5. Start the engine. Inspect the cooling system for
leaks and for proper operating temperature.
i05197396
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.
i03842450
Coolant Level - Check
Check the coolant level when the engine is stopped
and cool.
Illustration 68 g00285520
Cooling system filler cap
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.
1. Remove the cooling system filler cap slowly in
order to relieve pressure.
2. Maintain the coolant level within 13 mm (0.5 inch)
of the bottom of the filler pipe. If the engine is
equipped with a sight glass, maintain the coolant
level to the proper level in the sight glass.
Illustration 69 g00103639
Typical filler cap gaskets
3. Clean the cooling system filler cap and check the
condition of the filler cap gaskets. Replace the
cooling system filler cap if the filler cap gaskets are
damaged. Reinstall the cooling system filler cap.
4. Inspect the cooling system for leaks.
i03644948
Cooling System Supplemental
Coolant Additive (SCA - Test/
Add
Cooling system coolant additive contains alkali.
To help prevent personal injury, avoid contact
with the skin and the eyes. Do not drink cooling
system coolant additive.
Test for SCA Concentration
Heavy-Duty Coolant/Antifreeze and SCA
NOTICE
Do not exceed the recommended six percent supple-
mental coolant additive concentration.
SEBU9071-06
95
Maintenance Section
Coolant Extender (ELC) - Add
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