john deer S760 Operator's Manual
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john deer S760 Operator's Manual

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S760, S770, S780, and S790
Combines (S.N. 800001— )
OPERATOR'S MANUAL
S760, S770, S780, and S790 Combines
OMHXE122584 ISSUE G7
(ENGLISH)
CALIFORNIA
Proposition 65 Warning
Diesel engine exhaust and some of its constituents
are known to the State of California to cause cancer,
birth defects, and other reproductive harm.
If this product contains a gasoline engine:
WARNING
The engine exhaust from this product contains
chemicals known to the State of California to cause
cancer, birth defects or other reproductive harm.
The State of California requires the above two warnings.
Additional Proposition 65 Warnings can be found in this manual.
John Deere Harvester Works
North American Edition
PRINTED IN U.S.A.

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June 23, 2025

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Summary of Contents for john deer S760

  • Page 1 S760, S770, S780, and S790 Combines (S.N. 800001— ) OPERATOR'S MANUAL S760, S770, S780, and S790 Combines OMHXE122584 ISSUE G7 (ENGLISH) CALIFORNIA Proposition 65 Warning Diesel engine exhaust and some of its constituents are known to the State of California to cause cancer, birth defects, and other reproductive harm.
  • Page 2 Introduction Foreword READ THIS MANUAL carefully to learn how to operate equipment as described in this manual. The warranty is and service your machine correctly. Failure to do so explained on the warranty certificate or statement which could result in personal injury or equipment damage. you should have received from your dealer.

  • Page 3: Identification View

    Introduction Identification View Grain Tank Extension Grain Tank Cover SS43267,00005E9 -19-12MAY15-1/1 070717 PN=3 Find manuals at https://best-manuals.com...
  • Page 4 Introduction 070717 PN=4 Find manuals at https://best-manuals.com...
  • Page 5 Contents Page Page Safety Features Support Machine Properly ........10-15 Machine Safety Features........05-1 Store Attachments Safely .........10-15 Service Drive Belts Safely ........10-16 Safety Handle Electronic Components and Recognize Safety Information ......10-1 Brackets Safely ..........10-16 Understand Signal Words........10-1 Avoid Backover Accidents ........10-16 Follow Safety Instructions........10-1 Emergency Exit ..........10-17 Spanish Safety Signs and Operator's Manual..10-2...
  • Page 6 Contents Page Page Belt Drives Adjustment - First 50 Hours .....25-3 Change Current Date ........40-15 Break-In Check Before First 100 Hours....25-4 Change Current Time ........40-15 Break-In Service After 100 Hours (Tier Language and Units .........40-15 2/Stage II and Tier 3/Stage IIIA).....25-4 Language and Units Settings ......40-16 Break-In Service After 400 Hours (Final Software Manager ..........40-16...
  • Page 7 Contents Page Page Speed ............. 45-C-6 Interactive Combine Adjustment Direction ............45-C-7 Swap............... 45-C-9 Access Interactive Combine Adjustment ..45-A-1 Out of Cab Adjustments ......... 45-C-9 Interactive Combine Adjustment (ICA) Main Page ..........45-A-1 Session Status..........45-A-3 Header Select areas to improve........45-A-4 Access Header ..........
  • Page 8 Contents Page Page Settings | Limiters | Maximum Ground Speed............45-E-13 Folding Settings | Response Aggressiveness ... 45-E-14 Access Folding ..........45-H-1 Folding Main Page.......... 45-H-1 Integrated Combine Adjustment 2 Grain Tank Covers.......... 45-H-3 Access Integrated Combine Folding Auger Tip ........... 45-H-4 Adjustment 2 ..........
  • Page 9 Contents Page Page Air Conditioning (A/C)........45-K-5 Yield | Reset ..........45-O-15 Outside Temperature ........45-K-5 Yield | Edit/Select Calibration .......45-O-16 Yield | Advanced Edit........45-O-18 Yield | Delete Unused Samples ....45-O-19 Transmission ActiveYield™ ..........45-O-19 Access Transmission........45-L-1 ActiveYield™ | Status Indicator ....45-O-20 Transmission Main Page .........45-L-1 ActiveYield™...

  • Page 10: Lights And Signals

    Contents Page Page Left-Hand Cab Items ........45-P-18 Active Terrain Adjustment™ (ATA) Status ..45-Q-3 Overhead Controls ........45-P-19 Automatic Adjustment........45-Q-6 Seat Controls..........45-P-20 Advanced Settings..........45-Q-6 Key Switch............ 45-P-20 Advanced Settings | Uphill Sensitivity ....45-Q-7 Adjusting Steering Wheel ......45-P-21 Advanced Settings | Downhill Sensitivity..45-Q-9 Operate Lights ..........
  • Page 11 Contents Page Page Header Reel/Belt Pickup Pump Standard Speed High Capacity Feed Belt (Variable Speed Feeder Accelerator—Changing Speed.......65-9 House)—Replacing ........55-19 High Speed High Capacity Feed Header Reel/Belt Pickup Pump Accelerator—Changing To Slow Speed ..65-10 Belt (Variable Speed Feeder Concave Recommendations ......65-10 House)—Adjusting ........55-24 Concave Types..........
  • Page 12 Contents Page Page Overshot Beater Belt (If Tailings System Elevator Paddle Equipped)—Replacing .........65-59 Chain—Adjusting .........65-82 Overshot Beater (If Equipped)—Wing Upper Tailings Auger Drive Replacing .............65-60 Chain—Adjusting (Style A)......65-82 Countershaft Right-Hand Front Tailings System Drive Belt—Adjusting Belt—Adjusting..........65-61 (Style B) ............65-83 Countershaft Right-Hand Front Tailings System Drive Belt—Replacing Belt—Replacing ...........65-61 (Style B) ............65-84...
  • Page 13 Contents Page Page Middle Splitter Knife—Replacing Basic Electrical Component Handling (Advanced PowerCast™ Tailboard) .....70-16 / Precautions for Vehicles Equipped Chopper Blades—Centering......70-16 with Computer Controlled Systems....80-2 Chopper Adjusting Switch ........70-18 Handling Batteries Safely ........80-3 Chopper Drive Speeds—Changing ....70-18 Batteries—Safe Installation ........80-4 Advanced PowerCast Spreader Battery Cables—Connecting ......80-4 Disks—Replacing.........70-20...
  • Page 14 Remove Accumulated Crop Debris ....105-3 Rear Wheel Bolt Torque ........85-26 Fire Extinguishers..........105-3 Using Liquid Weight..........85-26 Fire Extinguisher Locations ......105-4 Ballast Requirements (S760)......85-27 In Case of Fire ..........105-4 Ballast Requirements (S770)......85-28 Cleaning Engine Compartment ......105-5 Ballast Requirements (S780 and S790) ...85-29 Jack Pocket Locations Decal......85-30...
  • Page 15 Feeder House Reverser Drive Gear Alternative and Synthetic Lubricants ....115-25 Case Oil ........... 120-B-3 Lubricant Storage ........... 115-25 Variable Speed Feeder House Upper Mixing of Lubricants........115-25 Sheaves (S760 and S770 Machines)..120-B-3 Continued on next page 070717 PN=11...
  • Page 16 Service Interval Chart—Every 400 Radiator, Charge Air Cooler, Oil Cooler, Hours (Continued)........120-G-7 and Condenser......... 120-B-7 Tailings Auger Drive Slip Clutch (S760 Mass Flow Sensor ........120-B-7 and S770 Machines) ........120-G-7 Cab Fresh Air Filter ........120-B-7 Conveyor Auger Drive Slip Clutch ....120-G-8 ActiveVision™...
  • Page 17 Contents Page Page Diesel Exhaust Fluid (DEF) Tank Alternator Screen.......... 120-N-2 Breather (Final Tier 4/Stage IV Moisture Sensor (If Equipped)...... 120-N-3 Engines) ..........120-G-19 ActiveVision™ Clean Grain Elevator Fuel Tank Breather ........120-G-19 Camera (If Equipped)....... 120-N-3 Air Filter Elements ........120-G-19 ActiveVision™ Tailings System Moisture Sensor (If Equipped)....120-G-20 Camera (If Equipped).......
  • Page 18 (Final Tier 4/Stage IV) ......120-P-10 Vacuum Fan Drive Belt—Replacing Specifications (Final Tier 4/Stage IV) ......120-P-10 Operating Speeds (S760 and S770) ....135-1 Vacuum Fan Driven Belt—Replacing Operating Speeds (S780 and S790) ....135-3 (Final Tier 4/Stage IV) ......120-P-11 Specifications (S760 and S770) .......135-5 Variable Speed Fan Drive Specifications (S780 and S790) .......135-7...

  • Page 19: Machine Safety Features

    Safety Features Machine Safety Features Front View/Rear View Safety Features A—Cab Safety Features: C—Headlights H—Shields P—Rotational Alarm Safety Operator's Presence System, D—Slip Resistant Skid Mats I— Rear View Mirrors Features: Discharge Light, Electronic Engine Start E—Safety Signs J— Warning Lights and Reflective Stubble Lights, Gullwing Lockout, Seat Belts, Horn, F—...

  • Page 20: Recognize Safety Information

    Safety Recognize Safety Information This is a safety-alert symbol. When you see this symbol on your machine or in this manual, be alert to the potential for personal injury. Follow recommended precautions and safe operating practices. DX,ALERT -19-29SEP98-1/1 Understand Signal Words DANGER;...

  • Page 21: Driving The Machine

    Safety Spanish Safety Signs and Operator's Manual Spanish versions of the operator's manual and safety signs are available for this machine through authorized John Deere dealers. See your John Deere dealer. OUO6075,0000145 -19-22MAY08-1/1 Driving the Machine Operate machine only when all guards are correctly installed.
  • Page 22 Safety Ballasting for Safe Ground Contact Operating, steering and braking performance of combine can be considerably affected by heavy front end attachments which alter the center of gravity of the combine. To maintain the necessary ground contact, ballast the combine at the rear end as necessary. Observe the maximum permissible axle loads and total weights.

  • Page 23: Work In Ventilated Area

    Safety Work In Ventilated Area Engine exhaust fumes can cause sickness or death. If it is necessary to run an engine in an enclosed area, remove the exhaust fumes from the area with an exhaust pipe extension. If you do not have an exhaust pipe extension, open the doors and get outside air into the area.

  • Page 24: In Case Of Fire

    Safety Handle Starting Fluid Safely Starting fluid is highly flammable. Keep all sparks and flame away when using it. Keep starting fluid away from batteries and cables. To prevent accidental discharge when storing the pressurized can, keep the cap on the container, and store in a cool, protected location.

  • Page 25: Wear Protective Clothing

    Safety Avoid Static Electricity Risk When Refueling The removal of sulfur and other compounds in Ultra-Low Sulfur Diesel (ULSD) fuel decreases its conductivity and increases its ability to store a static charge. Refineries may have treated the fuel with a static dissipating additive.

  • Page 26: Use Safety Lights And Devices

    Safety Keep Hands Away From Knives Never attempt to clear obstructions in front of or on header unless separator is disengaged, parking brake is set, engine is shut off and key is removed. Everyone must be clear of machine before starting engine. OUO6075,00009E6 -19-28SEP10-1/1 Use Safety Lights and Devices Prevent collisions between other road users, slow moving...

  • Page 27: Instructional Seat

    Safety Instructional Seat The instructional seat, if so equipped, has been provided only for training operators or diagnosing machine problems. DX,SEAT,NA -19-22AUG13-1/1 Transport Combine With Header Safely Whenever possible avoid transporting on public roadways with the header attached. If the combine must be transported with the header attached, make sure that the flashing warning lights on the header are operating and the reflective material is clean and visible.

  • Page 28: Practice Safe Maintenance

    Safety Practice Safe Maintenance Understand service procedure before doing work. Keep area clean and dry. Never lubricate, service, or adjust machine while it is moving. Keep hands, feet, and clothing away from power-driven parts. Disengage all power and operate controls to relieve pressure. Lower equipment to the ground.

  • Page 29: Remove Paint Before Welding Or Heating

    Safety Remove Paint Before Welding or Heating Avoid potentially toxic fumes and dust. Hazardous fumes can be generated when paint is heated by welding, soldering, or using a torch. Remove paint before heating: • Remove paint a minimum of 100 mm (4 in.) from area to be affected by heating.

  • Page 30: Stay Clear Of Rotating Drivelines

    Safety Cleaning Grain Tank and Removal of Blockages Safely Avoid serious injury or death from entanglement in the grain tank cross augers. For functional purposes the cross augers cannot be completely covered. Do not enter the grain tank when the engine is running. Before entering the tank to clean out residual grain, always shut off the engine, set parking brake and remove the key If grain bridges and fails to flow into the cross augers, shut...

  • Page 31: Avoid High-Pressure Fluids

    Safety Avoid High-Pressure Fluids Inspect hydraulic hoses periodically – at least once per year – for leakage, kinking, cuts, cracks, abrasion, blisters, corrosion, exposed wire braid or any other signs of wear or damage. Replace worn or damaged hose assemblies immediately with John Deere approved replacement parts.

  • Page 32: Service Tires Safely

    Safety Protect Against High Pressure Spray Spray from high pressure nozzles can penetrate the skin and cause serious injury. Keep spray from contacting hands or body. If an accident occurs, see a doctor immediately. Any high pressure spray injected into the skin must be surgically removed within a few hours or gangrene may result.

  • Page 33: Service Cooling System Safely

    Safety Decommissioning — Proper Recycling and Disposal of Fluids and Components Safety and environmental stewardship measures must be taken into account when decommissioning a machine and/or component. These measures include the following: • Use appropriate tools and personal protective equipment such as clothing, gloves, face shields or glasses, during the removal or handling of objects and materials.

  • Page 34: Support Machine Properly

    Safety Remove Accumulated Crop Debris The build up of chaff and crop debris in the engine compartment, on the engine, and near moving parts is a fire hazard. Check and clean these areas frequently. Before performing any inspection or service, shut off the engine, set the parking brake and remove the key.
  • Page 35 Safety Service Drive Belts Safely When servicing drive belts always observe these precautions: • Avoid serious injury from hand or arm entanglement. Never attempt to clean, check or adjust belts while the machine is running. Always shut off the engine, set the parking brake and remove the key.

  • Page 36: Emergency Exit

    Safety Emergency Exit Seat belt may be cut and window glass broken with hammer to exit cab in an emergency. OUO6075,0004722 -19-21APR17-1/1 Handling Batteries Safely Battery gas can explode. Keep sparks and flames away from batteries. Use a flashlight to check battery electrolyte level.
  • Page 37 Safety Clean Exhaust Filter Safely During exhaust filter cleaning operations, the engine may run at elevated idle and hot temperatures for an extended period of time. Exhaust gases and exhaust filter components reach temperatures hot enough to burn people, or ignite or melt common materials. Keep machine away from people, animals, or structures which may be susceptible to harm or damage from hot exhaust gases or components.

  • Page 38: Operator Presence System

    Safety Rotational Alarm System If operator leaves seat with header and or separator To restart harvesting functions, operator must be in seated engaged, lights flash and an alarm sounds. If operator position and reset and engage separator and header continues to be out of the seat, harvesting functions stop. switches on the armrest console.

  • Page 39: Safety Signs

    Safety Signs Front View Decals Decal A DANGER Avoid serious injury or death from electrocution. Do not contact electric lines. Decal B Decal C Avoid serious injury from contact with hydraulic oil and gas under pressure. Before removing hydraulic components, disassembling or changing accumulator: 1.
  • Page 40 Safety Signs Feeder House Left-Hand Decals CAUTION Header can tilt. Avoid crushing injuries. Stay clear when engine is running. Decal A Avoid serious injury from contact with hydraulic oil and gas under pressure. Before removing hydraulic components, disassembling or changing accumulator: 1.
  • Page 41 Safety Signs Cab Decals and Ladder Decals Decal A CAUTION WARNING Keep all shields in place during normal operations. Keep hands, feet and clothing away from power-driven parts. Disengage power-driven parts and shut off engine before unclogging or servicing machine. Avoid motor vehicle collision If service procedure requires engine to and serious injury or death.
  • Page 42 Safety Signs Left-Hand View Decals WARNING Avoid serious injury from entanglement. Never raise shield with the engine running. Stop engine and remove key. Decal A WARNING Avoid serious injury or death from explosion. High levels of hydrogen gas can accumulate if battery box is not vented properly.
  • Page 43 2. Stop engine and remove key. Use only DRY NITROGEN for recharging accumulator. See your local John Deere dealer. Decal A (S760 and S770) and Decal B (S780 and S790) CAUTION Avoid bodily injury from auger hinge componets.
  • Page 44 Safety Signs Left-Hand View Decals Continued WARNING Decal A WARNING Decal B (If Equipped With Air Compressor System) OUO6075,000459D -19-03FEB17-1/1 15-6 070717 PN=44...
  • Page 45 Safety Signs Left-Hand View Residue Decals Chopper Spreader WARNING Avoid serious injury From thrown objects. Stay clear while engine is running. Decal A Decal B (Spreader Only) OUO6075,000459E -19-03FEB17-1/1 15-7 070717 PN=45...
  • Page 46 Safety Signs Rear View Decals and Engine View Decals Decal A Avoid equipment fires. The accumulation of chaff, leaves and other crop material in the engine compartment, on the engine or near moving parts can cause a fire. Inspect and clean these areas frequently.
  • Page 47 Safety Signs Rear View Decals and Engine View Decals Continued WARNING Decal A (If Equipped With Air Compressor System) OUO6075,00045A0 -19-03FEB17-1/1 15-9 070717 PN=47...
  • Page 48 Safety Signs Right-Hand View Residue Decals Chopper Spreader WARNING Avoid serious injury From thrown objects. Stay clear while engine is running. Decal A Decal B (Spreader Only) OUO6075,00045A1 -19-03FEB17-1/1 15-10 070717 PN=48...
  • Page 49 To avoid bodily injury, special pilot studs are provided for removal and installation. See Decal C (S760 and S770) instructions provided with dual wheels. Decal B (Dual Wheel Only) WARNING CAUTION Avoid bodily injury from rotating...
  • Page 50 Safety Signs Right-Hand View Decals Continued Decal A (If Equipped With Air Compressor System) OUO6075,00045A3 -19-03FEB17-1/1 15-12 070717 PN=50...
  • Page 51 This as a preview PDF file from best-manuals.com Download full PDF manual at best-manuals.com...

This manual is also suitable for:

S770S780S790

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