Cummins — AIR COMPRESSOR

MAINTENANCE SECTION 2 Page 33 2. Measure axial clearance (end to end). Rebuild or replace the turbocharger if axial clearance is greater than specified. Turbocharger Dimension Model No. Minimum Maximum H2C 0.03 mm [0.001 in.] 0.08 mm 10.003 in.] Refer to the LlO Troubleshooting and Repair Manual to remove. Refer to Turbocharger Rebuild manual to rebuild. 3. Measure radial clearance (side to side). * Hold the shaft toward the feeler gauge to check this dimension. Turbocharger Dimension Model No.

Minimum Maximum HZC - Compressor Impeller 0.15 mm [0.006 in.] 0.41 mm [0.016 in.] - Turbine Wheel 0.27 mm [O.Oll in.] 0.47 mm lo.019 in.] Install the air intake and the exhaust piping AIR COMPRESSOR Complete air compressor inspection is required every 6,000 hours or 3 years. All air compressors have a small amount of oil carryover which lubricates the piston rings and moving parts. When this oil is exposed to normal air compressor operating temperatures over a period of time, it will form varnish or carbon deposits. If the following inspections are not done, the air compressor piston rings will be affected by high operating temperatures and pressure and will not seal correctly.