Claas Arion 410 / 420 / 430 / 440 / 450 / 460 service schedule

1. Warm the engine, then park on level ground, lower the linkage, loader and any implement to the ground, 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 the oil your handbook gives, to the full mark.
7. Run the engine for a minute, check for leaks, stop it and recheck the level.

Tools: Drain tray (25 L), Filter wrench, Spanner for sump plug, Funnel, Rags, Gloves

1. Stop the engine, take the key out and chock the wheels. Keep naked flames away.
2. Clean around the filters before opening anything.
3. Drain any water from the separator into a container.
4. Remove the old filters and fit the new ones with clean seals.
5. Prime the system as your handbook describes. Never crack open the high-pressure pipes on a common-rail engine.
6. Start the engine and check for leaks.

Tools: Container for fuel, Filter wrench, 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 outer element. Only remove the inner element when replacing it.
3. Wipe the housing out with a damp cloth. Do not blow dirt down the intake.
4. Fit the new element(s), check they seat evenly and close the housing.

Tools: Torch, Damp cloth

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 the oil your handbook gives, run the engine, work the hydraulics through their full travel, lower everything and recheck the level.

Tools: Large drain tray (80 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.
3. Wear a dust mask. Tap the filters out gently, or fit new ones if damaged.
4. Refit the covers and check they seal.

Tools: Screwdriver, Dust mask

1. Park on level ground, stop the engine, take the key out and chock the wheels.
2. Drain the differential and each hub into a tray (warm oil drains best).
3. Refit the plugs and fill to the level plug or mark in your handbook.
4. Check for leaks after a short drive.

Tools: Drain tray, Spanners, Funnel, Gloves

1. Let the engine cool fully before opening the cap.
2. Drain the system, flush with clean water and refill with the coolant type in your handbook.
3. Run the engine to temperature, bleed any air and top up.

Tools: Drain tray, Funnel, Hose clamps pliers