Engine valve service apparatus

Details Engine valve service apparatus Engine valve service apparatus

1994-02-22

1994-11-22

Watson, Robert C.

Metal working

Means to assemble or disassemble

Valve applying or removing

B23P 1904

Patent

active

053656474

ABSTRACT:
In association with an overhead camshaft type internal combustion engine, apparatus to simultaneously pressurize all the combustion chambers and to maintain the valves in their closed positions while removing or installing valve springs. The apparatus has an elongated tubular inlet bar closed at one end and attached at the other end to a source of pressurized air. A flat base member is attached to the cylinder head so that openings therein are aligned over spark plug openings in the cylinder head. Short tubes extend from the base member to the tubular inlet bar to pass pressurized air to the combustion. The tubular inlet bar is also useful as a fulcrum for a lever used to compress the valve springs.

REFERENCES:
patent: 4176435 (1979-12-01), Castoe
patent: 4446608 (1984-05-01), Johnson
patent: 4787130 (1988-11-01), Hale et al.
patent: 5117864 (1992-06-01), Byers

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