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General Information

01-24

79032998 A Rev.  

LUBRICATION DETAILS

FIG. 39: The efficient and economical operation of any
machine depends on proper lubrication and maintenance
at recommended intervals. Follow the instructions in this
manual and on the lubrication charts, located on the right
and left sides of the machine to assure timely lubrication.

FIG. 39

71424752

Summary of Contents for A66

Page 1: ...ERVICE MANUAL 79032998 A Rev CONTENTS GENERAL INFORMATION 01 SPECIFICATIONS 02 ENGINE WORKSHOP MANUAL 03A ENGINE DRIVES COOLING AND FUEL 03B MATERIAL HANDLING 04 MATERIAL DISCHARGE 05 REAR AXLE 06 THRESHING AND SEPARATING 07 FRONT AXLE 08 HYDRAULICS 09 ELECTRICAL 10 ELECTRONICS 11 CAB AND HVAC 12 GRAIN HEADER 13 CORN HEADER 14 RESERVED 15 ...

Page 2: ...1 14 Fuel Injection Pump Dataplate 01 15 ECM Dataplate 01 15 Transmission Serial Number 01 15 Final Drive Serial Number 01 16 Headers 01 16 Lubrication and Maintenance 01 17 Lubricants 01 17 Service Procedures 01 17 Service Periods 01 17 Lubrication and Maintenance 01 18 Lubrication Details 01 24 Front of Combine 01 26 Left hand Side 01 28 Right hand Side 01 30 Rear Axle 01 32 Auto Lube 01 33 Auto...

Page 3: ...e Tips 01 71 Chain Replacement 01 72 Cleaning and Lubricating Chains 01 73 Drive Chain Lubrication 01 74 Drive Chain Lubricants 01 74 Good Drive Chain Lubrication 01 75 Roller Chain Drive Troubleshooting Guide 01 76 Speed of Components 01 79 Drives Listing and Specifications 01 80 Drives Speeds And Specifications 01 82 Engine Platform 01 85 Engine Platform Ladder 01 85 Engine Compartment 01 86 Fue...

Page 4: ...ues 01 112 Metric Conversions 01 113 Fractions Decimals and Millimeters Conversion Chart 01 114 Decimal Equivalents of 8ths 16ths 32nds and 64ths 01 117 Decimal Equivalents Of Letter Size Drills 01 118 Decimal Equivalents of Number Size Drills 01 119 Tap Drill Sizes S A E Metric 01 120 American Standard Pipe Thread and Tap Drill Sizes 01 123 Electrical Formulas 01 123 Amperes Current Flow 01 123 V...

Page 5: ...01 iv 79032998ARev Contents INDEX 01 131 Find manuals at https best manuals com ...

Page 6: ... not avoided will result in DEATH OR VERY SERIOUS INJURY m WARNING Indicates a potentially hazardous situation that if not avoided can result in DEATH OR SERIOUS INJURY m CAUTION Indicates a potentially hazardous situation that if not avoided can result in a MINOR INJURY Replace any DANGER WARNING CAUTION or instruction decal that can not be read or is missing The location and part number of these...

Page 7: ...re properly charged and in operating condition Mounting a fire extinguisher near the cab and a fire extinguisher near the engine compartment is a recommendation To reduce the risk of fire frequently remove crop material from the combine and engine platform and check for components becoming too hot Keep a first aid kit close for treatment of minor cuts and scratches FIG 5 Wear close fitting clothin...

Page 8: ...ngine from the operator seat only Be sure that the transmission is in neutral and the header separator and unloader clutches are disengaged Be sure that every person is clear of the combine before starting the engine FIG 9 Always wear the seat belt when the combine is moving If another person is riding in the instructor seat that person must wear the seat belt Seat belts must be worn fitted snugly...

Page 9: ... speed when operating on hill sides near ditches or embankments especially with a full grain tank to prevent an over turn of the combine Travel speed must be such that the machine has complete control and stability at all times Shift to a lower gear before going down a steep hill FIG 13 Always turn off the engine shift the transmission to neutral set parking brake and remove the start key before l...

Page 10: ...in a few hours or gangrene can result FIG 16 Use a piece of cardboard or wood to search for possible leaks Never use your hands Relieve pressure from the hydraulic and fuel injection systems by lowering raised equipment shutting off accumulator valve and turning off the engine before loosening any part of the systems Tighten all connections securely before applying pressure FIG 17 The surfaces in ...

Page 11: ...Never permit any flame cutting welding or arc welding to be done on or near the sound proofing upholstery used in the cab This material is flame resistant to normal exposure to cigarettes or other smoking material But will ignite and sustain combustion when exposed to the heat of gas or electrical welding The build up of chaff and crop debris in the engine compartment on the engine and near moving...

Page 12: ... water m WARNING In order to provide a better view certain photographs and illustrations in this manual may show an assembly with the shield removed Do not operate combine unless all shields are in place Replace shields immediately upon completion of inspection repairs cleaning or adjustments and before operation begins or resumes SHIELDS AND LATCHES FIG 24 To operate the shield latches twist the ...

Page 13: ...top 1 in the engaged position Properly engage the header lift cylinder stop as shown before going under the header or feeder house for any reason To engage the header lift cylinder stop 1 Raise the feeder house until the cylinder rod is fully extended to allow engagement of the header lift cylinder stop 2 Release the hook and lower the header lift cylinder stop onto the cylinder rod 3 Lower feeder...

Page 14: ...serious personal injury if the device should break TRAVEL ON PUBLIC ROADS FIG 30 Consult your local law enforcement agency for local regulations regarding movement of farm equipment on public roads Use headlights flashing warning lights taillights and turn signals day and night unless prohibited by local law Make sure lights reflectors and SMV emblem are installed in good condition and wiped clean...

Page 15: ...Safety 01 10 79032998ARev NOTES ...

Page 16: ... 1 Feeder 2 Operator Cab 3 Roof Lamps 4 Rear View Mirrors 5 Beacon Lamp 6 Grain Tank Loading Auger 7 Grain Tank 8 Engine Compartment 9 Grain Tank Unloading Auger 10 Straw Chopper 11 Steering Axle 12 Drive Axle 13 Operator Platform Ladder 14 Operator Platform 15 Single Point Header Connection FIG 31 D 9839 2 4 4 5 3 1 13 7 9 14 8 12 11 10 6 15 ...

Page 17: ...or does four functions as the crop moves in rotary motion from front to rear Intake Threshing Separating Discharge The auger flighting in the intake area starts the crop on a spiral route around the rotor and moves the crop to the threshing area Threshing and initial separation are done in the threshing zone as a result of relationship between the rotating cylinder bars and the stationary open gra...

Page 18: ...ng adjustable chaffer 10 separates and blows the chaff out of the combine The grain and tailings drop through to the cleaning sieve The adjustable cleaning sieve 11 does the final cleaning The clean grain falls through the sieve into the clean grain auger trough The tailings chaff and other material continue to the end of the sieve and into the return auger trough 12 for reprocessing The grain ele...

Page 19: ...______________ Dealer Name and Address ____________________________________________ ____________________________________________ ____________________________________________ Dealer Telephone Number _______________________ Dealer Fax Number ____________________________ NOTE References to left hand and right hand used in this manual refer to position when seated in operator seat and facing forward M...

Page 20: ...ated on the ECM right of the ECM connectors under a protective cover The following information is found on the ECM dataplate ECM part number PN ECM serial number SN ECM date code DC Engine serial number ESN ECM code showing the software number that indicates how the ECM is programmed Transmission Serial Number FIG 37 The transmission serial number is stamped on the serial number plate that is fast...

Page 21: ...eder for fast and easy hook up of headers The quick attach characteristics permits for easier service transport and storage of both the header and the combine The combine can be equipped with the following type of headers Rigid Grain Headers Flexible Cutterbar Headers Pickup Headers Corn Headers Stripper Headers Draper Headers NOTE Refer to the operator manual supplied with the header for installa...

Page 22: ...use the proper lubricant for the job Refer to Specifications section for specific lubricant requirements SERVICE PROCEDURES Keep lubricants in clean covered containers Clean funnels measures and other handling equipment before and after use Clean fittings plug openings and other lubrication points before servicing Inspect and clean plugs and other detachable fittings before installing SERVICE PERI...

Page 23: ...use Pivot Bushing Lubricate two fittings On each side of the front frame cross member under the cab Beater to Feeder House Jack Shaft Idler Lubricate one fitting On right hand side of the feeder house Variable Speed Corn Header Drive Sheave if equipped Lubricate two fittings On right hand side of feeder house on v s drive sheave Drive Chains Oil drive chains oil more often when operating in extrem...

Page 24: ... Clean Grain Elevator Drive Idler Pivot Lubricate one fitting At pivot on left hand side Pitman Drive Idler Pivot Lubricate one fitting At pivot on left hand side Rotor Gearbox Shaft Spline Lubricate one fitting Below battery disconnect switch Cleaning Fan Drive Idler Pivot Lubricate one fitting In grease bank on the front of the clean grain elevator Front Rotor Bearing Lubricate one fitting In gr...

Page 25: ... and clean evaporator filter and coil if necessary Adjust as required Raise top air conditioning unit to gain access Batteries Clean off top of batteries and check for tight cable connections Located at left hand side frame Cab Recirculation Filter Remove grille and clean Located inside cab under right hand console Concave Check positioning and leveling of concave Cab Air Filter Remove element fro...

Page 26: ...pe recommended Hydrostatic Oil Filter Change after the first 50 hours of operation and every 250 hours thereafter Replace filter elements Pitman Driven Sheave Check torque after the first 50 hours of operation and every 250 hours thereafter Refer to the Specifications section for the correct torque specification Pitman Drive Hub Check torque after the first 50 hours of operation and every 250 hour...

Page 27: ...ne engine must not be started Transmission Housing Check oil level and fill if necessary Check breather Refer to the Specifications section for the correct oil Final drive Housings Check oil level and fill if necessary Check breather Refer to the specifications section for the correct oil Hydrostatic Oil Filter Change after the first 50 hours and every 250 hours thereafter Replace filter element P...

Page 28: ...Hydraulic Reservoir Breather Filter Change Breather Filter Roller Chains Remove all chains Clean lubricate drain and reinstall Clean in solvent to remove dirt Soak in SAE 30 engine oil and allow to drain Rotor Gearbox Change Oil Refer to the Specifications section for the correct oil Straw Chopper Check knife wear and replace if necessary Install new blades 180 degrees from each other Replace hamm...

Page 29: ...nt and economical operation of any machine depends on proper lubrication and maintenance at recommended intervals Follow the instructions in this manual and on the lubrication charts located on the right and left sides of the machine to assure timely lubrication FIG 39 71424752 ...

Page 30: ...onomical operation of any machine depends on proper lubrication and maintenance at recommended intervals Follow the instructions in this manual and on the lubrication charts located on the right and left sides of the machine to assure timely lubrication FIG 40 71424751 ...

Page 31: ...hours FIG 42 Front axle inner driveshaft couplings One fitting 1 each side of transmission 100 hours FIG 43 Feeder house pivot 1 Two fittings 1 one each side 10 hours or daily FIG 44 Front of feeder house lateral tilt if equipped Lateral tilt bearings two fittings 1 100 hours Lateral tilt pivot pin one fitting 2 100 hours FIG 41 1 N722107 FIG 42 1 LA06503 FIG 43 1 1 N722113 FIG 44 1 2 M306922 ...

Page 32: ... weekly FIG 47 Right hand side of feeder house Beater shaft to feeder house jack shaft idler 1 10 hours or weekly Fixed speed header drive idler fitting 2 50 hours or weekly NOTE The fixed speed driven sheave is lubricated from the factory and does not require any added lubrication FIG 48 Under front of cab brake pedals Two fittings 1 500 hours FIG 45 1 1 LA06287 FIG 46 1 N722061 FIG 47 1 2 N72208...

Page 33: ... hours or weekly FIG 51 Front left side grease bank Unloader Drive Idler 1 50 hours or weekly Front Beater Drive Idler 2 50 hours or weekly Auger Pivot Tube 3 50 hours or weekly FIG 52 Rear left side grease bank Main Countershaft Drive Idler 1 50 hours or weekly Rotor Propulsion Pump Drive Idler 2 50 hours or weekly Propulsion Pump Drive Idler 3 50 hours or weekly FIG 49 1 N722115 FIG 50 1 2 N7221...

Page 34: ...y Rotor gear box fitting 1 50 hours or weekly Center Pivot 2 50 hours or weekly FIG 54 Left hand side of combine next grain tank Cross auger shaft 1 100 hours NOTE If cross auger shear bolt fails lubricate the cross auger shaft after replacement of the shear bolt FIG 53 1 2 N722120 FIG 54 1 N323280 ...

Page 35: ... Pivot 2 50 hours or weekly Return Elevator Drive Idler Pivot 3 50 hours or weekly Cleaning Fan Drive Idler Pivot 4 50 hours or weekly Front Rotor Bearing 5 Grease sparingly at 50 hours or weekly FIG 57 Below grain tank Return elevator drive slip clutch two fittings 1 100 hours Return elevator conveyor drive sheave fitting 2 100 hours FIG 58 Behind cleaning fan Shaker Shoe Shaft Right Bearing 1 50...

Page 36: ...ain tank to the front Grain Tank unloader joint 1 100 hours Cross auger shaft 2 100 hours NOTE If cross auger shear bolt fails lubricate the cross auger shaft after replacement of the shear bolt FIG 62 Right side of grain tank on the angled auger drive sprocket Sprocket bushing 1 100 hours NOTE If angled auger shear bolt fails lubricate the angled auger sprocket bushing after replacement of the sh...

Page 37: ...Single Speed Rear Wheel Assist Axle King Pins 1 eight fittings four each side 50 hours or weekly Tie rod Sockets 2 two fittings one each side 50 hours or weekly FIGS 65 66 Two Speed Rear Wheel Assist Axle King Pins 1 two fittings on each side four fittings total 50 hours or weekly Steering link 2 two fittings one each side 50 hours or weekly FIG 63 1 2 N516606 FIG 64 1 2 MA11961 FIG 65 FIG 66 L831...

Page 38: ...primary distribution block is connected to each of the secondary distribution blocks with separate lube lines The secondary distribution blocks are connected to each component with lube lines and fittings The number of lube lines is dependant on the location of the distribution block FIG 69 The grease reservoir 1 is located above the pump unit When the pump unit is activated a stir paddle inside t...

Page 39: ...e rotary switch 1 controls the length of time the auto lube system lubricates components The on time rotary switch adjusts the on time in two minute increments The off time rotary switch 2 controls the length of time between the auto lube system lubricates components The off time rotary switch adjusts the off time in one hour increments The manual lube switch 3 when pressed for two seconds manuall...

Page 40: ...pump housing Auto Lube Interval Settings Table Recommended Setting FIG 72 N524797 1 Off Time Rotary Switch Setting Interval Between Lube Cycles On Time Rotary Switch Setting Pump will run for 0 will not run 0 will not run 1 1 hour 1 2 minutes 2 2 hours 2 4 minutes 3 3 hours 3 6 minutes 4 4 hours 4 8 minutes 5 5 hours 5 10 minutes 6 6 hours 6 12 minutes 7 7 hours 7 14 minutes 8 8 hours 8 16 minutes...

Page 41: ...in question or air in the lube lines FIG 74 When the combine is running the battery LED 1 under the sealing plug must be illuminated for the auto lube to operate If the LED is not on then the system is not receiving battery voltage The motor LED 2 will light when the auto lube pump is activated If the LED is on and the pump is not operating then there is an internal electrical failure inside the s...

Page 42: ...l to American Petroleum Institute API performance classification of CI4 IMPORTANT Do not use an oil with an API performance classification lower than CI4 A limit of 1 by weight sulfated ash content is recommended to control oil consumption and valve piston deposits Sulfated ash content must never exceed 1 85 by weight IMPORTANT Non detergent or straight mineral type motor oils must not be used Vis...

Page 43: ...t be changed after the first 50 hours of operation then every 250 hours If the combine operates under heavy loads and extremely dusty conditions then the oil and filters must be changed at 125 hours Always replace both the element filter and centrifugal filter during every oil change FIG 78 Engine oil drain hose 1 is located at the left hand rear of combine just in front of the rear axle While eng...

Page 44: ...face in head Prime the new element with clean engine lubricating oil by pouring oil slowly into central threaded orifice allowing time for oil to fill bowl through filter element Using clean engine lubricating oil lightly oil top seal of replacement element Screw replacement element into filter head until element seal just touches head and then tighten by hand one half turn FIG 82 Remove the fille...

Page 45: ...emove the bolt and retaining clip 4 and then pull the drain plug and screen straight out FIG 85 Remove the screen 1 from the drain plug 2 and remove the magnet 3 from inside the drain plug Thoroughly clean the screen magnet and inside of the drain plug with a suitable solvent Dry with compressed air Inspect the O ring and the screen for damage and replace if necessary Install the magnet in the dra...

Page 46: ...ntained in the master cylinder FIG 87 Open the bleed screw 1 on the left hand side of the master cylinder while pushing both pedals down Close the screw on the up stroke Repeat this procedure for both brake pedals until a stream of brake fluid is released from the brake bleed screw that does not contain any air bubbles FIG 88 Lock the brake pedals together and rapidly pump the brake pedals several...

Page 47: ...nd possible loss of braking capability FINAL DRIVE Combines are equipped with a heavy duty front axle The heavy duty final drives use a bull gear and pinion FIG 89 Maintain oil level within 12 0 mm 0 5 in of the top edge of the cap 1 in both final drive housings Check the oil level and breather every 250 hours of operation Change the oil every 500 hours or once a season FIG 89 1 LA06277 ...

Page 48: ...amount of wear and extend the life of the tires the correct pressures must be maintained and checked at regular intervals When combine is going to be out of use for an extended period or is being stored block both sides of axles to take weight off tires If oils or solvents are spilled on a tire clean immediately Never park or stop the combine with tires standing in an area of wet oil If possible p...

Page 49: ...bine on level ground with the parking brake engaged Installed wheel chocks 1 in front of and behind the opposite wheel FIG 91 Place a jack under the same side of the axle as the tire that is to be removed m WARNING When lifting the combine use a jack able to support the weight of the combine Raise the combine so the tire is off of the ground FIG 92 Place a suitable jack stand 1 below the axle and ...

Page 50: ...field position mount the wheel with the smaller offset to the outside See the Specifications section for the correct wheel lug nut and bolt torque After operating for one hour check the torque on all lug nuts and bolts Check again at ten hours of operation making sure the nuts and bolts have held the above torque settings After the first ten hours check the lug nuts and bolts every 100 hours of op...

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