2. Fill the cooling system with Extended Life Coolant
(ELC). Refer to the Operation and Maintenance
Manual, “Fluid Recommendations” topic
(Maintenance Section) for more information on
cooling system specifications. Do not install the
cooling system filler cap.
3. Start and run the engine at low idle. Increase the
engine rpm to high idle. Operate the engine in
order to open the engine thermostat. This
procedure will allow any air in the system to be
purged. Decrease the engine speed to low idle.
Stop the engine.
4. Maintain the coolant level at the maximum mark
that is correct for your application.
Illustration 55 g00103639
Filler cap
5. Clean the cooling system filler cap and inspect the
gasket. If the gasket is damaged, discard the old
filler cap and install a new filler cap. If the gasket is
not damaged, use a suitable pressurizing pump in
order to pressure test the filler cap. The correct
pressure is stamped on the face of the filler cap. If
the filler cap does not retain the correct pressure,
install a new filler cap.
6. Start the engine. Inspect the cooling system for
leaks and for correct operating temperature.
i04408743
Cooling System Coolant Level
- Check
Engines With a Coolant Recovery
Tank
Note: The cooling system may not have been
provided by Perkins. The procedure that follows is for
typical cooling systems. Refer to the OEM
information for the correct procedures.
Check the coolant level when the engine is stopped
and cool.
NOTICE
When any servicing or repair of the engine cooling
system is performed, the procedure must be per-
formed with the engine on level ground. This will al-
low you to accurately check the coolant level. This
will also help in avoiding the risk of introducing an air
lock into the coolant system.
1. Observe the coolant level in the coolant recovery
tank. Maintain the coolant level to “COLD FULL”
mark on the coolant recovery tank.
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 relieve the
pressure.
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.
SEBU8601-04
101
Maintenance Section
Cooling System Coolant Level - Check
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