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M0087475-06
5. Start the engine. Inspect the cooling system for
leaks and for proper operating temperature.
Cooling System Coolant (ELC
- Change
NOTICE
Perkins ELC must be using with an extender in order
to achieve 12000 hours operation. For more informa-
tion on a suitable extender contact your Perkins
distributor.
Clean the cooling system and flush the cooling
system before the recommended maintenance
interval if the following conditions exist:
• The engine overheats frequently.
• Foaming is observed.
• The oil has entered the cooling system and the
coolant is contaminated.
• The fuel has entered the cooling system and the
coolant is contaminated.
Note: When the cooling system is cleaned, only
clean water is needed when the ELC is drained and
replaced.
Note: Inspect the water pump and the water
temperature regulator after the cooling system has
been drained.
i06606848
Illustration 84
Drain
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. Stop the engine and allow the engine to cool.
Loosen the cooling system filler cap slowly to
relieve any pressure. Remove the cooling system
filler cap.
2. Open the cooling system drain valve.
Allow the coolant to drain.
Flush
1. Flush the cooling system with clean water to
remove any debris.
2. Close the drain valve.
Maintenance Section
Cooling System Coolant (ELC) - Change
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