GENERAL
B2420, WSM
G-30
(Continued)
• When the antifreeze is mixed with water, the antifreeze
mixing ratio must be less than 50 %.
*At 1.013 × 10
5
Pa (760 mmHg) pressure (atmospheric). A higher boiling points is
obtained by using a radiator pressure cap which permits the development of
pressure within the cooling system.
5. Adding the LLC
– Add only water if the mixture reduces in amount by
evaporation.
– If there is a mixture leak, add the LLC of the same
manufacture and type in the same mixture percentage.
*Never add any long-life coolant of different manufacture.
(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 anticorrosive 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.
• The above data represent industry standards that
necessitate a minimum glycol content in the concentrated
anti-freeze.
• When the coolant level drops due to evaporation, add water
only to keep the antifreeze mixing ratio less than 50 %. In
case of leakage, add antifreeze and water in the specified
mixing ratio before filling in to the radiator.
9Y1210436GEG0013US0
Vol %
Anti-freeze
Freezing Point Boiling Point*
°C °F °C °F
40 −24 −12 106 222
50 −37 −34 108 226
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