John Deere 7200 / 7400 / 7600 / 7700 / 7800 service schedule

1. Warm the engine, park on level ground, lower the linkage, loader and any implement, stop the engine, take the key out and chock the wheels.
2. Let it stand a few minutes. Hot oil burns, so wear gloves.
3. Remove the sump plug and let the oil drain fully.
4. Remove the filter, check the old seal came off, and wipe the filter head clean.
5. Oil the new filter seal and fit it hand-tight as marked on the filter.
6. Refit the plug and fill with Plus-50 II to the full mark.
7. Run the engine for a minute, check for leaks, stop it and recheck the level.

Tools: Drain tray (30 L), Filter wrench, Spanner for sump plug, Funnel, Gloves, Rags

1. Park on level ground, lower the linkage, loader and implements fully, stop the engine, take the key out and chock the wheels.
2. With the engine off, work the spool and linkage controls to relieve hydraulic pressure.
3. Let hot oil cool before starting; it burns.
4. Clean around each filter, remove it and catch the oil.
5. Fit the new filters with oiled seals.
6. Run the engine briefly, stop, check for leaks and top up with Hy-Gard.

Tools: Drain tray, Filter wrench, Rags, Gloves

1. Stop the engine, take the key out and chock the wheels. Keep naked flames away.
2. Clean around the strainer and put a container under it.
3. Fit the new strainer with the flow arrow the right way, then bleed the system as your handbook describes.
4. Start the engine and check for leaks.

Tools: Container for fuel, Rags, Gloves

1. Stop the engine and take the key out. Never run the engine with the filter out.
2. Open the housing and take out the primary element. Leave the secondary element in place.
3. Wipe the housing out with a damp cloth. Do not blow dirt down the intake.
4. Fit the new element, check it seats evenly and close the housing.

Tools: Torch, Damp cloth

1. Stop the engine and take the key out.
2. Remove the primary element, then the secondary element, without letting dirt fall into the intake.
3. Fit the new secondary element straight away, then refit or renew the primary.
4. Close the housing and check the clips.

Tools: Torch, Damp cloth

1. Stop the engine, take the key out and chock the wheels. Keep naked flames away.
2. Clean around the filter before opening anything.
3. Drain any water from the filter bowl into a container.
4. Remove the old filter and fit the new one with a clean seal.
5. Prime the system as your handbook describes.
6. Start the engine and check for leaks.

Tools: Container for fuel, Filter wrench, Rags, Gloves

1. Park on level ground, lower the linkage, loader and implements fully, stop the engine, take the key out and chock the wheels.
2. With the engine off, work the spool and linkage controls to relieve hydraulic pressure.
3. Let hot oil cool for a while, then drain it from the drain plugs.
4. Refit the plugs and fit the new filters.
5. Fill with Hy-Gard, run the engine, work the hydraulics through their full travel, lower everything and recheck the level.

Tools: Large drain tray (100 L), Spanners, Filter wrench, Pump or funnel, Gloves

1. Stop the engine and take the key out.
2. Open the filter covers and remove the elements, wearing a dust mask.
3. Fit new filters the right way round and check the covers seal.

Tools: Screwdriver, Dust mask

1. Park on level ground, lower implements, stop the engine, take the key out and chock the wheels.
2. Turn the wheels so each final-drive plug is in the drain position your handbook shows.
3. Drain the housing and both final drives.
4. Refit the drain plugs and fill each to its level plug with Hy-Gard.

Tools: Drain tray, Spanners, Oil pump or squeeze bottle

1. Only work on a cold engine. Open the cap slowly to let pressure out.
2. Drain the radiator and block into a tray. Dispose of old coolant properly.
3. Refit the plugs and fill with Cool-Gard II.
4. Run the engine to working temperature with the heater on, let it cool and top up.

Tools: Drain tray, Hose, Coolant test strips