John Deere S760, S770, S780, and S790 Combines — Contents

Contents Page Page Middle Splitter Knife—Replacing (Advanced PowerCast™Tailboard).............70-16 Chopper Blades—Centering.............................70-16 Chopper Adjusting Switch ................................70-18 Chopper Drive Speeds—Changing ..................70-18 Advanced PowerCast Spreader Disks—Replacing.........................................70-20 Spreader (General Information)........................70-22 Spreader—Windrow Position ...........................70-22 Spreader—Lowering.........................................70-24 Spreader Disks (Single Speed)—Replacing.....70-25 Spreader Disks (Dual Speed)—Replacing .......70-26 Wide Spread Straw Spreader (Optional)..........70-27 Chopper Drive Belt Tension—Adjusting ...........70-28 Chopper Belt—Replacing.................................70-29 Chopper Jackshaft Belt—Adjusting..................70-34 Chopper Jackshaft Belt—Replacing (Style A) .......................................................70-34 Chopper Jackshaft Belt—Replacing (Style B) .......................................................70-37 Basic Electrical Component Handling / Precautions for Vehicles Equipped with Computer Controlled Systems................80-2 Handling Batteries Safely ...................................80-3 Batteries—Safe Installation ................................80-4 Battery Cables—Connecting ..............................80-4 Batteries—Charging ...........................................80-5 Batteries—Checking Specific Gravity.................80-5 Batteries—Connecting Booster ..........................80-6 Batteries—Removing and Installing (Style A) .........................................................80-6 Batteries—Removing and Installing (Style B) .........................................................80-7 Battery Disconnect Switch..................................80-8 Machine Fuse Center .........................................80-9 Inline Fuses ......................................................80-10 Cab Fuse Center ..............................................80-10 Video Safety .....................................................80-11 Video Interface Capability.................................80-11 Adjust Cameras (If Equipped) ..........................80-12 Safety Rules When Replacing Halogen Bulbs ..80-12 Cab Headlight Bulb—Replacing.......................80-13 Cab Headlights—Adjusting...............................80-13 Cab Halogen Light Bulb—Replacing................80-14 Cab Halogen Lights—Adjusting........................80-14 Fascia Light Bulb (If Equipped)—Replacing.....80-15 Lower Driving Light Bulb (If Equipped)—Replacing .................................80-15 Lower Driving Light Bulb (If Equipped)—Adjusting ..................................80-16 Light Emitting Diode (LED) Lights (Optional)—Replacing..................................80-16 Light Emitting Diode (LED) Lights (Optional)—Adjusting...................................80-18 Beacon Lights—Replacing ...............................80-19 Warning Lights—Replacing ..............................80-19 Discharge Lights, Auxiliary Field Lights, Access Door Work Lights, Stubble Lights, Grain Tank and Unloading Auger Light—Replacing ...............................80-20 Side Finder Lights and Cleaning Shoe Lights—Replacing........................................80-20 Warning Lights—Replacing ..............................80-20 Rear Hazard Lights and Marker/Brake Lights—Replacing........................................80-21 Cab Interior Light—Replacing ..........................80-21 Map Light—Replacing ......................................80-21 Grain Tank and Unloading System Grain Tank/Engine Ladder..................................75-1 Grain Tank Drain Holes ......................................75-1 Grain Tank Sample Trough.................................75-2 Grain Tank Fill Sensors—Adjusting....................75-3 Grain Tank Covers (If Equipped)—Operating.....75-3 Grain Tank Covers (If Equipped)—Adjusting......75-4 Grain Tank Cross Auger Covers.........................75-4 ActiveYield™(If Equipped) Cross Auger Covers—Removing .............................75-5 ActiveYield™(If Equipped) Sensor Locations....75-6 Shear Bolt Location ............................................75-6 Unloading Auger Drive Shear Bolt......................75-7 Grain Tank Loading Auger Deflector ..................75-7 Grain Tank Loading Auger (Grain Tank Extensions)—Folding.....................................75-7 Grain Tank Loading Auger (Grain Tank Covers)—Adjusting ........................................75-8 Mass Flow Sensor Plate (Grain Tank Extensions)—Cleaning...................................75-9 Mass Flow Sensor Plate (Grain Tank Covers)—Cleaning.......................................75-10 Unloading Auger Drive Chain—Adjusting.........75-10 Unloading Auger Cradle Support—Adjusting ...75-11 Unloading Auger Position—Adjusting...............75-11 Unloading Auger Lock Arm Positions...............75-12 Unloading Auger Drive Belt—Replac- ing (Style A)..................................................75-12 Unloading Auger Drive Belt—Replac- ing (Style B)..................................................75-14 Ground Drive and Rear Axle Service Tires Safely............................................85-1 Tire Loading Decal .............................................85-1 Care and Service of Tires...................................85-2 Front Tire Pressure (Single Tire Configuration) (Corn Heads)..........................85-3 Front Tire Pressure (Dual Tire Configuration) (Corn Heads)..........................85-5 Service - Electrical System Welding Near Electronic Control Units ...............80-1 Keep Electronic Control Unit Connectors Clean ..........................................80-1 Observe Electrical Precautions ..........................80-1 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