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Posted by Tom on April 26, 2008, 3:49 pm
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Karl Townsend wrote:
> My 1970 Ford 2000 3 cylinder is in two pieces right now. I have the flywheel
> all mounted for machining. Now, I find out the spec. I need is not in the
> repair manual.
>
> There are two surfaces on this flywheel. The clutch itself mounts to the
> higher outer ring. The pressure plate surface is around 1.7 to 1.75 lower. I
> need the exact spec. on this height difference. I can see this height
> effects the clutch performance by changing when the PTO and forward disks
> engage relative to each other.
>
> Any suggestions on where to get the spec?
>
> Karl
>
>
No need of the specs, what you remove off the flywheel face, you remove
also of the mounting face. The original dimension is easily ascertained
if needed, as the clutch disc never wipes the full diameter of the flywheel
surface.
Service manuals? What is the US fixation on these? Never seen one yet that
gave these details. All they say is replace the flywheel when it requires
resurfacing. It is a F.O.R.D after all.
Tom
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Posted by ED on April 26, 2008, 8:52 pm
Please log in for more thread options
>Karl Townsend wrote:
>
>> My 1970 Ford 2000 3 cylinder is in two pieces right now. I have the flywheel
>> all mounted for machining. Now, I find out the spec. I need is not in the
>> repair manual.
>>
>> There are two surfaces on this flywheel. The clutch itself mounts to the
>> higher outer ring. The pressure plate surface is around 1.7 to 1.75 lower. I
>> need the exact spec. on this height difference. I can see this height
>> effects the clutch performance by changing when the PTO and forward disks
>> engage relative to each other.
>>
>> Any suggestions on where to get the spec?
>>
>> Karl
>>
>>
>No need of the specs, what you remove off the flywheel face, you remove
>also of the mounting face. The original dimension is easily ascertained
>if needed, as the clutch disc never wipes the full diameter of the flywheel
>surface.
>Service manuals? What is the US fixation on these? Never seen one yet that
>gave these details. All they say is replace the flywheel when it requires
>resurfacing. It is a F.O.R.D after all.
>
>Tom
Ag applications are unique. The step dimension is critical,
I can't quote ford but a ihc 3 cyl diesel is 1.444" . A call to the
local ford tractor dealer service manager should get what you
seek. You can replace the disc/plate a couple of times and
get away with it. But if you are out of spec you can't get the
clutch to disengage, and will be splitting it again.... ED
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Posted by Tom on April 26, 2008, 10:04 pm
Please log in for more thread options ED wrote:
>
>
>>Karl Townsend wrote:
>>
>>
>>>My 1970 Ford 2000 3 cylinder is in two pieces right now. I have the flywheel
>>>all mounted for machining. Now, I find out the spec. I need is not in the
>>>repair manual.
>>>
>>>There are two surfaces on this flywheel. The clutch itself mounts to the
>>>higher outer ring. The pressure plate surface is around 1.7 to 1.75 lower. I
>>>need the exact spec. on this height difference. I can see this height
>>>effects the clutch performance by changing when the PTO and forward disks
>>>engage relative to each other.
>>>
>>>Any suggestions on where to get the spec?
>>>
>>>Karl
>>>
>>>
>>
>>No need of the specs, what you remove off the flywheel face, you remove
>>also of the mounting face. The original dimension is easily ascertained
>>if needed, as the clutch disc never wipes the full diameter of the flywheel
>>surface.
>>Service manuals? What is the US fixation on these? Never seen one yet that
>>gave these details. All they say is replace the flywheel when it requires
>>resurfacing. It is a F.O.R.D after all.
>>
>>Tom
>
>
>
> Ag applications are unique. The step dimension is critical,
> I can't quote ford but a ihc 3 cyl diesel is 1.444" . A call to the
> local ford tractor dealer service manager should get what you
> seek. You can replace the disc/plate a couple of times and
> get away with it. But if you are out of spec you can't get the
> clutch to disengage, and will be splitting it again.... ED
>
1.444" No tolerance? On an IHC? Ya kidding right?
BTW, Ed in the real world there are those that can determine the original
dimension from an existing worn flywheel and can correct the wear deficiencies,
without deviating from the oem specs. They're called experienced.
Tom
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Posted by ED on April 26, 2008, 11:15 pm
Please log in for more thread options wrote:
>ED wrote:
>
>>
>>
>>>Karl Townsend wrote:
>>>
>>>
>>>>My 1970 Ford 2000 3 cylinder is in two pieces right now. I have the flywheel
>>>>all mounted for machining. Now, I find out the spec. I need is not in the
>>>>repair manual.
>>>>
>>>>There are two surfaces on this flywheel. The clutch itself mounts to the
>>>>higher outer ring. The pressure plate surface is around 1.7 to 1.75 lower. I
>>>>need the exact spec. on this height difference. I can see this height
>>>>effects the clutch performance by changing when the PTO and forward disks
>>>>engage relative to each other.
>>>>
>>>>Any suggestions on where to get the spec?
>>>>
>>>>Karl
>>>>
>>>>
>>>
>>>No need of the specs, what you remove off the flywheel face, you remove
>>>also of the mounting face. The original dimension is easily ascertained
>>>if needed, as the clutch disc never wipes the full diameter of the flywheel
>>>surface.
>>>Service manuals? What is the US fixation on these? Never seen one yet that
>>>gave these details. All they say is replace the flywheel when it requires
>>>resurfacing. It is a F.O.R.D after all.
>>>
>>>Tom
>>
>>
>>
>> Ag applications are unique. The step dimension is critical,
>> I can't quote ford but a ihc 3 cyl diesel is 1.444" . A call to the
>> local ford tractor dealer service manager should get what you
>> seek. You can replace the disc/plate a couple of times and
>> get away with it. But if you are out of spec you can't get the
>> clutch to disengage, and will be splitting it again.... ED
> >
>1.444" No tolerance? On an IHC? Ya kidding right?
Nope thats the number in my manual, damn germans are
so anal they even grind and polish the throws on the crank..
Why do they even bother....
>
>BTW, Ed in the real world there are those that can determine the original
>dimension from an existing worn flywheel and can correct the wear deficiencies,
>without deviating from the oem specs. They're called experienced.
Sometimes farmer John will do a clutch job on the farm, take the
flywheel down to NAPA and get it ground flat. New rebuilt plate and
disc.. and do the samething again when it starts slipping in a few
years and again----. Yea you can determine the oem specs on a
virgin flywheel but not on one that *experienced*.
ED
>
>Tom
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Posted by Tom on April 26, 2008, 11:43 pm
Please log in for more thread options ED wrote:
> wrote:
>
>
>>ED wrote:
>>
>>
>>>
>>>
>>>
>>>>Karl Townsend wrote:
>>>>
>>>>
>>>>
>>>>>My 1970 Ford 2000 3 cylinder is in two pieces right now. I have the
flywheel
>>>>>all mounted for machining. Now, I find out the spec. I need is not in the
>>>>>repair manual.
>>>>>
>>>>>There are two surfaces on this flywheel. The clutch itself mounts to the
>>>>>higher outer ring. The pressure plate surface is around 1.7 to 1.75 lower.
I
>>>>>need the exact spec. on this height difference. I can see this height
>>>>>effects the clutch performance by changing when the PTO and forward disks
>>>>>engage relative to each other.
>>>>>
>>>>>Any suggestions on where to get the spec?
>>>>>
>>>>>Karl
>>>>>
>>>>>
>>>>
>>>>No need of the specs, what you remove off the flywheel face, you remove
>>>>also of the mounting face. The original dimension is easily ascertained
>>>>if needed, as the clutch disc never wipes the full diameter of the flywheel
>>>>surface.
>>>>Service manuals? What is the US fixation on these? Never seen one yet that
>>>>gave these details. All they say is replace the flywheel when it requires
>>>>resurfacing. It is a F.O.R.D after all.
>>>>
>>>>Tom
>>>
>>>
>>>
>>> Ag applications are unique. The step dimension is critical,
>>>I can't quote ford but a ihc 3 cyl diesel is 1.444" . A call to the
>>>local ford tractor dealer service manager should get what you
>>>seek. You can replace the disc/plate a couple of times and
>>>get away with it. But if you are out of spec you can't get the
>>>clutch to disengage, and will be splitting it again.... ED
>>>
>>
>>1.444" No tolerance? On an IHC? Ya kidding right?
>
>
>
> Nope thats the number in my manual, damn germans are
> so anal they even grind and polish the throws on the crank..
> Why do they even bother....
>
Something else you don't know, ED?
>
>>BTW, Ed in the real world there are those that can determine the original
>>dimension from an existing worn flywheel and can correct the wear deficiencies,
>>without deviating from the oem specs. They're called experienced.
>
>
> Sometimes farmer John will do a clutch job on the farm, take the
> flywheel down to NAPA and get it ground flat. New rebuilt plate and
> disc.. and do the samething again when it starts slipping in a few
> years and again----. Yea you can determine the oem specs on a
> virgin flywheel but not on one that *experienced*.
> ED
>
>>Tom
>
You may not be able to, ED, but don't presume what others can
and can't do.
Tom
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> all mounted for machining. Now, I find out the spec. I need is not in the
> repair manual.
>
> There are two surfaces on this flywheel. The clutch itself mounts to the
> higher outer ring. The pressure plate surface is around 1.7 to 1.75 lower. I
> need the exact spec. on this height difference. I can see this height
> effects the clutch performance by changing when the PTO and forward disks
> engage relative to each other.
>
> Any suggestions on where to get the spec?
>
> Karl
>
>