Cooling System Coolant - Change - Perkins 4008-30 Operation And Maintenance Manual

SEBU9077-02
5. Stop the engine and allow the engine to cool.
Isolate the electrical supply to the engine. Loosen
the cooling system filler cap (1) slowly to relieve
any pressure. Remove the cooling system filler
cap. Open the drain cock or remove the drain plug
(2) in the cylinder block. Open the drain cock or
remove the drain plug on the radiator. Open the
drain cock or remove the drain plug (3) in the oil
cooler. Allow the water to drain. Flush the cooling
system with clean water.
Fill
1. Close the drain cock or install the drain plug (2) in
the cylinder block. Close the drain cock or install
the drain plug on the radiator. Close the drain cock
or install the drain plug (3) in the oil cooler.
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.
2. Fill the cooling system with Perkins (ELC). Refer to
the Operation and Maintenance Manual, "Fluid
Recommendations" topic (Maintenance Section)
for more information on cooling system
specifications.
Note: Ensure that the filler cap is installed before
operating the engine.
3. Install power to the engine. Start the engine.
Operate the engine to purge the air from the
cavities of the engine block. Use the normal
shutdown procedure to stop the engine.
Illustration 49
Typical example
4. Isolate the electrical supply to the engine. Remove
the filler cap. Check that the coolant level is within
25 mm (1.0 inch) of the bottom of the filler pipe.
Clean the cooling system filler cap (1) and inspect
the seal (2). If the seal is damaged, discard the old
filler cap and install a new filler cap. If the seal is
not damaged, use a suitable pressurizing pump 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, replace
the filler cap.
5. Install the cooling system filler cap.
6. Install power to the engine. Start the engine and
operate the engine. Inspect the cooling system for
leaks. Ensure that the cooling system operates at
the correct temperature.
Cooling System Coolant -
Change
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.
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.
g01239656
• 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: Refer to Perkins Diesel Engines Fluids
Recommendations, Coolant Recommendations
(General Maintenance) for more information on the
service life of the recommended coolants.
Maintenance Section

Cooling System Coolant - Change

NOTICE
NOTICE
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