the valve
71valve umbrella — A washer like unit that is placed over the end of the valve stem to prevent the entry of excess oil between the stem and the guide. Used in valve in head installations …
72valve cap — A screw on cap to prevent the entry of dirt and dust into the tire valve. It does not keep the air in the valve core does that …
73valve clearance — In a reciprocating engine, the clearance between the end of a valve head and a rocker arm when the valve is seated …
74valve seat face — An annular part of a valve head located at the valve seat of the cylinder head …
75valve lifter — noun : a device used especially in the internal combustion engine for opening the valve of a cylinder * * * Auto., Mach. (in an internal combustion engine) a tappet that opens a valve when actuated by a camshaft …
76valve tappet — An adjusting screw to obtain the specified clearance at the end of the valve stem (tappet clearance). The screw may be in the top of the lifter, in the rocker arm, or in the case of the ball joint rocker arm, the nut on the mounting stud acts in… …
77valve cover — A long metal lid located on the top of the cylinder head on vehicles with overhead camshafts. The valve cover is removed when the valves need adjusting. The British term is rocker box or rocker cover …
78valve body housing — A housing which incorporates the bores in which the valve spools slide and the canals which channel the oil flow …
79valve oil seal — A neoprene rubber ring that is placed in a groove in the valve stem to prevent excess oil entering the area between the stem and the guide. There are other types of these seals …
80valve adjusting screw — A screw at the end of a rocker which bears on a pushrod; used to tilt the rocker and thus adjust the valve clearance …
