Instruction/ maintenance manual of the product GHM 1900 Bush Hog
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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.
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 .
BUSH HOG ® LIMITED W ARRANTY ✯✯✯✯✯✯✯✯✯✯✯✯✯✯✯✯✯✯✯✯✯✯✯✯✯✯✯✯✯✯✯ Bush Hog warrants to the original purchaser of any new Bush Hog equipment, p.
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.
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.
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).
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
86118 50012616 50012615 86159 78608 78786 22.
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.
BUSH HOG , L .L .C. ® P .O. Box 1039 ● Selma, AL 36702-1039 T elephone (334) 874-2700 ● www .bushhog.com.
An important point after buying a device Bush Hog GHM 1900 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Bush Hog GHM 1900 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Bush Hog GHM 1900 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Bush Hog GHM 1900 you will learn all the available features of the product, as well as information on its operation. The information that you get Bush Hog GHM 1900 will certainly help you make a decision on the purchase.
If you already are a holder of Bush Hog GHM 1900, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Bush Hog GHM 1900.
However, one of the most important roles played by the user manual is to help in solving problems with Bush Hog GHM 1900. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Bush Hog GHM 1900 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
