68 SEBU8605-01
Maintenance Section
Refill Capacities
Additions of SC
Aarebasedontheresultsofthetest.
An SCA that is liquid may be needed at 500 hour
intervals.
Adding the SCA to Heavy-Duty Coolant
at the Initial Fill
Use the equation that is in Table 12 to determine the
amount of SCA that is required when the cooling
system is in
itially filled.
Table 12
Equation For Adding The SCA To The Heavy-Duty
Coolant At The Initial Fill
V × 0.045 = X
V is the total volume of the cooling system.
X is the amount of SCA that is required.
Table13isanexampleforusingtheequationthat
is in Table 1 2.
Table 13
Example Of The Equation For Adding The SCA To
The Heavy-Duty Coolant At The Initial Fill
Total Vo
lume
of the Cooling
System (V)
Multipl
ication
Factor
Amount of
SCA that is
Required (X)
15 L (4 US gal)
×0.045
0.7 L (24 oz)
Adding The SCA to T he Heavy-Duty
Coolant For Maintenance
Heavy-duty antifreeze of all types REQUIRE periodic
additions of an SCA.
Test the antifreeze periodically for the concentration
of SCA. For the interval, refer to the Operation
and Maintenance Manual, “Maintenance Interval
Schedule” (Maintenance Section). Cooling System
Supplemental Coolant Additive (SCA) Test/Add.
Additions of SCA are based on the results of the
test. The size of the cooling system determines the
amount of SCA that is needed.
Use the equation that is in Table 14 to determine the
amount of SCA that is required, if necessary:
Table 14
Equation For Adding The SCA To The Heavy-Duty
Coolant For Maintenance
V × 0.014 = X
V
is the total volume of the cooling system.
X is the amount of SCA that is required.
Table15isanex
ample for using the equation that
is in Table 14.
Table 15
Example Of The Equation For Adding The SCA To
The Heavy-Duty Coolant For Maintenance
Total Volume
of the Cooling
System (V)
Multiplication
Factor
Amount of
SCA that is
Required (X)
15 L (4 US gal)
×0.014
0.2 L (7 oz)
Cleaning the System of Heavy-Duty
Antifreeze
•
Clean the cooling system after used coolant is
drained or before the cooling system is filled with
new coolant.
•
Clean the cooling system whenever the coolant is
contaminated or whenever the coolant is foaming.
i04156282
Fluid Recommendations
General Lub ricant Information
Because of government regulations regarding the
certification of exhaust emissions from the engine,
the lubricant recommendations must be followed.
•
API_____________________ American Petroleum Institute
•
SAE___________________________________________ Society Of
Automotive Engineers Inc.
•
ACEA__________________________________Association des
Constructers European Automobiles.
•
ECF-3_______________________ Engine Crankcase Fluid
Licensing
TheEngineOilLicensingandCertification System
by the American Petroleum Institute (API) and
the Association des Constructers European
Automobilesand (ACRA) is recognized by Perkins.
For detailed information about this system, see the
latest edition of the “API publication No. 1509”.
Engine oils that bear the API symbol are authorized
by API.
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