The OM422 features individual cylinder heads for each cylinder, making top-end overhauls modular. It also utilizes "wet" cylinder liners, which contact the engine coolant directly. Liner Service Notes
In addition to print versions, digital versions of the OM422 engine workshop manual are also available. These digital versions offer several benefits, including:
The OM422 engine was designed for commercial vehicles like the Mercedes-Benz NG (New Generation) trucks, buses, and stationary industrial applications. It is known for its cast-iron block, individual cylinder heads, and gear-driven camshaft. Core Technical Data 90-degree V8 diesel Displacement: 14.62 liters (14,618 cc) Bore x Stroke: 128 mm x 142 mm om422 engine workshop manual
A comprehensive workshop manual is essential for maintaining, repairing, and troubleshooting the OM422 engine. The manual provides detailed information on:
Rotate the engine to the specified static injection timing point (typically 15° to 18° Before Top Dead Center, depending on the specific engine variant model code). The OM422 features individual cylinder heads for each
: Procedures for inspecting wear patterns and verifying oil clearance using Plastigage.
Specialized sections on removing and installing injection pumps for various configurations including OM422 A and LA models. Essential Technical Specifications Specification Configuration V8 Engine, 4-stroke cycle Displacement 14.6 Liters Bore / Stroke 128.00 mm / 142.00 mm Power (OM422) 202 kW (275 hp) @ 2300 rpm Main Bearing Torque The manual provides detailed information on: Rotate the
: Guidelines for checking journal diameters and grinding tolerances for undersize bearings. 2. Cylinder Head and Valve Train
Bleed the fuel system thoroughly using the hand primer pump before attempting to start the engine. 5. Cylinder Head and Wet Sleeve Liners