21PERIODIC SERVICE
ENGLISH
4. The procedure for the mixing of water and anti-freeze
differs according to the make of the anti-freeze. Refer
to SAE J1034 standard, more specifically also to SAE
J814c.
*At 1.013 x 10 Pa (760 mmHg) pressure
(atmospheric). A higher boiling point is obtained by
using a radiator pressure cap which permits the
development of pressure within the cooling system.
5. Adding the LLC
(1) Add only water if the coolant level reduces in the
cooling system by evaporation.
(2) If there is a coolant leak, add the LLC of the same
manufacturer and type in the same coolant
percentage.
*Never add any long-life coolant of different
manufacturer. (Different brands may have different
additive components, and the engine may fail to
perform as specified.)
6. When the LLC is mixed, do not employ any radiator
cleaning agent. The LLC contains anti-corrosive
agent. If mixed with the cleaning agent, sludge may
build up, adversely affecting the engine parts.
7. Kubota's genuine long-life coolant has a service life of
2 years. Be sure to change the coolant every 2 years.
A The above data represents industry standards that
necessitate minimum glycol content in the
concentrated anti-freeze.
AIR CLEANER
Since the air cleaner employed on this engine is a dry
type, never apply oil to it.
1. Open the evacuator valve once a week under ordinary
conditions - or daily when used in a dusty place. This
will get rid of large particles of dust and dirt.
2. Wipe the inside air cleaner clean with cloth if it is dirty
or wet.
3. Avoid touching the element except when cleaning.
4. When dry dust adheres to the element, blow
compressed air from the inside turning the element.
Pressure of compressed air must be under 205 kPa
(2.1 kgf/cm , 30 psi).
5. Replace the primary element every year or every 6
cleanings.
If the primary element is stained heavily, replace it
soon. At this time, replace the secondary element too.
6. The secondary element should be removed only if it is
to be replaced.
7. To protect the engine, do not remove the secondary
element in servicing the primary element.
A Make sure the hooking clip for cover for the element is
tight enough. If it is loose, dust and dirt may be sucked
in, wearing down the cylinder liner and piston ring
earlier and thereby resulting in poor power output.
A Do not overservice the air cleaner element.
Overservicing may cause dirt to enter the engine
causing premature wear. Use the dust indicator as a
guide on when to service.
BCleaning primary air cleaner element
1. To clean the element, use clean dry compressed air
on the inside of the element.
Air pressure at the nozzle must not exceed 205 kPa
(2.1kgf/cm , 30psi).
Maintain reasonable distance between the nozzle and
the filter.
Vol %
Anti-freeze
Freezing Point Boiling Point *
50 -37 -34 108 226
(1) Air cleaner body
(2) Cover
(3) Secondary element
(4) Primary element
(5) Evacuator valve
EG523-8916-2_E.book 21 ページ ２０１１年１２月１９日 月曜日 午後４時５９分
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