SEBU8191-01 39
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 17 to determine the
amount of SCA that is required when the cooling
system is in
itially filled.
Table 17
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.
Table18isanexampleforusingtheequationthat
is in Table 17.
Table 18
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)
15L(4USgal)
×0.045
0.7L(24oz)
Adding The SCA to The Heavy-Duty
Coolant For Maintenance
Heavy-duty coolant of all types REQUIRE periodic
additions of an SCA.
Test the coolant periodically for the concentration
of SCA. For the interval, refer to the Operation
and Maintenance Manual, “Maintenance Interval
Schedule” (Maintenance Section). Test the
concentration of SCA.
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 19 to determine the
amount of SCA that is required, if necessary:
Table 19
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.
Table20isanex
ample for using the equation that
is in Table 19.
Table 20
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
Coolant
•
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.
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