Kubota Z724X, Operator'S Manual

Page: 58 / 96

41 PERIODIC SERVICE
ENGLISH
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
operations.
A Do not use old fuel.
[Use of alcohol mixed gasoline]
Only use gasoline containing ethanol when the ethanol is
10% or less of the fuel. When using gasoline containing
MTBE, the MTBE is 15% or less of the fuel mixture. The
use of methanol additive is not recommended. For the
best results, use unleaded fuel with a minimum of 87
octane.
B Checking and Cleaning Air Intake Screen
To avoid serious injury:
A
Be sure to stop the engine and remove the key
before cleaning.
A
Make sure that the engine is cool to the touch
before cleaning.
A
The air intake screen and air intake area must be clear
of debris to prevent the engine from overheating.
Daily or after every 5 hours of operation, check to be sure
the air intake screen and the air intake area are clean.
Dirt or chaff around the air intake screen and air intake
area or the engine cooling area decrease cooling
performance.
1. Check that the air intake screens are clear of grass
clippings and debris.
2. If screens are dirty, clean screens with a brush or
cloth.
3. Remove the dust and all foreign material from the
engine plate.
(1) Fuel tank cap
(2) Fuel tank filler neck
(3) Empty space
(4) Max. fuel level (C) Clearance
(Fuel level is under the filler neck.)
(1) Air intake screen