| 摘要 |
PURPOSE: A removing device of a valve seat is provided to easily remove the valve seat from a cylinder head. CONSTITUTION: A removing device of a valve seat contains sharp edges(1,2) to penetrate into a boundary between the valve seat(6) and a cylinder head(7) and faced at 180degrees; a fixing arm(3) and an operating arm(4) crossed each other by extending from the edges; a pin(5) to combine the arms to be rotatable; an operating rod(14) fixed in the operating arm by penetrating through the fixing arm; a piston(13) integrated with the operating rod; and a hydraulic cylinder(9) to guide a reciprocation of the piston and supported by the fixing arm. Thereby, the valve seat is removed easily and a testing of the valve seat is performed exactly.
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