Remove the four 8-mm capscrews. Do not remove the three M6 internal hex capscrews at this time. Remove the head and gasket. NOTE: Due to an interference with the fuel pump on some applications, it can be difficult to remove all four mounting capscrews completely from the air compressor cylinder head while the air compressor… Read More »
Install the air compressor coolant supply line. For the air compressor coolant supply line, connect the line to the cylinder block and then to the air compressor cylinder head. Install and secure the hose clamps. Install the air compressor coolant return line. For the air compressor coolant return line, connect the line to the back… Read More »
NOTE: When installing any 90 degree air compressor coolant line fittings, make sure to properly orient the fitting before and while tightening. NOTE: Apply a film of sealant, Part Number 3375066, or equivalent, to all fittings with pipe threads. NOTE: fittings with Apply straight a film of threads 15W-40 and engine an o-ring lubricating seal.… Read More »
Clean the air compressor coolant lines with a strong detergent solution. Dry the air compressor coolant lines with compressed air. Inspect the air compressor coolant lines for any internal restrictions. Replace the coolant lines if any restrictions are found. Inspect the coolant hoses for splits, cracks, hardening, or other damage. Inspect metal coolant lines for… Read More »
NOTE: Note the location of all fitting(s) before removal to aid in assembly. Remove the coolant supply fitting(s) from the following: • Cylinder block • Cylinder head • Air compressor cylinder head.
NOTE: The illustrations show a high mount air compressor. The procedure is the same for low mount air compressors. Remove any p-clips and/or mounting fasteners securing the air compressor coolant lines. Remove the hose clamps securing the air compressor coolant lines. For the air compressor coolant supply line, disconnect the line from the cylinder block… Read More »
Use the Air Compressor Cleaning Kit, Part Number 2892280, to clean and remove internal carbon deposits and other foreign material from the air compressor cylinder head. The items below are not included in the air compressor cleaning kit, Part Number 2892280, but are required to perform the repair. • Regulated shop air 621 kPa [90… Read More »
Measure the total carbon buildup thickness inside the air discharge line, as illustrated. NOTE: The carbon buildup thickness must not exceed 1.6 mm [1/16 in]. If the total carbon buildup thickness exceeds specification, remove and clean, or replace the air discharge line. Refer to the OEM service manual. Continue to check for carbon buildup in… Read More »
The key factor that determines the reliability and durability of an air compressor in an application is the amount of time the air compressor is supplying air during the vehicle/ machine operation known as the duty cycle of the air compressor. Air compressors are not designed to pump continuously and generate a lot of heat… Read More »
The following procedure contains troubleshooting steps and information regarding the aftertreatment system. NOTE: The information in this procedure only applies to rear gear train engines. Leaks in the exhaust system can cause exhaust odor or white smoke. Inspect the exhaust piping for leaks, cracks, and loose connections. Refer to Procedure 010-024 in Section 10. Tighten… Read More »