B - Operations – Transporting – 25 – B
Patent
B - Operations, Transporting
25
B
26/22
B25B 27/14 (2006.01) B25B 27/00 (2006.01)
Patent
CA 1254369
ABSTRACT OF THE DISCLOSURE This application relates to a guide device or tool to facilitate the replacement of the upper rear seal in an internal combustion engine. The seal is mounted on a semicircular rigid seal retainer with an outer flange, and the guide device provides for their reinstallation with the flange being received in a curved groove in the block without requiring the removal of the crankshaft from the engine block. The guide device is bolted to the block using one of the empty bolt holes normally used to hold the lower rear main bearing in place. The device has a steel body with an arc shaped edge which extends around a portion of the crankshaft and a number of spaced pins which project from one side of the body adjacent the arc shaped edge. The spaced pins are located so their inner sides form a segment of a circle which is equal in diameter to the outer flange of the seal retainer and in alignment with the groove in the block. In order to install the upper seal and retainer, one end is manually slid as far as possible into the groove, with the outer flange bearing against the spaced pins. The other end of the seal retainer is then tapped with a hammer and the spaced pins act to translate the force around the semicircular retainer to overcome the frictional forces from the crankshaft and groove to allow the seal and retainer to be driven into place.
494173
Bryce James L.
Riches Mckenzie & Herbert Llp
LandOfFree
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