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7.10.7.2 Radiator Cap
CAUTION
To avoid personal injury from hot coolant, do
not turn radiator cap until engine has cooled.
a. Remove the radiator cap (A) and check as
follows:
1. The radiator cap must fit tightly.
NOTE
Cap gasket must be in good condition to
maintain the 14-18 psi (97-124 kPa)
pressure in the cooling system. To check
the cap, proceed as follows:
2. Turn the cap counterclockwise to the first
notch to relieve pressure before removing
cap completely.
3. Turn the cap again and remove.
4. Check the gasket for cracks or deterioration
and replace the cap if necessary.
5. Check that the spring in the cap moves
freely.
6. Check the anti-freeze in the radiator with a
tester annually, preferably before off-season
storage. Tester should indicate protection to
temperatures of -30°F (-34°C).
b. Replace the cap if spring is stuck.
c. Close engine compartment hood and move
maintenance platform to working position.
Form 169017
MAINTENANCE/SERVICE – M200 ENGINE
A
157
7.10.7.3 Changing Coolant
Coolant should be drained, and the system
flushed and filled with new coolant every 3000
hours or 2 years. Change coolant, and flush the
system as follows:
CAUTION
To avoid personal injury from hot coolant, do
not turn radiator cap until engine cools.
DANGER
Stop engine and remove key from ignition
before leaving operator's seat for any
reason. A child or even a pet could engage
an idling machine.
a. Stop engine and let it cool.
b. Move the right cab-forward platform toward the
rear of the tractor. Ensure the lock is engaged.
c. Raise engine compartment hood to highest
position.
d. Turn the radiator cap (A) to the first notch to
relieve
pressure
completely.
A
before
removing
cap
(continued next page)
Issue – June 2008
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