BUSH HOG ® 305/306 SERIES ROTARY CUTTERS Operator’s Manual ASSEMBLY ● OPERATION ● MAINTENANCE 403 $4.00 Part No.
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.
05/306 SERIES ROTARY CUTTERS TABLE OF CONTENTS SECTION/PARA PAGE Warranty.................................................2 Dealer Preparation Check List ...............3 Safety Precautions.................................4 Federal Laws and Regulations ..............5 I. INTRODUCTION & DESCRIPTION ......6 1-1 Introduction ......................................6 1-2 Description.......................................6 II. PREPARATION FOR USE.....................7 2-1 Attaching To Tractor ....................
BUSH HOG® LIMITED WARRANTY ✯✯✯✯✯✯✯✯✯✯✯✯✯✯✯✯✯✯✯✯✯✯✯✯✯✯✯✯✯✯✯ 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.
DEALER PREPARATION CHECK LIST 305/306 SERIES ROTARY CUTTERS BEFORE DELIVERING MACHINE — The following check list should be completed. Use the Operator’s Manual as a guide. ❒ ❒ ❒ ❒ ❒ ❒ ❒ ❒ ❒ ❒ 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.
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 Figure 1-1 Major Components 1-1 INTRODUCTION We are pleased to have you as a Bush Hog customer. Your 305/306 Series Rotary Cutter has been 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 thoroughly. Understand what each control is for and how to use it.
SECTION II PREPARATION FOR USE higher than rear for extra shredding. Shut down tractor. Securely block cutter in position. For further explanation of cutter adjustment, see paragraph 3-2. 2-1 ATTACHING TO TRACTOR WARNING NEVER STAND BETWEEN TRACTOR AND CUTTER WHILE TRACTOR IS BEING BACKED TO HITCH.
Figure 2-3 J. Using cut off section of shield as a guide, cut shaft the same amount. (Figure 2-6) Figure 2-6 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 driveline has less than minimum overlap, do not use. Contact authorized Bush Hog dealer. K. Repeat steps “I” and “J” to other driveline section. L.
SECTION III OPERATING INSTRUCTIONS 3-1 GENERAL SAFETY WARNING 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 beginning operation, 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.
DANGER WARNING 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 OPERATOR FOR ALL MOWING OPERATIONS. ALL ROTARY CUTTERS HAVE THE ABILITY TO DISCHARGE OBJECTS AT HIGH SPEEDS WHICH COULD RESULT IN SERIOUS INJURY TO BYSTANDERS OR PASSERS-BY.
5. PTO Driveline - Disconnect PTO driveline, pull the two sections apart, apply thin coat of multipurpose 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 top of housing.
turning blades. If clutch does not slip, contact your authorized Bush Hog dealer. C. Retighten nuts to within 1/64” of original position. Initial spring length is shown in Figure 4-3. SEAL REPLACEMENT - To replace the seals on your cutter, follow the steps outlined below: 1. Remove the blade holder and universal joint. 2. Knock out old seals. 3. Install new seals. WARNING OVERTIGHTENING SPRING NUTS MAY CAUSE DAMAGE TO IMPLEMENT AND/OR TRACTOR DUE TO INCORRECT SLIP CLUTCH TORQUE SETTING.
Figure 4-5 Tightening Bearings Roll pin being driven in after tightening bearing Old nut being split for removal 4-8 TROUBLESHOOTING PROBLEM Uneven Cut PROBABLE CAUSE Cutter not level side to side. Worn or bent blades. Stripping or Windrowing Possible build-up of material under Clean cutter. cutter. Cutter not level. Refer to Section II. Worn blades. Replace per paragraph 4-4. Noisy Cutter Loose components. Low oil in gearboxes. REMEDY See SECTION II Replace blades per paragraph 4-4.
PRE-ASSEMBLY SAFETY PRECAUTIONS CAUTION THE FOLLOWING SAFETY PRECAUTIONS SHOULD BE THOROUGHLY UNDERSTOOD BEFORE ATTEMPTING MACHINE ASSEMBLY. 1. 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. 2. Do not lift heavy parts or assemblies. Use crane, jack, tackle, fork trucks or other mechanical devices. 3.
SECTION V ASSEMBLY IMPORTANT Tighten all fasteners to specifications on Torque Chart unless otherwise indicated. 5-6 FRONT GUARD ASSEMBLY (Optional) Fasten guard to center front of mainframe using1/2 x 1-1/2” bolts, flatwashers, lockwashers and nuts. 5-1 STANDARD 3-POINT HITCH (Figure 5-1) To attach a standard duty hitch to your cutter: Remove the lift pins and all bolts from the hitch. Install the A-frame struts of the assembly between the mounting brackets on the base frame.
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. WARNING TO AVOID SERIOUS INJURY OR DEATH: • READ OPERATOR'S MANUAL BEFORE OPERATING AND FOLLOW ALL PRECAUTIONS.
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 ter “B e m Dia Wrench Size “A” SAE Grade 8 (6 Dashes) METRIC Wrench Size “A” WRENCH SIZE (IN.) “A” BOLT DIAMETER (IN.
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