John Deere Combines S785

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).

Grease Two-Speed Four-Wheel Drive Motor Pivots

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

Grease Final Drive Outer Bearings (Normal Conditions)

Grease Variable Speed Feeder House Reverser Drive Gear Case (S760 and S770 Machines) (Normal Conditions)

Check Feeder House Reverser Gear Case Oil

Grease Variable Speed Feeder House Upper Sheaves (S760 and S770 Machines)

Check/Clean Lateral Tilt Feeder House

Cycle Separator Variable Speed Driven/Driver Sheaves

Grease Separator Variable Speed Driven/Driver Sheaves (S770 Optional, S780, S785 and S790 Machines)

Clean/Replace Recirculating Filter

Clean/Replace Cab Fresh Air Filter

Fill Windshield Washer Reservoir

Clean Moisture Sensor (If Equipped)

Clean Moisture Sensor Bypass Auger

Shut off engine, set park brake, and remove key.

Remove pins (A) and end cap (B).

Remove auger (C) from the moisture sensor bypass.

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, indicating that the filter tool is fully engaged

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

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, indicating that the filter tool is fully engaged

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