The modern gas tractor, its construction, utility, operation and repair: a practical treatise defining every branch of up-to-date gas tractor engineering, driving and maintenance in a non-technical manner. Considers fully all types of power plants and their components, methods of drive and speed changing mechanisms. Describes design and construction as well as practical application of tractors in the field (1919)
Pagé, Victor Wilfred, 1885-1947 · New York : Scientific American Pub. Co. · leaf 384
d this condition material-izes on even the best constructed traction engine. Thisis one point that requires periodical attention, and asa rule the first thing done, if the engine lacks power,is to grind in the valves to a new seating. The inletvalves do not need grinding as often as the exhaustsdo,… … Fig. 161.—How Valve Spring and Valve May be RemovedFrom Gas Tractor Engine Cylinder. The first step when valves are suspected is to removethem from the cylinder. The method of doing this isclearly outlined at Fig. 161. It is necessary to releasethe valve spring pressure sufficiently so the key…
Farm engines · Internal combustion engines
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