Cummins ISBe ISB and QSB Common Rail Fuel System Service Manual Volume 1

If you service or repair the Cummins ISBe ISB and QSB Common Rail Fuel System, this manual puts the repair steps, adjustment values and system information in a single file you can keep on a laptop, tablet or phone at the workbench.

The document is 916 pages long and is referenced as Bulletin 4021271 (29-OCT-2014).

What's inside

• Section i — Introduction
• Section E — Engine and System Identification
• Section F — Familiarization
• Section TS — Troubleshooting Symptoms
• Section TT — Troubleshooting Symptoms (New Format)
• Section DS — Engine Disassembly (Group 00)
• Section AS — Engine Assembly (Group 00)
• Section 0 — Product (Group 00)
• Section 1 — Cylinder Block (Group 01)
• Section 2 — Cylinder Head (Group 02)

Models covered

• ISBe
• ISB
• QSB

User help

1. Make sure it matches your machine. Look up your model and serial number and compare them with the coverage above. Not sure? Send us those details and we will help you check before you buy.
2. Get the file. This is a digital PDF download. Nothing is shipped, so you can start using it as soon as you have the file.
3. Read it on any device. The file opens in standard PDF readers on Windows, Mac, Android and iOS. Keep a backup copy so you always have it.
4. Jump straight to the section you need. Start from the table of contents or search for a part name, fault code or value, then print just those pages for the workshop.
5. Work step by step. Read the safety notes for a procedure before you start, follow the stated torque values and sequences, and use the specification and test sections to confirm a fault before replacing parts.
6. Stay safe. Repairs on engines, hydraulics, fuel and electrical systems can be dangerous. Follow the safety instructions in the document, use proper tools and support equipment, and follow local regulations.

Cummins and all model names are trademarks of their respective owners and are used here only to identify compatibility. This store is an independent seller and is not affiliated with or endorsed by Cummins. For informational and maintenance use.