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OFFSET
DISCS
Operation, Service
& Parts Manual For
Models: C1218, C1418,
C1618, D1818, & D2018
June 2006
Form: OffsetDiscBook.pm7
TABLE OF CONTENTS
SECTION DESCRIPTION PAGE
1 Introduction .............................................................. 11.1 Serial Number Location ......................................... 1
2 Safety .......................................................................... 22.1 General Safety ........................................................ 32.2 Equipment Safety Guidelines ................................ 42.3 Safety Training ....................................................... 52.4 Safety Signs ............................................................ 52.5 Preparation ............................................................. 62.6 Operating Safety ..................................................... 72.7 Transport Safety ..................................................... 82.8 Maintenance Safety ................................................ 82.9 Hydraulic Safety ..................................................... 92.10 Storage Safety ......................................................... 9
3 Operation ................................................................. 10 3.1 To the New Operator or Owner ............................ 10 3.2 Machine Components ........................................... 11 3.3 Pre-Operation Checklist ....................................... 13 3.4 Preparation of Tractor .......................................... 13 3.5 Field Operation ..................................................... 14 3.6 Disc Angle Adjustment ......................................... 15 3.7 Maintenance.......................................................... 15 3.8 Transporting ......................................................... 16 3.9 Storage .................................................................. 16
4 Trouble Shooting .................................................... 17
5 Assembly ................................................................... 18
6 Specifications .......................................................... 19 6.1 Mechanical ............................................................ 19 6.2 Bolt Torque............................................................ 19
7 Limited Warranty ................................................... 20
1 INTRODUCTION
Congratulations on your choice of Offset Discs.
Safe, efficient and trouble free operation of your Offset Discs requires that you and anyone else who will beoperating or maintaining the machine, read and understand the Safety, Operation, Maintenance andTroubleshooting information contained within the Operator's Manual.
This manual covers the Offset Disc Models T1618, T2018 & T2418. Differences are explained whereappropriate. Use the Table of Contents as a guide to locate required information.
Keep this manual handy for frequent reference and to pass on to new operators or owners. Call yourGearmore dealer or distributor if you need assistance, information or additional copies of the manuals.
OPERATOR ORIENTATION - The directions left, right, front and rear, as mentioned throughout thismanual, are as seen from the driver's seat and facing in the direction of travel.
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1.1 SERIAL NUMBER LOCATION
Always give your dealer the serial number of your Offset Disc when ordering parts or requesting service orother information.
The serial number plate is located where indicated. Please mark the number in the space provided for easy
reference.
DATE OF PURCHASE:___________________________
MODEL NUMBER:______________________________
SERIAL NUMBER: ______________________________
2 SAFETYSAFETY ALERT SYMBOL
Why is SAFETY important to you?
The Safety Alert symbol identifiesimportant safety messages on theOffset Discs and in the manual.When you see this symbol, be alertto the possibility of personal injuryor death. Follow the instructionsin the safety message.
This Safety Alert symbol meansATTENTION! BECOMEALERT! YOUR SAFETY ISINVOLVED!
Accidents Disable and KillAccidents CostAccidents Can Be Avoided
3 Big Reasons
DANGER - Indicates an imminently hazardoussituation that, if not avoided, will resultin death or serious injury. This signalword is to be limited to the mostextreme situations typically formachine components which, forfunctional purposes, cannot be guarded.
WARNING - Indicates a potentially hazardoussituation that, if not avoided, couldresult in death or serious injury, andincludes hazards that are exposedwhen guards are removed. It mayalso be used to alert against unsafepractices.
CAUTION - Indicates a potentially hazardoussituation that, if not avoided, mayresult in minor or moderate injury.It may also be used to alert againstunsafe practices.
SIGNAL WORDS:
Note the use of the signal words DANGER,WARNING and CAUTION with the safetymessages. The appropriate signal word foreach message has been selected using thefollowing guide-lines:
SI NO LEE INGLES, PIDA AYUDAA AIGUIEN QUE SI LO LEA PARAQUE LE TRADUZCA LASMIDIDAS DE SEGURIDAD.
If you have any questions not answered in this manual or require additional copies or the manual isdamaged, please contact your dealer.
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2.1 GENERAL SAFETY
YOU are responsible for the SAFE operation andmaintenance of your Offset Disc. YOU must ensurethat you and anyone else who is going to operate,maintain or work around the Disc be familiar withthe operating and maintenance procedures and re-lated SAFETY information contained in this manual.This manual will take you step-by-step through yourworking day and alerts you to all good safety prac-tices that should be adhered to while operating theDisc.
Remember, YOU are the key to safety. Good safetypractices not only protect you, but also the peoplearound you. Make these practices a working part ofyour safety program. Be certain that EVERYONEoperating this equipment is familiar with the recom-mended operating and maintenance procedures andfollows all the safety precautions. Most accidents canbe prevented. Do not risk injury or death by ignoringgood safety practices.
• Disc owners must give operatinginstructions to operators or employeesbefore allowing them to operate themachine, and at least annually thereafter per OSHA (Occupational Safety andHealth Administration) regulation1928.57.
• The most important safety feature onthis equipment is a SAFE operator. It isthe operator's responsibility to read andunderstand ALL Safety and Operatinginstructions in the manual and to followthese. Most accidents can be avoided.
• A person who has not read and under-stood all operating and safety instructionsis not qualified to operate the machine.An untrained operator exposes himselfand bystanders to possible serious injuryor death.
• DO NOT modify the equipment in anyway. Unauthorized modification may im-pair the function and/or safety and couldaffect the life of the equipment.
1. Read and understand theOperator's Manual and allsafety signs before operating,maintaining or adjusting theOffset Disc.
2. Have a first-aid kit availablefor use should the need ariseand know how to use it.
3. Have a fire extinguisheravailable for use shouldthe need arise and knowhow to use it.
4. Wear appropriate protectivegear. This list includes but isnot limited to:
- A hard hat- Protective shoes
with slip resistantsoles
- Protective goggles,glasses or faceshield
- Heavy gloves- Protective clothing
5. NEVER allow children to operate tractorand Disc or other power equipment.
6. DO NOT allow riders.
7. Wear suitable ear protectionfor prolonged exposure toexcessive noise.
8. Lower Offset Disc to the ground, setpark brake, remove ignition key and waitfor all moving parts to stop before servicing,adjusting and repairing.
9. Clear the area of people, especially smallchildren, before starting.
10. Review safety related items annuallywith all personnel who will be operatingor maintaining the Offset Disc.
2.2 EQUIPMENT SAFETY GUIDELINES
4
Safety of the operator and bystanders is one of themain concerns in designing and developing amachine. However, every year many accidentsoccur which could have been avoided by a fewseconds of thought and a more careful approach tohandling equipment. You, the operator, can avoidmany accidents by observing the followingprecautions in this section. To avoid personal injuryor death, study the following precautions and insistthose working with you, or for you, follow them.
• In order to provide a better view, certainphotographs or illustrations in this manualmay show an assembly with a safety shieldremoved. However, equipment should neverbe operated in this condition. Keep all shieldsin place. If shield removal becomes necessaryfor repairs, replace the shield prior to use.
• Replace any safety sign or instruction signthat is not readable or is missing. Location ofsuch safety signs is indicated in this manual.
• NEVER use alcoholic beverages or drugswhich can hinder alertness or coordinationwhile operating this equipment. Consult yourdoctor about operating this machine whiletaking prescription medications.
• Under no circumstances should youngchildren be allowed to work with thisequipment. Do not allow persons tooperate or assemble this unit until theyhave read this manual and havedeveloped a thorough understanding ofthe safety precautions and of how itworks. Review the safety instructions withall users annually.
• This equipment is dangerous to children andpersons unfamiliar with its operation. Theoperator should be a responsible, properlytrained and physically able person familiarwith farm machinery and trained in thisequipment's operations. If the elderly areassisting with farm work, their physicallimitations need to be recognized andaccommodated.
• Use a tractor equipped with a Roll OverProtective Structure (ROPS) and a seat belt.
• NEVER exceed the limits of a piece ofmachinery. If its ability to do a job, or to do sosafely, is in question - DON'T TRY IT.
• Do not modify the equipment in any way.Unauthorized modification may impair thefunction and/or safety and could affect the lifeof the equipment.
In addition to the design and configuration of thisimplement, including Safety Signs and SafetyEquipment, hazard control and accident preventionare dependent upon the awareness, concern,prudence and proper training of personnel involved inthe operation, transport, maintenance and storage ofthe machine. Refer also to Safety Messages andoperation instruction in each of the appropriatesections of the tractor and machine manuals. Payclose attention to the Safety Signs affixed to thetractor and the machine.
Think SAFETY! Work SAFELY!
2.3 SAFETY TRAINING
Safety is a primary concern in the design andmanufacture of our products. Unfortunately, ourefforts to provide safe equipment can be wiped out bya single careless act of an operator or bystander.
In addition to the design and configuration ofequipment, hazard control and accident preventionare dependent upon the awareness, concern,prudence and proper training of personnel involvedin the operation, transport, maintenance andstorage of this equipment.
It has been said, "The best safety feature is aninformed, careful operator." We ask you to bethat kind of an operator. It isthe operator's responsibility toread and understand ALLSafety and Operating instructionsin the manual and to follow these. Accidents can beavoided.
Working with unfamiliar equipment can lead tocareless injuries. Read this manual, and the manualfor your tractor, before assembly or operating, toacquaint yourself with the machines. If this machineis used by any person other than yourself, or isloaned or rented, it is the machine owner'sresponsibility to make certain that the operator,prior to operating:
a. Reads and understands the operator'smanuals.
b. Is instructed in safe and proper use.
Know your controls and how to stop tractor, engineand machine quickly in an emergency. Read thismanual and the one provided with your tractor.
Train all new personnel and review instructionsfrequently with existing workers. Be certain only aproperly trained and physically able person willoperate the machinery. A person who has not readand understood all operating and safety instructionsis not qualified to operate the machine. Anuntrained operator exposes himself and bystandersto possible serious injury or death. If the elderly areassisting with farm work, their physical limitationsneed to be recognized and accommodated.
2.4 SAFETY SIGNS
1. Keep safety signs clean and legible at all times.
2. Replace safety signs that are missing or havebecome illegible.
3. Replaced parts that displayed a safety signshould also display the current sign.
4. Safety signs are available from your authorizeddealer or from Gearmore.
How To Install Safety Signs:
• Be sure that the installation area is cleanand dry.
• Be sure temperature is above 50º F (10º C).
• Determine exact position before you removethe backing paper. (See Section 3)
• Remove the smallest portion of the splitbacking paper.
• Align the sign over the specified area andcarefully press the small portion with theexposed sticky backing in place.
• Slowly peel back the remaining paper andcarefully smooth the remaining portion of thesign in place.
• Small air pockets can be pierced with a pin andsmoothed out using the piece of sign backingpaper.
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2.5 PREPARATION
6
1. Never operate the tractor and machine untilyou have read and completely understandthis manual, the Tractor Operator's Manualand each of the Safety Messages found onthe safety signs on the tractor and machine.
2. Personalprotectionequipment,including hardhat, safetyglasses, safetyshoes and glovesare recommendedduring assembly,installation, operation, adjustment,maintaining, repairing, removal or movingthe implement. DO NOT allow long hair,loose fitting clothing or jewelry to be aroundequipment.
3. PROLONGED EXPOSURETO LOUD NOISE MAYCAUSE PERMANENTHEARING LOSS!Tractors with or withoutequipment attached canoften be noisy enough to cause permanent,partial hearing loss. We recommend thatyou wear hearing protection on a full-timebasis if the noise in the Operator's positionexceeds 80db. Noise over 85db on a long-term basis can cause severe hearing loss.Noise over 90db adjacent to the Operatorover a long-term basis may cause perma-nent, total hearing loss. NOTE: Hearingloss from loud noise (from tractors, chainsaws, radios, and other such sources closeto the ear) is cumulative over a lifetimewithout hope of natural recovery.
4. Operate the machine onlywith a tractor equippedwith an approved Roll-OverProtective Structure (ROPS).Always wear your seat belt.Serious injury or even deathcould result from falling offthe tractor --- particularly during a turn-over when the operator could be pinnedunder the ROPS or the tractor.
5. Clear working area of stones, branchesor hidden obstacles that might be hookedor snagged, causing injury or damage.
6. Keep disc away from overheadpower lines. Electrocution can occurwithout direct contact with an overheadpower line.
7. Operate only in daylight or good artificiallight.
8. Be sure machine is properly mounted,adjusted and in good operating condition.
9. Before starting, give the machine a "onceover" for any loose bolts, worn parts,cracks, leaks, frayed hoses and makenecessary repairs. Always followmaintenance instructions.
10. Ensure that all safety shielding andsafety signs are properly installed and ingood condition.
11. Use caution when operating the tractoron uneven terrain.
12. Move wheels or tires to their widestposition for maximum stability.
13. Decrease speed when making turns.
14. Use front and rear wheel weights asrequired.
15. Add sufficient amount of weight to frontend of tractor to prevent wheels fromcoming off the ground when startingsuddenly with a load.
2.6 OPERATING SAFETY
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Please remember it is important that you read andheed the safety signs on the tractor and disc. Cleanor replace all safety signs if they cannot be clearlyread and understood. They are there for your safety,as well as the safety of others. The safe use of thismachine is strictly up to you, the operator.
All things with moving parts are potentiallyhazardous. There is no substitute for a cautious,safe-minded operator who recognizes potentialhazards and follows reasonable safety practices. Themanufacturer has designed these Discs to be usedwith all its safety equipment properly attached tominimize the chance of accidents. Study this manualto make sure you have all safety equipmentattached.
Practice raising and lowering the disc when learningto operate the Offset disc. Become familiar withcontrols before operating.
If a safety shield or guard is removed for any reason,it must be replaced before the machine is againoperated.
Always operate disc with hitch hydraulic controllever in lowered "float" position.
Do not operate near the edge of drop-offs or banks.
Do not operate at an angle on steep slopes. Drive upor down but not across. Always lift disc beforeturning at ends of field.
Make allowances for increased length and weight oftractor during operation and moving.
Remove all sticks, stones, roots and wires fromworking area before starting. Take care not tocontact overhead obstructions during operation.
Never operate controls from the ground. Operateonly from the operators seat to prevent unexpectedmovement that can lead to crushing between framemembers.
Start operation at a slower comfortable speed;increase tractor speed as clods reduce size.
Keep disc away from overhead power lines.Electrocution can occur without direct contact withan overhead power line.
Never carry, lift or move people on disc. Do not usemachine as a work platform.
Always use two people to handle heavy, unwieldycomponents during assembly, installation, removalor moving.
Never place any part of your body where it would bein danger if movement should occur duringassembly, installation, operation, maintaining,repairing, removal or moving.
Do not walk or work under a raised machine orattachment unless it is securely blocked or held inposition. Do not depend on the tractor hydraulicsystem to hold the machine or attachment in place.
Never use alcoholic beverages or drugs, which canhinder alertness or coordination, while operatingthis equipment. Consult your doctor aboutoperating this machine while taking prescriptionmedications.
Do not allow riders on the machine or tractor at anytime. There is no safe place for any riders.
Do not go under raised disc. Keep others away.
Add sufficient amount of weight to front end oftractor to prevent wheels from coming off the groundwhen starting suddently with a load.
Always remove the key when leaving the tractorunattended.
Never allow disc to be left in the "up" position whenunattended.
Before you operate the machine, check over all pins,bolts and connections to be sure all are securely inplace. Replace any damaged or worn partsimmediately.
Review safety instructions annually.
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2.7 TRANSPORT SAFETY1. Comply with state and local laws governing
highway safety and movement of farmmachinery on public roads.
2. The use of flashing amber lights isacceptable in most localities. However,some localities prohibit their use. Locallaws should be checked for all highwaylighting and marking requirements.
3. At all times, when driving the tractor andequipment on the road or highway under20 mph (32 kph) use flashing amberwarning lights and a slow moving vehicle(SMV) identification emblem. Do not exceed20 mph (32 kph). Reduce speed on roughroads and surfaces.
4. Keep tractor in gear to provide enginebraking when going downhill. Do not coast.
5. Plan your route to avoid heavy traffic.
6. Keep brake pedals latched together at alltimes.
7. Do not drink and drive.
8. Be a safe and courteous driver. Always yieldto oncoming traffic in all situations,including narrow bridges, intersections, etc.Watch for traffic when operating near orcrossing roadways.
9. Turn into curves or go up or down hills onlyat a low speed and at a gradual steeringangle. Make certain that at least 20% of thetractor's weight is on the front wheels tomaintain safe steerage. Slow down on roughor uneven surfaces.
10. Never allow riders on either tractor ormachine. Riders may obstruct the operator'sview. They could also be struck by foreignobjects or thrown from the machine.
2.8 MAINTENANCE SAFETY1. Good maintenance is your responsibility.
Poor maintenance is an invitation totrouble.
2. Follow good shop practices.- Keep service
area cleanand dry.
- Be sure electricaloutlets and toolsare properlygrounded.
- Use adequate lightfor the job at hand.
3. Make sure there is plenty of ventilation.Never operate the engine in a closedbuilding. The exhaust fumes may causeasphyxiation.
4. Before working on this machine, shutoff the engine, set the brakes and removethe ignition key.
5. Never work under equipment unless it isblocked securely.
6. Use personal protection devices such as eye,hand and hearing protectors, whenperforming any service or maintenancework.
7. Where replacement parts are necessary forperiodic maintenance and servicing,genuine factory replacement parts must beused to restore your equipment to originalspecifications. The manufacturer will not beresponsible for injuries or damages causedby use of unapproved parts and/oraccessories.
8. A fire extinguisherand first aid kitshould be keptreadily accessiblewhile performingmaintenance onthis equipment
9. Periodically tighten all bolts, nuts andscrews and check that all cotter pins areproperly installed to ensure unit is in a safecondition.
10. When completing a maintenance or servicefunction, make sure all safety shields anddevices are installed before placing unit inservice.
2.9 HYDRAULIC SAFETY
9
2.10 STORAGE SAFETY
Make sure that all the components in thehydraulic system are kept in good conditionand are clean.
Replace any worn, cut, abraded, flattened orcrimped hoses and metal lines.
Relieve pressure before working onhydraulic system.
Do not attempt any makeshift repairs to thehydraulic lines, fittings or hoses by usingtapes, clamps or cements. The hydraulicsystem operates under extremely highpressure. Such repairs will fail suddenlyand create a hazardous and unsafecondition.
Wear proper hand andeye protection whensearching for a highpressure hydraulicleak. Use a piece of woodor cardboard as abackstop instead of handsto isolate and identifya leak.
If injured by a concentrated high pressurestream of hydraulic fluid, seek medicalattention immediately. Serious infection ortoxic reaction can develop from hydraulicfluid piercing the skin surface.
Before applying pressure to the system,make sure all components are tight andthat lines, hoses and couplings are notdamaged.
When disconnecting hydraulic lines, shut offhydraulic supply and relieve hydraulicpressure.
1. Store the unit in an area away from humanactivity
2. Do not permit children to play on or aroundthe stored machine.
3. Store the unit in a dry, level area. Supportthe frame with planks or blocks if required.
SAFETY RECAP
The manufacturer follows the general SafetyStandards specified by the American Society ofAgricultural Engineers (ASAE) and theOccupational Safety and Health Administration(OSHA). Anyone who will be operating and/ormaintaining the Offset Disc must read and clearlyunderstand ALL Safety, Operating and Maintenanceinformation presented in this manual.
Do not operate or allow anyone else to operate thisequipment until such information has been reviewed.Annually review this information before the seasonstart-up.
Make these periodic reviews of SAFETY andOPERATION a standard practice for all of yourequipment. We feel that an untrained operator isunqualified to operate this machine.
Think SAFETY! Work SAFELY!
3 OPERATION
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3.1 TO THE NEW OPERATOROR OWNER
Disc should run level when 3-point hitch is pre-adjusted as recommended and disc blades arerunning between 3" - 5" deep. Depth of cut willvary depending on soil type, moisture content andweight of implement. Start operation at a slowercomfortable speed; increase tractor speed as clodsreduce size. The types of soil, moisture and weighton harrow will determine how many times youwill have to go back and forth to get the kind ofseed bed desired. For harder or dryer soils,additional weight may be added to improvepenetration. Always operate disc with hitchhydraulic control lever in lowered "float" position.Ridging, sometimes caused by rear outer discs,can be reduced or eliminated by changing tractorspeed, shortening upper link, or a combination ofboth. Always lift disc before turning at ends offield.
It is the responsibility of the owner oroperator to read this manual and to train allother operators before they start workingwith the machine. Follow all safetyinstructions exactly. Safety is everyone'sbusiness. By following recommendedprocedures, a safe working environment isprovided for the operator, bystanders andthe area around the worksite. Untrainedoperators are not qualified to operate themachine.
Many features incorporated into this machine arethe result of suggestions made by customers likeyou. Read this manual carefully to learn how tooperate the machine safely and how to set it toprovide maximum field efficiency. By followingthe operating instructions in conjunction with agood maintenance program, your Offset Disc willprovide many years of trouble free service.
OPERATING SAFETY1. Read Operator's Manual.
2. Lower disc to the ground, stop engine, setpark brake, remove ignition key and wait forall moving parts to stop before servicing,adjusting and repairing.
3. Do not carry people on disc or frame.
4. Add sufficient weight to front end of tractorto prevent wheels from coming off theground when starting suddenly with a load.
5. Stay away from overhead power lines.Electrocution can occur without directcontact.
6. Use caution when operating the tractor onuneven terrain. Decrease speed whenmaking turns. Use front and rear wheelweights as required.
7. Use only with a unit with ROPS and a seatbelt.
8. Never allow disc to be left in the "up"position when unattended.
9. Always remove the key when leaving thetractor unattended.
10. Review safety instructions.
11
3.2 MACHINE COMPONENTS
REF. NO. QTY. PART NO. DESCRIPTION
1 1 800320 Disc Frame (C1218 & C1418)1 1 800321 Disc Frame (C1618)1 1 810205 Disc Frame (D1818 & D2018)2 2 800110 Beam 37" (C1218 & C1418)2 2 800143 Beam 52" (C1618)2 2 810220 Beam 56" (D1818 & D2018)3 1 521102 Top Brace 2 x 2 x 32" (C1218 & C1418)3 1 824104 Top Brace 2 x 2 x 37" (C1618)3 1 800338 Top Brace 2 x 2 x 40" (D1818 & D2018)4 1 800336 Front Hitch ASAE LH 1/4" (C1218, C1418 & C1618)4 1 830542 Front Hitch LH 3/8" (D1818 & D2018)5 1 800337 Front Hitch ASAE RH 1/4" (C1218, C1418 & C1618)5 1 830543 Front Hitch RH 3/8" (D1818 & D2018)6 10 800116 U-Bolt 1/2 x 3 x 3 (C1218, C1418 & C1618)6 10 830529 U-Bolt 5/8 x 4 1/4 x 3 1/2 (D1818 & D2018)7 As Req'd 800136 Disc Blade 18" Plain8 As Req'd 800139 Disc Blade 18" Notched
12
REF. NO. QTY. PART NO. DESCRIPTION
9 2 500106 Hitch Pin Cat. 110 As Req'd 830544 ASAE Bushing 3/4"IDx1 1/4"ODx1 15/16" (Not Shown)11 2 800129 Axle 6-Blade 41 1/2" (C1218)11 2 800132 Axle 7-Blade 49 1/2" (C1418)11 2 800134 Axle 8-Blade 56 1/2" (C1618)11 2 810129 Axle 9-Blade 64" (D1818)11 2 810128 Axle 10-Blade 71 1/2" (D2018)12 4 W208PPB5 Bearing13 8 800119 Flange
16 800121 Bolt 1/2 x 1 1/4 C.B. (C1218, C1418 & C1618)32 800121 Bolt 1/2 x 1 1/4 C.B. (D1818 & D2018)
14 4 800214 Bearing Hanger 4-Hole (C1218, C1418 & C1618)14 4 810215 Bearing Hanger 4-Hole (D1818 & D2018)15 8 800325 Spool 2 11/16"16 As Req'd 800327 Spacer Washer17 As Req'd 800326 Spool 6 13/16"18 2 800328 Spool (End Cap)19 2 800150 Reg 1" Nut20 2 800151 Jam Nut 1"
BOLT PACK (C1218, C1418 & C1618) Containing:
3 ea. 3/4 x 4 Hex Head Bolts4 ea. 3/4 x 2 Hex Head Bolts20 ea. 1/2 Hex Nuts7 ea. 3/4 Hex Nuts20 ea. 1/2 Lock Washers7 ea. 3/4 Lock Washers4 ea. 1/2 Flat Washers
BOLT PACK (D1818 & D2018) Containing:
3 ea. 3/4 x 4 Hex Head Bolts4 ea. 3/4 x 2 Hex Head Bolts10 ea. 5/8 Hex Nuts7 ea. 3/4 Hex Nuts10 ea. 5/8 Lock Washers7 ea. 3/4 Lock Washers4 ea. 5/8 Flat Washers
3.3 PRE-OPERATION CHECKLIST
Prior to use, it is recommended that the followingmechanical items be checked:
A. Daily Operation Checks:
1. Check all nuts, bolts and other fasteners.Tighten to their specified torque level.
2. Clean the unit of dirt and trash tominimize rusting and wear.
3. Inspect all bearings for wear. Replace anyworn out bearings.
4. Replace any decals that are worn ordamaged.
Efficient and safe operation of the Offset Discrequires that each operator reads andunderstands the operating procedures and allrelated safety precautions outlined in thissection. A pre-operation checklist is provided forthe operator. It is important for both thepersonal safety and maintaining the goodmechanical condition of the Offset Disc that thischecklist is followed.
Before operating the machine and each timethereafter, the following areas should bechecked off:
√ Use only an Agricultural tractor of theappropriate horsepower on the machine.
√ Check that the Disc is properly attachedto the tractor.
√ Be sure extra weights are mounted on thefront end of the tractor to prevent wheelsfrom coming off the ground when startingsuddenly with a load.
√ Check all parts for damage. Repair orreplace as required.
√ Check for entangled material. Remove thismaterial.
IMPORTANT:Torque disc gang axle nuts to 250 ft. lbs. after thefirst initial 5 hours of operation. Failure to tightenthe axle nuts may result in the nut becoming looseor lost resulting in possible damage to the axle and/or disc gang.
3.4 PREPARATION OF TRACTOR
With the hitch in the lowered position, adjust lowerlink arms (Ref. 1) until lower link ball ends (Ref. 2)are approximately 10" from ground.
Attach stabilizer chains (Ref. 3) to lower pinposition at tractor. DO NOT TIGHTEN. Attachdisc to lower links (Ref. 1) of hitch (inside pins forCategory "0", outside pins for Category "I") andsecure with spring pins.
Connect upper link (Ref. 4) of tractor hitch to themounting holes on upper part of main frame (uselower holes for Category "0", top holes for Category"I"). Secure with hitch pin and spring pin.
When using a offset disc, place the hitch in "Float"and adjust upper link (Ref. 4) so that the front andrear gangs are on the ground.
Raise disc with lift and adjust stabilizer chains(Ref. 3) to prevent side sway in the transportposition.
Be sure you read and understand theOperator's Instruction Manual.
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3.5 FIELD OPERATION
OPERATING SAFETY
The disc should run level when 3-point hitch ispre-adjusted as recommended and disc blades arerunning between 3" to 5" deep. Depth of cut willvary depending on soil type, moisture content andweight of implement. Start working operation ata slower comfortable speed; increase tractorspeed as clods reduce size. The types of soil,moisture and weight on disc will determine howmany times you will have to go back and forth toget the kind of seed bed desired. For harder ordryer soils, additional weight may be added toimprove penetration. Always operate disc withhitch hydraulic control lever in lowered "float"position. Ridging, sometimes caused by rearouter discs, can be reduced or eliminated bychanging tractor speed, shortening upper link, ora combination of both. Always lift disc beforeturning at ends of field.
Each operator should review this section of themanual at the start of the season and as often asrequired to be familiar with the machine.
CAUTION!Be careful when working with Disc blades, as theedges are sharp. Wear gloves when workingaround disc blades.
1. After initial adjustments have been madeand tractor is hooked up to Disc, you areready to start discing.
OPERATING SAFETY1. Read Operator's Manual.
2. Lower offset disc to the ground, stop engine,set park brake, remove ignition key and waitfor all moving parts to stop before servicing,adjusting and repairing.
3. Do not carry people on disc or frame.
4. Add weight to front of tractor to preventwheels from coming off the ground.
5. Stay away from overhead power lines.Electrocution can occur without directcontact.
6. Use caution when operating on uneventerrain. Decrease speed when makingturns.
7. Use only with a unit with ROPS and a seatbelt.
8. Never allow disc to be left in the "up"position when unattended.
9. Give complete undivided attention to the jobat hand.
10. Do not go under raised implement. Keepothers away.
2. Lower Disc to ground and start movingforward. Your travel speed will bedetermined by soil conditions. You may findyou want more or less angle on the discs todo the job. Refer to Disc Gang AngleAdjustment on page 15.
3. When turning, always lift implement upout of ground.
CAUTION!Damage to the disc can occur if it is not lifted outof the ground before turning.
4. Do not disc in reverse (travel backwards).The disc is designed for working the soilwhile traveling forward only. Damage tothe harrow may occur. Recommendedprocedure for corners or tight places is:
a. Lift unit upb. Back up into corner or other tight areasc. Lower disc to ground and proceed with
discing going forward
5. Do not cross a ditch at a 90° angle (straighton). Damage to the disc and/or tractor mayoccur while crossing at a 90° angle. Alwayscross a ditch on a diagonal.
DITCH DITCH
RIGHT WRONG
Your Gearmore Disc has 3 angle settings. If you areusing your Disc in loose soil and it is digging too deep,reduce the gang angle cut. If your disc is not diggingdeep enough, increase the gang angle cut.
To adjust the gang angle cut, raise the Disc a fewinches off the ground and block it up. Loosen the hexhead bolts in each disc gang mounting bar, where itmounts to the main frame. Remove the bolts from thebar and move the gang to the front or back. Re-installthe bolts and tighten.
For better ground finish, angle the rear gangs at alesser angle than the front gangs.
3.6 DISC ANGLE ADJUSTMENT
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IMPORTANT:Always turn tractor key off and remove key beforeperforming any maintenance or adjustments onDisc.
NOTE:The more angle you have the more aggressive thecut will be and the more horsepower will be requiredto pull your unit.
NOTE:The rear discs should be centered between the frontdiscs for optimum performance.
3.7 MAINTENANCE
Proper service and adjustment is the key to long lifefor any implement. With careful systematicinspections, you can avoid many costly repairs anddowntime.
Torque all nuts to the torque value listed on page 20after the first initial 5 hours of field operation.
IMPORTANT:Torque disc gang axle nuts to 250 ft. lbs. after thefirst initial 5 hours of operation. Failure to tightenthe axle nuts may result in the nut becoming looseor lost resulting in possible damage to the axleand/or disc gang.
LUBRICATION
There are no parts on the disc that requirelubrication.
Bearings are sealed for life and do not requiregreasing.
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3.8 TRANSPORTING
TRANSPORT SAFETY
3.9 STORAGE
1. Make sure you are in compliance with alllocal regulations regarding transportingequipment on public roads and highwaysincluding lights, reflectors and the SMV.
2. Maximum transport speed for implement is20 mph (32 kph). DO NOT EXCEED. Nevertravel at a speed which does not allowadequate control of steering and stopping.Reduce speed on rough roads andsurfaces.
3. Do not allow anyone to ride on theimplement or tractor during transport.
4. Sudden braking can cause a towedimplement to swerve and upset.
5. DO NOT tow a load that is more thandouble the weight of the tractor.
1. Store the unit in an area away from humanactivity.
2. Do not permit children to play on or aroundthe stored machine.
3. Store the unit in a dry, level area. Supportthe frame with planks if required.
STORAGE SAFETY
When transporting the machine, review andfollow these instructions:
1. Be sure all bystanders are clear of themachine.
2. A safety chain will help control towedimplement should it separate from thetractor. DO NOT use safety chain fortowing.
3. Be sure you have installed extra weights onthe tractor if required.
4. Clean the SMV emblem, lights andreflectors and be sure they are working.Comply with all local regulations.
5. Carry implement low when moving ortransporting.
6. Stay away from overhead power lines.Electrocution can occur without directcontact.
7. Be sure your machine can clearly be seen byovertaking and oncoming traffic.
8. Do not allow riders.
9. Always use hazard flashers on the tractorwhen transporting unless prohibited bylaw.
After the season's use, the machine should bethoroughly inspected and prepared for storage.Repair or replace any worn or damaged compo-nents to prevent any unnecessary down time atthe start of next season. To insure a long,trouble free life, this procedure should befollowed when preparing the unit for storage:
1. Clear the area of bystanders, especiallysmall children.
2. Thoroughly wash the machine using apressure washer to remove all dirt, mud,debris and residue.
3. Inspect the Disc and frame for damage orentangled material. Repair or replacedamaged parts. Remove all entangledmaterial.
4. Touch up all paint nicks and scratches toprevent rusting. Spray the cutting bladeswith a rust inhibitor or paint to preventrust.
5. Inspect all bearings for wear. Replace anyworn out bearings.
6. Select an area that is dry, level, free ofdebris and away from human activity.
7. Inspect all nuts for tightness. Torque loosenuts to correct torque value.
7. If the machine cannot be placed inside,cover with a waterproof tarpaulin and tiesecurely in place.
9. Replace any decals that are worn ordamaged.
10. Do not allow children to play on or aroundthe stored implement.
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4 TROUBLE SHOOTING
The Gearmore Offset Disc is a simple and reliable implement that requires minimal maintenance.
In the following section, we have listed many of the problems, causes and solutions to the problems that youmay encounter.
If you encounter a problem that is difficult to solve, even after having read through this trouble shootingsection, please call your local dealer or distributor. Before you call, please have this Operator's Manual andthe serial number from your Offset Disc ready.
PROBLEM CAUSE SOLUTION
Shallow penetration Insufficient weight Add weight
Digging too deep Soil is too loose Reduce the gangangle cut
Not Digging deep enough Increase the gangangle cut
Front wheels come off ground Not enough weight on tractor Add sufficient weightwhen starting suddenly to front end of tractor
Ridging occurs Sometimes caused by rear Change tractor speedouter discs
Shorten upper link
Combination of bothsolutions
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5 ASSEMBLY
The discs are shipped partially assembled to reduce shipping costs.
When preparing for the customer, follow this limited procedure:
1. Bolt the A-frame in the correct operating position.
2. Adjust disc gang at the best angles depending on the typical soilconditions in your area.
3. Advise customers that they can adjust disc gangs if more or lessaggressive action is required. The sharper the gang angles, the moreaggressive the digging action.
4. Check all bolts and nuts to make sure they are tight.
5. The bolt and bushing installed in the top link is for use with a A.S.A.E.quick hitch.
BoltDiameter"A"
1/4"5/16"3/8"
7/16"1/2"
9/16"5/8"3/4"7/8"1"
(6)(10)(20)(30)(45)(70)(95)
(165)(170)(225)
SAE 2N.m (lb-ft)
SAE 5N.m (lb-ft)
SAE 8N.m (lb-ft)
81327416195128225230345
12254572
110155215390570850
(9)(19)(33)(53)(80)(115)(160)(290)(420)(630)
173663
100155220305540880
1320
(12)(27)(45)(75)
(115)(165)(220)(400)(650)(970)
Bolt Torque *
CHECKING BOLT TORQUE
The tables shown below give correct torque values for various bolts and capscrews. Tighten all boltsto the torques specified in chart unless otherwise noted. Check tightness of bolts periodically, usingbolt torque chart as a guide. Replace hardware with the same strength bolt.
ENGLISH TORQUE SPECIFICATIONS
6.2 BOLT TORQUE
Torque figures indicated above are valid for non-greased or non-oiled threads and heads unlessotherwise specified. Therefore, do not grease or oil bolts or capscrews unless otherwise specified inthis manual. When using locking elements, increase torque values by 5%.
* Torque value for bolts and capscrews are identified by their head markings.
6 SPECIFICATIONS
6.1 MECHANICAL
MODELS C1218 C1418 C1618 D1818 D2018
CUTTING WIDTH: 42" 48" 54" 60" 66"
APPROX. HP REQUIRED: 14 HP 16 HP 18 HP 22 HP 24 HP
NO. OF BLADES: 12 14 16 18 20
WEIGHT: 375 LBS. 420 LBS. 480 LBS. 620 LBS. 670 LBS.
SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE
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GEARMORE, INC., warrants each new Gearmore product to be free from defects in material andworkmanship for a period of twelve (12) months from date of purchase to the original purchaser.This warranty shall not apply to implements or parts that have been subject to misuse, negli-gence, accident, or that have been altered in any way.
Our obligation shall be limited to repairing or replacement of any part, provided that such part isreturned within thirty (30) days from date of failure to Gearmore through the dealer from whomthe purchase was made, transportation charges prepaid.
This warranty shall not be interpreted to render us liable for injury or damages of any kind ornature, direct, consequential or contingent, to person or property. This warranty does not extendto loss of crops, loss because of delay in harvesting or any other expenses, for any other rea-sons.
Gearmore in no way warranties engines, tires, or other trade accessories, since these items arewarranted separately by these respective manufacturers.
Gearmore reserves the right to make improvements in design or changes in specification at anytime, without incurring any obligations to owners or units previously sold.
GEARMORE, INC.13477 Benson Ave.
Chino, CA 91710Always refer to and heed machine operating warning decals on machine.
7 LIMITED WARRANTY
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The serial number of this product is stored in our computer database, thussubmitting a warranty registration card is not required.
