BUSH HOG ® Model SM 60 Side Mount Rotary Cutter Operator’s Manual OPERATION l MAINTENANCE 1007 $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.
Side Mount Rotary Cutter Models SM60R, SM160R Operator’s Manual TABLE OF CONTENTS SECTION/PARA PAGE SECTION/PARA Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 Dealer Preparation Check List . . . . . . . . . . . .3 Safety Precautions . . . . . . . . . . . . . . . . . . . . .4 4-3 Recommended Hydraulic Oil . . . . . .12 4-4 Blade Holder Removal . . . . . . . . . . .13 4-5 Blade Holder Installation . . . . . . . . .13 4-6 Blade Replacement . . . . . . . . . . . . .
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 SM60 ROTARY CUTTER 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. r 10. Purchaser or dealer elects to delete deflectors. (front belting, rear bands, front and rear chains) 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.
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 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 and banks. It is to be used on tractors weighing a minimum of 6000 lbs. (2722 kg) not including ballast and having a minimum of 50 PTO horsepower. Two models are available; the model SM60R, requiring 540 rpm PTO speed and the model SM160R, requiring a 1000 rpm PTO speed. Front and rear discharge shields are standard on each. 1-1 INTRODUCTION We are pleased to have you as a Bush Hog customer.
Fig. 1-2 Hydraulic Circuit (Cast Iron Pump & Motor) Motor 1102 RPM at 540 RPM Filter 10 Micron with 15 PSI Bypass Relief Valve 3200 PSI Suction Strainer SECTION II PREPARATION FOR USE Pump 21.4 GPM at 540 PTO RPM Required PTO Speed Pump Output 21.4 gpm 19.1 gpm Motor Speed 1101 rpm 1182 rpm 17,300 ft./min. 1/2” x 3” Dble. Edge 60” 18,570 ft./min. 1/2” x 3” Dble. Edge 60” Blade Tip Speed Blade Type Cutting Width Max. Reach from Center of Tractor 145” Transport Width 120-1/2” Weight 1580 lbs.
Fig. 2-3 F. Pull driveline apart. Attach the outer (female) section to the tractor PTO shaft and the inner (male) section to the pump input shaft. Pull on each driveline section to make sure yokes lock into place. G. Hold driveline sections parallel to each other to determine if driveline is too long. (Fig. 2-4) If driveline must be shortened, perform steps “D” through “H” in paragraph 2-2. H. Position implement at point with greatest distance between pump input shaft and PTO shaft. I.
G. Repeat steps “E” and “F” to other driveline section. H. De-burr the ends of the drivelines and clean away all chips and filings. (Fig. 2-7) I. Apply grease to inside of outer (female) driveline Figure 2-4 section. Reassemble driveline and attach to tractor and implement. Pull on driveline section to make sure yokes lock into place. J. Raise and lower implement to check for proper operation.
WARNING WARNING ALL ROTARY CUTTERS HAVE THE ABILITY TO DISCHARGE OBJECTS AT HIGH SPEEDS, WHICH COULD RESULT IN SERIOUS INJURY TO BYSTANDERS OR PASSERS-BY. KEEP CLEAR OF MACHINE WHEN RAISING AND LOWERING THE CUTTER HEAD. D. Place cutter deck in desired working position. E. Engage PTO drive with tractor at idle speed. Allow 2-3 minutes for hydraulic fluid to warm up.
neutral position before disconnecting lines. E. Remove valve kit from tractor (if used). F. Disconnect implement from 3-point hitch and driveline from PTO shaft. G. Clean debris from cutter deck to prevent corrosion. H. Oil all pivot points and cable sheaves. I. Wearing gloves and using an oil soaked rag, wipe down all hoses and cables. 3-5 STORAGE A. Apply light coat of multi-purpose grease to sliding assemblies. B. Perform steps “A” through “G” in paragraph 3-4. C.
Figure 4-1 Lubrication Replace Yearly Check Before Each Use 40 Hours 40 Hours 40 Hours 150 Hours Figure 4-2 Driveline Universal Joint Before Each Use 20 Hours To Remove Yoke Shield: Press all three tabs with screwdriver and slide cover back. Before Each Use EVERY 150 HOURS 1. Cables - Wearing gloves, wipe cables with an oil soaked rag. removing the tank lid secured by eight self-tapping screws. A gasket is required for reassembly. 2. Spindle Assembly - Drain spindle housing.
D. Check to be sure that blades will swing freely. If blades will not swing freely, remove, locate problem, and repair. Operating cutter when blades will not swing freely will cause excessive stress and vibration causing damage to implement. 4-4 BLADE HOLDER REMOVAL (Fig. 4-3) WARNING THE CUTTER CAN FALL FROM HYDRAULIC SYSTEM FAILURE. TO AVOID SERIOUS INJURY OR DEATH, SECURELY SUPPORT CUTTER BEFORE WORKING UNDERNEATH. 4-7 CABLE ADJUSTMENT A. Extend slide cylinder completely.
Figure 4-4 Hydraulic Motor Return Line Hose Pressure LIne Hydraulic Fittings Spindle Housing Motor contamination such as pump failure. This requires removal and individual flushing and cleaning of all components and lines that were exposed to the contaminated oil flow. Flushing of the system components should be done with a suitable solvent or diesel fuel. Clean the suction strainer, replace the return line filter, and refill tank with new hydraulic oil. D. Turn motor 180º.
Table 4-4 General Troubleshooting TROUBLE PROBABLE CAUSE REMEDY 1. Hydraulic Pump Noisy Cavitation Check condition of suction strainer and return line filter. Clean or replace as necessary. Check for clogged or restricted inlet line to pump. Check for loose fittings on suction line. Clean hydraulic tank breather cap. Areation Check all connections on inlet side of pump. Pour hydraulic fluid over suspected leak. If noise stops, the leak has been found. Fill hydraulic tank to bottom of filler strainer.
SECTION V ASSEMBLY CAUTON THE FOLLOWING SAFETY PRECAUTIONS SHOULD BE THOROUGHLY UNDERSTOOD BEFORE ATTEMPTING MACHINE ASSEMBLY. 1. 2. 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. Do not lift heavy parts or assemblies. Use crane, jack, tackle, fork trucks or other mechanical devices. 3.
roll pins. It may be necessary to remove cylinder port caps to extend cylinder. With port caps removed, watch out for oil spraying out of cylinder ports. E. Remove cover plate and gasket from spindle housing on cutter deck. Remove O-ring gasket packed inside spindle housing and retain for motor installation. F. Fill spindle housing with 26 fl. oz. of EP80W90 gear oil or until oil reaches check plug. G. Mount hydraulic motor to spindle housing using O-ring gasket to seal.
CAUTON Figure 5-3 Side Band USE OF THIS MACHINE ON TOO SMALL A TRACTOR CAN CAUSE TRACTOR UPSET. DO NOT USE THIS MACHINE ON A TRACTOR WEIGHING LESS THAN 6000 LBS. (2722 kg), NOT INCLUDING BALLAST. IT IS RECOMMENDED THAT FRONT BALLAST BE USED FOR ADDED STEERING STABILITY. THIS MACHINE REQUIRES 50 PTO HORSEPOWER. 5-2 OPTIONAL SAFETY CHAIN INSTALLATION A. Place cutter deck in the travel (stored) position. Insert transport lock pin. B. Remove the skid shoes from the side bands. C.
5-5 OPTIONAL TAILWHEEL INSTALLATION Figure 5-6 Tailwheel Assembly Apply Decal A. Position mounting bracket against underside of frame as shown. (Fig. 5-6) B. Position mounting plate on top side of frame and fasten with four 5/8 x 7-1/2” bolts and locknuts. C. Apply warning decal to top of tailwheel beam. ADJUSTMENT The tailwheel is adjustable in one inch increments using collars on tailwheel spindle. To adjust, raise cutter and securely block in position. While holding wheel, remove pin from spindle.
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.
SAFETY DECALS CONTINUED 83374 83373 83377 82617 83375 21
TORQUE SPECIFICATIONS Proper toque for American fasteners used on Bush Hog equipment. Recommended Torque in Foot Pounds (Newton Meters).* AMERICAN Bolt Head Markings W RENCH S IZ E (IN .) “ A ” B O L T D IA M E T E R (IN .
P.O. Box 1039 l Selma, AL 36702-1039 Telephone (334) 874-2700 l www.bushhog.
