BUSH HOG ® Models RTN, RTNR, & RTH Rotary Tillers Operator’s Manual ASSEMBLY l OPERATION l MAINTENANCE 207 $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.
Rotary Tillers Operator’s Manual Models RTN, RTNR & RTH TABLE OF CONTENTS SECTION / PARA PAGE SECTION / PARA Warranty . . . . . . . . . . . . . . . . . . . . . . . .2 Dealer Preparation Check List . . . . . . .3 Safety Precautions . . . . . . . . . . . . . . . .4 Federal Laws And Regulations . . . . . .5 PAGE 3-3 Operation . . . . . . . . . . . . . . . . . . . .9 3-4 Transporting . . . . . . . . . . . . . . . . . .9 II PREPARATION FOR USE . . . . . . . . .7 2-1 Attaching To Tractor . . . . . . . . . .
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 ROTARY TILLERS 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. Assembly 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. Slip clutch 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 l INTRODUCTION AND DESCRIPTION 1-1 INTRODUCTION We are pleased to have you as a Bush Hog customer. Your Bush Hog Rotary Tiller 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 tiller in top operating condition. Please read this manual thoroughly. Understand what each control is for and how to use it.
SPECIFICATIONS RTNR60 RTN60 RTNR72 RTN72 RTNR80 RTN80 RTH60 RTH72 RTH80 RTH88 Tillage Width 60” 72” 80’ 60” 72” 80” 88” Number of Blades 28 36 40 28 36 40 44 Type Blades C-Type C-Type C-Type C-Type C-Type C-Type C-Type Weight 664 lbs. 726 lbs. 777 lbs. 810 lbs. 884 lbs. 924 lbs. 964 lbs. 7 9 10 7 9 10 11 Model No. No.
NOTE If driveline is the correct length, omit the following steps “G” through “J” and proceed to step “K”. Figure 2-5 G. Clamp driveline in a well padded vice to prevent damage to the shield. Cut off shield where marked. (Figure 2-3) Figure 2-3 L. Adjust lower lift arm to level tiller right to left. Refer to tractor operator’s manual for instructions. M. Adjust top link of tractor 3-point hitch to level tiller front to rear. N.
SECTION III OPERATING INSTRUCTIONS 3-1 GENERAL SAFETY 3-3 OPERATION Only qualified people familiar with this operator’s manual should operate this machine. Operator should wear hard hat, safety glasses, and safety shoes. It is recommended that tractor be equipped with Rollover Protective System (ROPS) and a seat belt be used. Before beginning operation, clear work area of objects that may be picked up and thrown or wrapped in tiller blades.
SECTION IV MAINTENANCE which might indicate loose parts, damaged bearings, or other damage. 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. Some checks may require raising machine off ground and supporting with blocks. All bolts should be torqued as recommended in TORQUE SPECIFICATIONS, unless otherwise indicated. AFTER EACH USE 1.
4-3 BLADE REPLACEMENT Figure 4-2 Blade Wear 1/4” WARNING THE TILLER CAN FALL FROM HYDRAULIC SYSTEM FAILURE. TO AVOID SERIOUS INJURY OR DEATH, SECURELY SUPPORT TILLER BEFORE WORKING UNDERNEATH. Figure 4-3 Clutch Spring Length Tiller blades should be replaced when they have approximately 1/4” of wear left on tip of blade.(Figure 4-2) To replace blades, remove bolts securing blade. Install new blade in its place. Blade must be a right or left corresponding to the blade removed.
4-7 TROUBLESHOOTING ment 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. Troubleshooting procedures are listed in Table 4-1 below.
SECTION V DEALER ASSEMBLY WARNING 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 and head when operating or repairing 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.
Figure 5-1 “A” Frame Mast Slip Clutch RTN Series Tiller Chain Drive End Box Strongback Clutch Shield Parking Stand Cluch Shield Mounting Tab Gear Drive End Box Figure 5-2 RTH Series Tiller Shock Absorber Assembly Shock Absorber Mounting Brackets 14
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. Part No. 78413 Part No. 78786 Part No. 78608 Part No. 81067 Part No.
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” SAE Grade 8 (6 Dashes) METRIC 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 .
Supplemental Slip Clutch Instructions for the RTH, RTN & RTNR Tillers Bush Hog RTH, RTN and RTNR tillers may have either of two different types of slip clutches. The drivelines equipped with Belleville spring plates require a more precise measurement than the clutches equipped with external coil springs. The compression of the Belleville spring many need to be adjusted if the clutch slips with the original settings. Clutch slippage may occur from excessive tractor horsepower or ground speed.
P.O. Box 1039 l Selma, AL 36702-1039 Telephone (334) 874-2700 l www.bushhog.
