Hi ron, in attached photo see where im pointing where the t.side crank comes through the casing there is approx 1.5mm gap around the shaft. When worm drive is installed onto the turned down keyed part then buts upto the shoulder does notthing go behind here

https://ibb.co/h98R1Qq

Any oil that enters the timing chest is automatically drained back to the sump and then back to the tank. Ron

email (option): ronpier@talk21.com

Thanks Ron was wondering why i couldnt see anything on any drawings