BUSH HOG ® 2010/2012 Rotary Cutter Operator’s Manual ASSEMBLY l OPERATION l MAINTENANCE 05/09 Rev.1 $4.
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.
2010/2012 SERIES ROTARY CUTTERS TABLE OF CONTENTS SECTION/PARA PAGE Warranty ................................................2 Dealer Preparation Check List ...............3 Safety Alert Symbols..............................4 Safety Precautions.................................5 Federal Laws and Regulations ..............6 I. INTRODUCTION & DESCRIPTION ......7 1-1 Introduction ......................................7 1-2 Description.......................................7 II. PREPARATION FOR USE .............
LIMITED WARRANTY OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO Bush 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. The obligation of Bush Hog to the purchaser under this warranty is limited to the repair or replacement of defective parts.
DEALER PREPARATION CHECK LIST 2010 / 2012 SERIES ROTARY CUTTERS BEFORE DELIVERING MACHINE — The following check list should be completed. Use the Operator’s Manual as a guide. r r r r r r r r r 1. Assembly completed. 2. Gearbox filled with oil. 3. All fittings lubricated. 4. All shields in place and in good condition. 5. All fasteners torqued to specifications given in Torque Chart. 6. Slip clutches have been checked for proper operation. 7. All decals in place and readable. (See decal page.) 8.
Safety Alert Symbol This Safety Alert Symbol means: “ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED!” This symbol is used to call attention to safety 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 death or serious bodily injury.
IMPORTANT SAFETY PRECAUTIONS This symbol is used to call attention to safety 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.
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 interpretation 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: “...
SECTION I INTRODUCTION AND DESCRIPTION a smooth, even cut and will swing back when a stationary object is hit. A slip clutch on the input driveline and rubber couplings on the cross shafts also dampen the impact of the blades hitting a stationary object. Shock absorbing rubber cushions are mounted between the axle arm and axle arm mounting bracket to reduce shock loads during operation and transporting. These cutters are available with either pull, semi-mount, or three point hitches.
SECTION II PREPARATION FOR USE B. Raise and lower cutter to dettermine 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. C. Pull driveline apart. Attach outer (female) section to tracator PTO shaft. Pull on driveline section to be sure yoke locks into place. D. Hold driveline sections paralled to each other to determine if too long.
Figure 2-4 Cutting Shield G. Clamp driveline in a padded vice to prevent damage to shield. Cut off shield where marked. (Figure 2-4) H. Using cut off section of shield as a guide, cut shaft the same amount . (Figure 2-5) I. Repeat steps “G” and “H” to other driveline section. J. Deburr ends of driveline sections and clean away all chips and filings. (Figure 2-6) K. Apply multi-purpose grease to outside of male driveline section. Assemble driveline and install on tractor and cutter.
Figure 2-8 Tractor Drawbar Adjustment PITCH ADJUSTMENT The pitch of the cutter (front to rear) is controlled by adjusting the linkage rods (Figure 2-9). The pitch adjustment is primarily for compensating for the different height tractor drawbar. NOTE Steps “B” through “D” and “F” should be performed only when the cutter is being attached to a tractor for the first time or if the cutter needs to be leveled from front to rear.
SECTION III OPERATING INSTRUCTIONS 3-1 GENERAL SAFETY B. Make certain jackstand is stored for work. (Pull units only) C. Start tractor per tractor operator’s manual. Lower cutter to desired cutting height. On lift models, floating link should be positioned as shown in Figure 2-7. Only qualified people familiar with this operator’s manual should operate this machine. Operator should wear hard hat, safety glasses and safety shoes.
SECTION IV MAINTENANCE 2. Inspect cutter for worn or damaged components. Repair or 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. 3. Store cutter in a dry place. 4-1 MAINTENANCE CHECK LIST Perform scheduled maintenance as outlined below. Lower implement to ground, turn off tractor, and set parking brake before doing maintenance inspections or work.
(7) 20 Hours Figure 4-1 c (9) 40 Hours (6) Before Each Use (8) 40 Hours 4-4 GEARBOX REMOVAL adding EP80W-90 gear oil, if necessary, to bring oil level to check plug on center and outer gearboxes. 20 HOURS 7. Driveline (Lift & Swing Hitch) - Disconnect driveline, pull the two sections apart, apply thin coat of multi-purpose grease to outside of inner (male) section. Reassemble sections and install. Pull each section to be sure driveline and shields are securely con nected.
4-5 GEARBOX INSTALLATION 4-7 SLIP CLUTCH ADJUSTMENT A. Raise cutter and SECURELY SUPPORT WITH BLOCKS. B. Slide cross shaft as far as possible onto outboard gearbox shaft. C. Rotate gearbox slightly to allow cross shaft to be installed. NOTE: Connect cross shaft to gearboxes insuring that blade pans are timed as shown in Figure 4-3. Incorrect timing will allow blades to hit. Slide cross shaft onto center gearbox shaft until Q.D. pin snaps into place. D. Attach gearbox to cutter deck using 5/8” capscrews.
4-8 TROUBLESHOOTING Troubleshooting procedures are listed in Table 4-2 below. If the problem cannot be solved or replacement parts are necessary, contact your authorized Bush Hog dealer. Please have ready your machine name, model number, serial number, purchase date and exact cause or description of problem. Table 4-2 Troubleshooting PROBLEM Uneven Cut PROBABLE CAUSE Cutter not level side to side. Worn or bent blades. REMEDY See Section II. Replace blades.
F. Install wheel assemblies onto caster hubs. Fasten with collar and roll pin. G. Pin ratchet or hydraulic cylinder to axle and deck assembly. If hydraulic cylinder is used, plumb as shown in Figure 5-2. H. Install lift pins and adapter bushings securing lift pins with linch pin retainers. I. Remove temporary fill plugs and fill gearboxes to oil level check plug with EP80W-90 gear oil. Install vented fill plugs included in Operator’s Manual package. J.
A. Compare each chain assembly to Figure 5-4 to determine location for installation. B. Align holes in chain assembly with those on cutter. Insert carriage bolts through chain assembly and deck. Secure with lockwashers, flatwashers and nuts. C. Attach right and left rear discharge shields to deck assembly using hex bolts. Secure with lockwashers, flatwashers and nuts. 5-2 SEMI-MOUNT MODEL ASSEMBLY NOTE: The semi-mount models assemble the same as lift models except eleminate steps C., D., a.nd E.
5-3 REAR BAND INSTALLATION 5-5 SAFETY TOW CHAIN A. Attach center rear discaharge shield to cutter deck and outer shields using hex bolts, lockwashers, flatwashers and nuts. B. Attach right and left rear discharge shields to deck assembly using hex bolts. Secure with lockwashers, flatwashers and nuts. C. Tighten all nuts. A. Securely attach tow chain to cutter by looping hook end of chain around one side of tongue and back through large link on opposite end of chain.(Figure 5-7) B.
D. Fasten axle arm mount weldments to axle using four 3/4 x 5-1/2” bolts, plates, lockwashers and nuts each. E. Mount wheels on hubs securing with lug nuts. When using laminated tires, the flat side of the lug nut should be against the rim. When using automotive rims, the tapered side of the lug should be against the rim. F. Pin ratchet or hydraulic cylinder to axle and deck assembly. If hydraulic cylinder is used, plumb as shown in Figure 5-2 and route hose through hose holder rod. G.
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.
TORQUE SPECIFICATIONS Proper toque for American fasteners used on Bush Hog equipment. Recommended Torque in Foot Pounds (Newton Meters).* AMERICAN Bolt Head Markings SAE Grade 2 (No Dashes) SAE Grade 5 (3 Dashes) ” lt Bo er “B et m Dia Wrench Size “A” SAE Grade 8 (6 Dashes) METRIC WRENCH SIZE (IN.) “A” BOLT DIAMETER (IN.
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