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86
Maintenance Section
Coolant (DEAC) - Change
Coolant (DEAC) - Change
NOTICE
Care must be taken to ensure that fluids are con-
tained during performance of inspection, mainte-
nance, testing, adjusting and repair of the product.
Be prepared to collect the fluid with suitable contain-
ers before opening any compartment or disassem-
bling any component containing fluids.
Dispose of all fluids according to Local regulations
and mandates.
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened
component life.
Clean the cooling system and flush the cooling
system before the recommended maintenance
interval if the following conditions exist:
• The engine overheats frequently.
• Foaming of the coolant 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.
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 action
will allow you to check accurately the coolant level.
This action will also help in avoiding the risk of intro-
ducing an air lock into the coolant system.
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.
i05859216
Loosen the cooling system filler cap slowly in
order to relieve any pressure. Remove the cooling
system filler cap.
Illustration 37
Typical example
2. Remove the drain plug (1) on the engine. Also,
open drain cock or remove the drain plug on the
radiator.
Allow the coolant to drain.
SEBU9068-03
g02513896
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