Bush Hog DHM Series Operator'S Manual Download

Page: 1 / 150

This Operator's Manual is an

integral part of the safe operation

of this machine and must be

maintained with the unit at all

times. READ, UNDERSTAND, and

FOLLOW

the

Safety

and

Operation Instructions contained

in this manual before operating

the equipment.

C01-Cover_B

Important Operating

and

Safety

Instructions

are

found in the Mower

Safety Video that

can be instantly

accessed on the

DISC

MOWER

Published 5/19

Part No. 50078287

OPERATOR’S MANUAL

BUSH HOG

2501 Griffin Ave.
Selma, AL 36703
334-874-2700
www.bushhog.com

DHM8 DHM9 & DHM10

$0.00

Summary of Contents for DHM Series

Page 1: ...W the Safety and Operation Instructions contained in this manual before operating the equipment C01 Cover_B Important Operating and Safety Instructions are found in the Mower Safety Video that can be...

Page 2: ......

Page 3: ...s manual or if you have any questions concerning safety of operation contact your supervisor dealer or Bush Hog If you would like a VHS video tape of the video please email AEMVideo alamo group com or...

Page 4: ..._________________________________ City _____________________________________ State ____________________________________ Zip Code _________________________________ Mower Model _________________________...

Page 5: ...ore operating this equipment Do not allow anyone to operate this equipment who has not fully read and understood this manual Contact your Dealer to explain any instructions that you do not fully under...

Page 6: ...that operator is responsible for keeping clear of such hazards PRE DELIVERY SERVICE CHECK AND ADJUST OR LUBRICATE AS REQUIRED See Operator s Manual for Details Inspection Performed Warranty and Safety...

Page 7: ...se Nipples 3 2 3 2 ASSEMBLY 3 3 OPERATION SECTION 4 1 Standard Equipment and Specifications 4 3 OPERATOR REQUIREMENTS 4 4 TRACTOR REQUIREMENTS 4 5 ROPS and Seat Belt 4 5 Tractor Safety Devices 4 5 Tra...

Page 8: ...Power Take Off PTO 4 28 PTO RPM and Ground Speed 4 29 Operating the Mower 4 29 Shutting Down the Implement 4 31 DISCONNECTING THE MOWER FROM THE TRACTOR 4 32 MOWER STORAGE 4 33 TRANSPORTING THE TRACTO...

Page 9: ...Safety Section 1 1 SAFETY SECTION...

Page 10: ...are intended to warn the owner operator of impending hazards and the degree of possible injury faced when operating this equipment Indicates an imminently hazardous situation that if not avoided WILL...

Page 11: ...l support personnel should wear hard hats safety shoes safety glasses and proper hearing protection at all times for protection from injury including injury from items that may be thrown by the equipm...

Page 12: ...ially impaired operating conditions Never operate the Implement and Tractor in a fatigued or bored mental state which impairs proper and safe operation SG 32 Use extreme caution when getting onto the...

Page 13: ...he implement when disconnecting it from the tractor lower the stand and put the retaining pin securely in place or put a secure support under the A Frame Lower the implement carefully to the ground Do...

Page 14: ...n of the tractor and Implement and are physically large enough to reach and operate the controls easily SG 11 Do not mount or dismount the Tractor while the tractor is moving Mount the Tractor only wh...

Page 15: ...nsects from entering If a tractor cab is not available wear suitable clothing including head face and hand protection to shield you from the insects Attacking insects can cause you to lose control of...

Page 16: ...hains can become entangled in the operating parts of the mower head These items could then swing outside the housing at greater velocities than the blades Such a situation is extremely hazardous and c...

Page 17: ...with the wrong size Tractor can cause Mower component damage and equipment failure resulting in possible serious injury or death SGM 14 Do not operate or pull the mower into standing water When uplif...

Page 18: ...yards of mower SDM 4 Do not let the Blades turn when the Mower Deck is raised for any reason including clearance or for turning Raising the Mower deck exposes the Cutting Blades which creates a poten...

Page 19: ...peed slowly Apply the Brakes smoothly to determine the stopping characteristics of the Tractor and Implement As you increase the speed of the Tractor the stopping distance increases Determine the maxi...

Page 20: ...ility of overturn or tip over is increased Serious injury or even death could result from a tractor turnover Turn slowly and use extra care on hillsides Never fold the cutting head while on a hillside...

Page 21: ...r pins and washers Serious injury may occur from not maintaining this machine in good working order SG 21 Do Not fill fuel tank while engine is running Refuel only after engine has cooled down If fuel...

Page 22: ...l safety devices should be inspected carefully at least daily for missing or broken components Missing broken or worn items must be replaced at once to reduce the possibility of injury or death from t...

Page 23: ...vy components Use the stand to stabilize the implement during storage S3PT 3 In addition to the design and configuration of this Implement including Safety Signs and Safety Equipment hazard control an...

Page 24: ...mote safe operation Damage to the decals may occur while in shipping use or reconditioning Bush Hog cares about the safety of its customers operators and bystanders and will replace the safety decals...

Page 25: ...G Oil Leak Warning Decal 5 001 317 1 WARNING Warning Decal Thrown Objects 6 001 695 1 CAUTION Caution Decal Disconnect 7 001 320 1 WARNING Warning Decal Read Manual 8 D559 1 WARNING Warning Decal Bush...

Page 26: ...SAFETY DHM 8 9 10 05 19 Safety Section 1 18 2019 Alamo Group Inc SAFETY...

Page 27: ...SAFETY DHM 8 9 10 05 19 Safety Section 1 19 2019 Alamo Group Inc SAFETY...

Page 28: ...SAFETY DHM 8 9 10 05 19 Safety Section 1 20 2019 Alamo Group Inc SAFETY...

Page 29: ...nnect the power source and wait for all machine movement to stop before servicing adjusting cleaning or unclogging the equipment except where the machine must be running to be properly serviced or mai...

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Page 32: ...dditional precautions may be necessary or some instructions may not apply depending on equipment attachments and conditions at the worksite or in the service area The manufacturer has no direct contro...

Page 33: ...icates a property damage message DANGER WARNING CAUTION NOTICE A Word To The User Operator It is YOUR responsibility to read and understand the safety manual and the manufacturer s manuals before oper...

Page 34: ...ic areas such as parks and cemeteries The Industrial Agricultural Mower Sickle Bar Flail Rotary Boom Folding Wing Rotary Agricultural Disc Mower Types Disc mowers are designed and equipped to cut hay...

Page 35: ...r and tractor Have operational training with mower and tractor Take advantage of training programs offered in your area Ask your equipment dealer or supervisor to explain things you do not understand...

Page 36: ...From Fire And Explosion Set the parking brake shut the mower and tractor engine down and remove the key while filling the fuel tank Use extra caution when fueling a hot engine Never smoke while fuelin...

Page 37: ...ting Follow A Safety Program Know The Rules Most employers have rules governing operation and maintenance of equipment Before you start work at a new location check with your supervisor or the safety...

Page 38: ...and unloading the mower Keep Children Away from Equipment No Riders Shut Down Unattended Equipment Keep Bystanders Away Follow A Safety Program Know The Equipment Read and understand the DANGER WARNI...

Page 39: ...t all guards and shields are in place and that all equipment is in good operating condition This includes PTO driveline gearbox and implement guards and shields that are used for operator protection C...

Page 40: ...for anyone under on or near the equipment Clear everyone from these areas Sound a warning Remove or Mark Debris and Obstacles Walk Around the Worksite Deep mud Wet spots Soft soil Rough spots Power l...

Page 41: ...t or engagement problems Check the equipment for excessive vibration and unusual noises Check Instruments and Controls Start Only from Operator s Seat Use ROPS and Seat Belt Use a Do Not Operate Tag D...

Page 42: ...e Guards and Shields Pull type hitch mounted mowers Refer to mower and tractor manufacturers manuals Remove three point hitch quick coupler if equipped Attach only to drawbar hitch Adjust tractor draw...

Page 43: ...e within 300 ft 92 m of an operating rotary mower or within 100 ft 30 M of a properly equipped disc mower Rotating Blades Keep Away Do Not Operate a Damaged Mower Operate Safely Mower shielding is des...

Page 44: ...rass and under smooth terrain conditions Use slower ground speed for mowing in rough sloping or unfamiliar terrain Disc mowers are designed to use faster ground speeds for operating in fields clear of...

Page 45: ...s And Risks Check for overhead obstructions with raised wing or boom mowers to avoid serious injury or death by contact with Electrical power lines and apparatus Low tree limbs Other overhead obstruct...

Page 46: ...ront end toward the ditch Avoid Hitting Obstructions Keep Bystanders Away from Mowing Area 300 ft 92 m Operate Safely Raised wing and boom mower ditch bank operations may reduce the mower s thrown obj...

Page 47: ...ly Road Transport Safety Practices Before operating on public roads Refer to tractor and mower manufacturers operator s manuals for instructions Explain the instructions to those users or operators wh...

Page 48: ...ant habit Properly shutting down a tractor and mower can prevent accidents from occurring when the mower is left unattended Shut down the mower following the specific procedures in the manufacturer s...

Page 49: ...all the instruction messages on the machine Maintenance can be hazardous unless performed properly Be sure you have the necessary skill information correct tools and equipment to do the job WARNING D...

Page 50: ...asses goggles or a face shield They provide eye protection from fluids under pressure during grinding and while servicing batteries Protection is also needed from flying debris liquids and loose mater...

Page 51: ...locking devices before working near or underneath a wing mower Relieve pressure before disconnecting or disassembling any pressurized system Block or relieve spring pressure before disassembling any...

Page 52: ...you use are in good repair Never use jacks with cracked bent or twisted parts Never use frayed twisted or pinched cables Never use bent or distorted hooks Ventilate Work Area Use Proper Support for R...

Page 53: ...ing the hydraulic system loosen the filler cap slowly and remove it gradually Never reset any relief valve in the hydraulic system to a pressure higher than recommended by the manufacturer Wear Eye Pr...

Page 54: ...thest ground point away from the battery Never make the final connection at the starter or dead battery sparks may ignite the explosive gases present at the battery When disconnecting cables after jum...

Page 55: ...ted speed Most agricultural tires are rated for 20mph maximum speed Avoid Tire Explosion Perform Maintenance Safely Complete Service And Repairs Before Machine Is Released Tighten all bolts fittings a...

Page 56: ...ace damaged blades Inspect the mower blade s daily or after hitting any solid object If a mower blade becomes damaged bent gouged cracked or worn more than 25 percent of the original size it should be...

Page 57: ......

Page 58: ...manuales de repuesto a su empleador al concesionario de los equipos o directamente al fabricante Guarde este manual de seguridad y los manuales del fabricante con la m quina en todo momento Lea y aseg...

Page 59: ...e de da os a la propiedad NOTICE PELIGRO ADVERTENCIA PRECAUCI N AVISO DANGER WARNING CAUTION Palabras para el usuario operador Es SU responsabilidad leer y asegurarse de comprender el manual de seguri...

Page 60: ...d industrial para agricultura Barra en forma de hoz Triturador Giratorio Aguil n Giratorio con lateral plegable Tipos de cortadora de c sped de disco para agricultura Las cortadoras de c sped de disco...

Page 61: ...Aproveche los programas de capacitaci n que se ofrecen en su zona Solic tele al distribuidor de equipos o al supervisor que le explique cualquier informaci n que no comprenda Explique las instruccion...

Page 62: ...l motor de la cortadora y del tractor y retire la llave mientras llena el dep sito de combustible Tenga precauci n adicional cuando carga combustible en un motor caliente Nunca fume mientras carga com...

Page 63: ...empleadores tienen reglas que rigen la operaci n y el mantenimiento de los equipos Antes de comenzar a trabajar en una ubicaci n nueva verifique con el supervisor o con el coordinador de seguridad Av...

Page 64: ...uipos No lleve pasajeros Apague los equipos cuando est n sin vigilancia Mantenga a las personas ajenas alejadas Cumplimiento del programa de seguridad Conozca los equipos Lea y aseg rese de comprender...

Page 65: ...os los escudos y guardas est n en su lugar y que todos los equipos se encuentren en buenas condiciones de funcionamiento Esto incluye la l nea motriz de la TDF la caja de engranajes y las guardas y es...

Page 66: ...zonas Haga sonar una advertencia Retire o marque los residuos y obst culos Recorra a pie alrededor del lugar de trabajo Localice y evite Agujeros Desmoronamientos Obst culos tocones Excavaciones Agua...

Page 67: ...che de la l nea motriz Verifique los equipos en busca de vibraciones excesivas y ruidos anormales Revise los instrumentos y controles Arranque nicamente desde el asiento del operador Use el ROPS y el...

Page 68: ...montadas en enganche tipo de tiro Consulte los manuales de los fabricantes de la cortadora y del tractor Retire el acople r pido del enganche de tres puntos si est instalado Inst lelo nicamente al en...

Page 69: ...hasta 300 pies 92 m de distancia Nunca debe haber personas ajenas a menos de 300 pies 92 m de una cortadora giratoria en funcionamiento o a menos de 100 pies 30 m de una cortadora de disco correctame...

Page 70: ...Use una velocidad de desplazamiento menor par acortar en terreno irregular con pendientes o no muy conocido Las cortadoras de disco est n dise adas para usar velocidades de desplazamiento mayores cuan...

Page 71: ...l n Peligros y riesgos de obstrucciones elevadas Verifique en busca de obstrucciones elevadas con las cortadoras que tienen el lateral o el aguil n elevado para evitar lesiones graves o la muerte por...

Page 72: ...montaje lateral o con aguil n el extremo delantero del tractor puede desviarse hacia la zanja Operaci n con seguridad Los trabajos en orillas de zanjas con aguil n y lateral elevado pueden reducir la...

Page 73: ...e en caminos Antes de operar en la v a p blica Consulte los manuales del operador de los fabricantes de la cortadora y del tractor para ver instrucciones Explique las instrucciones a los usuarios u op...

Page 74: ...en un h bito El apagado correcto de un tractor y una cortadora de c sped puede ayudar a evitar accidentes cuando la cortadora est sin vigilancia Apague la cortadora siguiendo los procedimientos espec...

Page 75: ...e la m quina El mantenimiento puede ser peligroso si no se realiza correctamente Aseg rese de tener las habilidades necesarias la informaci n y las herramientas y equipos correctos para realizar el tr...

Page 76: ...antiparras o protecci n facial Proporcionan protecci n ocular para fluidos bajo presi n mientras se esmerila y se realizan servicios a las bater as Tambi n es necesaria protecci n contra residuos l qu...

Page 77: ...tes de trabajar cerca o debajo de una cortadora con laterales Alivie la presi n antes de desconectar o desarmar un sistema presurizado Bloquee o alivie la presi n de los resortes antes de desarmar un...

Page 78: ...rcidos o pellizcados Nunca use ganchos doblados o deformados Ventile la zona de trabajo Use un apoyo adecuado para los equipos elevados Retire la llave y lea el manual de mantenimiento Pr cticas de se...

Page 79: ...afloje la tapa de llenado con lentitud y ret rela gradualmente Nunca restablezca una v lvula de alivio del sistema hidr ulico a una presi n mayor que la recomendada por el fabricante Use protecci n oc...

Page 80: ...spas pueden encender gases explosivos presentes en la bater a Cuando desconecta cables despu s de un arranque con puente retire los cables en el orden inverso al de la conexi n es decir la conexi n fi...

Page 81: ...32 km h Evite la explosi n de los neum ticos Realizaci n de mantenimiento con seguridad Servicio y reparaciones completas antes de liberar la m quina Apriete todos los pernos accesorios y conexiones c...

Page 82: ...ellos Sustituya las hojas da adas Inspeccione las hojas de la cortadora diariamente o despu s de golpear alg n objeto s lido Si una hoja de la cortadora de c sped se da a est doblada agujereada rajada...

Page 83: ...Introduction Section 2 1 2019 Alamo Group Inc INTRODUCTION SECTION...

Page 84: ...re long life and trouble free operation of your mower The Parts Listing section is designed to familiarize the owner operator with replaceable parts on the Mower Safety is of primary importance to the...

Page 85: ...pressure of the cutter bar can be easily adjusted for a variety of ground conditions Crop dividers come standard to provide clear distinction between cut and standing hay Mowers feature a mechanical...

Page 86: ...lement 2 Fill out the Warranty Card in full Be sure to answer all questions including the Serial Number of the implement Mail within 30 days of delivery date of this implement NOTE Warranties are hono...

Page 87: ...cost approved by Bush Hog duty taxes charges for normal service or adjustment loss of crops or any other loss of income rental of substitute equipment expenses due to loss damage detention or delay i...

Page 88: ......

Page 89: ...Assembly Section 3 1 ASSEMBLY SECTION...

Page 90: ...nches Pins and Screws Example A pin with a 25mm 1 diameter and a screw with a M16 5 8 diameter both 50mm 2 long will be listed as D 25x50 D 1 x2 and M16x50 D 5 8 x 2 Shims Spacers Bushings and Washers...

Page 91: ...er is shown packaged in crate in Figure Asm D 0018 Use a forklift truck crane or other suitable equipment of sufficient capacity to attach the machine in holes 1 and lift the machine pivoting in pin 5...

Page 92: ...M8 4 Mount four grease nipple 9 M6 NOTE The four screws A M16x50 10 9 at both sides of the machine are mounted with 300Nm torque and Loctite or similar The cup washers are mounted as in figure Asm D...

Page 93: ...ts concavity facing downwards The self locking nut 2 must be tightened with a dynamometric spanner set at 320Nm torque 3 The screw 3 n 6 M10x20 flanged must be tightened with a dynamometric spanner se...

Page 94: ...1 2 Mount spring 3 as in Figure 3 Mount the lever 5 as in Figure with screw 6 M8x45 5 16 x1 49 64 and locknut without tightening fully 4 Mount the threaded rod 7 and ball joint on point 9 with nut M8...

Page 95: ...torque 3 Mount support 5 in point 7 with screw M14x50 35 64 x2 and two nuts M14 counterlocked 180 Nm torque Refer to fig Asm D 0030 and carry out the following steps in the order indicated 1 Mount sp...

Page 96: ...nt lift lever 3 as in figure on pin 4 and fasten with one spring pin 6x45 15 64 x1 49 64 and bushing with hole 25 40x21 1 1 9 16 x13 16 3 Mount lift cylinder 6 as in figure with pin 5 30x85 1 11 64 x3...

Page 97: ...gure Asm D 0033 and carry out the following steps in the order indicated Mount conveyor sheet 4 with 1 Point 9 Screw M8x25 5 16 x1 two large washers and nut 2 Point 8 Screw M10x25 25 64 x1 washer and...

Page 98: ...x25 25 64 x1 to mount vertical protection 45 DO NOT USE HOLE 43 AT THIS TIME 2 Mount the three pivoting supports 17 on support canvas 1 shown with three screws 18 M12x75 15 32x2 15 16 and self locking...

Page 99: ...to mount support 1 and 2 but not fully tighten to make them pivoting 5 Mount pivoting spring 8 on pins 9 Refer to Figure Asm D 0036 and carry out the following steps in the order indicated 1 Use two...

Page 100: ...ASSEMBLY DHM 8 9 10 05 19 Assembly Section 3 12 2019 Alamo Group Inc ASSEMBLY 6 Insert hydraulic hose 1 in the open ring 2...

Page 101: ...Operation Section 4 1 OPERATION SECTION...

Page 102: ...arily of an DM cutter Some pictures may show shields removed for purposes of clarity NEVER OPERATE this implement without all shields in place and in good operational condition The operator must be fa...

Page 103: ...1400 The Mower is designed for certain mowing applications and is rated to cut up to a specific size vegetation see Mower Standard Equipment and Specifications DO NOT use this mower to cut vegetation...

Page 104: ...d Personal Protective Equipment PPE for the job conditions when attaching operating servicing and repairing the equipment PPE is designed to provide operator protection and includes the following safe...

Page 105: ...ractor especially during a roll over where the driver could be crushed and killed Only operate the tractor with the ROPS in the raised position and seat belt fastened Tractor models not equipped with...

Page 106: ...diameter 15 32 3 5 Front End Weight A minimum of 20 total tractor weight must be maintained on the tractor front end at all times Front end weight is critical to maintain steering control and to prev...

Page 107: ...getting onto the tractor the operator must read and completely understand the implement and tractor operator manuals If any part of either manual is not completely understood consult an authorized dea...

Page 108: ...or s manual and consult an authorized dealer for tractor operation instructions if needed Essential Tractor Controls Locate the light control switch Locate the engine shut off control Locate the brake...

Page 109: ...E MOWER TO THE TRACTOR Use extreme caution when connecting the mower to the tractor The mower should be securely resting at ground level or setting on blocks Keep hands and feet from under the mower d...

Page 110: ...fasten into position with screws 22 and nut 21 in one of the adjustment holes 23 on the pins 1 If necessary move the vertical movement adjuster tie rod on the hoist arms until both ball and socket jo...

Page 111: ...n place and the limiting chain 2 Ops 2404 is tight Bar A Ops 2405 must have a functional play X of about 3 mm 0 15 inches The height H from the ground is correct when there is Mower bar on the ground...

Page 112: ...l the break away resets Engage the PTO drive and continue forward NEVER REMOVE OBSTRUCTIONS WHILE THE DISC IS ROTATING EVEN AT SLOW SPEEDS DISENGAGE THE PTO STOP THE TRACTOR ENGINE WAIT FOR ALL ROTATI...

Page 113: ...inal turns when assembled for the first time and following replacements of belts If a belt has to be replaced all belts should be replaced at the same time The belts must be loosened at the end of the...

Page 114: ...he two joint axle shafts and insert them separately on the two power take offs tractor and mower with the clutch on the side of the mower 2 Place the two axle shafts one alongside the other 3 Check th...

Page 115: ...be avoided OPS U 0029 Always disconnect the main PTO Driveline from the Tractor before performing service on the Implement Never work on the Implement with the tractor PTO driveline connected and run...

Page 116: ...ondition Power brake fluid level Power steering fluid level Fuel condition and level Sufficient lubrication at all lube points 9 2 Mower Pre Operation Inspection Service Before each mower use a comple...

Page 117: ...ect that the hitch pin is the correct size OPS R 0008_E All Safety Shields Guards and Safety devices including but not limited to the Deflectors Chain Guards Steel Guards Gearbox Shields PTO integral...

Page 118: ...Check and retighten the blade hardware after the first eight hours of operation Inspect the Blades daily for abnormal wear REPLACE BLADES IMMEDIATELY if blade has Become bent or deformed from it s ori...

Page 119: ...on the mower All safety decals are in place and legible The hitch connection bolts pins are tight There are no cracks in hitch The tow chain is secured to the tractor mower The hydraulic cylinders pin...

Page 120: ...t Specific Comments if not O K The flashing lights function properly The SMV Sign is clean and visible The tires are in good condition with proper pressure The wheel lug bolts are tight The tractor br...

Page 121: ...eds for you and the equipment Make sure you abide by the following rules Test the tractor at a slow speed and increase the speed slowly Apply the Brakes smoothly to determine the stopping characterist...

Page 122: ...locked together to provide simultaneous rear wheel braking FOR MOST DRIVING AND OPERATING CONDITIONS THE BRAKE PEDALS SHOULD BE LOCKED TOGETHER TO PROVIDE THE MOST EFFECTIVE BRAKING ACTION Always dise...

Page 123: ...E VICINITY OF THE MOWER 1 Put the hydraulic cylinder under pressure to lighten the locking hook A 2 Pull the cord of hook A to release the lock 3 Lower the mower bar into the work position using the m...

Page 124: ...ol of the tractor and mower Moving slowly at first will also prevent the tractor from rearing up and loss of steering control The tractor should never be operated at speeds that cannot be safely handl...

Page 125: ...ting damage If the gradient is so steep that such an approach increases the possibility of a tractor roll over select an alternate crossing path When operating the tractor and mower across slopes and...

Page 126: ...ep slopes and passersby and animals in the area OPS U 0015 Extreme care should be taken when operating near loose objects such as gravel rocks wire and other debris Inspect the area before mowing Fore...

Page 127: ...e condition of the mower and make any needed repairs immediately Make sure the blades are not damaged and the carrier is balanced before resuming operation Always wear your seat belt securely fastened...

Page 128: ...ivetrain spread cut material better reduce streaking and make the final cut more uniform SRM 01 11 3 Engaging the Power Take Off PTO Before engaging the PTO make certain that the area is clear of byst...

Page 129: ...ound Speed Ground speed for mowing will depend upon the height type and density of vegetation to be cut Recommended speed for efficient mower performance is between 2 and 5 mph 3 8 kph Operate the mow...

Page 130: ...to the unevenness of the ground For lifting operations at the head of the field Ops 2416 the mower bar maneuver is done with the machine s hydraulic cylinder The lift hydraulic cylinder is designed t...

Page 131: ...he mower head will come to a complete stop within a suitable amount of time Do not engage or disengage the cutterheads at a high RPM unless there is an emergency situation Park the tractor on a level...

Page 132: ...nnect the third point and disconnect the hydraulic hose 5 Disconnect the drawbars and the driveshaft Always disconnect the machine with the mower bar in the horizontal position Always shut the Tractor...

Page 133: ...ace with the mower housing resting securely on blocks or at ground level Keep the driveline yoke from sitting in water dirt and other contaminants Loosen the trapezoidal belts and check the the protec...

Page 134: ...r s hydraulic lift until the lifting brace D is free and then pull the cord of hook C 4 Raise the machine completely with the tractor hydraulic lift 5 Slowly raise the mower bar vertically actuating t...

Page 135: ...ximum lift height OPS R 0033_A If the tractor s hydraulic pump is not independent of the tractor PTO or if the tractor PTO has to be run to have hydraulic power disconnect the mower driveline from the...

Page 136: ...9 Make certain that the Slow Moving Vehicle SMV sign is installed in such a way as to be clearly visible and legible When transporting the Equipment use the Tractor flashing warning lights and follow...

Page 137: ...and implement on public roads Use caution and reduce speed if other vehicles or pedestrians are in the area OPS U 0022 Reduce speed before turning or applying the brakes Ensure that both brake pedals...

Page 138: ...so that when tightened the chains are pulling downward and against themselves Carefully tighten the securing chains or other fasteners using boomers or binders to apply maximum tension Use extreme ca...

Page 139: ...tion question The disk carrier bar is not 1 The entire machine is leaning 1 Check that both hoist ball and raised parallel to the ground one side socket joints are at the same height above ground the...

Page 140: ...rrier bar tilts too much 1 Reduce the tilt of the disk carrier bar 2 The knives are over worn 2 Replace the knives 3 Power takeoff speed is 3 Increase power takeoff rotation insufficient speed up to b...

Page 141: ...Maintenance Section 5 1 2019 Alamo Group Inc MAINTENANCE SECTION...

Page 142: ...cks will have to be made if mowing has been on stoned ground and after impact with an obstacle When replacements are necessary use only Bush Hog recommended parts Use of parts not approved by Bush Hog...

Page 143: ...t below the head The self tapping layer 1 of the screw to fasten the knives is missing or too worn out We advise changing the screw after it has been tightened 5 times The clamp screw worn down where...

Page 144: ...al self tapping screw and an M12 nut Mnt DM 0002 The nut must be tightened with a 16kgm 116 ft lbs torque Cupped washer 1 Mnt DM 0003 must be mounted with its concavity facing downwards The self locki...

Page 145: ...nce a year The driveshaft should be greased regularly as shown in Mnt DM 0004 The U joints supports hinges and points equipped with grease fittings should be lubricated or greased frequently at least...

Page 146: ...MUST be in the vertical position for at least 5 minutes In order to fill with oil unscrew both caps filler and level and pour in the amount shown or the amount needed to top to the level through the h...

Page 147: ...NEVER DISCONNECT MOWER FROM TRACTOR WITHOUT CUTTER BAR IN LOWERED TO OPERATING POSITION PROPER TORQUE CHART FOR FASTENERS Because of the severe operating conditions correct bolt torque is very import...

Page 148: ...MAINTENANCE DHM 8 9 10 05 19 Maintenance Section 5 8 2019 Alamo Group Inc MAINTENANCE...

Page 149: ...ently to confine the employee to the protected area provided by the ROPS REQUIRED OF THE OPERATOR 1 Securely fasten seat belt if the tractor has a ROPS 2 Where possible avoid operating the tractor nea...

Page 150: ...DHM7 8 9 10 05 19 P N50078287 Printed U S A DISC MOWER DHM8 DHM9 DHM10...

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