FRAME AS 2288333 - Caterpillar

Refer to Table 2. Determine the appropriate procedure according to the results of the "Engine Air System Verification Test". For example, the results of the test indicate the following conditions:
The "Boost Pressure" was within the acceptable range during Test Point 3 and Test Point 4.
The "Aftertreatment 1 Secondary Mass Air Flow" was above the acceptable range during Test Point 3 and above the acceptable range during Test Point 4.In this example, Procedure "C" applies.Expected Result:The results are not within the acceptable range. The appropriate procedure was identified.Results:
The results are not within the acceptable range. The appropriate procedure was identified. - Perform the appropriate procedure.
The results are within the acceptable range. - Proceed to Test Step 6.Test Step 4. Procedure "A"
Illustration 3 g01435315
Inspection points for the line between the air pressure control valve and the venturi
A typical configuration is shown.
Refer to Illustration 3. Inspect the line between the air pressure control valve and the venturi. Look for these problems: cracked lines and loose hardware. Make the necessary repairs.
Run the "Engine Air System Verification Test" again. Expected Result:The results for Test Point 3 and Test