F.
Clean the threads on the drain plug and
apply 3 layers of PTFE sealing tape.
G.
Close the drain plug.
3.
Flush the cooling system as follows:
A.
Open the filler-neck cap.
B.
Fill the radiator with clean water (
g220076
Figure 108
1.
Clean water
3.
Filler neck
2.
Funnel
C.
Close the filler-neck cap.
D.
Operate the engine for 5 minutes or until
the coolant temperature indicates 82°C
(180°F), and then shut off the engine.
CAUTION
The water is hot and can cause burns.
Stay away from the discharge end of
the coolant drain plug.
E.
Open the drain plug and drain the water into
a drain pan.
F.
Clean the threads on the drain plug and
apply 3 layers of PTFE sealing tape.
G.
If the water drained from the radiator is
dirty, perform steps
-
through
until
the water drained from the radiator is clean.
H.
Close the drain plug (
).
Filling the System with Coolant
Important:
You must fill the cooling system
properly to prevent air pockets in the cooling
passages. Failing to vent the cooling system
properly can severely damage the cooling system
and engine.
Important:
Use a mixture of 50% ethylene
glycol and 50% water mixture or equivalent in
the machine. The lowest ambient operating
temperature for this mixture is above -37° C (-34°
F). If the ambient temperature is lower, adjust the
mixture. Use a mixture of ethylene glycol and
water or equivalent in the machine all year.
1.
Move the machine to a level surface, shut off
the engine, and remove the key.
2.
Remove the radiator cap (
).
3.
Fill the radiator with coolant until the fluid level is
up to the bottom of the filler neck (
Note:
The coolant capacity of both the engine
and the radiator is 16.8 L (17.7 US qt).
g220077
Figure 109
1.
Filler neck
3.
Coolant (50/50 ethylene
glycol and water or
equivalent)
2.
Funnel
4.
Install the radiator cap (
).
5.
Fill the coolant reservoir with coolant until it is
full.
6.
Install the coolant reservoir cap.
7.
Start the engine and run it at half throttle for 5
minutes.
8.
shut off the engine and remove the key.
9.
Wait 30 minutes, then check the fluid level in the
coolant reservoir. If it is low, add coolant.
88
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