CUMMINS N14 - Page 810

Overhead Fuel Tank Requirements ........................................ 5-23
Proper Use of Fuel System Gauges ....................................... 5-24
Fuel System Specifications .................................................... 5-17
Basic Application Requirements ............................................. 5-17
Fuel Oil Recommendations .................................................... 5-18
Gasket Leaks, Air Compressor ............................................... 4-11
Checking................................................................................ 4-11
Gear Cover Replacement ..................................................... 7-189
Cleaning and Inspection ...................................................... 7-191
Installation ........................................................................... 7-192
Removal .............................................................................. 7-189
General Engine Test/Run-In Specifications ............................. 8-6
General Run-In Procedures ...................................................... 8-4
General Test Procedure - Chassis Dynamometer .................. 8-41
Charge Air Cooler Restriction ................................................. 8-46
Coolant Pressure.................................................................... 8-49
Engine Blowby ....................................................................... 8-48
Engine Speed (RPM) With a Verified Tachometer .................. 8-42
Exhaust Air Restriction ........................................................... 8-47
Fuel Drain Line Restriction ..................................................... 8-44
Fuel Inlet Restriction .............................................................. 8-43
Fuel Pressure (STC Engines Only) ......................................... 8-42
Fuel Rate ............................................................................... 8-43
Intake Air Restriction .............................................................. 8-47
Intake Air Temperature Control - Chassis Dynamometer Test. 8-45
Intake Manifold Pressure........................................................ 8-45
Lubricating Oil Pressure ......................................................... 8-49
Heavy Duty Coolant .................................................................. 1-6
Antifreeze................................................................................. 1-6
Water ....................................................................................... 1-6
High Lubricating Oil Pressure Relief Valve ........................... 2-34
Cleaning and Inspection ........................................................ 2-35
Installation ............................................................................ 2-37
Removal ................................................................................ 2-34
Testing................................................................................... 2-36
Hoses - Inspection .................................................................. 1-34
Injection Timing ................................................................... 7-106
Timing Tool Installation ....................................................... 7-107
Injection Timing (General Information)................................. 7-105
Injectors................................................................................... 5-56
Installation - STC Injectors ..................................................... 5-57
Removal - STC Injectors ....................................................... 5-56
Intake Air Restriction .............................................................. 3-12
Checking ............................................................................... 3-12
Intake Manifold ....................................................................... 3-25
Cleaning and Inspection......................................................... 3-26
Installation.............................................................................. 3-26
Removal................................................................................. 3-25
Intake Manifold Boost Pressure Correction Factors .............. 8-23
Lubricating Oil and Filter Analysis ........................................ 2-18
Lubricating Oil ....................................................................... 2-18
Lubricating Oil Filter .............................................................. 2-18
Lubricating Oil Cooler Assembly ........................................... 2-49
Cleaning and Inspection - Lubricating Oil Cooler Assembly .... 2-53
Cleaning and Inspection - Lubricating Oil Filter Bypass Valve. 2-54
Cleaning and Inspection - Lubricating Oil Filter Head............. 2-54
Cleaning and Inspection - Oil Cooler Bypass Valve ................ 2-55
Cleaning and Inspection - Oil Cooler Core.............................. 2-53
Cleaning and Inspection - Oil Cooler Transfer Housing .......... 2-55
Installation - Lubricating Oil Cooler Assembly......................... 2-60
Installation - Lubricating Oil Filter Bypass Valve ..................... 2-58
Installation - Lubricating Oil Filter Head.................................. 2-58
Installation - Oil Cooler Bypass Valve ..................................... 2-57
Installation - Oil Cooler Core .................................................. 2-59
Installation - Oil Cooler Transfer Housing ............................... 2-58
Removal - Assembly .............................................................. 2-49
Removal - Lubricating Oil Filter Bypass Valve ........................ 2-52
Removal - Lubricating Oil Filter Head .................................... 2-51
Removal - Lubricating Oil Thermostat .................................... 2-53
Removal - Oil Cooler Core...................................................... 2-51
Removal - Oil Cooler Transfer Housing .................................. 2-52
Testing - Oil Cooler Bypass Valve .......................................... 2-57
Testing - Oil Cooler Core........................................................ 2-55
Lubricating Oil Dilution by Fuel Testing ................................ 5-77
Black Light Method (Preferred)............................................... 5-77
Fuel Passage Pressurize Method (Optional) ........................... 5-77
Lubricating Oil Filter .............................................................. 2-19
Cleaning ............................................................................... 2-19
Installation ............................................................................ 2-19
Removal ................................................................................ 2-19
Lubricating Oil Leaks ............................................................. 2-20
Lubricating Oil Pan ................................................................ 2-29
Cleaning and Inspection ........................................................ 2-29
Installation ............................................................................ 2-30
Removal ................................................................................ 2-29
Lubricating Oil Pressure Gauge ............................................ 2-64
Testing .................................................................................. 2-64
Lubricating Oil Pump ............................................................. 2-31
Cleaning and Inspection ........................................................ 2-31
Installation ............................................................................ 2-33
Removal ................................................................................ 2-31
Lubricating Oil Pump Signal Line .......................................... 2-40
Cleaning and Inspection ........................................................ 2-40
Installation ............................................................................ 2-41
Removal ................................................................................ 2-40
Lubricating Oil Pump Signal Line Orifice (In Chassis)........... 2-41
Cleaning ............................................................................... 2-42
Installation ............................................................................ 2-42
Removal ................................................................................ 2-41
Lubricating Oil System Diagnostic Checking ........................ 2-15
Lubricating Oil System Flow Diagram ............................ 2-9 , 2-10
Lubricating Oil System Flow Diagram - Viscosity Sensor and STC
Valve........................................................................................ 2-11
Lubricating Oil System Service Tools .................................... 2-13
Lubricating Oil System Specifications ................................... 2-12
Lubricating Oil Temperature Gauge ...................................... 2-64
Installation ............................................................................ 2-64
Testing .................................................................................. 2-65
Lubricating Oil Transfer Tube ............................................... 2-27
Cleaning and Inspection ........................................................ 2-27
Installation ............................................................................ 2-28
Removal ................................................................................ 2-27
Lubricating System General Information ................................ 2-3
Lubricating Oil ........................................................................ 2-8
Lubricating Oil Cooler Oil Thermostat ..................................... 2-6
Lubricating Oil Filter ................................................................ 2-7
Lubricating Oil Filter Bypass Valve........................................... 2-6
Lubricating Oil Pump High Pressure Limit Valve ..................... 2-5
Lubricating Oil Pump Pressure Regulator ............................... 2-3
Main and Thrust Bearings Replace....................................... 7-115
Cleaning and Inspection ...................................................... 7-117
Installation ........................................................................... 7-118
Removal .............................................................................. 7-115
Main Lubricating Oil Pressure Regulator .............................. 2-39
Cleaning and Inspection ........................................................ 2-39
Installation ............................................................................ 2-40
Removal ................................................................................ 2-39
On-Off Thermatic Fan Clutch.................................................. 1-51
Checking - Cooling System Temperature Actuation ................ 1-51
Checking - Intake Air Temperature Actuation ......................... 1-53
Installation ............................................................................ 1-55
Removal ................................................................................ 1-53
Operating in Normal Timing ................................................... 5-97
Overhead Adjustment ............................................................. 7-18
Injectors - CELECT™ Engines ................................................ 7-31
Injectors - STC Engines - IBC Method .................................... 7-25
Injectors - STC Engines - OBC Method .................................. 7-19
Valves - CELECT™ Engines ................................................... 7-35
Valves - STC Engines................................................... 7-23 , 7-29
Piston Cooling Nozzles .......................................................... 2-62
Cleaning and Inspection ........................................................ 2-62
Installation ............................................................................ 2-63
Removal ................................................................................ 2-62
Pistons and Rings Replacement........................................... 7-129
Cleaning and Inspection ...................................................... 7-134
Installation............................................................................ 7-137
Removal .............................................................................. 7-129
Power Check ........................................................................... 5-85
Priming the Lubricating Oil System ....................................... 2-24
Push Rods Replace ................................................................ 7-44
Inspection ............................................................................. 7-45
Installation ............................................................................ 7-46
Index
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