Routine Maintenance
233
7
Coolant Solution
(Anti Freeze)
To prevent the coolant freezing in cold
temperatures the cooling system is filled with an
ethylene glycol/water coolant solution that has a
low freezing point and a high boiling point.
IMPORTANT: The heat generated by the diesel
engine causes a natural change in the
inhibitors in the coolant which results in loss
of corrosion protection. The loss of the
inhibitors may cause water pump cavitation
and cylinder block erosion.
Use only low silicate ethylene glycol coolant
solution in the cooling system. Use a good
quality, high boiling point, ethylene glycol that
does not have any additives to stop leaks. The
silicate content must not exceed 0.1 percent.
Do not use rust inhibitors that are not approved.
It is possible that the rust inhibitors and ethylene
glycol will not mix, and work against each other
to decrease corrosion protection, form deposits
in the cooling system and cause damage to the
cooling system and the radiator.
Do not use a low boiling point, alcohol type
coolant solution. Because the boiling point of
alcohol is below the tractor minimum operating
temperature, loss of coolant from evaporation will
result.
IMPORTANT: Always have a minimum of 33
percent ethylene glycol in the cooling system
at all times and at all ambient temperature
ranges. Never use a solution of more than 50
percent, unless the ambient temperature is
below -37 degrees C ( -34 F ). More than 50%
ethylene glycol decreases heat transfer and
will increase the engine surface temperature
to more than normal.
Prepare the coolant solution as follows:
A. Use clean water (distilled or deionized
preferred).
B. Mix the correct ratio of ethylene glycol and
water to suit the market requirements.
C.Fill the radiator and coolant recovery
reservoir using the following procedure.
Fuel System General Inspection
Every 2000 hours of operation see your Dealer
for an inspection of the fuel system and fuel
injection nozzles. Also check the engine for
needed general service or tune-up.
To prevent dirt or water from reaching the
injection parts and causing damage and
decreased performance, use clean fuel, keep the
fuel tank full, drain any water from the fuel
primary filter at regular intervals and service the
filters.
2000 HOUR MAIN SERVICE
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