Kubota ZD221, Operator'S Manual

Page: 75 / 95

PERIODIC SERVICE 58
ENGLISH
EVERY 400 HOURS
B
Changing Transmission Fluid and Rear
Axle Gear Case Oil (RH and LH)
To avoid personal injury:
A
Be sure to stop the engine and remove the key
before changing or checking the oil.
A
Allow transmission case to cool down
sufficiently; oil can be hot and may cause
burns.
The fluid in the transmission case is also used for the
hydrostatic drive system.
1. To drain the transmission oil, place the oil pan
underneath the transmission case and remove the
drain plug at the bottom of the transmission case.
2. After draining, 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.
3. 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 RPM's 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.
(1) Transmission strainer
(2) Drain plug of center case
(1) Drain plug of axle case
(1) Transmission oil filter
(1) Oil level dipstick
(2) Oil plug and breather cup (A) Oil level is acceptable
within this range.