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Posted by Karl Townsend on April 26, 2008, 11:30 am
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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
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Posted by Tim Wescott on April 26, 2008, 11:48 am
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On Sat, 26 Apr 2008 10:30:19 -0500, 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
Is it a factory service manual? I wouldn't be surprised if a 3rd-party
manual left that out (with directions to take your flywheel to a clutch
shop for service), I _would_ be mildly surprised to see it left out of a
factory service manual.
If Ford still supports these I'd ask at the nearest Ford tractor dealer;
if that doesn't pan out I'd see if I could pry the information from a
clutch shop.
--
Tim Wescott
Control systems and communications consulting
http://www.wescottdesign.com
Need to learn how to apply control theory in your embedded system?
"Applied Control Theory for Embedded Systems" by Tim Wescott
Elsevier/Newnes, http://www.wescottdesign.com/actfes/actfes.html
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Posted by Karl Townsend on April 26, 2008, 1:26 pm
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> Is it a factory service manual? I wouldn't be surprised if a 3rd-party
> manual left that out (with directions to take your flywheel to a clutch
> shop for service), I _would_ be mildly surprised to see it left out of a
> factory service manual.
Yep, factory manual.
> If Ford still supports these I'd ask at the nearest Ford tractor dealer;
> if that doesn't pan out I'd see if I could pry the information from a
> clutch shop.
At least the dealer near me would just look in the same manual I have. I've
taken other stuff to the engine shop near me. They ask me to get the specs.
I think Ford must play hard to get with these numbers.
I just cleaned up the two surfaces. They sure look nice at 1.700 between the
two levels. "The Kid" may have to run back to his lady for the weekend. So,
it can sit in the machine for a couple days.
Karl
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Posted by JR North on April 26, 2008, 1:46 pm
Please log in for more thread options You don't need a spec-specifically. Measure the difference between the
two surfaces, and maintain that during machining. You can WAG a wear
dimension on the clutch face of a few thou.
JR
Dweller in te cellar
On Sat, 26 Apr 2008 10:30:19 -0500, "Karl Townsend"
>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
>
--------------------------------------------------------------
Home Page: http://www.seanet.com/~jasonrnorth
If you're not the lead dog, the view never changes
Doubt yourself, and the real world will eat you alive
The world doesn't revolve around you, it revolves around me
No skeletons in the closet; just decomposing corpses
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Posted by RoyJ on April 26, 2008, 3:35 pm
Please log in for more thread options What I was thinking. I can't believe that a wear surface involving
clutch material has a "no adjustment" and a "it's all in the dimension"
kind of design.
JR North wrote:
> You don't need a spec-specifically. Measure the difference between the
> two surfaces, and maintain that during machining. You can WAG a wear
> dimension on the clutch face of a few thou.
> JR
> Dweller in te cellar
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> 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