John Deere Tractor 5090M

1. Park machine on level ground and shut off engine. Remove key.

2. Allow engine to cool completely.

3. Raise hood and check level in the coolant recovery tank (B).

4. If coolant level is below the MIN COLD mark, remove cap (A) and add coolant to the recovery tank. Fill tank level between MIN COLD and MAX COLD marks with Cool-Gard II pre-diluted coolant. (See Fuel, Lubricants, and Coolants section.)

Check Transmission/Hydraulic System Oil Level

1. Park machine on level ground, lower hitch, and other hydraulic implements.

1. Park machine on level ground and shut off engine.

4. Remove engine oil fill cap/dipstick (A). Wipe off, then fully reinsert the dipstick.

5. Remove engine oil fill cap/dipstick (A). Check engine oil level. Oil level must be between two marks on dipstick.

6. If level is low, add oil through engine oil fill hole until even with the top mark on dipstick. Do not overfill.

7. Reinstall engine oil fill cap/dipstick (A) before operating engine.

Clean Air Filter Dust Unloading Valve

Park machine, shut off engine, and remove key.

Remove and retain cap screws (A), wire clips (B), connector clip (C), and fan shield (D).

Remove and retain cap screws (A), lock nut (B), and fan shield (C).

Inspect hose clamps (A) on the bottom of the coolant tank. Tighten any loose hose clamps.

Inspect hose clamps (A). Tighten any loose hose clamps.

Inspect hose clamps (A). Tighten any loose hose clamps.

Inspect hose clamps (A). Tighten any loose hose clamps.

Reinstall shields and lower hood before operating machine.

Change Transmission/Hydraulic Filter

1. Park machine on level ground and shut off engine. Remove key.

2. Remove transmission oil fill cap and use a shop-vac to apply suction to the fill port to prevent excessive draining of hydraulic fluid.

3. Remove transmission/hydraulic oil filter (A) from the filter base.

4. Clean threads on the filter base and on new filter.

5. Apply oil to the new filter seal and install transmission/hydraulic oil filter. Tighten filter by hand, then tighten an additional 1/8 turn.

6. Check oil level with transmission oil dipstick (C).

7. If level is low, remove transmission oil fill cap (B) and add transmission/hydraulic oil as necessary to fill system. (See Fuel, Lubricants, and Coolants section for correct oil.)

8. Recheck oil level after five minutes of operation

Change Open Crankcase Ventilation Filter

1. Remove and retain cap screw (A), spring (B), and lock nut (C).

2. Loosen hose clamp (C) and remove hose (D) on top of the open crankcase vent filter housing.

3. Loosen hose clamp (G) and remove hose (H) on bottom of the open crankcase vent filter housing.

4. Unscrew open crankcase vent filter housing top and remove filter.

5. Inspect open crankcase vent filter housing. Clean if necessary.

6. Install new filter and reinstall filter housing top.

7. Reinstall open crankcase vent filter housing.

Change Transmission/Hydraulic Oil and Filter