Bush Hog 280 Brush Cutter User Manual
Contents
1. 18 IV MAINTENANCE ccceeeeeeeeereeeeees 11 5 8 Rear Chain Installation 18 4 1 Maintenance Check List 11 Safety Decals 19 4 2 Lubrication ce 11 Torque Specifications 20 RETAIL CUSTOMER S RESPONSIBILITY UNDER THE BUSH HOG WARRANTY It is the Retail Customer and or Operator s responsibility to read the Operator s Manual to operate lubricate maintain and store the product in accordance with all instructions and safety procedures Failure of the operator to read the Operator s Manual is a misuse of this equipment It is the Retail Customer and or Operator s responsibility to inspect the product and to have any part s repaired or replaced when continued operation would cause damage or exces sive wear to other parts or cause a safety hazard It is the Retail Customer s responsibility to deliver the product to the authorized Bush Hog Dealer from whom he purchased it for service or replacement of defective parts which are covered by warranty Repairs to be submitted for warranty consideration must be made within forty five 45 days of failure It is the Retail Customer s responsibility for any cost incurred by the Dealer for traveling to or hauling of the product for the purpose of performing a warranty obligation or inspection BUSH HOG MODEL 280 SERIES LIMITED WARRANTY BPA ARAKI AKA ARAB RABI RAEI RK AK Bush2. 285 286 287 Adjustment can be made with a ratchet or cylinder on the 287 dual wheel mount Figures 3 1 amp 3 2 A Raise cutter using 3 point lift until tailwheel s lift off ground Turn off tractor Block cutter in posi tion B Remove adjusting bolts from bracket C Position tailwheel for desired cutting height D Replace adjusting bolts and tighten securely 3 3 OPERATION A Perform BEFORE EACH USE maintenance listed in paragraph 4 1 B Start tractor C With tractor at idle speed engage PTO drive D Adjust cutter to working position A DANGER A STAY CLEAR OF ROTATING DRIVELINE DO NOT OPERATE WITHOUT DRIVELINE SHIELDS IN PLACE AND IN GOOD CONDI TION FAILURE TO HEED THESE WARNINGS MAY RESULT IN PERSONAL INJURY OR DEATH E Set tractor throttle for appropriate PTO speed 540 RPM Figure 3 2 Model 287 With Dual Tailwheels Hydraulic Cylinder or Adjustable Ratchet Dual Tailwheel Mount A DANGER A ROTATING CUTTER BLADES STAND CLEAR UNTIL ALL MOTION HAS STOPPED TO AVOID AN ACCIDENTAL FALL FROM THE TRACTOR AND POSSIBLE INJURY BY THE MOWER IT IS RECOMMENDED THAT THE TRACTOR BE EQUIPPED WITH ROPS ROLLOVER PROTECTIVE SYSTEM AND THAT A SEAT BELT BE USED BY THE OPER ATOR FOR ALL MOWING OPERATIONS F Place tractor in gear and begin cutting Tractor for ward speed should be controlled by gear selection not engine speed For maximum cutting efficiency for ward speed should allow cu
3. SAFETY DECALS To promote safe operation Bush Hog supplies safety decals on all products manufactured Because damage can occur to safety decals either through shipment use or reconditioning Bush Hog will upon request provide safety decals for any of our products in the field at no charge Contact your authorized Bush Hog dealer for more information 4 WARNING i Y 4 WARNING IMPLEMENT CAN FALL FROM HYDRAULIC SYSTEM FAILURE TO AVOID SERIOUS ROTARY CUTTERS MAY BLOCK UP OR horari proceda BEFORE DISCHARGE OBJECTS AT WORKING UNDERNEATH HIGH SPEEDS WHICH COULD RESULT IN SERIOUS INJURY TO BY STANDERS PURGE ALL AIR FROM HYDRAULIC SYSTEM BEFORE ATTEMPTING TO RAISE OR LOWER THIS IMPLEMENT STAND CLEAR IF LOWERING OR RAISING IMPLEMENT DO NOT USE HAND OR SKIN TO CHECK FOR HYDRAULIC OR PASSERS BY LEAKS USE CARDBOARD OR WOOD DO NOT OPERATE CUTTER IN VICINITY OF HIGH PRESSURE OIL LEAKS CAN PENETRATE SKIN CAUSING OTHER PERSONS SERIOUS INJURY AND GANGRENE CONSULT A PHYSICIAN IMMEDIATELY LOWER THE IMPLEMENT AND RELEASE HYDRAULIC PRESSURE BEFORE LOOSENING FITTINGS REFER TO OWNERS MANUAL FOR DETAILS KEEP ENCLOSED SIDES PERMANENT BANDS BELTING HIGHWAY CHAINS OR OTHER FACTORY APPROVED DISCHARGE SHIELDS IN PLACE AND IN GOOD REPAIR 82683 82618 4h DANGER 44 WARNING TO AVOID SERIOUS INJURY OR DEATH READ OPERATOR S MANUAL BEFORE OPERATING amp FOLLOW
4. Bushing 3 Lower Hitch Pin w Cat 8 Cat II Bushings NOTE Due to the many variations in tractor imple ment hitch points and corresponding differ ences in distances between tractor PTO shafts and implement input shafts drivelines may need to be shortened as described in the following steps D Raise and lower cutter to determine position with shortest distance between the tractor PTO shaft and gearbox input shaft Shut down tractor leaving cutter in position of shortest distance Securely block cutter in position E Pull driveline apart Attach outer female sec tion to tractor PTO shaft Pull on driveline section to be sure that yoke locks into place F Hold driveline sections parallel to each other to determine if too long Each section should end approximately 3 inches 76mm short of reaching universal joint shield on opposite section If too long measure 3 inches 76mm back from universal joint shield and mark on opposite section Figure 2 3 Do this for both sections G Raise and lower cutter to determine position with greatest distance between PTO shaft and gear box input shaft Shut down tractor leaving cutter in position of greatest distance Securely block cut ter in position Figure 2 3 H Hold driveline sections parallel to each other and check for minimum 6 inches 15cm overlap Figure 2 4 If driveline has been marked for cutting overlap will be the distance between two marks If d
5. 8 x 5 1 2 capscrews and locknuts and spaced by 2 3 8 diameter by 2 1 16 long bushing Install a 1 x 4 1 2 capscrew and a 1 1 4 diameter by 2 1 16 long bushing and a nut and lockwasher to the front portion of the top plate C Align holes in the pivot arm installing a 1 diam eter by 1 1 16 long bushing and securing with a 3 4 x 4 capscrew lockwasher and nut 17 D Attach support yokes to the outside of the pivot arm using two 1 diameter x 11 16 long bushings 3 4 x 2 1 2 capscrews lockwashers and nuts E Attach the opposite ends of the support yokes over the welded strongback tubes which are located closest to the gearbox using 5 8 x 8 capscrews flatwasher and locknut F For single tailwheel mounting position tailwheel bracket on rear of cutter deck as shown Figure 3 1 Align holes in tailwheel weldment with holes in support yokes and strongback tubes tubes located closest to the gearbox Fasten with the 5 8 x 8 capscrews flatwasher and locknut G Place flatwasher on wheel spindle Install wheel on tailwheel weldment securing with roll pin H Bolt adjusting bracket to cutter deck using 5 8 x 2 capscrew and locknut Place tailwheel frame into desired position and fasten with 1 2 x 1 3 4 capscrews lockwashers and nuts J For mounting dual tailwheels position tailwheel brackets at the rear tubes located in the strong backs Figure 3 2 Align hole
6. ALL PRECAUTIONS CONTACT DEALER FOR MANUALS KEEP SHIELDS AND GUARDS IN PLACE KEEP CLEAR OF DRIVES AND BELTS LOWER IMPLEMENT STOP ENGINE AND REMOVE KEY BEFORE DISMOUNTING SECURELY SUPPORT MOWER amp REMOVE KEY BEFORE WORKING UNDERNEATH NO RIDERS DO NOT OPERATE MOWER IN VICINITY OF OTHER PERSONS KNOW HOW TO STOP TRACTOR AND EQUIPMENT QUICKLY IN AN EMERGENCY CLEAR MOWING AREA OF DEBRIS ALLOW NO CHILDREN OR UNQUALIFIED PERSONS TO OPERATE EQUIPMENT BE CAREFUL ON UNEVEN TERRAIN DECREASE SPEED WHEN TURNING DO NOT OPERATE MOWER IN TRANSPORT POSITION ROTATING DRIVELINE CONTACT CAN CAUSE DEATH KEEP AWAY DO NOT OPERATE WITHOUT e ALL DRIVELINE TRACTOR AND EQUIPMENT SHIELDS IN PLACE e DRIVELINES SECURELY ATTACHED AT BOTH ENDS e DRIVELINE SHIELDS THAT TURN FREELY ON DRIVELINE A DANGER KEEP AWAY ROTATING BLADES SERIOUS INJURY OR DEATH CAN RESULT FROM THROWN OBJECTS OR BLADE CONTACT DO NOT STAND ON OR NEAR MACHINE WHEN IN OPERATION DO NOT OPERATE WITH DEFLECTORS OR GUARDS REMOVED ROPS ROLLOVER PROTECTIVE SYSTEM AND SEAT BELT EQUIPPED TRACTOR IS RECOMMENDED FOR OPERATOR USE IN ALL MOWING OPERATIONS A CAUTION THIS IMPLEMENT IS DESIGNED TO OPERATE AT 540 RPM MAXIMUM TRACTOR PTO SPEED ALL DRIVE LINE SHIELDS MUST BE KEPT IN PLACE 60873 82619 60873 19 TORQUE SPECIFICATIONS Proper toque for Americ
7. Hog warrants to the original purchaser of any new Bush Hog equipment purchased from an authorized Bush Hog dealer that the equipment be free from defects in material and workmanship for a period of one 1 year for non commercial state and municipalities use and ninety 90 days for commercial use from date of retail sale Model 280 gearboxes are covered by a two 2 year limited warranty period The obligation of Bush Hog to the purchaser under this warranty is limited to the repair or replacement of defective parts Replacement or repair parts installed in the equipment covered by this limited warranty are warranted for ninety 90 days from the date of purchase of such part or to the expiration of the applicable new equip ment warranty period whichever occurs later Warranted parts shall be provided at no cost to the user at an authorized Bush Hog dealer during regular working hours Bush Hog reserves the right to inspect any equip ment or parts which are claimed to have been defective in material or workmanship DISCLAIMER OF IMPLIED WARRANTIES amp CONSEQUENTIAL DAMAGES Bush Hog s obligation under this limited warranty to the extent allowed by law is in lieu of all war ranties implied or expressed INCLUDING IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE and any liability for incidental and consequential damages with respect to the sale or use of the items warranted Such incidental and consequential damages
8. MAY VARY IN SOME DETAIL IN ADDITION SOME PHOTOGRAPHS MAY SHOW SHIELDS REMOVED FOR PURPOSES OF CLARITY NEVER OPERATE THIS IMPLEMENT WITHOUT ALL SHIELDS IN PLACE 280 SERIES ROTARY CUTTERS TABLE OF CONTENTS SECTION PARA PAGE SECTION PARA PAGE VAENE aie Me la ne 3 4 3 Blade Holder Assembly Dealer Preparation Check List 4 Removal and Installation 12 Safety Precautions 5 4 4 Blade Replacement 12 Federal Laws and Regulations 6 4 5 Slip Clutch Operational Check 12 1 INTRODUCTION 8 DESCRIPTION 7 4 6 Slip Clutch Adjustment 13 1 1 Introduce cli 7 4 7 Troubleshooting 13 1 2 Description tertia 7 Il PREPARATION FOR USE 8 NM ASSEMBL ica 15 2 1 Attaching To Tractor 8 5 1 3 Point Lift Models 285 286 15 III OPERATING INSTRUCTIONS 10 5 2 3 Point Lift Model 287 16 3 1 General Safety 10 5 3 Semi Mount Model 287 17 3 2 Adjusting for Work 10 5 4 Quick Hitch Model 287 17 3 2 1 Cutting Height Adjustment 10 5 5 Front Belting Installation 18 3 3 Operation c ooooooooooocccccccccnnonnnonononanons 10 5 6 Rear Band Installation 18 3 4 Transportes 11 5 7 Front Chain Installation
9. carefully designed to give maximum service with minimum down time This manual is provided to give you the necessary operating and maintenance instructions for keeping your rotary cutter in top operating condition Please read this manual thor oughly Understand what each control is for and how to use it Observe all safety precautions decaled on the machine and noted throughout the manual for safe operation of implement If any assistance or additional information is needed con tact your authorized Bush Hog dealer 1 2 DESCRIPTION The 280 Series rotary cutters Figure 1 1 are designed for medium duty applications such as grass corn stalks and light brush These cutters are single spindle with two free swinging blades Free swinging blades reduce the shock of impact when a stationary object is hit Additional protection is pro vided by a slip clutch on the gearbox input shaft A round blade holder allows the cutter to ride over stumps and similar immovable objects Models 285 and 286 are attached to the tractor using a standard Cat or II 3 point hitches The 287 can use Cat and ll standard and quick hitch or semi mount Standard equipment includes driveline shields clutch shields and front and rear discharge shields Figure 1 1 Major Components Flex Link A Frame Strut Support Yoke Gearbox Driveline Hitch Pin Front Belting deflectors NOTE Dealer or purchaser may elect to delete front and re
10. shall include but not be limited to transportation charges other than normal freight charges cost of installation other than cost approved by Bush Hog duty taxes charges for normal service or adjustment loss of crops or any other loss of income rental of substitute equipment expenses due to loss damage detention or delay in the delivery of equipment or parts resulting from acts beyond the control of Bush Hog THIS LIMITED WARRANTY SHALL NOT APPLY 1 To vendor items which carry their own warranties such as engines tires and tubes 2 If the unit has been subjected to misapplication abuse misuse negligence fire or other accident 3 If parts not made or supplied by Bush Hog have been used in connection with the unit if in the sole judge ment of Bush Hog such use affects its performance stability or reliability 4 If the unit has been altered or repaired outside of an authorized Bush Hog dealership in a manner which in the sole judgement of Bush Hog affects its performance stability or reliability 5 To normal maintenance service and normal replacement items such as gearbox lubricant hydraulic fluid worn blades or to normal deterioration of such things as belts and exterior finish due to use or exposure 6 To expendable or wear items such as teeth chains sprockets belts springs and any other items that in the company s sole judgement is a wear item NO EMPLOYEE OR REPRESENTATIVE OF BUSH HOG IS AUTHORIZED TO CHA
11. with pivot bolt lockwasher and nut Torque to 30 ft lbs K Loosen eight nuts retaining clutch springs 1 3 turn or until spring can be turned with fingers L With tractor at idle speed engage tractor PTO drive 2 3 seconds Clutch should slip with out turning blades M Retighten nuts to original position If adjust ment is necessary refer to Section 4 6 A WARNING A OVER TIGHTENING SPRING NUTS MAY CAUSE DAMAGE TO IMPLEMENT AND OR TRACTOR DUE TO INCORRECT SLIP CLUTCH TORQUE SETTING ALWAYS FOLLOW THE PROPER ADJUSTMENT PRO CEDURE N Fill gearbox with EP80W 90 gear oil to check plug on rear of gearbox Allow time for oil to seep through bearings into lower housing Replace temporary plug with vent plug supplied in operator s manual package Yoke M Flex Link t Driveline Cat or II Hitch Pin Front Safety Chains 5 2 3 POINT LIFT MODELS 287 A Attach A frame struts to mounting brackets using 5 8 x 2 capscrews and locknuts as shown Fig 5 1 B Place flex link and pivot tube between top of A frame struts Place support yokes on outside of A frame struts Fasten together using a 5 8 x 6 cap screw and locknut Attach the opposite ends of the support yokes over the welded strongback tubes which are located closest to the gearbox using 5 8 x 8 capscrews flatwasher and locknut C For single tailwheel mounting position tail wheel bracket on rear of cutter de
12. BUSH HOG 280 SERIES ROTARY CUTTERS de 14 A A a ae Pp ter ihe 8 Operator s Manual ASSEMBLY O OPERATION O MAINTENANCE 199 4 00 Part No 95355 CONGRATULATIONS You have invested in the best implement of its type on the market today The care you give your Bush Hog implement will greatly determine your satisfaction with its performance and its service life We urge a careful study of this manual to provide you with a thorough understanding of your new implement before operating as well as suggestions for operation and maintenance If your manual should become lost or destroyed Bush Hog will be glad to provide you with a new copy Order from Bush Hog P O Box 1039 Selma Alabama 36702 1039 As an authorized Bush Hog dealer we stock genuine Bush Hog parts which are manufactured with the same precision and skill as our original equipment Our trained service personnel are well informed on methods required to service Bush Hog equipment and are ready and able to help you Should you require additional information or assistance please contact us YOUR AUTHORIZED BUSH HOG DEALER BECAUSE BUSH HOG MAINTAINS AN ONGOING PROGRAM OF PRODUCT IMPROVEMENT WE RESERVE THE RIGHT TO MAKE IMPROVEMENTS IN DESIGN OR CHANGES IN SPECIFICATIONS WITH OUT INCURRING ANY OBLIGATION TO INSTALL THEM ON UNITS PREVIOUSLY SOLD BECAUSE OF THE POSSIBILITY THAT SOME PHOTOGRAPHS IN THIS MANUAL WERE TAKEN OF PROTOTYPE MODELS PRODUCTION MODELS
13. E SECTION Il PREPARATION FOR USE 2 1 ATTACHING TO TRACTOR A WARNING A NEVER STAND BETWEEN TRACTOR AND CUTTER WHILE TRACTOR IS BEING BACKED TO HITCH A WARNING ADDITIONAL TRACTOR FRONT BALLAST MAY BE NEEDED FOR STABLE OPERATION AND TRANSPORT OF THE 3 POINT HITCH MOUNTED CUTTER SEE TRACTOR OPERA TOR S MANUAL FOR RECOMMENDED WEIGHTS A WARNING A DO NOT USE PTO SHAFT ADAPTERS TO CHANGE SIZE OF TRACTOR PTO SHAFT THE CORRECT DRIVELINE MUST BE USED TO MATCH TRACTOR PTO SHAFT A Attach cutter to tractor 3 point hitch per tractor operator s manual Do not attach driveline at this time IMPORTANT Tractor top link pin securing 3 point hitch top link to cutter must conform to dimension shown in Figure 2 1 to avoid interference with A frame Figure 2 1 Top Link Pin 5 1 2 je 3 3 4 Es pe 3 3 4 gt B Raise 3 point hitch until front of cutter is approxi mately 1 2 inches 25 51mm lower than rear for standard cut or until front of cutter is 1 inch 35mm higher than rear for extra shredding Shut down tractor Securely block cutter in position For further explanation of cutter adjustment see paragraph 3 2 C Adjust top link of 3 point hitch to position flex link as shown in Figure 2 2 Figure 2 2 Flex Link QUICK HITCH ASSEMBLY 5 8 X 5 1 2 Capscrews w 2 3 8 Bushing 3 4 x 4 Capscrew 4 x 2 1 2 Capscrews w 1 Bushing 1 x 4 1 2 Capscrew w 1 Bushing w 1 1 4
14. IMPORTANT Tighten all fasteners to specifications on Torque Chart unless otherwise indicated 5 1 3 POINT LIFT MODELS 285 amp 286 A Attach A frame struts to mounting brackets using 5 8 x 2 capscrews and locknuts as shown Figure 5 1 B Place flex link and pivot tube between top of A frame struts Place support yokes on outside of A frame struts Fasten together using 5 8 x 6 cap screw and locknut C Position tailwheel bracket on rear of cutter deck as shown Figure 5 1 Align holes in tailwheel weld ment with holes in support yokes and strongbacks Fasten with 5 8 x 6 capscrew and locknut on the single tailwheel bracket D Place flatwasher on wheel spindle Install wheel on tailwheel weldment securing with roll pin E Bolt adjusting bracket to cutter deck using 5 8 x 2 capscrew and locknut F Place tailwheel frame into desired position and fasten with 1 2 x 1 3 4 capscrews lockwashers and nuts G Install Category lift pins in front holes in mounting brackets and fasten with 1 1 8 fine thread nut and lockwasher Tailwheel Bracket Height Adjusting Bracket Figure 5 1 Assembly Rear Safety Chains Clutch Shield H Attach clutch shield to gearbox as shown in exploded drawing in Figure 5 6 Remove pivot bolt from spline end of clutch Remove inspection cover from clutch shield J Slide clutch onto gearbox input shaft aligning bolt hole with slot in input shaft Fasten
15. NGE THIS LIM ITED WARRANTY IN ANY WAY OR GRANT ANY OTHER WARRANTY UNLESS SUCH CHANGE IS MADE IN WRITING AND SIGNED BY BUSH HOG S SERVICE MANAGER POST OFFICE BOX 1039 SELMA ALABAMA 36702 1039 BOA PE BE AEE HEB EH HET EH HEH TK I HH EK HK He HH Record the model number serial number and date purchased This information will be helpful to your MODEL NUMBER dealer if parts or service are required SERIAL NUMBER MAKE CERTAIN THE WARRANTY REGISTRATION CARD HAS BEEN FILED WITH BUSH HOG DATE OF RETAIL SALE SELMA ALABAMA DEALER PREPARATION CHECK LIST 280 SERIES ROTARY CUTTERS BEFORE DELIVERING MACHINE The following check list should be completed oO 0 N Oa A QQ N gt Q gt Use the Operator s Manual as a guide Assembled completed Gearbox filled with oil All fittings lubricated All shields in place and in good condition All fasteners torqued to specifications given in Torque Chart Slip clutches have been checked for proper operation All decals in place and readable See decal page Overall condition good i e paint welds Operators manual has been delivered to owner and he has been instructed on the safe and proper use of the cutter Purchaser or dealer elects to delete deflectors front belting rear bands front and rear chains Explanation WARNING For Non Agricultural use OSHA ASAE SAE and ANSI standards require the use of Chain Guards or other protective g
16. TION A Remove cotter pin and blade holder assembly retaining nut B Wearing heavy gloves grasp blade holder and pull off shaft If stuck align bolt with access hole in top of cutter deck Using hammer and a piece of pipe strike blade bar Rotate pan ato other blade bolt and strike blade bar Repeat until blade holder comes off Care should be taken not to damage blade bolt threads TO INSTALL A Place blade holder assembly washer and retaining nut on lower shaf Torque nut to 450 ft Ibs 609 7 Nm using a 1 1 2 socket B Using a sledge hammer strike the blade pan firmly on each end on or near the head of the blade bolt several times alternating ends between blows Retighten to 450 ft lbs 609 7 Nm C Install cotter pin It may be necessary to tighten nut slightly to install cotter pin 4 4 BLADE REPLACEMENT Figure 4 2 It is not necessary to remove the complete blade holder assembly to replace the blades Blade bolts are accessible through a hole in the top of the cutter deck Always replace both blades on a spindle using two blades having the same weight Use only gen uine Bush Hog replacement parts A Raise cutter and securely block in position 3 Before Each Use 12 Figure 4 1 Lubrication 6 Before Each Use m Figure 4 2 KESTA Blade Nut Removal gt B Remove nuts from blade bolts using a 1 11 16 socket through the access hole in the deck C Inspect blade bolt shoulde
17. an fasteners used on Bush Hog equipment AMERICAN Recommended Torque in Foot Pounds Newton Meters Bolt Head Markings BOLT DIAMETER EM WRENCH IN B AND SAE SAE SAE SIZE IN A THREAD SIZE GRADE 2 GRADE 5 GRADE 8 7 16 12 16 7 16 1 4 28 UNF 14 18 1 2 5 16 18 UNC 25 33 a e 1 2 5 16 24 UNF 27 87 9 16 3 8 16 UNC 44 60 9 16 3 8 24 UNF 49 66 5 8 7 16 14 UNC 70 95 5 8 7 16 20 UNF 78 106 3 4 1 2 13 UNC 106 144 3 4 1 2 20 UNF 120 163 7 8 9 16 12 UNC 153 207 SAE Grade 5 7 8 9 16 18 UNF 79 107 172 233 3 Dashes 15 16 5 8 11 UNC 97 131 212 287 15 16 5 8 18 UNF 110 149 240 325 1 1 8 3 4 10 UNC 376 509 1 1 8 3 4 16 UNF 420 569 1 5 16 7 8 9 UNC 606 821 1 5 16 7 8 14 UNF 668 905 1 1 2 1 8 UNC 909 1232 1 1 2 1 12 UNF 995 1348 1 1 2 1 14 UNF 1019 1381 1 11 16 1 1 8 7 UNC 795 1077 1288 1745 1 11 16 1 1 8 12 UNF 890 1206 1444 1957 1 7 8 1 1 4 7 UNC 1120 1518 1817 2462 1 7 8 1 1 4 12 UNF 1241 1682 2013 2728 2 1 16 1 3 8 6 UNC 655 887 1470 1992 2382 3228 2 1 16 1 3 8 12 UNF 746 1011 1672 2266 2712 3675 2 1 4 1 1 2 6 UNC 870 1179 1950 2642 3161 4283 2 1 4 1 1 2 12 UNF 979 1327 2194 2973 3557 4820 Proper torque for metric fasteners used on Bush Hog equipment Recommended torque in foot pounds newt
18. ar discharge shields deflec tors at their option Refer to WARNING in Section 3 3 NOTE All references made to right left front rear top or bottom are as viewed facing the direction of forward travel with implement properly attached to tractor Table 1 Technical Specifications SERIES 285 286 287 Cutting Width 5 6 7 Transport Width 66 78 90 Length 103 115 127 Hitch 3 Point Category 3 Point Category 3 Point Category amp 2 Cat II Pins Optional Cat II Pins Optional Standard amp Quick Hitch Cutting Height 1 1 2 10 1 2 1 1 2 10 1 2 1 1 2 10 1 2 Cutting Capacity 2 Diameter 2 Diameter 2 Diameter Driveshaft ASAE Category 4 ASAE Category 4 ASAE Category 4 Gearbox 540 RPM 90 HP 540 RPM 90 HP 540 RPM 90 HP Blades 1 2 x 4 Uplift 1 2 x 4 Uplift 1 2 x 4 Uplift Blade Tip Speed 12 397 fpm 14 877 fpm 14 420 fpm Blade Holder Round Round Round Top Deck 10 Ga Steel 10 Ga Steel 10 Ga Steel Side Bands 1 4 x 8 1 4 x 8 1 4 x 8 Minimum Tractor HP 30 40 50 Front amp Rear Deflectors Belting is standard chain deflectors are optional Wheels Laminated Laminated Laminated Approximate Weight Ibs 794 lbs 1 2 962 lbs 1 2 1247 lbs 1 3 1 Weight includes deflector chains front amp rear 2 Single tailwheel 3 Dual tailwheel 7 SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTIC
19. asher and nut Torque to 30 ft lbs M Loosen eight nuts retaining clutch springs 1 3 turn or until spring can be turned with fingers N With tractor at idle speed engage tractor PTO drive 2 3 seconds Clutch should slip with out turning blades O Retighten nuts to original position If adjust ment is necessary refer to Section 4 6 A WARNING A OVER TIGHTENING SPRING NUTS MAY CAUSE DAMAGE TO IMPLEMENT AND OR TRACTOR DUE TO INCORRECT SLIP CLUTCH TORQUE SETTING ALWAYS FOLLOW THE PROPER ADJUSTMENT PROCEDURE P Fill gearbox with EP80W 90 gear oil to check plug on rear of gearbox Allow time for oil to seep through bearings into lower housing Replace temporary plug with vent plug supplied in operator s manual package Clutch Shield Lift Pins Driveline Figure 5 3 Front View of Model 287 Lower Hitch Points Category 2 7 8 Spacer not used on Cat 1 2 3 4 x 1 1 2 Spacer Used Pt A Category Il 2 7 8 x 1 1 8 Spacer 2 3 4 x 1 1 2 Spacer ra im 5 3 SEMI MOUNT MODEL 287 A For mounting dual tailwheels position tailwheel brackets at the rear tubes located in the strong backs Figure 5 2 Align holes in tailwheel weld ment with holes in strongback Install pivot bushings and fasten with 3 4 x 8 capscrews and flange lock nuts Pin ratchet or lift cylinder 8 stroke to axle and deck assembly B Place flatwashers on wheel spindles Install wheels on tailwheel weldm
20. ck as shown Fig 5 1 Align holes in tailwheel weldment with holes in support yokes and strongback tubes tubes located closest to the gearbox Fasten with the 5 8 x 8 capscrews flatwasher and locknut D Place flatwasher on wheel spindle Install wheel on tailwheel weldment securing with roll pin E Bolt adjusting bracket to cutter deck using 5 8 x 2 capscrew and locknut F Place tailwheel frame into desired position and fasten with 1 2 x 1 3 4 capscrews lockwashers and nuts G For mounting dual tailwheels position tailwheel bracket at the rear tubes located in the strongbacks Fig 5 2 Align holes in tailwheel weldment with holes in strongback Install pivot bushings and fas ten with 3 4 x 8 capscrews and flange locknuts Pin ratchet or lift cylinder 8 stroke to axle and deck assembly H Place flatwashers on wheel spindles Install wheels on tailwheel weldment securing with roll pins Figure 5 2 Model 287 Dual Tailwheel Bracket Tailwheel Assembly Rear Safety Chains Hydraulic Cylinder Or Ratchet Adjuster Install lift pins and spacers according to Fig 5 3 Fasten lift pin with klick pin J Attach clutch shield to gearbox as shown in exploded drawing in Figure 5 6 K Remove pivot bolt from spline end of clutch Remove inspection cover from clutch shield L Slide clutch onto gearbox input shaft aligning bolt hole with slot in input shaft Fasten with pivot bolt lockw
21. e running to be properly serviced or maintained in which case the employer shall instruct employees as to all steps and procedures which are necessary to safely service or maintain the equipment Make sure everyone is clear of machinery before starting the engine engaging power or operating the machine EMPLOYEE TRACTOR OPERATING INSTRUCTIONS 1 Securely fasten your seat belt if the tractor has a 5 Watch where you are going especially at row ROPS ends on roads and around trees 2 Where possible avoid operating the tractor near 6 Do not permit others to ride ditches embankments and holes 7 Operate the tractor smoothly no jerky turns 3 Reduce speed when turning crossing slopes and starts or stops on rough slick or muddy surfaces 8 Hitch only to the drawbar and hitch points recom 4 Stay off slopes too steep for safe operation mended by tractor manufacturers 9 When tractor is stopped set brakes securely and use park lock if available Child Labor Under 16 Years Old Some regulations specify that no one under the age of 16 may operate power machinery It is your responsibility to know what these regulations are in your own area or situation Refer to U S Dept of Labor Employment Standard Administration Wage amp Home Division Child Labor Bulletin 102 SECTION INTRODUCTION AND DESCRIPTION 1 1 INTRODUCTION We are pleased to have you as a Bush Hog cus tomer Your 280 Series Rotary Cutter has been
22. e 4 3 If necessary adjust nut on any spring that is unequal Adjust all eight spring retaining nuts 1 3 of a turn 2flats on a nut and check clutch slippage If further adjustment is neces sary do so in 1 3 turn increments Adjust only to provide sufficient torque to prevent slippage under normal conditions Occasional slippage is normal for drivetrain protection If satisfactory results cannot be obtained consult your Bush Hog dealer IMPORTANT Do not overtighten nut and cause spring to become solid as this will cause shaft to fail Figure 4 3 La S Spring Length MODEL SPRING LENGTH 285 amp 286 1 3 32 or 27 6 mm 287 1 1 8 or 28 5 mm Table 4 1 General Troubleshooting PROBLEM Uneven Cut PROBABLE CAUSE Cutter not level side to side REMEDY See SECTION II Stripping or Windrowing Noisy Cutter Rapid Blade Wear Cutting Edge Rapid Blade Wear Bolt Hole Poor Shredding Job Cutter Vibration Worn or bent blades Possible build up of material under cutter Cutter not level Worn blades Loose components Low oil in gearboxes Blade contacting the ground Cutter not being operated at rated RPM speed Too much ground speed Incorrect deck tilt Excessive ground speed Worn blades Cutter not being operated at rated RPM speed Possible build up of material on blade pan Broke blade Blades unequal weight 13 Replace blades per paragraph 4 4 Clean cutter Refe
23. ent securing with roll pins C Refer to Figure 5 3 and arrange lift pin and spacers as shown Fasten lift pin with klick pin D Attach clutch shield to gearbox as shown in exploded drawing in Figure 5 6 E Remove pivot bolt from splined end of clutch Remove inspection cover from clutch shield F Slide clutch onto gearbox input shaft aligning bolt hole with slot in input shaft Fasten with pivot bolt lockwasher and nut Torque to 30 ft lbs G Loosen eight nuts retaining clutch springs 1 3 turn or until spring can be turned with fingers H With tractor at idle speed engage tractor PTO drive 2 3 seconds Clutch should slip with out turning blades Retighten nuts to original position If adjust mentis necessary refer to Section4 6 A WARNING A OVER TIGHTENING SPRING NUTS MAY CAUSE DAMAGE TO IMPLEMENT AND OR TRACTOR DUE TO INCOR RECT SLIP CLUTCH TORQUE SETTING ALWAYS FOLLOW THE PROPER ADJUSTMENT PROCEDURE J Fill gearbox with EP80W 90 gear oil to check plug on rear of gearbox Allow time for oil to seep through bearings into lower housing Replace temporary plug with vent plug supplied in operator s manual package 5 4 QUICK HITCH MODEL 287 Refer to Figure 5 2 and Photo in Section Il Preparation For Use Also refer to exploded drawing on page 21 A Attach A frame struts to mounting brackets using 5 8 x 2 capscrews and locknuts B Top plates can be secured to the A frame struts using two 5
24. ies to persons by rotating drivelines Make certain deflector shields chains bands etc are in good repair to minimize injuries to persons by the discharge of the high speed thrown objects If A WARNING A ALL ROTARY CUTTERS HAVE THE ABILITY TO DISCHARGE OBJECTS AT HIGH SPEEDS WHICH COULD RESULT IN SERIOUS INJURY TO BYSTANDERS OR PASSERS BY THEREFORE THIS CUTTER IS NOT TO BE OPERATED ALONG HIGHWAYS OR IN ANY AREA WHERE PEOPLE MAY BE PRESENT UNLESS ALL SIDES OF THE UNIT ARE ENCLOSED BY PERMANENT BANDS SAFE TY CHAINS OR OTHER FACTORY APPROV ED SAFETY SHIELDS THAT ARE IN GOOD REPAIR CEASE MOWING WHENEVER ANY ONE COMES WITHIN THE OPERATING AREA 3 4 TRANSPORTING When implement is transported on road or highway day or night use tractor flashing warning lights unless prohib ited by law A slow moving vehicle SMV sign must be visible from the rear by approaching vehicles Do not exceed 15 mph 24kph when traveling Fully raise implement before transporting SECTION IV iks O 3 Inspect wheel s for wear damage or foreign objects Repair or replace if necessary Perform BEFORE EACH USE lubrication per para graph 4 2 During operation listen for abnormal sounds which might indicate loose parts damaged bearings or other damage AFTER EACH USE Clean all debris from machine especially underside of deck and affixed safety decals Replace any missing or illegible decals Inspect cutter for w
25. lades 12 This cutter is not to be operated along highways or in any area where people may be present unless all sides of the unit are enclosed by permanent bands safety chains or other factory approved safety shields that are in good repair 13 Wear personal protective equipment such as but not limited to protection for eyes ears feet hands and head when operating or repairing the equipment Do not wear loose clothing or jewelry that may catch on equipment moving parts 14 When performing adjustments or maintenance on the cutter first lower it to the ground or block it securely at a workable height 15 Never stand between tractor and cutter while tractor is being backed to the cutter hitch 16 Reduce speed when transporting cutter to avoid bouncing and momentary loss of steering 17 Use tractor flashing warning lights day or night when transporting cutter on road or highways unless prohibited by law 18 In the event that someone other than yourself will operate this equipment we firmly suggest that all SAFETY references be discussed prior to operation 19 It is recommended that tractor be equipped with Rollover Protective System ROPS and seat belt be used in all mowing operations IMPORTANT FEDERAL LAWS AND REGULATIONS CONCERNING EMPLOYERS EMPLOYEES AND OPERATIONS This section is intended to explain in broad terms the concept and effect of the following federal laws and regulations It is not intended as a legal i
26. lockwashers and nuts Figure 5 4 5 6 REAR BAND INSTALLATION A Align deflector band with holes in rear band of deck B Fasten with 3 8 x 1 capscrews flatwashers lockwashers and nuts Figure 5 4 5 7 FRONT CHAIN INSTALLATION A Align front chain assembly bracket with holes in front lip of deck B Fasten with 3 8 x 3 capscrews flatwashers lockwashers and nuts Figure 5 5 5 8 REAR CHAIN INSTALLATION A Align rear chain assembly bracket with holes in rear band of deck B Fasten with 3 8 x 1 1 4 capscrews flatwash ers lockwashers and nuts Figure 5 5 A caution A USE ONLY FACTORY APPROVED CHAIN GUARDS A WARNING FOR NON AGRICULTURAL USE OSHA ASAE SAE AND ANSI STANDARDS REGUIRE THE USE OF CHAIN GUARDS OR OTHER PROTECTIVE GUARDS AT ALL TIMES BUSH HOG STRONGLY RECOM MENDS THE USE OF SUCH GUARDS FOR AGRICULTURAL USES AS WELL TO REDUCE THE RISK OF PROPERTY DAM AGE SERIOUS BODILY INJURY OR EVEN DEATH FROM OBJECTS THROWN OUT OR FROM CONTACT WITH THE CUTTING BLADES Figure 5 6 Clutch Shield Shield Mount Rear Band Figure 5 4 a Ta Belting Clamp Front Belting Rear Mount Bracket Retaining Figure 5 5 Chains Front Mount x Bracket A Retaining Rod Chains a Gearbox e a Capscrew 2 Flatwashers and Locknut Locknut should be tightened enough to prevent rattling but loose enough to allow raising the shield Patched Capscrew and Flatwasher
27. ning opera tion clear work area of objects that may be picked up and thrown Check for ditches stumps holes or other obstacles that could upset tractor or damage cutter Always turn off tractor engine set parking brake and allow cutter blades to come to a complete stop before dismounting tractor 3 2 ADJUSTING FOR WORK The cutter should be operated at the highest position which will give desired cutting results This will help prevent the blades from striking the ground reducing blade wear and undue strain on the machine For best results under heavier cutting conditions always tilt the cutter approximately 2 inches 51mm lower in the front This tilt decreases horsepower require ments and increases potential ground speed When fine shredding is desired adjust cutter deck level or slightly lower in the rear This will keep the foliage under cutter until thoroughly shredded More power is required for shredding 3 2 1 CUTTING HEIGHT ADJUSTMENT A WARNING A THE CUTTER CAN FALL FROM HYDRAULIC SYSTEM FAILURE TO AVOID SERIOUS INJURY OR DEATH SECURELY SUPPORT CUTTER BEFORE WORKING UNDERNEATH A WARNING A AVOID PLACING HANDS FEET OR ANY OTHER BODY PARTS BENEATH THE CUTTER WHILE MAKING HEIGHT ADJUSTMENTS The cutting height may be adjusted from 1 1 2 to 10 1 2 by selecting the appropriate holes in the adjusting bracket on the single tailwheel bracket Figure 3 1 Tailwheel Frame Adjusting Bracket 10
28. nterpretation of the laws and should not be considered as such U S Public Law 91 596 The Williams Steiger Occupational and Health Act of 1970 OSHA This Act Seeks to assure so far as possible every working man and woman in the nation safe and healthful working conditions and to preserve our human resources DUTIES Sec 5 a Each employer 1 shall furnish to each of his employees employment and a place of employment which are free from recognized hazards that are causing or are likely to cause death or serious physical harm to his employees 2 shall comply with occupational safety and health standards promulgated under this Act b Each employee shall comply with occupational safety and health standards and all rules regulations and orders issued pursuant to this Act which are applicable to his own actions and conduct OSHA Regulations Current OSHA regulations state in part At the time of initial assignment and at least annually thereafter the employer shall instruct every employee in the safe operation and servicing of all equipment with which the employee is or will be involved These will include but are not limited to instructions to Keep all guards in place when the machine is in operation Permit no riders on equipment Stop engine disconnect the power source and wait for all machine movement to stop before servicing adjusting cleaning or unclogging the equipment except where the machine must b
29. on Meters WRENCH SIZE ASTM mm A 10 9 8 6 5 8 8 10 11 1 15 aig 27 37 16 53 72 18 93 126 Numbers appearing on bolt heads A Log 14508 indicate ASTM class 2t 16 226 230 912 30 449 608 33 443 600 611 828 Use 75 of the specified torque value for plated 36 563 763 778 1054 fasteners Use 85 of the specificed torque 41 1138 1542 values for lubricated fasteners 46 1547 2096 MODEL 287 QUICK HITCH ASSEMBLY NOTE Pivot arm must be assembled as shown so that it will pivot upward as the hitch assembly flexes Pointed end must be to the top End Pointing Upward Pivot Arm 21 BUSH HOG DIVISION OF AN ALLIED PRODUCTS CORPORATION P O Box 1039 e Selma AL 36702 1039 Telephone 334 872 6261
30. orn or damaged components Repair replace before next use Any replacement components installed during repair shall include the components current safety decals specified by the manufacturer to be affixed to the component Store cutter in a dry place 4 2 LUBRICATION Figure 4 1 NOTE The multi purpose grease referenced in this section is an NLGI Grade 2 type grease Driveline Universal Joints BEFORE EACH USE Apply multi purpose grease with grease gun Wheel Bearings Apply multi purpose grease with grease gun Wheel Pivots Apply multi purpose grease with grease gun Driveline Guard Apply 2 3 shots of multi purpose grease with grease gun to plastic fitting 5 PTO Driveline Disconnect PTO driveline pull the two sections apart apply thin coat of multi purpose grease to inside of outer female sec tion Reassemble sections and install Pull each section to be sure driveline and shields are securely connected Make certain PTO shielding is in good condition 6 Gearbox Add EP80W 90 gear oil as necessary to bring oil level to check plug on side of housing lt 4 Before Each Use 1 Before Each Use 5 Before Each Use To remove yoke shield rotate the two fasteners to allow shield to slide back A WARNING A THE CUTTER CAN FALL FROM HYDRAULIC SYSTEM FAILURE TO AVOID SERIOUS INJURY OR DEATH SECURELY SUPPORT CUTTER BEFORE WORKING UNDERNEATH 4 3 BLADE HOLDER ASSEMBLY REMOVAL AND INSTALLA
31. r for wear Replace if necessary D Assemble new blades to blade holder using blade bolts nuts and lockwashers Tighten nuts to 450 ft Ibs Strike blade bolt head with heavy ham mer to seat then retighten E Check to be sure blades swing 360 freely If blades will not swing freely remove locate problem and repair Operating cutter when blades will not swing freely will cause excessive vibration damaging implement 1 11 16 Socket 4 5 SLIP CLUTCH OPERATIONAL CHECK After implement had been stored for 30 days or more perform the following operational check A Loosen eight nuts retaining clutch springs 1 3 turn or until spring can be turned with fingers B With tractor at idle speed engage tractor PTO drive for 2 3 seconds Clutch should slip without turning blades If clutch does not slip contact your authorized Bush Hog dealer C Retighten nuts to within 1 64 of original posi tion Initial spring length is shown in Figure 4 3 A WARNING AA OVERTIGHTENING SPRING NUTS MAY CAUSE DAMAGE TO IMPLEMENT AND OR TRACTOR DUE TO INCORRECT SLIP CLUTCH TORQUE SETTING ALWAYS FOLLOW THE PROPER ADJUSTMENT PROCEDURE 4 6 SLIP CLUTCH ADJUSTMENT The slip clutch is factory preset to the correct torque for protecting implement and tractor Periodic adjustment is recommended refer to section 4 5 Should adjustment be needed first check to be sure all spring lengths are the same Initial spring length is shown in Figur
32. r to Section Il Replace per paragraph 4 4 Check al bolts for tightness per paragraph 20 Check for proper oil level Refer to paragraph 4 2 Adjust cutter to operate at a height that will eliminate ground contact Reduce ground speed Set tractor throttle for proper PTO speed Use lower gear Adjust per paragraph 3 2 Reduce ground speed Replace blades per paragraph 4 4 Set tractor throttle for proper PTO speed Clean blade pan Replace blades per paragraph 4 4 Replace blades per paragraph 4 4 PRE ASSEMBLY SAFETY PRECAUTIONS A caution A THE FOLLOWING SAFETY PRECAUTIONS SHOULD BE THOROUGHLY UNDERSTOOD BEFORE ATTEMPTING MACHINE ASSEMBLY Wear personal protective equipment such as but not limited to protection for eyes ears feet hands lungs and head when assembling the equipment Do not wear loose clothing or jewelry that may catch on equipment moving parts Do not lift heavy parts or assemblies Use crane jack tackle fork trucks or other mechanical devices Select an area for assembly that is clean and free of any debris which might cause persons working on the assembly to trip Arrange parts to be assembled neatly in the work area and have tools or other mechanical assisting devices in easy reach Inspect all parts and assemblies thoroughly and remove any sharp edges grease oil or dirt which might cause pieces to slip when handling Preview the assembly instructions in your operator s manual befo
33. re proceeding further If the assembly instructions call for parts or assemblies to be blocked up use only blocking material that is in good condition and is capable of handling the weight of the assembly to be blocked Also insure that the blocking material is on a clean dry surface Never put hands or any other part of body under blocked up assemblies if at all possible Always wear goggles or safety glasses when hammering grinding or drilling metal parts If the assembly calls for welding or cutting be sure that there are no flammable materials close at hand and that bystanders have taken necessary precautions AFTER COMPLETING ANY ASSEMBLY STEP THOROUGHLY READ THE NEXT STEP IN THE ASSEMBLY INSTRUCTIONS BEFORE PROCEEDING WITH THAT STEP 11 After completing assembly thoroughly inspect the machine to be sure that all nuts bolts hydraulic fittings or any other fastened assemblies have been thoroughly tightened 12 After completing assembly be sure that all safety locking devices or guards are in place 13 Before operating the machine thoroughly read the operation section of this manual 14 Before operating read the maintenance section of this manual to be sure that any parts requiring lubrication have been properly lubricated BEFORE OPERATING THE EQUIPMENT IF YOU HAVE ANY QUESTIONS REGARDING THE PROPER ASSEMBLY OR OPERATION CONTACT YOUR AUTHORIZED BUSH HOG DEALER OR REPRESENTATIVE Tailwheel SECTION V ASSEMBLY
34. riveline has less than minimum overlap do not use Contact authorized Bush Hog dealer Figure 2 4 Minimum Overlap 150 ise NOTE If driveline is the correct length omit the following steps I through L and proceed to step M Clamp driveline in a well padded vice to pre vent damage to the shield Cut off shield where marked Figure 2 5 Figure 2 5 J Using cut off section of shield as a guide cut shaft the same amount Figure 2 6 Figure 2 6 K Repeat steps I and J to other driveline section L Deburr ends of driveline sections and clean away all chips and filings Figure 2 7 M Apply multi purpose grease to inside of outer female driveline section Assemble driveline and install on tractor and cutter Pull on each driveline section to be sure yokes lock into place Make certain driveline shielding is in place and in good condition N Adjust lower lift arm s to level cutter right to left Refer to tractor operator s manual for instructions NOTE After attaching driveline to tractor attach driveline shield chains from both ends of driveline shielding to stationary locations SECTION Ill OPERATING INSTRUCTIONS 3 1 GENERAL SAFETY Only qualified people should operate this machine Operator should wear hard hat safety glasses and safety shoes It is recommended that tractor be equipped with Rollover Protective Systems ROPS and a seat belt be used Before begin
35. s in tailwheel weld ment with holes in strongback Install pivot bush ings and fasten with 3 4 x 8 capscrews and flange locknuts Pin ratchet or lift cylinder to axle and deck assembly K Install lift pins and spacers according to Figure 5 3 Fasten lift pin with klick pin L Attach clutch shield to gearbox as shown in exploded drawing in Figure 5 6 M Remove pivot bolt from splined end of clutch Remove inspection cover from clutch shield N Slide clutch onto gearbox input shaft aligning bolt hole with slot in input shaft Fasten with pivot bolt lockwasher and nut Torque to 30 ft lbs O Loosen eight nuts retaining clutch springs 1 3 turn or until spring can be turned with fingers P With tractor at idle speed engage tractor PTO drive 2 3 seconds Clutch should slip without turning blades Q Retighten nuts to original position If adjust ment is necessary refer to Section 4 6 A WARNING A OVER TIGHTENING SPRING NUTS MAY CAUSE DAMAGE TO IMPLEMENT AND OR TRACTOR DUE TO INCORRECT SLIP CLUTCH TORQUE SETTING ALWAYS FOLLOW THE PROPER ADJUSTMENT PROCEDURE N Fill gearbox with EP80W 90 gear oil to check plug on rear of gearbox Allow time for oil to seep through bearings into lower housing Replace temporary plug with vent plug supplied in operator s manual package 5 5 FRONT BELTING INSTALLATION A Align belting and clamp with holes in front lip of deck B Fasten with 3 8 x 3 1 2 capscrews flatwash ers
36. tter to maintain a constant maximum blade speed Do not exceed 5 mph 8kph PTO drive is disengaged due to cutter stalling or tractor engine bogging cutter must be moved to a cut area and tractor throttle reduced to idle before re engaging Always cut up and down the face of slopes never across 4 1 MAINTENANCE CHECK LIST Perform scheduled maintenance as outlined below Lower machine to ground turn off tractor and set parking brake before doing maintenance inspections or work Some checks may require raising machine off ground and supporting with blocks All bolts should be torqued as recommended in the torque specifications chart unless otherwise indicated ND 66 S OI D Check tractor tire air pressure A WARNING A THE CUTTER CAN FALL FROM HYDRAULIC SYSTEM FAILURE TO AVOID SERIOUS INJURY OR DEATH SECURELY SUPPORT CUTTER BEFORE WORKING UNDERNEATH BEFORE EACH USE Refer to tractor operator s manual Check blades and spindle to be sure that no for eign objects such as wire or steel strapping bands are wrapped around them Check blade bolts for tightness Tighten to 450 ft Ilbs 609 Nm Inspect blades for wear Replace if necessary per paragraph 4 4 Always replace both blades on spindle with two blades equal in weight Use only genuine Bush Hog replacement parts Make certain driveline shields are in place and in good repair to minimize entanglement injur
37. uards at all times Bush Hog strongly recommends the use of such guards for Agricultural uses as well to reduce the risk of property damage serious bodily injury or even death from objects thrown out by or from con tact with the cutting blades Dealer s Signature Purchaser s Signature THIS CHECKLIST TO REMAIN IN OWNER S MANUAL It is the responsibility of the dealer to complete the procedures listed above before delivery of this implement to the customer IMPORTANT SAFETY PRECAUTIONS This symbol is used to call attention to safe ty precautions that should be followed by the operator to avoid accidents When you see this symbol carefully read the message that follows and heed its advice Failure to comply with safety precautions could result in serious bodily injury In addition to the design and configuration of equipment hazard control and accident prevention are depen dent upon the awareness concern prudence and proper training of personnel in the operation transport maintenance and storage of equipment Lack of attention to safety can result in accident personal injury reduction of efficiency and worst of all loss of life Watch for safety hazards and correct deficiencies prompt ly Use the following safety precautions as a general guide to safe operations when using this machine Additional safety precautions are used throughout this manual for specific operating and maintenance proce dures Read this manual and re
38. view the safety precautions often until you know the limitations 1 Read the Operator s Manual Failure to read the Operator s Manual is considered a misuse of this equipment 2 Become familiar with all the machine s controls and all the caution warning and danger decals affixed to the machine before attempting to start or operate 3 Before starting or operating the machine make a walk around inspection and check for obvious defects such as loose mounting bolts and damaged components Correct any deficiency before starting Do not allow children to operate the cutter Do not allow adults to operate it without proper instruction Do not carry passengers 6 Keep the area of operation clear of all persons particularly small children and pets The operator should cease mowing whenever anyone comes within the operating area 7 Clear the work area of objects which might be picked up and thrown 8 Use a piece of cardboard or wood rather than hands to search for hydraulic leaks Escaping hydraulic oil under pressure can penetrate skin If fluid is injected into the skin it must be surgically removed within a few hours by a doctor familiar with this form of injury or gangrene may result 9 Do not operate without all guards and shields in place and in good condition 10 Lower implement to ground stop tractor engine apply parking brake and allow blades to completely stop before leaving the tractor 11 Keep hands and feet away from b
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