Perkins 4006D-E23TA Operation And Maintenance Manual page 61

M0088207
Illustration 40
4. Remove the cylinder block drain plug (4).
Illustration 41
Typical example
5. Open the drain cock or remove the drain plug (5) in
the oil cooler.
6. Allow the coolant to drain.
Dispose of used engine coolant or recycle. Various
methods have been proposed to reclaim used cool-
ant for reuse in engine cooling systems. The full distil-
lation procedure is the only method acceptable by
Perkins to reclaim the coolant.
For information regarding the disposal and the
recycling of used coolant, consult your Perkins
distributor.
Flush
1. Flush the cooling system with clean water to
remove any debris.
2. Close the drain cock or install the drain plug (3) on
the radiator. Close the drain cock or install the
drain plug (4) in the cylinder block. Close the drain
cocks or install the drain plug (5) in the oil cooler.
Tighten the plugs securely.
g06258109
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.
3. Fill the cooling system with clean water.
Install the cooling system filler cap (1).
4. Install power to the engine. Start the engine.
Operate the engine until the temperature reaches
49 °C to 66 °C (120 °F to 150 °F).
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
(3) on the radiator. Open the drain cock or remove
the drain plug (4) in the cylinder block. Open the
drain cock or remove the drain plug (5) in the oil
cooler. Allow the water to drain. Flush the cooling
system with clean water.
g06258120
Fill
1. Close the drain cock or install the drain plug (3) on
the radiator. Close the drain cock or install the
drain plug (4) in the cylinder block. Close the drain
cock or install the drain plug (5) in the oil cooler.
Maintenance Section
Cooling System Coolant (ELC) - Change
NOTICE
NOTICE
61