load as minor tightening was not un-common, and a heavy seizure could result in disassembly and liner and piston replacement. But once run in the process of gaining full power with minimal rpm overshoot or droop or heavy black smoke was achieved by finely adjusting the injection timing and governor load springs in the CAV DPA injection pump. Ian V Curtis recollections whilst an apprentice Diesel Engineer at Walkers Marine during the 1980s. External links Perkins Engines Company Perkins in Czech Republic History of Perkins Engines Perkins Parts Perkins.com Webcitation.org Engine technology Perkins Perkins engines