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HOW TO USE


The injection - molded frame is shaped and drilled to specifically fit the rocker cover mounting-surface of individual air-cooled aircraft engine cylinders.

Holes in the base match the existing 1⁄4” holes used to secure rocker covers. The frame bridge has two drilled/threaded holes to match the specific angle of the valve train to allow for even and straight compression of the valve springs. These threaded holes have modified bolts installed.

A 9/16” wrench is used to turn the bolt through the threaded portion of the frame and apply pressure in the direction of the valve. The bolts are milled on the valve train end to accommodate attachment of a heavy “C” channel that contacts the valve spring retaining washer. The channel is designed to contact the edges of the washer and allows maximum working room in the center of the valve to remove valve keepers.

©Jollytime Tools 2017

 


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