Kubota L2501 service schedule

1. Work somewhere clean, not out in the field. Make sure the fuel tank is under half full, so fuel does not run back from the return pipe.
2. Undo and remove the filter bowl, then rinse the inside with kerosene.
3. Take out the element and rinse it in kerosene.
4. Reassemble without letting dust in, then bleed the fuel system.

Tools: Kerosene in a clean tub, Rags

1. Remove the element. Blow dry dust out from the inside while turning it, at no more than 205 kPa (30 psi).
2. For carbon or oil, soak it in detergent for 15 minutes, wash several times and rinse in clean water, then air-dry.
3. Look through it with a light for holes. Replace if damaged.
4. Check the evacuator valve for blockage: once a week normally, daily in dust.
5. Refit the cover with its arrow pointing up. Never run the engine without the element.

Tools: Compressed air (maximum 205 kPa / 30 psi), Detergent

1. Stop the engine and take the key out.
2. Press the belt with moderate thumb pressure (98 N) midway between the pulleys. It should move 7–9 mm.
3. If not, loosen the alternator bolts, lever the alternator out until the deflection is right, then tighten the bolts.

Tools: Spanner for alternator bolts, Lever

1. Stop the engine, chock the wheels and release the parking brake.
2. Clutch (gear type): free travel should be 20–30 mm. Loosen the lock nut, turn the clutch rod, then retighten.
3. Brakes: free travel should be 15–20 mm and equal left and right. Loosen the lock nut, turn the brake rod, then retighten.

Tools: Spanners, Rule

1. Read the indicator: green is good, black needs charging, white means replace (do not charge it).
2. On a refillable battery keep the fluid between the UPPER and LOWER marks with distilled water.
3. Check the cable terminals are tight. When disconnecting, take the negative off first.

Tools: Eye protection, Rubber gloves

1. Stop the engine and let it cool. Put an oil pan under the transmission oil filter.
2. Remove the filter. Do not remove the hydraulic oil filter.
3. Coat the new filter's rubber seal with clean transmission oil.
4. Screw it on until the seal touches, then tighten a further 1 turn with a filter wrench.
5. Top up the oil to the upper line on the gauge.
6. Run the engine for a few minutes, stop, recheck the level and check for leaks.

Tools: Oil pan, Filter wrench, Clean rag

1. Park on level ground with the front wheels straight, implement lowered, parking brake on and engine stopped.
2. Measure between the tyre beads at hub height at the front, then at the rear. The front should be 2–8 mm shorter.
3. If not, loosen the lock nuts, turn the turnbuckle to change the tie rod length and retighten.

Tools: Tape measure, Spanners

1. Park on level ground, stop the engine, take the key out and let it cool until the oil is warm, not hot.
2. Take out the drain plug at the bottom of the engine and drain all the oil into the tray. Refit the plug.
3. Unscrew the old oil filter. Wipe a film of clean engine oil on the rubber seal of the new one.
4. Screw the new filter on until the seal touches, then tighten it by hand a further half turn only.
5. Fill with new oil to the upper notch on the dipstick (5.7 L with filter).
6. Run the engine and check for leaks at the seal. Stop, wait a few minutes and top up to the dipstick range.

Tools: Drain tray (8 L), Filter wrench, Funnel, Shop towels, Gloves

1. Stop the engine, take the key out and let it cool a little. The oil can still be hot.
2. Remove the drain plugs at the bottom of the transmission case and drain all the oil. Refit them.
3. Remove the hydraulic oil filter. Wipe the metal filings off the magnetic filter with a clean rag.
4. Coat the new filter's seal with clean transmission oil. Screw it on until it touches, then a further half turn by hand.
5. Fill with Super UDT-2 to the upper line on the gauge.
6. Run the engine for a few minutes, stop, recheck the level and top up. Check the filter seal for leaks.

Tools: Drain tray (30 L), Filter wrench, Funnel, Clean rag, Gloves

1. Make sure the tank is under half full. Remove the filter bowl and take out the old element.
2. Fit the new element and refit the bowl, keeping dirt out.
3. Bleed the fuel system and check for leaks.

Tools: Rags, Small tray

1. Loosen the lock nut.
2. Screw the adjusting screw in until it seats, then a further 1/6 turn.
3. Retighten the lock nut.

Tools: Spanners

1. Remove the left and right drain plugs and the filling plug and drain all the oil. Refit the drain plugs.
2. Pour in new oil slowly through the filling port up to 4.5 L. If it overflows, wait a few minutes.
3. Refit the filling plug and run the tractor for a few minutes.
4. Remove the level check plug. If no oil comes out, add more until it does, then refit both plugs.

Tools: Drain tray (6 L), Funnel

1. Book it with a Kubota dealer. The clearance figure is not in the handbook: check your handbook or ask the dealer.

1. Remove the old element and fit the new one.
2. Refit the cover with its arrow pointing up so dust cannot bypass the baffle.

1. Stop the engine, take the key out and let it cool completely.
2. Open the radiator drain plug and take off the cap to drain all the coolant. Refit the plug.
3. Fill with clean soft water and radiator cleaner and follow the cleaner's instructions, then drain and rinse.
4. Refill with 50/50 coolant to just below the cap, refit the cap tightly and fill the recovery tank to FULL.
5. Run the engine a few minutes, stop, let it cool and top up the recovery tank.
6. Dispose of the old coolant properly.

Tools: Drain tray (10 L), Gloves

1. Check all fuel and air hoses and clamps are tight, with no cracks, hardening or damage.
2. Replace or repair any worn hose or clamp straight away. If you remove a fuel line, bleed the fuel system.

Tools: Screwdriver