John Deere Combines S770

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

S760andS770ProDrive™Machines:Removeand 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 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

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)

Clear all debris from area around the DEF dosing unit

Remove and discard the equalizing element (B)

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

Pull filter tool and DEF dosing unit filter from the DEF dosing unit. Discard DEF dosing unit filter and filter tool

Clean DEF dosing unit threads and mating surfaces with distilled water

Lubricate DEF filter O-rings with clean DEF. Carefully insert DEF dosing unit filter into the DEF dosing unit

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

Install filter cover and tighten to specification

Change Hydraulic/Hydrostatic Reservoir Oil

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.

Clean/Replace Recirculating Filter

Grease Primary Countershaft (Multi-Speed Feeder House on S770, S780, S785, and S790 Machines)

Grease Separator Variable Speed Driven/Driver Sheaves (S760 and S770 Machines)

Sign off on the 200 Hourly Maintenance