Outdoor Power Equipment (Lawn Mowers, Snow Blowers, Chain Saws and more) Discussions

On Jan 1, 2007, at 3:22 PM, Alan A. Keimig wrote:

> FROM:
> Alan A. Keimig
>
> EMAIL ADDRESS:
> alan-a-k@juno.com
>
> COMMENTS, SUGGESTIONS, FEEDBACK:
> I am seeking the probable cause of my Tecumseh engine failure. The
> engine is a HMSK80 8 HP. [From the Sears snow blower.]
>
> I noted the engine running rough and with some vibration just
> before it broke the connecting rod .
> The broken rod punched a hole 1\" x 1.5\" in the case. The
> \'plastic\' governor gear was almost melted beyond recognition, and
> had seized the adjoining gear.
> Please note that some engine hours ago , the engine would not turn over. A local mechanic removed the stuck \"Intake Valve Stem Seal\" used on \"emissionied engines\" .
> [See page 85 of Tecumseh Technician\'s Handbook {3 to 11 HP 4-
> cycle L-Head Engines}.]
> The engine ran well after that procedure.
>
> Thanks for your answers.
>
> Alan Keimig
>