Complete workshop service manual with electrical wiring diagrams for Cummins Big Cam III, Big Cam IV, NT855 Engines. It's the same service manual used by dealers that guaranteed to be fully functional and intact without any missing page.

This Cummins Big Cam III, Big Cam IV, NT855 Engines service & repair manual (including maintenance, overhaul, disassembling & assembling, adjustment, tune-up, operation, inspecting, diagnostic & troubleshooting…) is divided into different sections. Each section covers a specific component or system with detailed illustrations. A table of contents is placed at the beginning of each section. Pages are easily found by category, and each page is expandable for great detail. The printer-ready PDF documents work like a charm on all kinds of devices.

"3810298-00.pdf"
693 pages
Big Cam III and Big Cam IV, NT 855 Engines Troubleshooting and Repair Manual
This manual provides instructions for troubleshooting and repairing the NT 855 engine in the chassis. Component and assembly rebuild procedures are provided in the NT 855 Engine Shop Manual. The manual is organized to guide a service technician through the logical steps of identifying and correcting problems related to the engine.

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"3810434-00.pdf"
83 pages
Big Cam IV, New Big Cam IV, and 88 Big Cam IV NT 855 Series Engines Specifications Manual
This manual contains complete assembly and rebuild specifications for the Big Cam IV, New Big Cam IV, and 88 Big CamIV engines and all associated components manufactured by Cummins Engine Company, Inc.

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"TM 9-2815-226-34-1.pdf"
280 pages
DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL FOR ENGINE, DIESEL, 6 CYLINDER INLINE, TURBOCHARGED, CUMMINS MODEL NTC-400 BC2 NSN 2815-01-156-6210 SEPTEMBER 1985

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"TM 9-2815-225-34&P.pdf"
940 pages
Supersedes TM 9-2815-225-34&P-1, TM 9-2815-225-34&P-2, TM 9-2815-222-34&P and all changes.
DIRECT SUPPORT AND GENERAL SUPPORT (DS/GS) MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST (RPSTL) FOR ENGINE, DIESEL: 6 CYLINDER IN-LINE, TURBOCHARGED, CUMMINS MODEL NTC-400 M915-M920 AND M915A4*/BIG CAM I (NSN 2815-01-082-8125) M915A1 AND M915A4*/BIG CAM III (NSN 2815-01-142-2745) AUGUST 2001
REVISION SUPERSEDES COPIES DATED DECEMBER 1983, INCLUDING ALL CHANGES.

EXCERPT:
Section 3 - Combustion Air System Aftercooler - Pressure Test (3-17)
Aftercooler - Pressure Test (3-17)
NOTE: Do not remove the assembly capscrews or the studs from the Big Cam IV aftercooler assembly. Removal of any of the assembly capscrews can release the clamping load on the aftercooler core. If the capscrews or the studs are loosened or removed by mistake, tighten the capscrews or the studs to 40 N•m [30 ft-lbs] torque.
1. Remove the aftercooler assembly. Refer to Procedure 3-16.
2. Disassemble the Big Cam III aftercooler. Refer to Procedure 3-16.
3. Install the hose (1), the hose clamps (2), and the solid pipe plug (3) on the water outlet pipe.
4. Install the hose (4), the hose clamps (5), and the water inlet tube (6) on the water inlet pipe.
5. Install the hose (7), the hose clamps (8), and the air pressure gauge (9).
6. Connect the air pressure gauge to a regulated air supply, and apply 276 kPa [40 psi] air pressure.
7. Submerge the core or aftercooler assembly in a tank of water heated to 80°C [180°F].
8. If air bubbles appear, the core is damaged. Replace the core or aftercooler assembly.
9. Remove the core or aftercooler assembly from the water tank.
10. Remove the test equipment.
11. Dry with compressed air.
12. Assemble the Big Cam III aftercooler. Refer to Procedure 3-16.
13. Install the aftercooler assembly. Refer to Procedure 3-16.
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