5. Clean the cooling system filler cap. Inspect the
gasket that is on the cooling system filler cap. If the
gasket that is on the cooling system filler cap is
damaged, discard the old cooling system filler cap
and install a new cooling system filler cap. If the
gasket that is on the cooling system filler cap is not
damaged, use a suitable pressurizing pump in
order to pressure test the cooling system filler cap.
The correct pressure for the cooling system filler
cap is stamped on the face of the cooling system
filler cap. If the cooling system filler cap does not
retain the correct pressure, install a new cooling
system filler cap.
6. Start the engine. Inspect the cooling system for
leaks and for correct operating temperature.
i05907645
Cooling System Coolant -
Change
Illustration 34 g03716975
Drain plug
NOTICE
Do not drain the coolant while the engine is still hot
and the system is under pressure because dangerous
hot coolant can be discharged.
Note: The radiator may not have been provided by
Perkins . The following is a general procedure for
changing the coolant. Refer to the OEM information
for the correct procedure.
1. Ensure that the application is on level ground.
2. Remove the filler cap of the cooling system.
3. Remove the drain plug (1) from the side of the
cylinder block in order to drain the engine. Ensure
that the drain hole is not restricted.
4. Open the radiator drain tap or remove the drain
plug at the bottom of the radiator in order to drain
the radiator. If the radiator does not have a radiator
drain tap or a drain plug, disconnect the hose at
the bottom of the radiator.
5. Flush the coolant system with clean water.
6. Install the drain plugs and close the radiator drain
tap. Install the radiator hose if the radiator hose
was previously removed.
NOTICE
Do not fill the cooling system faster than 5 L
(1.3 US gal) per minute to avoid air locks.
Cooling system air locks may result in engine
damage.
7. Fill the system with an approved antifreeze
mixture. Install the filler cap.
8. Run the engine and check for coolant leaks.
i05907697
Cooling System Coolant
Extender (ELC) - Add
In order for Perkins ELC to achieve 12000 hours an
extender must be added at 6000 hours. For a suitable
extender, contact your Perkins dealer or Perkins
distributor.
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.
60 SEBU7833
Refill Capacities
Cooling System Coolant - Change
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