Cummins Service Manual (Bulletin 4021271) Volume 1 for ISBe, ISB, and QSB Common Rail Fuel System engines. Covers troubleshooting and in-chassis repair, including Introduction, Engine and System Identification, Familiarization, Troubleshooting Symptoms, and engine group sections through Rocker Levers.
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Cummins Inc. Service Manual, Bulletin 4021271 (Printed 29-OCTOBER-2014), Volume 1 of 2, covering the ISBe, ISB, and QSB engines with Common Rail Fuel System. This manual provides instructions for troubleshooting and repairing the engine in the chassis; component/assembly rebuild procedures are in the separate engine shop manual.
PDF, English, 916 pages. Sold as Volume 1 of 2 — see Volume 2 for continued coverage (Fuel System through Engine Testing).
| Manufacturer | Cummins |
|---|---|
| Model / Series | ISBe, ISB, QSB |
| Fuel System | Common Rail |
| Manual Type | Service Manual (Volume 1 of 2) |
| Coverage | Troubleshooting, Identification, Disassembly/Assembly, Cylinder Block/Head, Rocker Levers |
| Manual Number | Bulletin 4021271 (29-OCT-2014), 916 pages |
The information was easy to find and convenient to use when reviewing fuel system service procedures.
The manual was well organized and easy to follow. The fuel system service information was straightforward to reference.
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