Bush Hog GHM 1900 manual

BU S H H O G ® 1297 Part No. 99707 GEARDRIVE HA Y M O WERS ASSEMBL Y ● OPERA TION ● MAINTENANCE $4.00 Operator ’s Manual SERIES GHM 700, GHM 800, GHM 900 GHM 1800 & GHM 1900[...]

CONGRA TULA TIONS! Y ou 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 wel[...]

GHM HA Y MOWER T ABLE OF CONTENTS SECTION/P ARA P AGE W arranty .......................................................3 Dealer Preparation Check List .....................4 Safety Precautions .......................................5 Federal Laws and Regulations ....................6 I. INTRODUCTION & DESCRIPTION ............7 1-1 Introduction [...]

BUSH HOG ® LIMITED W ARRANTY ✯✯✯✯✯✯✯✯✯✯✯✯✯✯✯✯✯✯✯✯✯✯✯✯✯✯✯✯✯✯✯ 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-[...]

DEALER PREP ARA TION CHECK LIST GHM HA Y MOWER BEFORE DELIVERING MACHINE — The following check list should be completed. Use the Operator ’s Manual as a guide. ❒ 1. Assembly completed. ❒ 2. Gearbox filled with oil. ❒ 3. All fittings lubricated. ❒ 4. All shields in place and in good condition. ❒ 5. All fasteners torqued to specificatio[...]

IMPORT ANT 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 [...]

IMPORT ANT FEDERAL LA WS AND REGULA TIONS* CONCERNING EMPLOYERS, EMPLOYEES AND OPERA TIONS. *(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-St[...]

7 SECTION 1 INTRODUCTION AND DESCRIPTION 1-1 INTRODUCTION We are pleased to have you as a Bush Hog cus- tomer. Your GHM hay mower 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 mower in top operating condition. Plea[...]

SECTION II PREP ARA TION FOR USE TO AVOID SERIOUS INJURY OR DEATH NEVER STAND BETWEEN TRACTOR AND MOWER WHILE TRACTOR IS BEING BACKED TO HITCH. TO AVOID SERIOUS INJURY OR DEATH ADDITIONAL TRACTOR FRONT BAL- LAST MAY BE NEEDED FOR STABLE OPERATION AND TRANSPORT OF MOWER. SEE TRACTOR OPERATOR’S MANUAL FOR RECOMMENDED WEIGHTS. WARNING WARNING During[...]

D. Attach PTO driveline to tractor 540 rpm or 1000 rpm PTO shaft. Make certain driveline is securely connected at both ends. Attach PTO drive- line shield safety chain on both the implement and tractor ends. (Figure 2-3) CAUTION DO NOT USE A PTO SHAFT ADAPTER WITH THIS IMPLEMENT. USE OF A PTO SHAFT ADAPTER WILL VOID ALL WARRANTY CONSIDERATIONS. E. [...]

SECTION III OPERA TING INSTRUCTIONS 3-1 GENERAL SAFETY Only qualified people familiar with this 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 mower to[...]

Breakaway pressure is regulated by the tension of the latch springs (Figure 3-3). Spring length as shipped from the factory is 4-1/8” and is satisfactory for most conditions. Breakaway pressure can be increased by turning spring retaining nuts clockwise or decreased by turning counterclockwise. DO NOT COLLAPSE SPRING TO LESS THAN 3-3/4” OR SPRI[...]

3-7 CUTTER BAR HELPER SPRING ADJUSTMENT (9’ MODELS ONLY) The 9’ models are equipped with a helper spring assembly to transfer cutter bar weight from the outer end of the cutter bar back to the frame assembly. The recommended minimum adjustment measurement is 5-1/2” from under the bolt head to the end of the rod weldment nut. (Figure 3-5) To t[...]

AFTER EACH USE 1 . Clean all debris from machine. Replace any missing or illegible decals. 2. Inspect mower for worn or damaged components. Repair or replace before next use. Any replace ment components installed during repair shall include the components current safety decals specified by the manufacturer to be affixed to the component. 3. Store m[...]

4-3 BLADE REPLACEMENT The disc mower blades each have two cutting edges. When one edge becomes dull or damaged, remove the bolt and turn the blade over, Nuts can be re-used if not damaged. If both cutting edges of the blade have been used, the blades must be replaced. Always replace both blades on a spindle to retain balance. When replacing blades,[...]

Figure 4-5 Blade Disc Cap Covering Retaining Nut Standard Crop Divider Cutter Bar The blade disc assembly is now ready to be removed from the cutter bar. If required, a steady prying force on either side of the cutter bar, spaced 180° apart, can aid in removing the blade disc assembly from the spindle shaft. C. Remove the six (6) M10 nuts connecti[...]

STANDARD CROP DIVIDER (Figure 4-6) Reattach the cap and cutter to the crop divider by reinstalling the four(4) capscrews through the top of crop divider and tightening securely. OPTIONAL CROP DIVIDER (Figure 4-7) Tilt cap sideways and insert cap assembly into the top of the crop divider. Insert pointed end of threaded rod into the center hole on th[...]

4-9 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 num- ber, serial number, purchase date and exact cause or description of problem. Table 4-1 Troubleshooting PROBLEM PROB[...]

Figure 4-12 Cutter Bar Arrangement and Blade Rotation NOTE The blades of adjacent oval discs must be 90° apart from one another as shown above to ensure proper timing. 9’ MAIN GEARBOX 8’ MAIN GEARBOX 7’ MAIN GEARBOX FOR W ARD #1 #2 #2 #2 #3 #3 #3 #4 #4 #4 #5 #5 #5 #6 #6 #7 CW CW CCW CW CCW CW CW CCW #1 #1 CCW CCW CW CCW CW CCW CW CCW CW CW 1[...]

SECTION V ASSEMBL Y CAUTION THE FOLLOWING SAFETY PRECAUTIONS SHOULD BE THOROUGHLY UNDERSTOOD BEFORE ATTEMPTING MACHINE ASSEMBLY. 1. Wear 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 par[...]

of front and rear curtain support. Q. Fasten transport latch to curtain support beam using a 5/8 x 1-3/4” bolt and locknut. Pin opposite end in place with faspin. R. Install curtain stop weldment flush with end of curtain support beam using one 5/8” U-bolt, lock- washer, flatwashers and nuts. Vent Plug Butt End Cylinder Elbow Figure 5-2 Hydraul[...]

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 inform[...]

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T ORQUE SPECIFICA TIONS Proper toque for American fasteners used on Bush Hog equipment. Recommended Torque in Foot Pounds (Newton Meters).* BOLT DIAMETER 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)[...]

BUSH HOG , L .L .C. ® P .O. Box 1039 ● Selma, AL 36702-1039 T elephone (334) 874-2700 ● www .bushhog.com[...]