Filters, buttons, etc for Iseki TU 1900F

[BuddyA]

Can someone help me to cross reference part numbers for filters for TU1900F? Specifically, air, oil, fuel and hydraulic filters. Also there is a red button to the left of the steering column on the dash. Can someone tell me the purpose of this button?

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[buppy69]

On Hinomotos, the red button is to check to see if the bulbs in your warning lights are burned out. Push it and see if your warning lights come on.

Eugene