Testing SCA Concentration Level
Testing is required whenever existing coolant is used
again after an engine repair and after the engine has
experienced a coolant loss. Use the CC-2626 test kit to
determine the SCA level of the cooling system.
Carefully follow the instructions to test the coolant,
and take the appropriate action recommended by the
kit.
Testing is recommended if the operator is not sure of his
cooling system condition due to leaks, uncontrolled top-
ping off of the system or major coolant loss.
Testing is also recommended twice a year to monitor the
SCA level. If the SCA level is above 3 units, test at sub-
sequent oil drain intervals until the concentration is back
under 3 units. When the concentration is back under 3
units, start installing service filters at each drain interval.
If the concentration is below 1.2 units per gallon, replace
the filter and precharge with liquid.
If the concentration is 1.2 to 3 units per gallon, replace the
filter.
When to Test
• When Not Sure of SCA Level
• Twice a Year
• When Over 3 Units Per Gallon of SCA
• At Each Oil Change Interval
Below 1.2 Units
• Replace Service Filter
• Precharge with Liquid
1.2 to 3 Units
• Replace Service Filter
Coolant Additive Requirement (1-05) Section 1 - Cooling System
N14Page 1-16
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