Useful for mounting and dismounting the valve spring in the cylinder head of combustion engines of automobiles.

摘要

Useful for mounting and dismounting the valve spring in the cylinder head of internal combustion engines of automobiles, essentially characterized in that it consists of a stepped cylindrical body housing a plunger rod by means of a spring contained in said body is applied to the outside through a lower mouth of such a body to which stepped portion is removably coupled a hollow handle in which the upper section of the stepped cylindrical body is housed in the mouth which are arranged fitted at its upper edge the two semiannular parts complementary conventional inferiorly conical spring retainer to be mounted and which has previously been fitted around the valve stem, comprising the further useful a nozzle which is threaded at one end into one of the openings provided in the cylinder head for mounting a spark plug, to which nozzle is spliced ​​at the other end the mouth of a eleme nto injector tire with which pressurized air is injected into the piston chamber to keep it in a raised position to support the valve, after which a hammer impact on the free end of the above handle is applied, the impact is transmitted by the hammer-shaped damped by its spring to the semi-annular parts so that the latter are stapled in the extreme upper throat of the valve stem and is retained to those usual thrust washer spring valve assembly is removable using only the hollow handle to the edge of its mouth rests on the semi-annular parts retaining, after which a hammer an impact to the handle is applied, whereby they said parts are desgrapan throat stem valve, whose parts are held together with the thrust washer spring by a magnet provided in the annular mouth of the handle can be removed with dich I retained elements to it, and esliberado dock for removal.