Kubota ZG222A-AU Operator's Manual page 98

(1) Carburetor fuel valve
(2) Element
(3) Packing
(4) Fuel filter bowl
(5) Ring screw
A Use caution not to damage or lose the element or
packing.
A Replace any element that shows an excessive
plugging with a new one.
4. Reinstall the packing and element, using caution not to
contaminate them.
A Mixing of dirt or foreign matter in the fuel might cause
the malfunction of the engine.
STORAGE 81