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Bush-whacker ST-104, Operation Manual

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2010 ST-104 

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. 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 Manufacturing, Inc. 

3706 E. Washington Ave., P.O. Box Drawer 5638 

North Little Rock, AR 72119 

(501) 945-7550 

 

Summary of Contents for ST-104

Page 1: ...2010 ...

Page 2: ...ctions before operating or maintaining the machine 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 avail...

Page 3: ...ng Detaching Cutter 9 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 ...

Page 4: ...4 2010 ST 104 Safety Section ...

Page 5: ...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 Alwa...

Page 6: ...6 2010 ST 104 Decals Part Numbers and Placement 2569 2572 4416 CW 4167 CCW 4168 540 Rpm 4169 1000 Rpm 4170 4415 ...

Page 7: ...but more importantly they can be ejected from underneath 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 ord...

Page 8: ...ecurely 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 ar...

Page 9: ...and all moving parts both tractor 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 signal...

Page 10: ... to the blades until all motion has stopped and ma chine is turned off Never operate with Cutting Head raised if bystanders or traffic are in the area to prevent injury or death from objects thrown by 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...

Page 11: ...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 12: ...12 2010 ST 104 General Maintenance Tips ...

Page 13: ...ance on them Failure to do so could result in serious injury or possibly even death Use marfac double ought grease or 0 weight 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 wil...

Page 14: ...ntly 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 s...

Page 15: ...equired 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 immediately before...

Page 16: ... 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 im portant 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 17: ... 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 con...

Page 18: ...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 19: ...19 2010 ST 104 Parts book ...

Page 20: ...e Number 1 Front Chain Guard 34 35 2 Hitch Frame Assembly 21 3 Tail Wheel Axle Assembly 30 4 Tail Wheel Fork Wheel Assembly 31 5 Gear Box Shields 32 6 Gearbox 22 26 7 Rear Chain Guard 34 35 ST 104 Lift Type Assembly Breakdown 1 2 3 4 5 6 7 ...

Page 21: ... 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 4860 Category II Clevis 1 9 5633 Left Brace 1 10 5634 Right Brace 1 11 2336 Nut 4 12 2337 Washer 4 13 3659 Bolt 4 Hitch Frame Assembly ...

Page 22: ...22 2010 ST 104 3869 Gear Box ...

Page 23: ...9 2036 Snap Ring 1 10 2037 Seal 2 11 3865 Input Shaft 1 12 1609 Nut 1 13 3205 Gear 1 14 1610 Shim 1 15 1615 Bearing 1 16 1614 Seal 2 17 1613 Seal Protector 1 18 2690 Cotter Pin 1 19 3866 Output Shaft 1 20 1611 Washer 1 21 1612 Nut 1 22 3867 Pipe Plug 2 23 3868 Bearing 1 24 1625 Shim 1 25 1626 Cotter Pin 1 26 4144 Cover 1 3869 Gear Box USE 0 WEIGHT OIL ONLY ...

Page 24: ...24 2010 ST 104 2033 Transfer Gear Box USE NUMBER 0 WEIGHT OIL ONLY ...

Page 25: ...038 Shim AR 6 2039 External Circlip 1 7 2040 Gear 1 8 2041 External Circlip 1 9 2042 Bearing 1 10 2043 Spacer 1 11 2044 Input Shaft 1 12 2045 Pinion 1 13 2046 Shim AR 14 2047 Output Shaft 1 16 2048 Hex Bolt 4 17 2049 Cover 1 18 2050 Plug 1 19 2051 Oil Filler Plug 1 2033 Transfer Gear Box USE NUMBER 0 WEIGHT OIL ONLY ...

Page 26: ...26 2010 ST 104 4050 Main Drive Shaft for Lift Type ...

Page 27: ...mbly 1 12 3927 Outer Shield Ring 1 13 3947 Shield Bell 2 14 3928 Shield Screw 6 15 4042 Outer Shield Tube 1 16 4043 Inner Shield Tube 1 17 4012 Shield Safety Chain 2 18 3932 Inner Shield Ring 1 19 4044 Outer Shield Complete 1 20 4045 Inner Shield Complete 1 21 4046 Complete Shield Assembly 1 22 4047 Outer Half Shaft Complete 1 23 4048 Inner Half Shaft Complete 1 25 5075 Bolt with Nut 8 26 4018 Fla...

Page 28: ... 2059 Disc 6 Ref No Part No Description Qty 6 2065 Spider 1 7 2062 Nut 12 8 2064 Cotter Pin 12 9 2678 Spider 1 Ref No Part No Description Qty 2 2065A Spider 1 3 2678 Spider 1 4 2059 Disc 6 5 2060 Bolt 12 2679 Flexible Coupler Ref No Part No Description Qty 6 2062 Hex Nut 12 7 2063 Washer 12 8 2061 Beaded Washer 36 9 2064 Cotter Pin 12 10 2065 Spider 1 ...

Page 29: ...32 Blade Bar with Stump Jumper REF Right and Left 2 3202 Updraft Blade CCW 2 Right Side Assembly Not Shown 3203 Updraft Blade CW 2 Left Side Assembly 3 3095 Bolt 2 4 2106 Washer 2 5 2105 Nut 2 6 1420 Output Shaft Washer 1 7 1421 Output Shaft Nut 1 8 1422 Cotter Pin 1 9 3096 Washer 2 Only needed when using Stump Jumper ...

Page 30: ... No Part No Description Qty 1 5624 Tail Wheel Arm 1 2 3176 Tail Wheel Assembly 1 3 5622 Tail Wheel Adjusting Rack Plate 1 4 5623 Tail Wheel Adjusting Rack 1 5 2335 Bolt 4 6 2336 Nut 4 7 2337 Washer 4 8 2303 Bolt 1 9 2105 Nut 1 1 2 3 4 5 6 7 8 9 ...

Page 31: ...ly 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 5167 Bolt 1 10 11 12 4884 Bearing kit 1 ...

Page 32: ...tion Qty 1 2083 Main Drive Line Guard 1 2 3379 Side Drive Line Guard 1 3 4376 Shield Face Plate 1 4 3394 Hose Holder 1 5 2512 Bolt 2 6 2513 Nut 2 7 3006 Bolt 4 8 2053 Bolt 4 9 2512 Bolt 2 10 2513 Nut 2 11 4463 Manual Holder 1 12 4462 Self Tapping Screw 2 ...

Page 33: ...33 2010 ST 104 Skid Shoe Assembly Ref No Part No Description Qty 1 5386 Skid Shoe 1 2 2335 Bolt 2 3 2337 Washer 2 4 2336 Nut 2 3 2 1 4 ...

Page 34: ...0 ST 104 REF DESCRIPTION PART NUMBER QTY 1 PLATE SEE CHART 1 PER LOCATION 2 CHAIN 3583 VARIES 3 CLAMP 3585 1 PER LOCATION 4 BOLT 2335 VARIES 5 WASHER 2337 VARIES 6 NUT 2336 VARIES ST 104 CHAIN GUARD HARDWARE ...

Page 35: ...35 2010 ST 104 E D F C A B LOCATION ASSEMBLY PLATE CHAIN QTY FASTENER QTY A 5674 5629 39 6 B 5675 5629 39 6 C 5676 5628 13 2 D 5677 5626 45 5 E 5678 5626 45 5 F 5679 5628 13 2 ...

Page 36: ...36 2010 ST 104 ...

Page 37: ...37 2010 ST 104 Optional Equipment and Other Items not Illustrated ...

Page 38: ...e Number 1 Chain Guards 34 35 2 Tongue Assembly 39 41 3 Level Rod Assembly 51 4 Gearboxes 22 25 5 Gearbox Shield Assembly 32 6 Cylinder Mount Assembly 49 7 Cylinder 50 8 Pivot Assembly 46 ST 104 Pull Type Assembly Breakdown 2 8 3 4 1 5 7 6 ...

Page 39: ...39 2010 ST 104 Ref No Part No Description Qty 1 5680 Regular Tongue Only 1 2 3374 Nut 2 3 3373 Bolt 2 4 2624 Bolt 1 5 2969 Jack 1 6 3381 Clevis 1 7 2638 Nut 1 Tongue with Fixed Clevis ...

Page 40: ...ion Qty 1 5662 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 Set screw 1 Tongue Assembly with Swivel Clevis ...

Page 41: ...41 2010 ST 104 Ref No Part No Description Qty 1 5681 Bulldog Tongue Assembly 1 2 3374 Nut 2 3 3373 Bolt 2 4 2969 Jack 1 Tongue Assembly with Bulldog Hitch ...

Page 42: ...42 2010 ST 104 4059 Complete Drive Shaft For Pull Type ...

Page 43: ... 3928 Shield Screw 6 15 4011 Outer Shield Tube 1 16 4095 Inner Shield Tube 1 17 4012 Shield Safety Chain 2 18 3932 Inner Shield Ring 2 19 4013 Outer Shield Complete 1 20 4014 Inner Shield Complete 1 21 4015 Complete Shield Assembly 1 22 4016 Outer Half Shaft Complete 1 23 4017 Inner Half Shaft Complete 1 24 3925 QD Pin 1 25 1719 Bolt w Nut 8 26 4018 Flange Yoke 1 27 3962 Bushing 1 28 3963 Clutch D...

Page 44: ...44 2010 ST 104 5038 Constant Velocity Drive Shaft ...

Page 45: ...2 13 5055 Outer Shield Cone 1 14 4904 Shield Support Outer Tube 1 15 4905 Shield Support 1 16 5050 Shield Screw 12 17 5051 Outer Shield Tube 1 18 5042 Inner Shield Tube 1 19 4908 Inner Shield Cone 1 20 4909 Shield Support Inner Tube 1 21 4938 Washer 6 22 5061 Shield Chain 2 23 4910 Ball Collar Kit 1 3 8 1 24 5054 Pin Nut 1 25 5056 Bolt Nut 1 26 5057 Yoke Flange 1 27 5058 Bushing 1 28 5059 Lining 4...

Page 46: ...46 2010 ST 104 Rear Pivot Assembly for Pull Type Ref No Part No Description Qty 1 5661 Rear Pivot 1 2 3389 Bolt 2 3 2638 Nut 2 4 2335 Bolt 8 5 2337 Washer 8 6 2336 Nut 8 ...

Page 47: ...ncludes Items 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 3360 Cotter Pin 1 2448 Hub Assembly ...

Page 48: ...48 2010 ST 104 Axle Arm Assembly Ref No Part No Description Qty 1 3563 Axle Arm 1 2 2335 Bolt 4 3 2336 Nut 4 4 3564 Spindle 1 ...

Page 49: ...010 ST 104 Cylinder Mounting Assembly Ref No Part No Description Qty 1 3385 Cylinder Block 1 2 3147 Bolt 2 3 3718 Washer 2 4 3148 Nut 2 5 3879 Adjusting Bracket 2 6 2335 Bolt 4 7 2337 Washer 4 8 2336 Nut 4 ...

Page 50: ... 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 9 4978 Hose 1 REF 3166 Seal Kit 1 REF 3167 Stroke Control Segment Kit AR ...

Page 51: ...51 2010 ST 104 Level Rod Assembly Ref No Part No Description Qty 1 5638 Front Level Rod 1 2 2322 Nut 1 3 2321 Turnbuckle 1 4 3066 Rear Level Rod 1 5 2354 Pin 2 6 3270 Clip Pin 4 ...

Page 52: ...52 2010 ST 104 Offset Adapter Assembly ...

Page 53: ...85 Washer 1 5 2077 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 4860 Category II Clevis 1 13 4393 Left Brace 1 14 3148 Nut 4 15 3297 Bolt 4 16 3718 Washer 4 17 4394 Right Brace 1 18 3284 Bolt 1 19 C222 Hitch Pin 2 ...

Page 54: ...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 2 Items not Illustrated For Pull Type Only ...

Page 55: ...if the equipment shall have been operated subsequent to its involvement in an accident or breakdown un less 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 56: ...Y 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 hou...

Page 57: ...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 ...

Page 58: ......

Page 59: ...59 2010 ST 104 Notes ...

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