Time to replace drive washer?

Henderson,Eric Eric.Henderson at gartner.com
Tue Jun 10 09:14:54 AKDT 2003


The drive washer should be tested for being true. I have had bad vibration from worn/crushed drive washers. I clamp the engine mounting lug in a vice and put a spinner plate and prop on the drive washer. Try the prop in 5 or 6 different positions to see if it is still true.

E.

-----Original Message-----
From: discussion-request at nsrca.org
[mailto:discussion-request at nsrca.org]On Behalf Of Atwood, Mark
Sent: Tuesday, June 10, 2003 1:05 PM
To: discussion at nsrca.org
Subject: RE: Time to replace drive washer?


I find a small piece of thin leather is even more effective and lasts forever.

-Mark

-----Original Message-----
From: Dean Pappas [mailto:d.pappas at kodeos.com]
Sent: Tuesday, June 10, 2003 12:42 PM
To: discussion at nsrca.org
Subject: RE: Time to replace drive washer?


Ihncheol, just CA a piece of heavy paper to the backplate of the spinner, and re-assemble.
It will work, even after the knurling is damaged.
It's a great use for those wasted paper tags that come on a baggie of Kwik-Links.
Regards,
	Dean

-----Original Message-----
From: Ihncheol Park [mailto:PatternFlyer at msn.com]
Sent: Tuesday, June 10, 2003 12:32 PM
To: NSRCA
Subject: Time to replace drive washer?


Hi, All,
My 140L scratched brand new Tru Turn 2.5" back plate from last prop loose
(it wasn't running lean, but it did anyway).  The backplate got rough
circles on the back with small chips.
Since the engine was acquired used, I have no idea how find a right time to
replace it. It still has some grooves left, but not sharp.
When do you replace drive washer?

Thanks,

Ihncheol



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