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Always use a designated pump for oil sampling, and use a separate designated pump for coolant sampling. Using the same pump for both types of samples may contaminate the samples that are being drawn. This contaminate may cause a false analysis and an incorrect interpretation that could lead to concerns by both dealers and customers. |
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Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products. Dispose of all fluids according to local regulations and mandates. |
Testing the coolant can be done at your Cat dealer. Caterpillar S·O·S Coolant Analysis is the best way to monitor the condition of your coolant and your cooling system. S·O·S Coolant Analysis is a program that is based on periodic samples. See Operation and Maintenance Manual, SEBU6250, "Caterpillar Machine Fluid Recommendations", "S.O.S Coolant Analysis" for more information.
Perform a Coolant Analysis (Level 2) at the initial 500 hours. Perform the analysis yearly after the initial 500 hours.
Use the following guidelines for proper sampling of the coolant:
- Complete the information on the label for the sampling bottle before you begin to take the samples.
- Keep the unused sampling bottles stored in plastic bags.
- Obtain coolant samples directly from the coolant sample port. You should not obtain the samples from any other location.
- Keep the lids on empty sampling bottles until you are ready to collect the sample.
- Place the sample in the shipping sleeve immediately after obtaining the sample in order to avoid contamination.
- Never collect samples from expansion bottles.
- Never collect samples from the drain for a system.
- Park the machine on a hard, level surface. Set the engine at low idle speed.
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Illustration 1 g01425463 Right side view - The coolant sampling valve is located below the primary fuel filter on the front right side of the engine (not shown). Remove the protective cap from the sampling valve.
- Use a 169-8373 Fluid Sampling Bottle in order to obtain a sample.
- Replace the protective cap.
Submit the sample for Level 2 analysis.