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1979 (or so) Toro 724 (38050) and 2018 Ariens Platinum 24
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1,618 Posts
To clarify: There is clearly a crush washer on the plug . . . The other end (that goes into the block) is a tapered pipe thread, which seals itself, as well as not presenting any surface on which a washer could be used . . .
 

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Premium Member
1979 (or so) Toro 724 (38050) and 2018 Ariens Platinum 24
Joined
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1,618 Posts
all done w oil change. I cannot see that drainzit makes a tube that fits my Ariens engine. Installed tube nice and tight. added Teflon tape to nut. Went to several places for a crush washer...apparently my nut is not designed for one. Manual could be better written. Thanks for help and feedback all. View attachment 197864
That's a pipe cap also with tapered threads. If it gets chewed up and leaks, replacements can be found at pretty much any hardware store in plumbing. Same with the pipe . . . it's just a standard plumbing nipple.
 
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