CUMMINS N14 STC CELECT CELECT Plus Troubleshooting Repair Manual

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Section i - Introduction
(99-204-002-tr) About the Manual
(99-204-003-tr) How to Use the Manual
(99-204-004) Symbols
(99-204-005) Illustrations
(99-204-006-tr) General Safety Instructions
(99-204-007-tr) General Repair Instructions
(99-204-008) General Cleaning Instructions
(99-204-009) Acronyms and Abbreviations

Section E - Engine Identification
(09-100-001-tr) Engine Identification
(09-100-002-tr) Engine Diagrams

Section F - Familiarization
(09-000-999) Complete Engine - Overview
(09-001-999) Cylinder Block - Overview
(09-005-999) Fuel System - Overview
(09-200-001-tr) Flow Diagram, Fuel System
(09-006-999) Injectors and Fuel Lines - Overview
(09-007-999) Lubricating Oil System - Overview
(09-200-002-tr) Flow Diagram, Lubricating Oil System
(09-008-999) Cooling System - Overview
(09-200-003-tr) Flow Diagram, Cooling System
(09-010-999) Air Intake System - Overview
(09-200-004-tr) Flow Diagram, Air Intake System
(09-200-005-tr) Flow Diagram, Exhaust System
(09-012-999) Compressed Air System - Overview
(09-200-006-tr) Flow Diagram, Compressed Air System
(09-013-999) Electrical Equipment - Overview
(09-014-999) Engine Testing - Overview

Section TS - Troubleshooting Symptoms
(99-t00-001-tr) Troubleshooting Procedures and Techniques
(99-t00-002) Troubleshooting Symptom Charts
(3666142-t004-tr) Air Compressor Air Pressure Rises Slowly
(3666142-t005-tr) Air Compressor Cycles Frequently
(3666142-t006-tr) Air Compressor Noise is Excessive
(3666142-t007-tr) Air Compressor Pumping Excess Lubricating Oil into the Air System
(3666142-t008-tr) Air Compressor Will Not Maintain Adequate Air Pressure (Not Pumping Continuously)
(3666142-t009-tr) Air Compressor Will Not Pump Air
(3666142-t010-tr) Air Compressor Will Not Stop Pumping
(3666142-t013-tr) Alternator Not Charging or Insufficient Charging
(3666142-t014-tr) Alternator Overcharging
(3666142-t025-tr) Coolant in the Lubricating Oil
(3666142-t020-tr) Coolant Loss - External
(3666142-t021-tr) Coolant Loss - Internal
(3666142-t022-tr) Coolant Temperature Above Normal - Gradual Overheat
(3666142-t023-tr) Coolant Temperature is Above Normal - Sudden Overheat
(3666142-t024-tr) Coolant Temperature is Below Normal
(3666142-t027-tr) Crankcase Gases (Blowby) Excessive
(3666142-t029-tr) Cranking Fuel Pressure is Low
(3666142-t033-tr) Engine Acceleration or Response Poor
(3666142-t036-155-tr) Engine Brake Does Not Operate (CELECT or CELECT Plus)
(3666142-t036-011-tr) Engine Brake Does Not Operate (PT)
(3666142-t037-155-tr) Engine Brake - Low Retarding Power or Slow to Activate (CELECT or CELECT Plus)
(3666142-t037-011-tr) Engine Brake - Low Retarding Power or Slow to Activate (PT)
(3666142-t038-155-tr) Engine Brake - One or More Cylinders Braking with Power Switch Off (CELECT or CELECT Plus)
(3666142-t038-011-tr) Engine Brake - One or More Cylinders Braking with Power Switch Off (PT)
(3666142-t041-155-tr) Engine Decelerates Slowly (CELECT or CELECT Plus)
(3666142-t041-011-tr) Engine Decelerates Slowly (PT)
(3666142-t043-tr) Engine Difficult to Start or Will Not Start (Exhaust Smoke)
(3666142-t044-tr) Engine Difficult to Start or Will Not Start (No Exhaust Smoke)
(3666142-t047-tr) Engine Noise Excessive
(3666142-t048-tr) Engine Noise Excessive - Combustion Knocks
(3666142-t049-tr) Engine Noise Excessive - Connecting Rod
(3666142-t050-tr) Engine Noise Excessive - Main Bearing
(3666142-t051-tr) Engine Noise Excessive - Piston
(3666142-t052-tr) Engine Noise Excessive - Turbocharger
(3666142-t057-155-tr) Engine Power Output Low (CELECT or CELECT Plus)
(3666142-t057-011-tr) Engine Power Output Low (PT)
(3666142-t061-tr) Engine Runs Rough at Idle
(3666142-t062-tr) Engine Runs Rough or Misfires
(3666142-t064-tr) Engine Shuts Off Unexpectedly or Dies During Deceleration
(3666142-t066-tr) Engine Speed Surges at Low or High Idle
(3666142-t067-tr) Engine Speed Surges Under Load or in Operating Range
(3666142-t072-tr) Engine Starts But Will Not Keep Running
(3666142-t075-tr) Engine Vibration Excessive
(3666142-t077-tr) Engine Will Not Crank or Cranks Slowly (Air Starter)
(3666142-t078-tr) Engine Will Not Crank or Cranks Slowly (Electric Starter)
(3666142-t081-tr) Engine Will Not Shut Off
(3666142-t087-155-tr) Fuel Consumption Excessive (CELECT or CELECT Plus)
(3666142-t087-011-tr) Fuel Consumption Excessive (PT)
(3666142-t091-tr) Fuel in Coolant
(3666142-t092-tr) Fuel in the Lubricating Oil
(3666142-t096-tr) Intake Manifold Air Temperature Above Specification
(3666142-t097-tr) Intake Manifold Pressure (Boost) is Below Normal
(3666142-t099-155-tr) Low Idle Adjust Switch Does Not Work (CELECT or CELECT Plus)
(3666142-t101-tr) Lubricating Oil in the Fuel
(3666142-t102-tr) Lubricating Oil Consumption Excessive
(3666142-t103-tr) Lubricating Oil Contaminated
(3666142-t104-tr) Lubricating Oil Pressure High
(3666142-t105-tr) Lubricating Oil Pressure Low
(3666142-t106-tr) Lubricating Oil Sludge in the Crankcase Excessive
(3666142-t107-tr) Lubricating Oil Temperature Above Specification
(3666142-t108-tr) Lubricating or Transmission Oil in the Coolant
(3666142-t109-tr) Operating Fuel Pressure is Low
(3666142-t116-155-tr) Smoke, Black - Excessive (CELECT or CELECT Plus)
(3666142-t116-011-tr) Smoke, Black - Excessive (PT)
(3666142-t118-155-tr) Smoke, White - Excessive (CELECT or CELECT Plus)
(3666142-t118-011-tr) Smoke, White - Excessive (PT)
(3666142-t120-tr) Step Timing Control (STC) Valve is Not Shifting Correctly
(3666142-t122-tr) Turbocharger Leaks Engine Oil or Fuel
(3666142-t125-tr) Variable Speed (VS) Governor - Fuel Leak at the Throttle Shaft
(3666142-t126-tr) Variable Speed (VS) Governor - Speed is Not Set Correctly
(3666142-t127-tr) Variable Speed (VS) Governor - Surge with Engine Under Load
(09-t00-004) Troubleshooting Overview

Section 0 - Complete Engine - Group 00
(09-022-001_00) Service Tools
(09-000-001) Engine Removal
(09-000-002) Engine Installation

Section 1 - Cylinder Block - Group 01
(09-022-001_01) Service Tools
(09-001-003) Accessory Drive Seal
(09-001-005) Bearings, Connecting Rod
(09-001-006) Bearings, Main
(09-001-007) Bearings, Thrust
(09-001-008) Camshaft
(09-001-009) Camshaft Bearing Support
(09-001-010) Camshaft Bushings
(09-001-013) Camshaft Gear (Camshaft Removed)
(09-001-014) Connecting Rod
(09-001-016) Crankshaft
(09-001-018) Crankshaft Gear, Front (Crankshaft Installed)
(09-001-022) Crankshaft Pulley
(09-001-023) Crankshaft Seal, Front
(09-001-024) Crankshaft Seal, Rear
(09-001-026) Cylinder Block
(09-001-027) Cylinder Block and Liner Seats
(09-001-028) Cylinder Liner
(09-001-031) Gear Cover, Front
(09-001-043) Piston
(09-001-046) Piston Cooling Nozzle
(09-001-047) Piston Rings
(09-001-052-tr) Vibration Damper, Viscous
(09-001-054) Piston and Connecting Rod Assembly
(09-001-058) Cylinder Block Counterbore
(09-001-059) Cylinder Head Mounting Capscrew Holes
(09-001-065) Camshaft End Clearance
(09-001-066) Gear Cover Accessory Drive Bushing

Section 2 - Cylinder Head - Group 02
(09-002-004) Cylinder Head
(09-002-021) Cylinder Head Gasket

Section 3 - Rocker Levers - Group 03
(09-022-001_03) Service Tools
(09-003-001) Crankcase Breather (External)
(09-003-004-tr) Overhead Set
(09-003-009) Rocker Lever Assembly
(09-003-011-tr) Rocker Lever Cover
(09-003-013) Rocker Lever Housing

Section 4 - Cam Followers/Tappets - Group 04
(09-022-001_04) Service Tools
(09-004-001) Cam Follower Assembly
(09-004-014) Push Rods or Tubes

Section 5 - Fuel System - Group 05
(09-022-001_05) Service Tools
(09-005-010) Fuel Consumption
(09-005-011) Fuel Flow
(09-005-016-tr) Fuel Pump
(09-005-026) Fuel Pump Gear Pump Check Valve
(09-005-028) Fuel Pump High Idle Speed
(09-005-029) Fuel Pump Idle Speed
(09-005-031) Fuel Pump Pulsation Damper
(09-005-035) Fuel Pump Throttle Lever
(09-005-036) Fuel Pump Throttle Linkage
(09-005-038) Fuel Pump VS Throttle Shaft Housing
(09-005-043) Fuel Shutoff Valve
(09-005-054) Stall Speed Test
(09-005-056) VS Governor Adjusting Screw Sealing Washers
(09-005-057) VS Governor Idle Spring
(09-005-060) Fuel Pump Pressure Regulator

Section 6 - Injectors and Fuel Lines - Group 06
(09-022-001_06) Service Tools
(09-006-003) Air in Fuel
(09-006-005) Cylinder Misfires or Smokes
(09-006-006) ECM Cooling Plate, Fuel Cooled
(09-006-012) Fuel Drain Line Restriction
(09-006-015) Fuel Filter (Spin-On Type)
(09-006-020) Fuel Inlet Restriction
(09-006-024) Fuel Supply Lines
(09-006-025) Static Injection Timing
(09-006-026-tr) Injector
(09-006-037) STC Oil Control Valve (Mechanical)
(09-006-041) STC Viscosity Sensor
(09-006-045) STC Oil Delivery System Diagnostics
(09-006-046) STC Po; Delivery System Blockage
(09-006-047) AFC No Air Check

Section 7 - Lubricating Oil System - Group 07
(09-022-001_07) Service Tools
(09-007-003) Lubricating Oil Cooler
(09-007-009) Lubricating Oil Dipstick
(09-007-010) Lubricating Oil Dipstick Housing
(09-007-013) Lubricating Oil Filter (Spin-On)
(09-007-014) Lubricating Oil Filter Bypass Valve
(09-007-015) Lubricating Oil Filter Head
(09-007-021) Lubricating Oil High Pressure Relief Valve
(09-007-024) Lubricating Oil Leaks
(09-007-025) Lubricating Oil Pan
(09-007-028) Lubricating Oil Pressure Gauge
(09-007-029) Lubricating Oil Pressure Regulator (Main Rifle)
(09-007-031) Lubricating Oil Pump
(09-007-034) Lubricating Oil Pump Signal Tube
(09-007-037) Lubricating Oil System
(09-007-038) Lubricating Oil Temperature Gauge
(09-007-039) Lubricating Oil Thermostat
(09-007-040) Lubricating Oil Transfer Tube
(09-007-041) Lubricating Oil Viscosity Sensor
(09-007-044) Lubricating Oil Contamination
(09-007-047) Lubricating Oil Cooler Transfer Housing
(09-007-048) Lubricating Oil System Diagnostics
(09-007-049) Lubricating Oil Pump Signal Tube Orifice
(09-007-083) Lubricating Oil and Filter Analysis

Section 8 - Cooling System - Group 08
(09-022-001_08) Service Tools
(09-008-002) Drive Belt, Cooling Fan
(09-008-003) Drive Belt, Water Pump
(09-008-004) Coolant Temperature Gauge
(09-008-006) Coolant Filter
(09-008-007) Coolant Filter Head
(09-008-009) Coolant Filter Valve
(09-008-013) Coolant Thermostat
(09-008-014) Coolant Thermostat Housing
(09-008-016) Coolant Thermostat Seal
(09-008-017) Coolant Vent Lines
(09-008-018-tr) Cooling System
(09-008-019) Cooling System - Air or Combustion Gas Test
(09-008-026) Fan Clutch, Electric
(09-008-027) Fan Clutch, On-Off
(09-008-028) Fan Clutch, Viscous
(09-008-036-tr) Fan Hub, Belt Driven
(09-008-038) Fan Shroud Assembly
(09-008-039) Fan Spacer and Pulley
(99-008-040) Fan, Cooling
(09-008-042) Radiator
(09-008-045) Radiator Hoses
(09-008-047) Radiator Pressure Cap
(09-008-049) Radiator Shutter Assembly
(09-008-053) Sea Water Heat Exchanger
(09-008-057-tr) Sea Water Pump
(09-008-062-tr) Water Pump
(09-008-064-tr) Water Pump Idler Assembly

Section 9 - Drive Units - Group 09
(09-022-001_09) Service Tools
(09-009-001) Accessory Drive
(09-009-004) Accessory Drive Pulley
(09-009-005) Accessory Drive Pulley Wear Sleeve

Section 10 - Air Intake System - Group 10
(09-022-001_10) Service Tools
(09-010-001) Aftercooler
(09-010-023) Air Intake Manifold
(09-010-024) Air Leaks, Air Intake and Exhaust Systems
(09-010-027) Charge-Air Cooler
(09-010-031) Air Intake Restriction
(09-010-033-tr) Turbocharger
(09-010-038-tr) Turbocharger Axial Clearance
(09-010-039) Turbocharger Blade Damage
(09-010-040) Turbocharger Compressor Seal Leaks
(09-010-047-tr) Turbocharger Radial Bearing Clearance
(09-010-049) Turbocharger Turbine Seal Leaks

Section 11 - Exhaust System - Group 11
(09-011-007) Exhaust Manifold, Dry
(09-011-009) Exhaust Restriction

Section 12 - Compressed Air System - Group 12
(09-022-001_12) Service Tools
(09-012-003) Air Compressor Carbon Buildup
(09-012-010) Air Compressor Pin Bore Wear
(09-012-013) Air Compressor Unloader and Valve Assembly
(09-012-014) Air Compressor
(09-012-017) Air Governor (Air Compressor Will Not Pump)
(09-012-018) Air Governor (Air Compressor Pumps Continuously)
(09-012-019) Air Leaks, Compressed Air System
(09-012-103) Air Compressor Cylinder Head (Holset® SS and E-Type Models)
(09-012-104) Air Compressor Cylinder Head (Holset® QE Models)
(09-012-106) Air Compressor Cylinder Head (Holset® ST Models)

Section 13 - Electrical Equipment - Group 13
(09-022-001_13) Service Tools
(09-013-001) Alternator
(09-013-005) Drive Belt, Alternator
(09-013-007) Batteries
(09-013-009) Battery Cables and Connections
(09-013-017) Starter Magnetic Switch
(09-013-018) Starter Switch
(09-013-019) Starter Solenoid
(09-013-020) Starting Motor

Section 14 - Engine Testing - Group 14
(09-022-001_14) Service Tools
(09-014-001) Dynamometer Worksheet
(09-014-002) Engine Testing (Chassis Dynamometer)
(09-014-003) Engine Run-in (Chassis Dynamometer)
(09-014-004) Engine Run-in (Without Dynamometer)
(09-014-005) Engine Testing (Engine Dynamometer)
(09-014-006) Engine Run-in (Engine Dynamometer)
(09-014-009) Engine Testing (Portable Dynamometer or Load Bank)

Section 16 - Mounting Adaptations - Group 16
(09-022-001_16) Service Tools
(09-016-001) Engine Lifting Brackets
(09-016-002) Engine Support Bracket, Front
(09-016-005) Flywheel
(09-016-006) Flywheel Housing
(09-016-008) Flywheel Ring Gear
(09-016-010) Engine Mounts

Section 17 - Miscellaneous - Group 17
(09-017-002) Cup Plug
(99-017-007) Pipe Plug
(09-017-011) Straight Thread Plug
(09-017-016) Straight Thread Fittings

Section 20 - Vehicle Braking - Group 20
(09-020-024) Engine Brake

Section L - Service Literature
(09-205-001-tr) Additional Service Literature
(99-205-002) Service Literature Ordering Location
(99-205-004) Cummins Customized Parts Catalog

Section V - Specifications

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