BUSH HOG ® ATH 900 Air Tunnel Finishing Mower Operator’s Manual ASSEMBLY l OPERATION l MAINTENANCE 04/09 Rev. 1 $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.
ATH 900 FINISHING MOWER Operator’s Manual TABLE OF CONTENTS SECTION/PARA SECTION/PARA PAGE Warranty . . . . . . . . . . . . . . . . . . . . . . . . . .2 Dealer Preparation Check List . . . . . . . . .3 Safety Precautions . . . . . . . . . . . . . . . . . .4 Federal Laws and Regulations . . . . . . . . .5 I INTRODUCTION AND DESCRIPTION . .6 1-1 Introduction . . . . . . . . . . . . . . . . . . . . .6 1-2 Description . . . . . . . . . . . . . . . . . . . . .6 II PREPARATION FOR USE . . . . . . . . . . .
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 ATH 900 gearboxes are covered by a five (5) year limited warranty period.
DEALER PREPARATION CHECK LIST ATH 900 FINISHING MOWERS BEFORE DELIVERING MACHINE — The following check list should be completed. Use the Operator’s Manual as a guide. o o o o o r o o o 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. 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 death or 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 where a clean, uniform finish is desired. Three parallel uplift blades form a suction during operation to lift the grass before cutting it. The four caster wheel arrangement, along with the floating lift linkage and an optional front mounted roller, all work together to give an even cut and minimize scalping. 1-1 INTRODUCTION We are pleased to have you as a Bush Hog customer.
SECTION II PREPARATION FOR USE 2-1 ATTACHING TO TRACTOR NOTE Due to the many variations in tractor/implement hitch points and corresponding differences in distances between tractor PTO shafts and implement input shafts, drivelines may need to be shortened as described in the following steps: WARNING NEVER STAND BETWEEN TRACTOR AND CUTTER WHILE TRACTOR IS BEING BACKED TO HITCH. WARNING ADDITIONAL TRACTOR FRONT BALLAST MAY BE NEEDED FOR STABLE OPERATION AND TRANSPORT OF CUTTER.
G. Clamp end of driveline in a vice. Cut off shield where marked. (Figure 2-3). Figure 2-5 Figure 2-3 DANGER MAKE CERTAIN DRIVELINE YOKES ARE SECURELY FASTENED. FAILURE TO DO SO MAY RESULT IN SERIOUS INJURY. H. Using cut off section of shield as a guide, cut 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 operator’s manual. M. Lower cutter to work position.
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 operate this machine. Operator should wear hard hat, safety glasses and safety shoes. The operator should read, understand and practice all safety messages shown on the caution, warning and danger decals affixed to the cutter to avoid serious injury or death.
SECTION IV MAINTENANCE 8.During operation, listen for abnormal sounds which might indicate loose parts, damaged bearings, or other damage. Correct any deficiency before continuing operation. 4-1 MAINTENANCE CHECK LIST Perform scheduled maintenance as outlined below. Lower implement 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.
D. Install new belt, referring to the diagram below (also refer to the decal on the mower deck). Be sure that the belt is properly positioned in all sheave grooves. E. Adjust tension on belt by adjusting the length of the spring on the movable idler. The correct spring length is 8-3/4”. F. Replace right and left side shields. 40 HOURS 7. Spindle Assembly - Apply multi-purpose grease with grease gun until grease purges out top seal.
4-6 TROUBLESHOOTING Troubleshooting procedures are listed in Table 4-1 below. 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. Table 4-1 Troubleshooting PROBLEM Uneven Cut PROBABLE CAUSE Cutter not level side to side or front to rear. REMEDY See SECTION III. Belt slipping. Adjust belt per paragraph 4-3.
SECTION V DEALER ASSEMBLY 10. If the assembly calls for welding or cutting, be sure that there are no flammable materials close at hand and that bystanders have taken necessary precautions. AFTER COMPLETING ANY ASSEMBLY STEP, THOROUGHLY READ THE NEXT STEP IN THE ASSEMBLY INSTRUCTIONS BEFORE PROCEEDING WITH THAT STEP. CAUTION THE FOLLOWING SAFETY PRECAUTIONS SHOULD BE THOROUGHLY UNDERSTOOD BEFORE ATTEMPTING MACHINE ASSEMBLY. 1.
nut (Figure 5-5). F. Place two long spacers on the caster stems and insert into caster arms. Place two long spacers and two short spacers on the caster stem above the caster arms. This arrangement will give a cutting height of approximately three inches. Secure caster stems with lynch pin retainers. With the weight of cutter resting on all four wheels, be sure that cutter is level. G.
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 ter “B e m Dia Wrench Size “A” SAE Grade 8 (6 Dashes) METRIC WRENCH SIZE (IN.) “A” BOLT DIAMETER (IN.
2501 Griffin Ave. l Selma, AL 36703 Telephone (334) 874-2700 l www.bushhog.
