John Deere Combines S770

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 Engine Oil and Filter (Tier 2/Stage II)

Style A: Engine Crankcase Top Load Oil Filter: Remove cap (A) and remove filter. Replace filter and install cap. Tighten to specification.

Style B: Engine Crankcase Oil Filter: Remove and replace oil filter (B).

Style A: Engine Crankcase Top Load Oil Filter Remove dipstick (D) to fill and check oil level after filling.

Style B: Engine Crankcase Oil Filter: Remove cap (E) to fill and check oil with dipstick (F) after filling.

Change Engine Oil and Filter (Final Tier 4/Stage V)

Style A: Engine Crankcase Top Load Oil Filter: Remove cap (A) and remove filter. Replace filter and install cap. Tighten to specification.

Style B: Engine Crankcase Oil Filter: Remove and replace oil filter (B).

Check Water Separator (S780, S785, and S790 Machines)

Replace Primary and Secondary Fuel Filter

Grease Variable Speed Driver/Driven Sheaves (Final Tier 4/Stage V S760 and S770 Machines)

Grease Unloading Auger Upper Gear Case

Grease Header/Reel Drive Pump Sheave Bearing

Grease Primary Countershaft Universal Joint Spline (Non-Multi-Speed Feeder House)

Grease Vertical Unloading Auger Upper Gear Case (S780, S785, and S790 Machines)

Grease Chopper/Unloading Driveshaft Bearing

Change Feeder House Reverser Gear Case Oil

Feeder house raised and safety stop lowered

Refilled oil at dipstick opening (B)

Oil level checked with the feeder house raised up

Sign off on the 800 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)