www.changlin.com.cn Coolant Test Kits DCA4 CONCENTRATION TESTS-As noted above, the primary method is to maintain proper DCA4 concentration levels by changing the service coolant filter at every 10,000 [6,000 mi] 250 hours or 3 months. Fleetguard DCA4 “dip strip” test Kit Part No. CC 2626 or Fleetguard Monitor C Part No. CC2700 must be used if testing is deemed necessary due to: addition of untreated make up coolant in excess of 5.7 liters [6 U.S.quarts] between maintenance intervals. troubleshooting of cooling system problems in the fleet (such as corrosion or seal leakage) NOTE:
The practice of using a test kit to determine when to add or change the coolant filter is specifically not recommended. No other test kit (such as the Fleetguard Titration Test Kit Part No. 3300846-S or the 3825379-S) can be used on Cummins engines with DCA4. An optional program in some fleets to monitor SCA levels to determine if maintenance intervals are acceptable. DCA4 Unit Maintenance Guide *lf DCA SOL is used, do not use a coolant filter that contains coolant additives, The combination of liquid and filter coolant additives will result in overconcentration. 143 / 149 pages