Hello Baldingow180

That diagram was from a Victa Imperial Record I wrote some time ago: -

https://www.outdoorking-forum.com.au/forum/ubbthreads.php?ubb=showflat&Number=72729

However, I have since recorded a Morrison parts list here: -

https://www.outdoorking-forum.com.au/forum/u...rison-the-olympic-reel-mowers-c1962.html

I hope this helps.
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Jack