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Read articles →This short clip covers a hydraulic oil change on a Kubota B2420, prompted by an air lock issue caused by a clogged rubber air pipe under the seat that spilled the oil. It walks through draining oil from two axle-side nuts, swapping the hydraulic filter, and refilling with about 8 of 10 liters while checking the gauge. Useful for owners troubleshooting a similar air lock or doing a basic hydraulic oil/filter service, not a deep how-to.
Appears to be an owner or operator documenting a hands-on repair on their own machine, with informal narration rather than professional instruction.
An air lock occurred because a rubber air pipe under the seat got clogged with dirt, causing oil to spill out on that side.
Open the two nuts under the axle, one sized 14 and one sized 12, one on each side, and let the oil fully drain out.
The tank holds 10 liters and about 8 liters were added back while checking the gauge to confirm the correct level.
