60 SEBU8121
Maintenance Section
Cooling System Supplemental Coolant Additive (SCA) - Test/Add
Pressurized System: Hot coolant can cause seri-
ous burns. To open the cooling system filler cap,
stop the engine and wait until the cooling system
components are cool. Loosen the cooling system
pressure cap slowly in order to re lieve the pres-
sure.
2. Loosen filler cap slowly in order to relieve any
pressure. Remove the filler cap.
3. Pour the correct coolant mixture into the tank.
Refer to the Operation and Maintenance Manual,
“Refill Capacities and Recommendations” for
information on the correct mixture and type of
coolant. Refer to the Operation and Maintenance
Manual, “Refill Capacities and Recommendations”
for the cooling system capacity. Do not fill the
coolant recovery tank above “COLD FULL” mark.
g00103639
Illustra
tion 24
4. Clean filler cap and the receptacle. Reinstall the
filler ca
p and inspect the cooling system for leaks.
Note: The coolant will expand as the coolant heats
up during
normal engine operation. The additional
volume will be forced into the coolant recovery tank
during engine operation. When the engine is stopped
and cool
, the coolant will return to the engine.
Engines
Without a Coolant
Recovery Tank
Check the coolant level when the engine is stopped
and cool.
g00285520
Illustration 25
Cooling system filler cap
Pressurized System: Hot coolant can cause seri-
ous burns. To open the cooling system filler c ap,
stop the eng
ine and wait until the cooling system
components are cool. Loosen the cooling system
pressure cap slowly in order to relieve the pres-
sure.
1. Remove the cooling system filler cap slowly in
order to rel
ieve pressure.
2. Maintain the coolant level within 13 mm (0.5 inch)
of the bott
om of the filler pipe. If the engine is
equipped with a sight glass, maintain the coolant
level to the correct level in the sight glass.
3. Clean the cooling system filler cap and check the
condition of the filler cap gaskets. Replace the
cooling s
ystem filler cap if the filler cap gaskets are
damaged. Reinstall the cooling system filler cap.
4. Inspect t
he cooling system for leaks.
i02251263
Cooling System Supplemental
Coolant Additive (SCA) -
Test/Add
Cooling system coolant additive contains alkali.
To he lp prevent personal injury, avoid contact with
the skin
and the eyes. Do not drink c ooling system
coolant additive.
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