Cummins NT855 BC3 BC4 Engine Troubleshooting & Repair Manual

$19.99

Covers: Cummins NT855 Big Cam III and Big Cam IV Engines
Pages:
 693
Format: PDF
File size: 46mb
Works with: Windows/Mac/Tablet
Notes: Searchable, printable, instant download

This manual provides instructions for troubleshooting and repairing the Cummins NT 855 14.0L engine.

Topics in the Cummins NT855 BC3 BC4 Engine Troubleshooting & Repair Manual:

Introduction 

Engine Identification

  • General Engine Specifications
  • Engine Views

Troubleshooting 

  • Procedures and Techniques
  • Air Compressor Problems
  • Alternator Malfunctioning
  • Connecting Rod Bearing Noise
  • Coolant in the Lubricating Oil
  • Coolant Loss
  • Coolant Temperature Above/Below Normal
  • Engine Crankcase Gases (Blowby) – Excessive
  • Engine Cranks, But Will Not Start (No Exhaust Smoke)
  • Engine Decelerates Poorly
  • Engine Hard to Start, or Will Not Start (Exhaust Smoke Present)
  • Engine Power Output Low
  • Engine Noise – Excessive
  • Engine Runs Rough or Misfires In Operating Range (Warm Engine)
  • Engine Starts But Will Not Keep Running
  • Engine Surges
  • Engine Surges While Operating at Rated RPM and Load
  • Engine Vibration – Excessive
  • Engine Will Not Crank or Cranks Slowly
  • Engine Will Not Reach Rated Speed When Loaded
  • Engine Will Not Shut Off
  • Excessive White Smoke at Idle
  • Exhaust Smoke Under Load – Excessive
  • Fuel Consumption – Excessive
  • Fuel in the Coolant
  • Fuel in the Lubricating Oil
  • Idle – Rough
  • Low Power or Excessive Smoke (Low Turbocharger Boost Pressure)
  • Lubricating Oil Consumption – Excessive
  • Lubricating or Hydraulic Oil in the Coolant
  • Oil Pressure High or Low
  • Lubricating Oil Sludge in the Crankcase – Excessive
  • Lubricating Oil Temperature Above Normal
  • Main Bearing Noise
  • Mechanical Variable Timing Will Not Switch to Advanced or Retarded Timing Mode
  • Piston Noise
  • Surge in Top Gear – Road Speed Governor Not Set Correctly
  • Throttle Response Slow (Engine Dies Going Downhill)
  • Turbocharger Leaks (Engine Oil or Fuel)
  • Turbocharger Noise
  • Variable Speed (VS) Governor Problems
  • White Smoke – General Information
  • Symptoms Cause and Correction Charts

Engine Systems Repair

  • Cooling System
  • Lubricating Oil System
  • Combustion Air System
  • Compressed Air System
  • Fuel System
  • Electrical System
  • Base Engine Components

Engine Testing (In-Chassis)

Engine – Remove and Install

Engine Component Specifications

Alphabetical Index

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