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Published 05/21

Part NO. 50072116

OPERATOR’S MANUAL

BUSH HOG

2501 Griffin Ave.

Selma, AL 36703

334-874-2700

www.bushhog.com

MODELS DHP8, DHP10, DHP12

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

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PULL DISC

HARROW

Содержание DHP10

Страница 1: ...0 www bushhog com MODELS DHP8 DHP10 DHP12 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...

Страница 2: ...safety equipment properly attached to minimize the chance of accidents BEFORE YOU START Read the safety messages on the implement and shown in your manual Observe the rules of safety and common sense...

Страница 3: ...L ASSEMBLY 3 2 THREADED ROD ASSEMBLY 3 3 HITCH ASSEMBLY 3 3 HYDRAULIC CYLINDER ASSEMBLY 3 4 GANG ARM ASSEMBLY 3 5 DISC GANG ASSEMBLY 3 6 Disc Gang Positioning 3 7 OPTIONAL SCRAPER KITS ASSEMBLY 3 7 OP...

Страница 4: ...DRIVING THE TRACTOR AND IMPLEMENT 4 17 Starting the Tractor 4 18 Brake and Differential Lock Setting 4 18 Driving the Tractor and Implement 4 19 OPERATING THE TRACTOR AND IMPLEMENT 4 19 Field Operatin...

Страница 5: ...Safety Section 1 1 SAFETY SECTION...

Страница 6: ...ord 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 W...

Страница 7: ...ision Make sure the operator has fully read and understood the manuals prior to operation SG 4 The operator and all support personnel should wear hard hats safety shoes safety glasses and proper heari...

Страница 8: ...entially 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 t...

Страница 9: ...e there is a likelihood of material collecting on the Implement make certain that this material is removed before traveling on public roadways STL 7 Never crawl under a raised Implement supported sole...

Страница 10: ...reach and operate the controls easily SG 11 Do not mount or dismount the Tractor while the tractor is moving Mount the Tractor only when the Tractor and all moving parts are completely stopped SG 12 S...

Страница 11: ...cts Attacking insects can cause you to lose control of the tractor which can result in serious injury or death to you or bystanders Never dismount a moving tractor SG 40 Many varied objects such as wi...

Страница 12: ...k for loose fasteners worn or broken parts and leaky or loose fittings Make sure all pins have cotter pins and washers Serious injury may occur from not maintaining this machine in good working order...

Страница 13: ...be reduced or impaired by the tractor cab or implement Before driving on public roadways identify any limited vision areas and make adjustments to your operating position mirrors and the implement tra...

Страница 14: ...ance increases Determine the maximum transport speed not to exceed 20 mph 30 kph for transporting this equipment Test the equipment at a slow speed in turns Increase the speed through the turn only af...

Страница 15: ...mance void warranties and present a safety hazard Use genuine Bush Hog parts for economy and safety SPBH 2 SEE YOUR BUSH HOG DEALER In addition to the design and configuration of this Implement includ...

Страница 16: ...N A 1 SERIAL PLT Serial Number Plate 9 00789085C 1 Canister Operator s Manual Inside 10 94359 1 REFLECT SMV Sign 11 D1064 1 IMPORTANT 20 MPH Speed 12 D960 1 WARNING Proposition 65 Not Shown 13 D1085...

Страница 17: ...SAFETY DHP8 DHP10 DHP12 05 21 Safety Section 1 13 SAFETY 2021 Alamo Group Inc Decals...

Страница 18: ...connect 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 m...

Страница 19: ...Introduction Section 2 1 2021 Alamo Group Inc INTRODUCTION SECTION...

Страница 20: ...le Shooting Guide helps diagnose difficulties with implement and offers solution to the problems Safety is of primary importance to the owner operator and to the manufacturer The first section of this...

Страница 21: ...ocess till your back in action It is extremely important that the disc harrow operates level at all times This will minimize the horsepower requirements and allow the best flow of soil and residue thr...

Страница 22: ...gang tubes Adjustable gang angles front and rear Variable blade spacings available You get the best of both worlds 9 front and rear gangs for tough to cut New Ground 7 1 2 front and rear gangs for fi...

Страница 23: ...Warranty Card in full Be sure to answer all questions including the Serial Number of the Disc Harrow Mail within 30 days of delivery date of this implement NOTE Warranties are honored only if complet...

Страница 24: ...han 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 dela...

Страница 25: ...Assembly Section 3 1 2021 Alamo Group Inc ASSEMBLY SECTION...

Страница 26: ...adapt to a wide range of tillage conditions Always use personal protection devices such as eye and ear protectors during assembly AXLE ASSEMBLY 1 Unpack Disc Harrow from shipping crate 2 Secure axle...

Страница 27: ...to prevent them from falling out 4 Attach pivot weldment 8 to tongue 1 with on 7 8 x 6 pin 11 and two 1 4 x 2 cotter pins 10 Bend one or both legs of cotter pin 5 Attach threaded rod assembly 7 to ax...

Страница 28: ...s 3 into the front and rear elbow at cylinder base end and tighten 3 Purge hydraulic cylinder of air before continuing a Place hydraulic cylinder near a hydraulic power source on the ground in an area...

Страница 29: ...t torque 3 Insert 1 2 spacer 7 over rear pin located on the mainframe 4 Install end hole on angle adjustment bar 8 over rear frame pin and angle adjustment pin The cutting angle is determined by what...

Страница 30: ...s in front U Bolts 3 are longer for attaching optional scraper bars and are always located in both holes of the disc gang mounting brackets Optional scraper kits can be added anytime using the supplie...

Страница 31: ...ube edge to the gang hanger edge is a good starting point Fine tune each side until the gangs are almost touching and spin freely 2 The rear gang disc should line up in between the cutting edges of th...

Страница 32: ...Snug the nuts 4 Refer to the drawing to identify the A and B type scraper assemblies Attach type B to the right front and left rear disc gangs using the 3 8 x 1 5 8 U Bolts 4 and 3 8 nylocks 5 The typ...

Страница 33: ...Screw parking jack up and down to position tongue 5 at the correct hook up height 2 Pull pin and rotate parking jack counterclockwise 90 and reinsert pin for transporting SLOW MOVING VEHICLE SIGN Atta...

Страница 34: ......

Страница 35: ...Operation Section 4 1 OPERATION SECTION...

Страница 36: ...oved for purposes of clarity The operator must be familiar with the implement and tractor operation and all associated safety practices before operating the implement and tractor Proper operation of i...

Страница 37: ...ed Ball Bearings No of Bearings 8 12 12 Mainframe Width 60 93 1 2 93 1 2 Drawbar HP Req 40 65 HP 45 100 HP 55 100 HP Gang Tube 3 x1 1 2 3 x 2 4 x 3 Gang Axle 1 1 8 Square High Carbon Steel Parking Jac...

Страница 38: ...ctive 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 safety wear PERSONAL...

Страница 39: ...lt should have these life saving features installed by an authorized dealer OPS U 0003 Operate this Equipment only with a Tractor equipped with an approved roll over protective system ROPS Always wear...

Страница 40: ...hen mounting the tractor Seat yourself in the operator s seat and secure the seat belt around you Never allow passengers to ride on the tractor or attached equipment Riders can easily fall off and be...

Страница 41: ...omplete understanding of the placement function and operational use of all tractor controls before starting the tractor Review the tractor operator s manual and consult an authorized dealer for tracto...

Страница 42: ...is hitch up horizontally 3 Back tractor within close proximity of clevis 4 Raise or lower parking hack 1 to align clevis with tractor drawbar Drawbar should fit between lower and upper plates of clevi...

Страница 43: ...d up Cycle hydraulic system to extend and retract cylinder Repeat this process 2 times 2 Crack fitting at the rod end of cylinder and apply hydraulic pressure until air free oil leaks from fitting and...

Страница 44: ...ent slightly and then add stroke control spacers 1 to the cylinder rod until rod is full 2 Lower machine until cylinder is pressing against the stroke control spacers 3 Turn spring adjuster to positio...

Страница 45: ...efore making sharp turns Make sure tractor drawbar is pinned in the center position and tractor 3 point arms are positioned so that they will not make contact with the disc harrow hitch The disc harro...

Страница 46: ...leshooting Section for helpful solutions to setting the disc gang angles 8 3 Disc Leveling Front to Rear Te truest way to level your disc from front to rear is to observe behind the center of the disc...

Страница 47: ...ervice and inspection Tire condition air pressure Wheel lug bolts Steering linkage PTO shield SMV sign is clean and visible Tractor s lights are clean and functional Tractor Seat belt is in good condi...

Страница 48: ...breakage or cracking and replace if needed Inspect Disc Gang and grease after every 8 hour use Inspect all bolts and screws and tighten to the recommended torque Inspect tire condition wheel bearings...

Страница 49: ...hift 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...

Страница 50: ...urely blocked up and all hydraulic pressure has been relieved Operator s Signature _____________________________________________________ Item Condition at Start of Shift Specific Comments if not O K T...

Страница 51: ...speeds 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 character...

Страница 52: ...ion or 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 Alwa...

Страница 53: ...DO NOT coast or free wheel downhill 11 1 Field Operating Instructions Final adjustments will need to be made while operating the disc harrow in the field See In Field Adjustments for final adjusting i...

Страница 54: ...s from the Tractor hitch 1 Park on a level solid surface 2 Remove all stroke control spacers from hydraulic cylinder and place on storage rack Lower disc harrow until wheels are resting on the ground...

Страница 55: ...he operator must employ good judgement and safe operation practices when transporting the tractor and implement between locations By using good judgement and following safe transport procedures the po...

Страница 56: ...the SMV emblem if faded damaged or no longer reflective OPS U 0020 Make sure that all tractor flashing warning lights headlights and brake tail lights are functioning properly before proceeding onto p...

Страница 57: ...ons and gross weight of the complete loaded unit Ensure that the load will be in compliance with the legal limits set for the areas that will be traveled through OPS U 0024 Use adequately sized and ra...

Страница 58: ...oving enough Tilt Disc Harrow down at the rear by soil to the center turning spring adjuster clockwise Arrange the chains so that when tightened the chains are pulling downward and against themselves...

Страница 59: ...it 2 or 3 revolutions clockwise Reduce front disc gang angle by one position Set tractor drawbar in its lowest possible position by flipping the offset drawbar over Add disc furrow fillers to the rea...

Страница 60: ...isc gang angles at the smallest down and operate smoothly angle required to do the job Make sure front disc gangs are set 3 degrees more than the rear disc gangs Disc Harrow does not Disc gangs are no...

Страница 61: ...ructions Bearing problems Bent gang axle causing bearing to Replace gang axle and damaged wobble bearings Foreign objects and or dirt caught Completely disassembly disc gang between spacer and disc bl...

Страница 62: ......

Страница 63: ...Maintenance Section 5 1 2021 Alamo Group Inc MAINTENANCE SECTION...

Страница 64: ...e to be tightened or replaced refer to this chart to determine the grade of bolts and the proper torque except when specific torque values are assigned in manual text RECOMMENDED TORQUE IN FOOT POUNDS...

Страница 65: ...MAINTENANCE DHP8 DHP10 DHP12 05 21 Maintenance Section 5 3 2021 Alamo Group Inc MAINTENANCE...

Страница 66: ......

Страница 67: ...ly 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 near d...

Страница 68: ...DHP8 DHP10 DHP12 SOM 05 21 P N 50072116 Printed U S A DHP8 DHP10 DHP12 DISC HARROW...

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