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®
BUSH HOG
RFM 60
Rear Finishing Mower
Operator’s Manual
ASSEMBLY l l OPERATION l l MAINTENANCE
04/09 Rev. 1 $4.00
50050226
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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. Orde
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RFM 60 Operator’s Manual TABLE OF CONTENTS SECTION/PARA PAGE SECTION/PARA PAGE Warranty . . . . . . . . . . . . . . . . . . . . . . . . . .2 3-3 Operation . . . . . . . . . . . . . . . . . . . . . .10 3-4 Transporting . . . . . . . . . . . . . . . . . . . .10 Dealer Preparation Check List . . . . . . . . .3 Safety Precautions . . . . . . . . . . . . . . . . . .4 IV MAINTENANCE . . . . . . . . . . . . . . . . . . . .11 Federal Laws and Regulations . . . . . . . . .6 4-1 Maintenance Check List . .
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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. Model RFM gearboxes are covered by a five (5) year limited warranty period. The obligation of Bush Hog to the purchas
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DEALER PREPARATION CHECK LIST RFM 60 Finishing Mowers BEFORE DELIVERING MACHINE — The following check list should be completed. Use the Operator’s Manual as a guide. r 1. Assembled completed. r 2. Gearboxes filled with oil. r 3. All fittings lubricated. r 4. All shields in place and in good condition. r 5. All fasteners torqued to specifications given in Torque Chart r 6. All decals in place and readable. (See decal page.) r 7. Overall condition good (i.e. paint, welds) r 8. Operators manual has
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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 seri- ous bodily injury. Safety Signs Signal Words The signal words DANGER, WARNING, AND CAUTION are used on the equipm
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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 fol- lows and heed its advice. Failure to comply with safety precautions could result in death or 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 o
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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: “...to assure so far as possible every working man and woman in the nation safe and health
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SECTION I INTRODUCTION AND DESCRIPTION suction during operation to lift the grass before cut- 1-1 INTRODUCTION ting it. The four caster wheel arrangement, along We are pleased to have you as a Bush Hog cus- with the floating top lift linkage work together to give tomer. Your RFM Rotary Cutter has been carefully an even cut and minimize scalping. designed to give maximum service with minimum Power from the tractor is transmitted through a trian- down time.This manual is provided to give you the
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SECTION II PREPARATION FOR USE 2-1 ATTACHING TO TRACTOR NOTE Due to the many variations in trac- tor/implement hitch points and corre- WARNING sponding differences in distances between NEVER STAND BETWEEN TRACTOR tractor PTO shafts and implement input AND CUTTER WHILE TRACTOR IS shafts, drivelines may need to be short- BEING BACKED TO HITCH. ened as described in the following steps: WARNING B. Raise and lower cutter to determine position ADDITIONAL TRACTOR FRONT with shortest distance between t
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G. Clamp end of driveline in a vice. Cut off shield Figure 2-5 where marked. (Figure 2-3). Figure 2-3 DANGER MAKE CERTAIN DRIVELINE YOKES ARE SECURELY FASTENED. FAILURE H. Using cut off section of shield as a guide, cut TO DO SO MAY RESULT IN SERIOUS shaft the same amount. (Figure 2-4) INJURY. Figure 2-4 L. Raise cutter off ground and adjust lower lift arms to level cutter right to left. Refer to tractor oper- ator’s manual. M. Lower cutter to work position. Adjust tractor top link to position
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SECTION III OPERATING INSTRUCTIONS Figure 3-1 3-1 GENERAL SAFETY Only qualified people familiar with this operator’s manual and tractor operator’s manual should oper- ate this machine. Operator should wear hard hat, safety glasses and safety shoes. The operator Spacers should read, understand and practice all safety mes- sages shown on the caution, warning and danger Caster decals affixed to the cutter to avoid serious injury or Wheel death. Use ROPS (Rollover Protective Structures) and seat bel
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SECTION IV MAINTENANCE 8.During operation, listen for abnormal sounds 4-1 MAINTENANCE CHECK LIST which might indicate loose parts, damaged bearings, Perform scheduled maintenance as outlined below. or other damage. Correct any deficiency before con- Lower implement to ground, turn off tractor, and set tinuing operation. parking brake before doing maintenance inspections or work. Some checks may require raising machine AFTER EACH USE off ground and supporting with blocks. All bolts 1. Clean all d
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40 HOURS increasing or decreasing the length of the spring on 7. Spindle Assembly - Apply 3 shots of multi- the moveable idler. For proper belt tension on the purpose grease with grease gun every 40 hours. mower, the spring length should be 6-3/4” (Figures 4-2 & Grease fittings for spindles are accessible 4-3) To adjust the spring length, loosen or tighten the through holes in the shields. 5/16” hex nut on the spring adjustment rod until the cor- rect spring length is reached. 4-3 BELT ADJUSTME
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Figure 4-4 Blade Placement 4-5 BLADE REPLACEMENT CAUTION Spindle Assembly WEAR HEAVY WORK GLOVES TO PRO- TECT HANDS FROM SHARP EDGES. A. Raise cutter using tractor 3-point lift and SECURELY BLOCK INTO POSITION. B. Turn off tractor, set parking brake and remove key. C. Remove bolt and cup washer securing blade Blade to spindle. Remove blade. D. Install new blade as shown in Figure 4-4 with concave side of cup washer against blade. Be sure that blades are installed with offset in proper direc- C
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SECTION V DEALER ASSEMBLY CAUTION AFTER COMPLETING ANY ASSEMBLY STEP, THE FOLLOWING SAFETY PRECAUTIONS THOROUGHLY READ THE NEXT STEP IN THE SHOULD BE THOROUGHLY UNDERSTOOD ASSEMBLY INSTRUCTIONS BEFORE PRO- BEFORE ATTEMPTING MACHINE ASSEMBLY. CEEDING WITH THAT STEP. 1. Wear personal protective equipment such as, 11. After completing assembly, thoroughly inspect but not limited to, protection for eyes, ears, feet, the machine to be sure that all nuts, bolts, hydraulic hands, lungs and head when as
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E. Fasten mast supports and upper flex link to lynch pin retainers. With weight of cutter resting on mast halves using 1/2 x 5” capscrew, pivot tube and all four wheels, ensure that cutter is level. Tighten all locknut. bolts on mounting brackets. F. Place two long spacers on the caster stems G. Fill gearbox with EP80W-90 gear oil until and insert into caster arms. Place two long spacers oil level is at check plug on side of gearbox and two short spacers on the caster stem above the housing. (Ca
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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. 50042283 50042285 50042282 50012616 78608 78786 83056 IMPLEMENT CAN FALL FROM HYDRAULIC SYSTEM RELEASE. TO AVOID SERIOUS INJURY OR DEATH: SHUT
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TORQUE SPECIFICATIONS Proper toque for American fasteners used on Bush Hog equipment. Recommended Torque in Foot Pounds (Newton Meters).* AMERICAN BOLT DIAMETER Bolt Head Markings WRENCH (IN.) “B” AND SAE SAE SAE SIZE (IN.) “A” THREAD SIZE GRADE 2 GRADE 5 GRADE 8 7/16 1/4 - 2O UNC 6 (7) 8 (11) 12 (16) 7/16 1/4 - 28 UNF 6 (8) 10 (13) 14 (18) 1/2 5/16 - 18 UNC 11 (15) 17 (23) 25 (33) SAE Grade 2 1/2 5/16 - 24 UNF 13 (17) 19 (26) 27 (37) (No Dashes) 9/16 3/8 - 16 UNC 20 (27) 31 (42) 44 (60) 9/16 3/
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l l 2501 Griffin Avenue Selma, AL 36703 l l Telephone (334) 874-2700 www.bushhog.com
