CUMMINS N14 - Section 3 - Combustion Air System

Section 3 - Combustion Air System
Section Contents
Page
Air Intake System Flow Diagram ...................................................................................................................... 3-3
Air Leaks - Testing ........................................................................................................................................... 3-7
Charge Air Cooler............................................................................................................................................ 3-27
Cleaning and Inspection................................................................................................................................ 3-31
Pressure Drop - Checking ............................................................................................................................. 3-27
Combustion Air System General Information .................................................................................................. 3-2
Combustion Air System Service Tools............................................................................................................. 3-6
Combustion Air System Specifications ............................................................................................................ 3-5
Air Induction System ...................................................................................................................................... 3-5
Exhaust System ............................................................................................................................................. 3-5
Exhaust Manifold ............................................................................................................................................ 3-22
Cleaning and Inspection ............................................................................................................................... 3-23
Installation ................................................................................................................................................... 3-23
Removal ...................................................................................................................................................... 3-22
Exhaust Restriction ......................................................................................................................................... 3-13
Checking ..................................................................................................................................................... 3-13
Exhaust System Flow Diagram ......................................................................................................................... 3-4
Intake Air Restriction ...................................................................................................................................... 3-12
Checking ..................................................................................................................................................... 3-12
Intake Manifold ............................................................................................................................................... 3-25
Cleaning and Inspection................................................................................................................................ 3-26
Installation .................................................................................................................................................... 3-26
Removal........................................................................................................................................................ 3-25
Turbocharger - Verifing Correct Part Number ............................................................................................... 3-11
Turbocharger Axial and Radial Clearance ...................................................................................................... 3-15
Axial Clearance - Checking .......................................................................................................................... 3-16
Checking ..................................................................................................................................................... 3-15
Radial Bearing Clearance - Checking ........................................................................................................... 3-15
Turbocharger Blade Damage .......................................................................................................................... 3-14
Checking ..................................................................................................................................................... 3-14
Turbocharger Replacement ........................................................................................................................... 3-17
Cleaning and Inspection ............................................................................................................................... 3-18
Installation ................................................................................................................................................... 3-20
Removal ...................................................................................................................................................... 3-17
Turbocharger Seal Leak - Testing ................................................................................................................... 3-8
Testing - Compressor Seal ........................................................................................................................... 3-10
Turbine Seal .................................................................................................................................................. 3-8
Section 3 - Combustion Air System
N14 Page 3-1