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6. In case the reagent color corresponds to that be-
tween the color specimens, take the intermediate
value. If it is difficult to determine which value should
be taken, adopt the lighter color side concentration as
a safer value.
7. Using the concentration check table, find the inter-
section between the recorded SODIUM MOLYBDATE
concentration and the SODIUM NITRITE concentra-
tion. This intersection shows the coolant additive
agent concentration per 1 US gal of the coolant.
8. The colored concentration values in the concentration
check table printed on the test paper box represents
the values to be applied when the LLC concentration
is 50%. When the LLC concentration is 40% or less,
do not determine by color. Determine by figure val-
ues.
9. Record the measured coolant additive agent concen-
tration value on the maintenance record sheet as ref-
erence data when performing next maintenance ser-
vices.
25%
+10
ROW 6
ROW 5
ROW 4
ROW 3
(SODIUM
MOLYBDATE
ROW 2
LEVEL)
ROW 1
ROW 0
MAINTENANCE
Concentration Check Table
% GLYCOL/FREEZEPOINT (°F)
33%
40%
0
−5
−10
+5
DCA Unit/3.78L (1 US gal)
(SCA UNITS PER GALLON)
0.0
1.7
2.8
3.1
0.0
1.7
2.3
2.7
0.0
1.4
1.8
2.0
0.0
1.2
1.5
1.7
0.0
1.0
1.2
1.4
0.0
0.6
0.9
1.1
0.0
0.3
0.6
0.8
A
B
C
D
(SODIUM NITRITE LEVEL)
50%
60%
−20
−30
−45
−60
3.7
4.1
4.9
5.7
3.1
3.5
4.3
5.1
2.4
2.8
3.6
4.4
2.1
2.5
3.3
4.1
1.8
2.2
3.0
3.8
1.5
1.9
2.7
3.5
1.2
1.6
2.4
3.2
E
F
G
H
7-91
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