BUSH HOG ® RZ 60 Rotary Cutter Operator’s Manual OPERATION l MAINTENANCE 907 $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.
RAZORBACK ROTARY CUTTER TABLE OF CONTENTS SECTION/PARA PAGE IV.MAINTENANCE ..................................10 4-1 Maintenance Check List ................10 4-2 Lubrication .....................................10 4-3 Blade Replacement ......................11 4-4 Shear Bolt Replacement................11 4-5 Blade Holder & Gearbox Removal ......11 4-6 Blade Holder & Gearbox Installation..11 4-7 Troubleshooting .............................12 V. ASSEMBLY.........................................
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 RAZORBACK 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. Assembled 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. All decals in place and readable. (See decal page.) 7. Overall condition good (i.e. paint, welds) 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.
SECTION I INTRODUCTION AND DESCRIPTION NOTE All references made in this manual to right, left, front, rear, top, and bottom are as viewed as facing the direction of forward travel with implement properly attached to tractor. 1-1 INTRODUCTION We are pleased to have you as a Bush Hog customer. Your Razorback Rotary Cutter has been carefully designed to give maximum service with minimum down time.
SECTION II PREPARATION FOR USE NOTE Tractor should have 25 -35 PTO horsepower. It is recommended that front end ballast, wheel weights and/or fluid in tires be used to increase stability. F. Hold driveline sections parallel to each other and check for minimum 5 inches (15cm) overlap. (Figure 2-2) 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. A.
H. Using cut of section of shield as a guide, cut shaft the same amount. (Figure 2-4) I. Repeat steps “G” and “H” to other driveline section. J. Deburr ends of driveline sections and clean away all chips and filings. (Figure 2-5) K. 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. L.
Figure 3-1 Cutting Height Adjustment DANGER STAY CLEAR OF ROTATING DRIVELINE DO NOT OPERATE WITHOUT DRIVELINE SHIELDS IN PLACE AND IN GOOD CONDITION. FAILURE TO HEED THESE WARNINGS MAY RESULT IN PERSONAL INJURY OR DEATH. DANGER ROTATING CUTTER BLADES. STAND CLEAR UNTIL ALL MOTION HAS STOPPED.
SECTION IV MAINTENANCE AFTER EACH USE 1. Clean all debris from machine especially underside of deck. When cleaning underside of deck, SECURELY BLOCK MACHINE INTO POSITION. (Figure 3-1) 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. All bolts should be torqued as recommended in the Torque Specifications unless otherwise indicated.
4-3 BLADE REPLACEMENT WARNING 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. To maintain proper balance always replace both blades on a blade holder using two blades having the same weight. Use only genuine Bush Hog replacement blades. (Figure 4-3) Figure 4-3 Shear Bolt FAILURE TO USE CORRECT SIZE SHEAR BOLT MAY CAUSE PERSONAL INJURY OR DEATH.
E. Install cotter pin to retain nut. It may be necessary to slightly loosen nut to install cotter pin. F. Slide driveline yoke onto gearbox input shaft. Install retaining clip and shear bolt. 4-7 TROUBLESHOOTING Troubleshooting procedures are listed in Table 4-2. 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.
SECTION V DEALER ASSEMBLY Figure 5-1 Pivot Arm Yoke Halves Figure 5-2 Tailwheel Assembly 5/8” x 2” Capscrews, Bushings & Locknuts Yoke Halves Pivot Arm Driveline Mast Strut 5-1 BASE UNIT ASSEMBLY A. During shipping the yoke halves will be fastened to the bolts at the bottom of the mast halves. Remove the nuts and detach the yoke halves from the mast struts. B.
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 t e m Dia Wrench Size “A” B O L T D IA M E T E R (IN .) “ B ” A N D T H R E A D S IZ E SAE GRADE 2 7/16 1/4 - 2O UNC 7/16 1/4 - 28 UNF 1/2 1/2 W RENCH S IZ E (IN .
P.O. Box 1039 l Selma, AL 36702-1039 Telephone (334) 874-2700 l www.bushhog.
