Textron Ransomes CT445, Operator Instructions Manual

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41
LUBRICATION AND MAINTENANCE
IMPORTANT: Alcohol-type antifreeze is not
recommended. Do not mix alcohol-type solution with
permanent antifreeze.
2. Keep the radiator fins clear of chaff or dirt to
allow free passage of air.
WARNING: The cooling system
operates under pressure which is
controlled by the radiator cap. It is
dangerous to remove the cap while the
system is hot. Always cover the cap
with a thick cloth and turn the cap
slowly counterclockwise to the first
stop. Allow all pressure to escape
before removing the cap completely.
Draining and Flushing the Cooling System:
Drain and flush the radiator and engine block every
12 months. Refill with a 50/50 mixture of long life
antifreeze, or equivalent, and clear water.
To Drain the System
1. Remove the radiator cap and open the drain
valve along R. H. tractor frame. This valve
will drain radiator and engine block, Figure 52.
2. After the coolant has drained, place a water
hose in the radiator filler neck and run water
through the system with the engine running.
Figure 52 - Combination Engine Block and Radiator
Drain Valve
Make sure water is flowing from the drain
valve before starting the engine. When the
water flowing from the drain valve is free of
discoloration and sediment, stop the engine
and remove the hose. Allow all water to drain
from the system through drain valves.
3. Close the drain valve and slowly refill the
system with a 50/50 solution of permanent
antifreeze and clear water. Fill until the
coolant level is approximately 1-1/2 to 2
inches (3.8 to 5 cm) below the bottom of the
filler neck. Do not fill beyond this level.
4. Fill the coolant reservoir with same coolant
until the coolant level is between FULL and
LOW marks, Figure 51.
5. Clean the radiator cap and seal. Install the
cap.
6. Clean the radiator front screen Figure 53.
Figure 53 - Radiator Screen
7. Run the engine until normal operating
temperature is reached, then stop the engine and
recheck the coolant level in the reservoir. Add
coolant as required.
IMPORTANT: Never run the engine when the
cooling system is empty, and do not add cold water
or cold antifreeze solution if the engine is hot.