48 SEBU8191-01
Maintenance Section
Cooling System Coolant (ELC) - Change
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Illustration 36
Typical e xample
1. Stop the engine and allow the engine to cool.
Loosen the cooling system filler cap (1) slowly in
order to relieve any pressure. Remove the cooling
system filler cap.
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1160
Illustration 37
Typical e xample
2. Open
the drain cock or remove the drain plug (2)
in the cylinder block.
3. Open
the drain cock or remove the drain plug on
the radiator.
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Illustration 38
Typical e xample
4. Open the drain c
ocks or remove the drain plugs
(3) in the oil coolers.
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Illustration 39
Typ ical example
5. Open the drain cocks or remove the drain plugs
(5) in the aftercoolers.
6. Allow the coolant to drain.
NOTICE
Dispose of used engine coolant or recycle. Various
methods have been proposed to reclaim used coolant
for reuse in engine cooling systems. The full distillation
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 dealer
or your Perkins distributor.
Flush
1. Flush the cooling system with clean water in order
to remove any debris.
2. 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 cocks or install the drain plugs (3) in the oil
coolers. Close the drain cocks or install the drain
plugs (5) in the aftercoolers.
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.
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