988H Wheel Loader Cooling System Coolant Sample (Level 1) - Obtain Caterpillar


Cooling System Coolant Sample (Level 1) - Obtain
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Note: It is not necessary to obtain a Coolant Sample (Level 1) if the cooling system is filled with Cat ELC (Extended Life Coolant). Cooling systems that are filled with Cat ELC should have a Coolant Sample (Level 2) that is obtained at the recommended interval that is stated in the Maintenance Interval Schedule.

Note: Obtain a Coolant Sample (Level 1) if the cooling system is filled with any other coolant instead of Cat ELC. This includes the following types of coolants.

  • Commercial long life coolants that meet the AVSpare Engine Coolant Specification -1 (AVSpare EC-1)

  • Cat Diesel Engine Antifreeze/Coolant (DEAC)

  • Commercial heavy-duty coolant/antifreeze


NOTICE

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.


Note: Level 1 results may indicate a need for Level 2 Analysis.

Obtain the sample of the coolant as close as possible to the recommended sampling interval. In order to receive the full effect of S·O·S analysis, you must establish a consistent trend of data. In order to establish a pertinent history of data, perform consistent samplings that are evenly spaced. Supplies for collecting samples can be obtained from your AVSpare dealer.

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 mailing tube 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.


Illustration 1g01093449

Slowly remove the cooling system pressure cap.

Open the left side engine access door.



Illustration 2g01120387

Remove the cap over the coolant sample port.

Attach a hose to a couple. Install the threaded end of the coupling into the drain valve in order to unseat the internal drain valve.

Close the engine access door and return the pressure cap.

Submit the sample for level 1 analysis.

For additional information about coolant analysis, see Special Publication, SEBU6250, "AVSpare Machine Fluids Recommendations" or consult your AVSpare dealer.

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