43PERIODIC SERVICE
A When using a different brand or viscosity oil from the
previous one, remove all of the old oil and oil filter.
Never mix 2 different types of oil.
A Use the proper Engine Oil SAE according to the
ambient temperatures. (See "LUBRICANTS, FUEL
AND COOLANT" in "MAINTENANCE" section.)
BChecking Amount of Fuel and Refueling
To avoid serious injury:
A Handle fuel carefully. If the engine is running,
do not fill the fuel tank. If engine is hot, let
engine cool several minutes before adding fuel.
Do not smoke while filling the fuel tank or
servicing the fuel system. Fill fuel tank only to
bottom of filler neck. Do not fill completely full.
The empty space in the tank allows gasoline to
expand, when it heats up. Never remove the
fuel tank cap or add fuel when the fuel tank is
hot.
Check the fuel level. Take care that the fuel tank does not
become empty. When refueling it, park the machine on a
level surface.
C [GR2020G]
A Do not mix oil with gasoline.
A Tighten the fuel cap until it clicks.
A Do not use the fuel cap other than KUBOTA approved
one.
Unleaded fuel is recommended. Regular leaded gasoline
with an octane rating index of 87 or higher may be used.
Avoid switching from unleaded to regular gasoline to
prevent engine damage.
A Use fuel within approximately 30 days after purchase
to avoid deterioration in fuel quality, or add fuel
stabilizer to keep fuel fresh and stabilized.
A Fuel blend differs from season to season for the best
seasonal engine performance. To prevent engine
performance troubles such as vapor lock or hard
starting, use fuel within the season in which the fuel is
purchased.
A Infrequent use of the engine during a season can
make fuel stale in the fuel tank of the machine. Stale
fuel condition can cause engine performance troubles
by varnish and plugged carburetor components.
A Seal the fuel storage container tightly and store it out
of sunlight and heat to prevent fuel degradation.
A Condensation in the fuel tank may occur because of
various operating or environmental conditions. To
reduce condensation and avoid affecting machine
operation, fill the fuel tank at the end of daily operation
and store fuel in the plastic container.
A Do not use stale fuel.
A Fill fuel tank at the end of daily operation to prevent
condensation in the fuel tank.
Gasoline/Alcohol blends
Gasohol (up to 10% ethyl alcohol, 90% unleaded gasoline
by volume) is approved as a fuel. Other gasoline/alcohol
blends including E20 and E85 are not to be used and any
failures resulting from use of these fuels will not be
warranted.
Gasoline/Ether blends
Methyl Tertiary Butyl Ether (MTBE) and unleaded
gasoline blends (up to a maximum of 15% MTBE by
volume) are approved as a fuel. Other gasoline/ether
blends are not approved.
(1) Oil level dipstick (A) "UPPER LEVEL"
(B) "LOWER LEVEL"
Fuel tank capacity
GR2020G 16 L (4.2 U.S.gals.)
GR2120
GR2120AU
18 L (4.8 U.S.gals.)
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