[AJD] Unstyled B conundrum

Rev. Gerber drgerber at fuse.net
Wed Feb 18 13:31:06 PST 2009


A good machine shop can find/fabricate sleeves if they cannot be located.
Had sleeves made for the old LA a few years ago, and put the original
standard pistons back in.  Old girl runs just fine.  

Rev. Dr. David R. Gerber
Mt. Airy United Methodist Church
2645 North Bend Rd.
Cincinnati, OH  45239
Phone: 513-541-0307
FAX: 513-541-2575


-----Original Message-----
From: antique-johndeere-bounces at lists.antique-tractor.com
[mailto:antique-johndeere-bounces at lists.antique-tractor.com] On Behalf Of
Bill Brueck
Sent: Wednesday, February 18, 2009 2:28 PM
To: 'Antique John Deere mailing list'
Subject: Re: [AJD] Unstyled B conundrum

Nope, I don't have any sleeves.

To my knowledge Deere never sold a sleeve for these blocks.  You just bored
them out as much as needed and used the cast iron block the way it was with
oversize pistons and rings.  When folks have these blocks sleeved, I assume
it's a generic sleeve that the machine shop provides.

I wouldn't worry about the 2 sides being the same oversize, either.  I can't
imagine that would make a discernable difference.

If you run into too much trouble, I'd think a salvage block would be pretty
available and reasonable.  

Maybe post to the larger list to make sure I'm on the right track on those
sleeves.  

Best of luck, Bill!

BB 

-----Original Message-----
From: antique-johndeere-bounces at lists.antique-tractor.com
[mailto:antique-johndeere-bounces at lists.antique-tractor.com] On Behalf Of
Bill Thompson
Sent: Wednesday, February 18, 2009 1:09 PM
To: Antique John Deere mailing list
Subject: Re: [AJD] Unstyled B conundrum

Hi Bill,
Can you help me out , looking for a sleeve for my 1939 B , my mechanic said
he only needed one, and that is the one that was stuck,and bore it to match
the other one. Or should I do the other one also? Thank's  Bill T.



-----Original Message-----
From: antique-johndeere-bounces at lists.antique-tractor.com
[mailto:antique-johndeere-bounces at lists.antique-tractor.com]On Behalf Of
Bill Brueck
Sent: Sunday, February 01, 2009 8:24 PM
To: 'Antique John Deere mailing list'
Subject: Re: [AJD] Unstyled B conundrum


I changed mags on a later model B several years ago.  That was before I had
manuals and Internet and such luxuries.  The coupling had a different angle
on the replacement mag and I just loosened up the governor housing enough to
lift it up and skip a few teeth on the gear.  A little trial and error and
it was timed OK again.

Yeah, I know, not the right procedure for a restoration.  I wasn't trying
for a restoration, I had my farmer hat on and needed to get a tractor
running.  I remember that was the tractor that had been converted to an
alternator.  But the engine wouldn't rev up enough to start the charging.
So I put a push button on the dash to excite the alternator so it would
start charging.

It ran just fine.

B²

Bill Brueck
   Chatfield, Minnesota, USA

Confusion is a higher state of knowledge than ignorance.


-----Original Message-----
From: antique-johndeere-bounces at lists.antique-tractor.com
[mailto:antique-johndeere-bounces at lists.antique-tractor.com] On Behalf Of
Mike Scholl
Sent: Sunday, February 01, 2009 5:20 PM
To: Antique John Deere List
Subject: [AJD] Unstyled B conundrum


I looking for an answer to a problem that started in 1945 or 1946.

Sometime in 1945 or 1946 my 1935 John Deere B was fitted with a modified
short-lug coupler Wico X magneto, I'll assume to replace its 'problematic'
F-M DRV2B.  As many of you are aware of, aside from the lug length, there is
also a difference in the lag angle between short and long lug coupler.

My Wico X has the 6274 short lug coupler, but the lugs have been lengthened
nearly 3/8".  I don't know what was done if anything other than the lug
lengthening.

In the 30+ years that I've had the tractor, it has always run well, but 2
years ago I decided to restore it so my grandson can drive it in parades and
things like that.

Since the tractor will be compared to others of similar vintage, I decided
that I'd try to get as close to the way it was when it left Waterloo as my
pocket book would allow.  With that in mind, I bought a F-M DRV2B.  It is a
good mag the throws a nice spark when I bench test it.

Here's my problem... When I put it on the tractor I cannot adjust it to
where the impulse trips anywhere near "LH IMPULSE".   It's still too cold
here in Minnesota to work in an unheated garage and when it warms up I plan
to pull the governor case to see if there are register marks on the cam and
governor shaft that might show that I am off register.  I've explained my
problem to an expert and been told that there is a fair chance that I'm
looking in the right direction.

Here's my question... Is there anyone out there that has encountered a
similar situation that can say "Yes, this was a common practice" or "No, a
single gear tooth off would give you more than the difference in lag angle
between the long and short lugs".

Any insight is appreciated!

Thanks in advance,
Mike
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