SEBU8605-01 85
Maintenance Section
Cooling System Coolant (ELC) - Change
Flush
1. Flush the cool
ing system with clean water in order
to remove any debris.
2. Close the drai
n cock or install the drain plugs.
Close the drain cock or install the drain plug on
the radiator.
NOTICE
Do not fill th
e cooling system faster than 5 L
(1.3 US gal) per minute, in order to avoid air locks.
Cooling sy
stem air locks may result in engine damage.
3. Fill the cooling system with clean water. Install the
cooling sy
stem filler cap.
4. Start and run the engine at low idle until the
temperat
ure reaches 49 to 66 °C (120 to 150 °F).
5. Stop the engine and allow the engine to cool.
Loosen t
he cooling system filler cap slowly in
order to relieve any pressure. Remove the cooling
system filler cap. Open the drain cock or remove
the drai
n plug on the engine. Open the drain cock
or remove the drain plug on the radiator. Allow
the water to drain. Flush the cooling system with
clean w
ater.
Fill
1. Close the drain cock or install the drain plug on the
engin
e. Close the drain cock or install the drain
plug on the radiator.
NOTICE
Do no
t fill the cooling system faster than 5 L
(1.3 US gal) per minute, in order to avoid air locks.
Cool
ing system air locks may result in engine damage.
2. Fill the cooling system with Commercial
Hea
vy-Duty Coolant. Add Supplemental Coolant
Additive to the coolant. For the correct amount,
refer to the Operation and Maintenance Manual,
“F
luid Recommendations” topic (Maintenance
Section) for more information on cooling system
specifications. Do not install the cooling system
fil
ler cap.
3. Start and run the engine at low idle. Increase
t
he engine rpm to high idle. Operate the engine
in order to open the engine thermostat. This
procedure will allow any air in the system to be
p
urged. Decrease the engine speed to low idle.
Stop the engine.
4. Maintain the co
olant level at the maximum mark
that is correct for your application.
g00103639
Illustration 49
Filler cap
5. Clean the cooling system filler cap and inspect the
gasket. If the gasket is damaged, discard the old
filler cap and install a new filler cap. If the gasket
is not damaged, use a suitable pressurizing pump
in order to test the pressure of 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, install a new fi ller cap.
6. Start the engine. Inspect the cooling system for
leaks and for correct operating temperature.
i04262389
Cooling System Co ola nt (ELC)
-Change
NOTICE
Care must be taken to ensure that fluids are contained
during performance of inspection, maintenance, test-
ing, adjusting and repair of the product. Be prepared to
collect the fluid with suitable containers before open-
ing any compartment or disassembling any compo-
nent containing fluids.
Dispose of all fluids according to Local regulations and
mandates.
N
OTICE
Keep all parts clean from contaminants.
C
ontaminants 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:
To Next Page
Loading...
