John Deere Combines S780

Main Engine Gear Case Oil- Drain oil at plugs (A)

S760 and S770 ProDrive™ Machines: Remove and replace filter (B). Coat seal on the new filter with oil. Hand tighten, then tighten 1/2 turn more

ProDrive™ Machines: Transmission Oil- Drain oil at plug (C)

ProDrive™/Main Engine Gear Case Lube Filter - Remove and replace filter (D). Coat seal on the filter with oil. Hand tighten, then tighten 1/2 turn more

Fill Main Engine Gear Case until oil is at the bottom line on dipstick (E)

Install dipstick and run engine for 1 minute minimum

Shut OFF engine and let machine sit for 5 minutes allowing air to settle from oil

Remove dipstick and check oil level. Add oil until oil level is at the top line on dipstick

Repeat procedures until oil level remains at the top line on dipstick

Warning: This replacement procedure requires trained personnel with PPE!

Main Engine Gear Case Filter (S760 and S770 ProDrive™ Machines) replaced?

Parts replaced as per maker's standard?

Main Engine Gear Case Lube Filter (ProDrive™ Machines) replaced?

Sign off on the 100 Hourly Replacement

Clean Rotary Screen, Oil Cooler, Condenser, Radiator, and Charge Air Cooler

Check Hydrostatic/Hydraulic Oil

Check Main Engine Gear Case Oil

Drain Water from Air Compressor Reservoir (If Equipped)

Grease Two-Speed Four-Wheel Drive Motor Pivots

Grease Two-Wheel Drive Heavy-Duty and Extra Heavy-Duty Axle Spindle Bearings/Pivot Pins (Muddy Conditions)

Replace Diesel Exhaust Fluid (DEF) Dosing Unit Filter (Final Tier 4/Stage V S780, S785, and S790 Machines)

Cleared all debris from area around the DEF dosing unit

Removed and discarded the equalizing element (B)

Inserted “Black” end of the filter tool (C) into the DEF dosing unit filter (D) until a CLICK is felt or heard

Pulled filter tool and DEF dosing unit filter from the DEF dosing unit. Discarded DEF dosing unit filter and filter tool

Cleaned DEF dosing unit threads and mating surfaces with distilled water

Lubricated DEF filter O-rings with clean DEF. Carefully inserted DEF dosing unit filter into the DEF dosing unit

Installed new DEF dosing unit filter equalizing element into the DEF dosing unit filter

Open drain valve (A) to drain oil

Close valve once oil is drained

Remove cap (B) and fill hydraulic reservoir until oil level is at top of sight glass (C) with the feeder house fully lowered

Check Final Drives Oil (both sides)

Remove the drain plug (A) from the final drive

Allow the final drive oil to drain

Install the drain plug once the oil is drained

Remove the fill plug (B) from the final drive