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 to troubleshoot and repair the Cummins NT 855 14.0L engine.
Topics:
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