John Deere Tractor 5103

Is oil level between two marks on dipstick?

DO NOT operate engine when oil level is below low mark on dipstick.

If level is low, add oil through oil filler hole until even with upper mark. DO NOT over fill.

Check coolant level in coolant tank

If engine is cool and level is below 'LOW' add coolant to recovery tank to bring to 'LOW'.

Drain water and sediment from fuel tank

Drain water and sediment from fuel filter

• Change transmission-hydraulic oil and filter

1. Lower rockshaft to remove trapped oil.

2. Remove drain plug (A) from transmission case and drain out oil. Dispose of waste oil properly.

3. If equipped with MFWD axle, also remove drain plug (B) in drop housing.

4. Replace filter (B) while changing oil. Apply a film of oil to new filter gasket and install new filter. Hand tighten only.

5. Fill system with transmission-hydraulic oil. (See Fuels, Lubricants and Coolant section.)

6. Check oil level at dipstick (D) after filling, and again after operating for five minutes.

• Clean transmission-hydraulic pickup screen

1. Drain transmission-hydraulic oil. (See Change Transmission-Hydraulic Oil and Filter in this section.)

Is the oil level between the upper and lower marks of the dipstick?

Do not operate the engine if oil level is below minimum mark. In this case, add recommended oil.

Check coolant level of radiator expansion tank

Is the coolant level at or above the LOW mark?

Lubricate the following points every 10 hours if operating the tractor in extremely wet or excessively muddy conditions.

Check hydraulic oil level of transmission

Is the oil level between the marks on the dipstick?

Open hood and remove side screen

Clean out any dirt in canister taking care not to damage the secondary filter element

Removal of the secondary element (D) is similar to removal of the primary element

Install secondary element, primary element and cover

Remove thermostat cover and thermostat

Flush system with radiator cleaner

Remove thermostat cover and clean off the gasket material

Apply gasket sealant to new gasket and install thermostat and cover