[Farmall] dirt in hydraulic unit

[Al Jones]

I am assuming it doesn't have any remote hydraulic connections or 
anything--in other words, a closed system.  If so it could be someone was 
careless about cleaning around the filler plug before adding fluid, or maybe 
their fluid container was dirty.

Al

--------------------------------------------------
From: "WALTER AVERY" <waltavery at embarqmail.com>
Sent: Friday, July 30, 2010 3:38 PM
To: "Farmall/IHC mailing list" <farmall at lists.antique-tractor.com>
Subject: [Farmall] dirt in hydraulic unit

>
> i have a 48 super a that has gotten dirt into the hydraulic unit.
> i found this when i replaced the fluid.
> where can dirt get in?
>
> thanks, Walt
>
> ----- Original Message -----
> From: Jim Becker <jim.becker at verizon.net>
> To: Farmall/IHC mailing list <farmall at lists.antique-tractor.com>
> Sent: Fri, 30 Jul 2010 10:29:22 -0400 (EDT)
> Subject: Re: [Farmall] Clutch Decision
>
> Probably time to get a rebuilt pressure plate assembly.  First off, you 
> will
> probably have trouble finding new fingers as separate parts.  Secondly, if
> it has so much use that the fingers show a lot of wear, the rest of the
> assembly probably isn't in exactly top condition any more (e.g. weak
> springs, worn friction surface).
> Jim Becker
>
> --------------------------------------------------
> From: "Al Jones" <farmallsupera at earthlink.net>
> Sent: Thursday, July 29, 2010 7:28 PM
> To: "Farmall/IHC mailing list" <farmall at lists.antique-tractor.com>
> Subject: Re: [Farmall] Clutch Decision
>
>> This is a very timely discussion.  When I start putting the 39 A back
>> together, I need to decide what to do.  I haven't done a real close
>> inspection, but the only thing I noticed when taking it apart was that 
>> the
>> release fingers were worn severely.  Can you just replace them or had I
>> might as well replace the pressure plate as a unit?
>>
>> Thanks,
>> Al
>>
>> --------------------------------------------------
>> From: "Jim Becker" <jim.becker at verizon.net>
>> Sent: Thursday, July 29, 2010 6:26 PM
>> To: "Farmall/IHC mailing list" <farmall at lists.antique-tractor.com>
>> Subject: Re: [Farmall] Clutch Decision
>>
>>> If you only have one spot you will probably be OK.  How big is it?
>>> Smaller
>>> than the diameter of a pencil you probably would never notice.  Try
>>> sanding
>>> the spot.  It may disappear or at least get smaller.  Other than sanding
>>> the
>>> spot, there isn't anything you can do to remove it other than replacing
>>> the
>>> pressure plate.  If there are too many hard spots the clutch will
>>> probably
>>> want to chatter.
>>> Jim Becker
>>>
>>> --------------------------------------------------
>>> From: "Ben Wagner" <supera1948 at gmail.com>
>>> Sent: Thursday, July 29, 2010 3:25 PM
>>> To: "Farmall/IHC mailing list" <farmall at lists.antique-tractor.com>; "At"
>>> <at at lists.antique-tractor.com>
>>> Subject: Re: [Farmall] Clutch Decision
>>>
>>>> On 7/29/2010 2:28 PM, Jim Becker wrote:
>>>>> One of the main reasons people buy the whole works is so they won't
>>>>> have
>>>>> to
>>>>> do it over, especially at a time when they may actually need to be
>>>>> using
>>>>> the
>>>>> tractor (or truck or car).  If this is just a tractor you play with,
>>>>> some
>>>>> of
>>>>> those concerns don't apply.  Besides, an A is easy to split, so doing
>>>>> it
>>>>> twice isn't that big a deal either.  Inspect the parts and only 
>>>>> replace
>>>>> what
>>>>> it really needs.
>>>>>
>>>>> Pressure plate:  Clean rust off the friction surface with sand paper.
>>>>> Inspect for hard spots (look blue), cracks or scoring.  Check the
>>>>> springs
>>>>> and levers for damage.  Make sure the levers are all adjusted the 
>>>>> same.
>>>>> If
>>>>> that all looks good, reuse it.
>>>>>
>>>>> Flywheel:  Same as the friction surface of the pressure plate.
>>>>>
>>>>> Driven disk:  Check the thickness of the lining.  If it is mostly worn
>>>>> out,
>>>>> replace it.  If not, check that it came off clean, with all friction
>>>>> material in place and rivets tight.  If it has imbedded rust or a hard
>>>>> glaze, sand paper it until the glaze is uniformly broken.  Do this
>>>>> outside
>>>>> with wind to your back and wear a mask so you don't breath in any 
>>>>> dust.
>>>>> If
>>>>> it is old, it may have some asbestos in it.  If it looks good at that
>>>>> point,
>>>>> reuse it.
>>>>>
>>>>> While you are in there, check the pilot bearing for wear and give it a
>>>>> little oil.  Check the throwout bearing too.
>>>>> Jim Becker
>>>>>
>>>>>
>>>> Checked the pressure plate, and I do have one of those hard spots. 
>>>> What
>>>> do I do to correct this?
>>>>
>>>> Thanks,
>>>> Ben Wagner
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