Cummins ISC, QSC8.3, ISL and QSL9 Engines Shop Service Manual

Model: Cummins ISC, QSC8.3, ISL and QSL9
Language: English
Format PDF
Type: Service Manual
Publication No: 402141800
Number of Pages: 788 Pages

The Cummins ISC, QSC8.3, ISL and QSL9 manual is organise to guide a service technician through the logical steps of identifying and correcting problems related to the engine. This manual does not cover vehicle or equipment problems. Consult the vehicle or equipment manufacturer for repair procedures ..

This ISB Engine Troubleshooting and Repair Manual is intended to aid in determining the cause of engine-related problems and to provide recommended repair procedures. The manual is divided into sections by system. Each section provides general information, specifications, diagrams, and service tools where applicable. The specific repair pro cedures are referenced in the Troubleshooting Symptoms Charts.

How to Use the Manual Cummins ISC, QSC8.3, ISL and QSL9 manual
The manual is organized to provide an easy flow from problem identification to problem correction. A list of trouble shooting symptoms containing the most common engine problems begins on Page T-a in Section TS – Troubleshootjng Symptoms. Complete the following steps to locate and correct the problem.

Step 1
Locate the symptom on the list.
Refer to the procedure number where the Troubleshooting Symptoms Chart is found.

Step 2
The left column of the Troubleshooting Symptoms Chart indicates a problem cause, starting at the top with the simplest and easiest to repair, and continuing downward to the most difficult. The right column provides a brief description of the corrective action, with the reference number, for the repair.

Step 3
Locate the probable cause in the left column, and then turn to the procedure number in the right column.
The repair procedures are list by system (Cooling, Lubricating Oil, Combustion Air, Com pressed Air, Fuel, Electrical, and Base Engine Components).
The Troubleshooting Symptoms Charts are based on the following assumptions:

Step 4
1. The engine has been installed according to the manufacturer’s specifications.
2. The easiest repairs are done first.
3. “Generic” solutions cover problems with the most common applications and original equip ment manufacturers (OEM).

This manual provides instructions for troubleshooting and repairing this Cummins ISB and QSB5.9 engine in the chassis. Component and assembly rebuild procedures are provided in the engine shop manual.

A series of specific service manuals (for example: Shop, Specifications, and Alternative Repair) are available and can be order by filling out and mailing the Literature Order Form located in Section L – Service Literature.

The repair procedures used in this Cummins ISC, QSC8.3, ISL and QSL9 engines manual are approve by Cummins Engine Co., Inc. Some service procedures require the use of special service tools. Use the correct tools as described.