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Piston

Old Marine Engine » Gray Motor Co - early 1 and 2 cylinder » Piston « Previous Next »

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Harold Janes
New member
Username: harold_janes

Post Number: 1
Registered: 02-2011
Posted on Saturday, February 05, 2011 - 07:27 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

I need to know which way the piston goes in a Gray 3 h.p. model "u" serial #3u28176. Does the ridge on top of piston go towards the flywheel or the output shaft?
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J.B. Castagnos
Senior Member
Username: jb_castagnos

Post Number: 574
Registered: 07-2002


Posted on Saturday, February 05, 2011 - 09:35 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Generic rule. Deflector goes "on the opposite side of the exhaust port".
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Harold Janes
New member
Username: harold_janes

Post Number: 2
Registered: 02-2011
Posted on Sunday, February 06, 2011 - 09:36 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Thanks J.B.
Now I have another question about the same engine.
On the top of the timer cover there is a small threaded hole next to where the spark wire connects. What goes there and what is the purpose?
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Ernie
Senior Member
Username: ernie

Post Number: 1310
Registered: 01-2002


Posted on Monday, February 07, 2011 - 07:18 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

A little twist to open oiler goes there. Just twist and stick the snout of your oil can in and give s squirt or 2.
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Harold Janes
Member
Username: harold_janes

Post Number: 4
Registered: 02-2011
Posted on Monday, February 07, 2011 - 11:18 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Hi Ernie:
Thanks for your reply.
My Gray is nearly complete and I will post pics when it is.
About you reply, I understand it’s a place to oil the timer but not sure how it looks. Could you please send me a close up of that little thing? I'm a retired machinist so I will make one.
Also I need the little cover that goes over the needle valve adjustment on my Schebler model D. This seems to be the only thing on this engine that is not a standard thread. I wonder why?
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Ernie
Senior Member
Username: ernie

Post Number: 1311
Registered: 01-2002


Posted on Monday, February 07, 2011 - 03:17 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

The cover you need is 5/8th 11 thd.
I will get a pic of the oil cap as soon as I can.
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Harold Janes
Member
Username: harold_janes

Post Number: 5
Registered: 02-2011
Posted on Monday, February 07, 2011 - 04:44 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Thanks,I'm not sure we're talking about the same thing on the carb. The cover that's missing is 3/4-18 which is odd. My carb is the same as the one in the pic you included in your post. I've tried to include pics but I keep getting error message saying file is too large. I set my camera to "basic" which is the lowest quality but still doesn't work. Any idea what I'm doing wrong?
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Ernie
Senior Member
Username: ernie

Post Number: 1312
Registered: 01-2002


Posted on Monday, February 07, 2011 - 06:04 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

See if your camera has an e-mail pic setting and try that.
Or just click on my name to the left and e-mail them to me and I will post them for you.
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Ernie
Senior Member
Username: ernie

Post Number: 1313
Registered: 01-2002


Posted on Monday, February 07, 2011 - 08:05 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Harold,
Yes you are correct the cover is 3/4 I was digging in the cobwebs. As to where to get one just keep looking all Schlebler carbs 1 inch and up used them.
Pics of the oiler open and closed. The spare engine for my boat has a simple flip top oiler like you would see on an electric motor bearing.



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Ernie
Senior Member
Username: ernie

Post Number: 1314
Registered: 01-2002


Posted on Monday, February 07, 2011 - 08:20 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Harold's Pics
NICE WORK!



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J.B. Castagnos
Senior Member
Username: jb_castagnos

Post Number: 576
Registered: 07-2002


Posted on Monday, February 07, 2011 - 09:26 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

George Coates makes the caps and other Schebler parts, they're available from Dave Reed, he's at

otto@ringspacers.com
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Harold Janes
Member
Username: harold_janes

Post Number: 6
Registered: 02-2011
Posted on Tuesday, February 08, 2011 - 10:38 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

The pics of the little oiler really helped.
Now, if someone had a spare one I would be glad to purchase it.

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