78 MT55 Operation & Maintenance Manual
ENGINE COOLING SYSTEM (CONT’D)
Removing And Replacing The Coolant
Raise the hood.
AVOID BURNS
Do not remove radiator cap when the engine is hot.
You can be seriously burned.
W-2070-1203
Figure 96
Remove the radiator cap (Item 1) [Figure 96] when the
engine is cool.
Loosen the thumb nut and turn the access cover (Item 2)
[Figure 96] open.
Figure 97
Connect a hose to the engine block drain valve (Item 1)
[Figure 97] on the right side of the engine.
Open the valve and drain the coolant into a container.
After the coolant is removed, close the drain valve and
remove the hose.
Recycle or dispose of coolant in an environmentally safe
manner.
NOTE: The mini track loader is factory filled with
propylene glycol coolant (purple color). DO
NOT mix propylene glycol with ethylene
glycol.
Mix new coolant in a separate container. (See Capacities
on Page 113.)
One gallon and one pint (4,3 L) of propylene glycol mixed
with one gallon (3,8 L) of water is the correct mixture of
coolant (47% water and 53% propylene glycol) to provide
a -37°C (-34°F) freeze protection.
Add premixed coolant, to the radiator. Install the radiator
cap.
Add premixed coolant to the coolant recovery tank. (See
Checking Level on Page 77.) and read IMPORTANT.
Use a refractometer to check the condition of propylene
glycol in your cooling system.
Run the engine until it is at operating temperature. Stop
the engine. Check the coolant level when cool. Add
coolant as needed.
Close the hood.
Dealer Copy -- Not for Resale
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