| 摘要 |
<p>A device (20) for accurately positioning and automatically aligning correctly each guide sleeve (14) within a bore (12) of a cylinder head (10) which includes a base (22) having a lower surface (22a) and an upper frusto-conical aligning surface (22b) for aligning a valve seat (16) thereon during forcible insertion (36) of a guide sleeve (14) into the respective bore (12), an axial bore (23) through the base, a guide rod (24) having an enlarged head (25) with a hexagonal surface at a lower end and outer screw threads (27) at an upper end; a driver cylinder (29) slidably positioned on the guide rod (24) above a guide sleeve (14) to be positioned in a respective bore (12); and a hex nut driver (33) threadably engaged with the upper end of the guide rod (24) for driving the guide sleeve (14) into the respective bore.</p> |
