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Anti-Freeze
If the cooling water freezes, the engine cylinder and
radiator may crack. In cold weather before the tem-
perature drops below 0 °C(32 °F), drain out the water
or add a proper amount of anti-freeze when the tractor
is shut down.
1. There are two types of anti-freeze solutions, per-
manent type(PT) and semi-permanent type(SPT).
For the KIOTI Engine, be sure to use the perma-
nent type.
2. Radiator should be filled with anti-freeze and water
solution as recommended by the anti- freeze manu-
facturer. The anti-freeze contains a corrosion inhibi-
tor and will allow a higher operating temperature in
the radiator during the hot season. Remember that
the effective cooling water capacity of the radiator
is 8.6
( 2.25 u.s.gal. ).
3. Mix the anti-freeze and the water, then pour the mix-
ture into the radiator.
4. When the cooling water mixed with anti-freeze de-
creases due to evaporation, refill with water only. If
loss has been due to leaking, add water and anti-
freeze mixture with the same mix ratio as the origi-
nal preparation.
5. Anti-freeze solutions absorb moisture, so be sure
to securely close the container after use.
6. Anti-freeze and water should be changed every year.
7. Do not use an anti-freeze and a scale inhibitor at
the same time. This may cause sludge to form,
adversely affecting the engine parts.
Checking and Cleaning Radiator Net and Core
Daily or every 5 hours of operation, check to be sure
the radiator net and radiator core are clean.Dirt or chaff
on the radiator net or radiator core will decrease cool-
ing performance.
1. In that case, detach the net and remove all the for-
eign materials from them.
2. Remove the dust from between the fins and the tube.
3. Tighten the fan drive belt as necessary. For this,
refer to page 75.
4. If scale forms in the tube, clean with KIOTI scale
inhibitor.
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