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®
BUSH HOG
MP5/MP6
MULCH PRO
Operator’s Manual
ASSEMBLY OPERATION MAINTENANCE
798 $4.00
50018726
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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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MP5/6 Operator’s Manual TABLE OF CONTENTS SECTION/PARA PAGE SECTION/PARA PAGE Warranty....................................................3 IV MAINTENANCE .......................................12 4-1 Maintenance Check List.....................12 Dealer Preparation Check List ..................4 4-2 Lubrication..........................................12 Safety Precautions ....................................5 4-3 Belt Adjustment..................................13 Federal Laws and Regulations..
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® 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. The obligation of Bush Hog to the purchaser under this warranty is limited to the repair or replacement of defective parts. Replacement o
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DEALER PREPARATION CHECK LIST MP 5/6 Finishing Mowers BEFORE DELIVERING MACHINE — The following check list should be completed. Use the Operator’s Manual as a guide. ❒ 1. Assembled completed. ❒ 2. Gearboxes 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. Operators manual has
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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 pe
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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 blades continue to cut the grass clippings several 1-1 INTRODUCTION times before allowing the tiny pieces to fall to the We are pleased to have you as a Bush Hog cus- ground. This eliminates a build up of grass residue tomer. Your MP Series Rotary Cutter has been care- on top of the lawn. The four caster wheel arrange- fully designed to give maximum service with mini- ment, along with the floating lift linkage and the stan- mum down time.This manual is prov
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SECTION II PREPARATION FOR USE D. Hold driveline sections parallel to each other to determine if too long. Each section should end 2-1 ATTACHING TO TRACTOR approximately 3 inches (76mm) short of reaching universal joint shield on opposite section. If too WARNING long, measure 3 inches (76mm) back from univer- NEVER STAND BETWEEN TRACTOR sal joint shield and mark opposite section. (Figure AND CUTTER WHILE TRACTOR IS 2-1). Do this for both sections. BEING BACKED TO HITCH. E. Raise and lower cutter
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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 TO DO SO MAY RESULT IN SERIOUS H. Using cut off section of shield as a guide, cut INJURY. shaft the same amount. (Figure 2-4) 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 Caster Wheel 3-1 GENERAL SAFETY Only qualified people familiar with this operator’s Spacers manual and tractor operator’s manual should oper- ate this machine. Operator should wear hard hat, safety glasses and safety shoes. The operator should read, understand and practice all safety mes- sages shown on the caution, warning and danger decals affixed to the cutter to avoid serious injury or death. It is recommended that tractor be equipped with Rollo
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TIPS ON MOWING WITH A MULCHER The Bush Hog MP 5/6 is a finishing mower with counter rotating blade sets designed to do a superior job of mulching grass clippings. To get the maximum effectiveness from your MP the tips listed below should be followed: Mow often - In general, mulching operations require more frequent mowing than would conventional mowing procedures. Watch your speed - Normal conditions will allow a speed of up to approximately 5 mph,but thick, heavy, damp conditions will requi
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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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4-3 BELT ADJUSTMENT 4-4 BELT REPLACEMENT Belt tensions should be checked every 40 hours to Use only genuine Bush Hog replacement parts. It is get maximum life from drive belts and best perfor- not necessary to replace both belts if only one is mance from the cutter. Belt tension is adjusted by worn. increasing or decreasing the length of the spring on A. Remove right and left side shields. the moveable idlers. For proper belt tension on the B. Relieve spring tension by loosening the two mower, t
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E. Remove the 3/8” - 24UNF x 7/8” Gr. 8 blade- 4-5 BLADE REPLACEMENT bolt and nut for each blade. Inspect the blade nut shoulder and the blade bolts for wear. Replace if CAUTION necessary. WEAR HEAVY WORK GLOVES TO PRO- F. When installing new blades on the mulching TECT HANDS FROM SHARP EDGES. assembly, make sure that two blades are installed WHEN TURNING BLADES, BE AWARE OF on the top side of the assembly 180° from each OPPOSITE BLADE APPROACHING. other and two on the bottom side of the assembl
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Figure 4-5 Blade And Spindle Assembly 4-6 BLADE SPINDLE SERVICE (Figure 4-5) Nut for Inner Shaft If shaft bearings or other parts require replacement, Flat Washer proceed as follows: Drive Sheave for Inner Shaft NOTE It is recommended that a Bush Hog dealer or other Drive Sheave for Outer Shaft qualified person service the blade spindle. If blade spindles must be disassembled, special Bush Hog Upper Bearing for Inner Shaft spanner wrenches are supplied for this operation. The Sheave Wrench is us
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Figure 4-6 Torque Wrench Operation A 6” TORQUE WRENCH CHART When using a torque wrench in conjunction with a Bush Hog shaft or sheave wrench, the following chart must be used to achieve the correct torque of 200 ft./lbs. Torque Wrench 12” 14” 16” 18” 20” 22” Length (A) Torque Indicator 133 140 145 150 154 157 Must Show ft./lbs. ft./lbs. ft./lbs. ft./lbs. ft./lbs. ft./lbs. 4-7 TROUBLESHOOTING Troubleshooting procedures are listed in Table 4-1 below. If the problem cannot be solved or replacement
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SECTION V DEALER ASSEMBLY AFTER COMPLETING ANY ASSEMBLY STEP, CAUTION THOROUGHLY READ THE NEXT STEP IN THE THE FOLLOWING SAFETY PRECAUTIONS ASSEMBLY INSTRUCTIONS BEFORE PRO- SHOULD BE THOROUGHLY UNDERSTOOD CEEDING WITH THAT STEP. BEFORE ATTEMPTING MACHINE ASSEMBLY. 11. After completing assembly, thoroughly inspect 1. Wear personal protective equipment such as, the machine to be sure that all nuts, bolts, hydraulic but not limited to, protection for eyes, ears, feet, fittings or any other fastene
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G. Install front roller by securing the right and left E. Fasten mast supports and upper flex link to roller mounts to the deck in the holes provided by mast halves using 1/2 x 5” bolt,pivot tube and locknut. using 3/8 x 1” carriage bolts, flatwashers and lock- F. Place one long spacer on the caster stems washers. (Figure 5-2) Assemble roller, roller shaft, and insert into caster arms. Place three long spacers retaining pin and roll pin as shown. and two short spacers on the caster stem above t
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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. 82619 78608 50012615 82617 82618 60873 50012616 19
