Perkins 4016-61 TRG Operation And Maintenance Manual page 50

50
Maintenance Section
Cooling System Coolant (ELC) - Change
Illustration 39
Typical example
4. Open the drain cocks or remove the drain plugs
(3) in the oil coolers.
Illustration 40
Typical example
Note: In some application, opening the air vent (4)
will assist the draining of the coolant.
5. 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. Install the drain plugs (5) in the
aftercoolers. Tighten the plugs securely.
g01211161
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.
Loosen the air vent (4) in the aftercoolers. Fill the
cooling system until coolant free of air flows from
the vent . Tighten the air vent securely.
Install the cooling system filler cap (1).
4. Start the engine. Operate the engine until the
temperature reaches 49 to 66 °C (120 to 150 °F).
5. 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. 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 cocks or remove the drain
g02126488
plugs (3) in the oil coolers. Remove both the drain
plugs (5) in the aftercoolers. 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
cocks or install the drain plugs (3) in the oil coolers.
Install the drain plugs (5) in the aftercoolers.
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.
SEBU8604
NOTICE
NOTICE