Perkins 4016-61 TRG Operation And Maintenance Manual page 52

52
Maintenance Section
Cooling System Coolant - Change
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 pres-
sure.
Illustration 42
Typical example
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.
Illustration 43
Typical example
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.
Illustration 44
Typical example
4. Open the drain cocks or remove the drain plugs
(3) in the oil coolers.
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Illustration 45
Typical example
Note: In some application, opening the air vent (4)
will assist the draining of the coolant.
5. Remove both the drain plugs (5) in the
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aftercoolers.
6. Allow the coolant to drain.
Dispose of all fluids according to local regulations and
mandates. When you recycle used engine coolant for
reuse in engine cooling systems, the full distillation
procedure is the only method acceptable by Perkins
Engines Company LTD to reclaim the coolant.
SEBU8604
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NOTICE