • Page 52: Miscellaneous

    Offset Adapter Assembly 2010 ST-104...
  • Page 53 Adjustable Lift Guide 2765 Hitch Pin 2336 3688 Adjustable Three Point Mount 2337 Washer 2772 Bolt 3287 Category I Clevis 4860 Category II Clevis 4393 Left Brace 3148 3297 Bolt 3718 Washer 4394 Right Brace 3284 Bolt C222 Hitch Pin 2010 ST-104...
  • Page 54 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-104...

  • Page 55: Warranty Information

    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 56 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 57: Warranty Registration Card

    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 59: Notes

    Notes 2010 ST-104...

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