Kubota ZG222A-AU Operator's Manual page 82

(1) Bottom clean lever
(2) Snap pin
(3) Stay
3. Disassemble and clean the strainer and change the oil
filter cartridge. After reassembling, fill with UDT or
SUPER UDT hydrostatic transmission fluid, or its
equivalent.
(1) Transmission strainer
4. After running the engine for a few minutes, stop it and
check the oil level again; add oil to the prescribed
level.
A Operate only at low rpms immediately after changing
the transmission fluid and the filter cartridge.
Keep the engine at medium speed for a few minutes to
insure proper lubrication of all parts so there is no
damage to the transmission.
(A) Air intake screen
(B) Dust cover
(P) "PUSH DOWN"
(A) Bottom clean lever
(B) Dust cover
PERIODIC SERVICE
(1) Drain plug of axle case (on both sides)
(1) Transmission oil filter
(1) Oil level dipstick
(2) Oil plug and breather cup
65
(A) Oil level is acceptable
within this range.