CUMMINS N14 - Section 5 - Fuel System; Fuel Consumption Check

Section 5 - Fuel System
Section Contents
Page
AFC No-Air Check ........................................................................................................................................... 5-82
Air in Fuel Testing........................................................................................................................................... 5-71
Air Actuated Road Speed Governor .............................................................................................................. 5-75
Fuel Suction Line (Gear Pump Drain)............................................................................................................ 5-71
Fuel Suction Line (Sightglass)....................................................................................................................... 5-74
Cylinder Misfiring/Smoking Location.............................................................................................................. 5-70
Cylinder Cutout ............................................................................................................................................. 5-70
Exhaust Manifold Temperature...................................................................................................................... 5-71
Tilting Back Exhaust Manifold ....................................................................................................................... 5-71
Fuel Consumption Check ................................................................................................................................ 5-85
Fuel Gear Pump Check Valve ......................................................................................................................... 5-54
Installation .................................................................................................................................................... 5-55
Removal........................................................................................................................................................ 5-54
Fuel Pump........................................................................................................................................................ 5-29
Cleaning and Inspection................................................................................................................................ 5-30
Fuel Pump to Accessory Drive - Installation .................................................................................................. 5-31
Fuel Pump to Air Compressor (Non-PT PACER) - Installation ....................................................................... 5-30
Installation (P.T. PACER) .............................................................................................................................. 5-38
Removal (P.T. PACER) ................................................................................................................................. 5-34
Remove (Non-PT PACER) ............................................................................................................................. 5-29
Throttle Lever Breakover - Checking ............................................................................................................. 5-33
Variable Speed (VS) Throttle Linkage Adjustment ......................................................................................... 5-33
Fuel Pump Drain Line Restriction................................................................................................................... 5-81
Fuel Pump Flow Checking, Rotation and Priming.......................................................................................... 5-42
Checking Rotation......................................................................................................................................... 5-43
Flow Checking ............................................................................................................................................. 5-42
Priming ........................................................................................................................................................ 5-42
Fuel Pump Inlet Restriction ............................................................................................................................ 5-80
Fuel Pump On-Engine Adjustments................................................................................................................ 5-46
Air Actuated Road Speed Governor .............................................................................................................. 5-49
Idle Speed .................................................................................................................................................... 5-46
VS Governor ................................................................................................................................................ 5-48
Fuel Pump ShutOff Valve................................................................................................................................ 5-44
Fuel System - Service Tools ........................................................................................................................... 5-19
Fuel System Flow Diagrams............................................................................................................................ 5-12
PT (Type D) STC Injector .............................................................................................................................. 5-16
PT (Type G) AFC Fuel Pump ........................................................................................................................ 5-13
PT (Type G) AFC PT-PACER Fuel Pump ...................................................................................................... 5-15
PT (Type G) AFC VS Fuel Pump................................................................................................................... 5-14
Fuel System General Information ..................................................................................................................... 5-3
Theory of Operation - PT Fuel System ............................................................................................................ 5-4
Theory of Operation - STC .............................................................................................................................. 5-7
Fuel System Maintenance ............................................................................................................................... 5-26
Fuel Filter ..................................................................................................................................................... 5-26
Fuel Lines and Brackets................................................................................................................................ 5-27
Fuel System Miscellaneous Information......................................................................................................... 5-23
Installation Publications................................................................................................................................. 5-23
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
Injectors........................................................................................................................................................... 5-56
Section 5 - Fuel System
N14 Page 5-1