An Excerpt from the book “Marine Diesel Engines: Maintenance, Troubleshooting and Repair by Nigel Calder

“A fuel injection pump is an incredibly precise piece of equipment. The plungers in a jerk pump are machined to within 0.00004” of the cylinder bores into which they fit. Unlike the pistons in the engine, no rings seal these plungers and while the pressures in the engine cylinders may reach 1000 psi, pressures in […]

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