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Mr. T. Minnesota
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Joined: 17 Jan 2012
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 Posted: Sat Jan 12, 2013 7:37 am Post subject: FEL Sudden drop under load ( update) |
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Forum Members,
Thanks for the info of possible solutions on the FEL sudden drop N syndrome. Removed the shifter lever cover and ran the 8N this morning and found fluid gushing all over. First thought it was the piston, but found a large 1/2 by 1/2 inch section of gasket suspended in the mechanism of the top cover. I am going to replace it this morning.
Question is, is there something better than picture framing mat board to use as a gasket? The mat board is quite tough. Any thoughts are welcome.
Mr. T. Minnesota
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HCooke
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Joined: 29 Sep 2006
Posts: 3278
Location: Missouri
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| Posted: Sat Jan 12, 2013 7:44 am Post subject: Re: FEL Sudden drop under load ( update) |
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Because of the high pressure involved, I would use a ready made gasket (avail here at YT and other places). No gasket goop on that gasket either.
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old
Tractor Guru
Joined: 12 Mar 2000
Posts: 50425
Location: Lake of the Ozarks area of MO
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| Posted: Sat Jan 12, 2013 7:51 am Post subject: Re: FEL Sudden drop under load ( update) |
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As H-Cooke said get the correct gasket or your going ot be doing it again very soon and it is not fun to do that job. Most any good NH/Ford dealer should have that gasket on hand. Even an O'Reilly's should be able to order you one or this site. I said a dealer first because you can get that today maybe
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Mr. T. Minnesota
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| Posted: Sat Jan 12, 2013 10:34 am Post subject: Re: FEL Sudden drop under load ( update) |
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HC,
Checked the parts department and found the gasket set. What am I going to do with all that mat board stored in the shop? Thought about inserting a modified copper grommet into the oil port opening of the gasket. Just a thought.
Have one more theory. My new theory is to wait for a lot of forum input before theorizing.
Mr. T. Minnesota
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JMOR
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| Posted: Sat Jan 12, 2013 10:43 am Post subject: Re: FEL Sudden drop under load ( update) |
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| Mr. T. Minnesota wrote: | (quoted from post at 14:34:49 01/12/13) HC,
Checked the parts department and found the gasket set. What am I going to do with all that mat board stored in the shop? Thought about inserting a modified copper grommet into the oil port opening of the gasket. Just a thought.
Have one more theory. My new theory is to wait for a lot of forum input before theorizing.
Mr. T. Minnesota |
Unless the metal surfaces are damaged, the paper gasket has been the working solution to sealing those parts for over 70 years...no new "invention" needed now.
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TheOldHokie
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Joined: 08 Apr 2005
Posts: 5872
Location: Myersville, MD
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| Posted: Sat Jan 12, 2013 10:51 am Post subject: Re: FEL Sudden drop under load ( update) |
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| Mr. T. Minnesota wrote: | (quoted from post at 14:34:49 01/12/13) Thought about inserting a modified copper grommet into the oil port opening of the gasket. Just a thought.
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I'm thinking that grommet is a good recipe for a cracked top cover. It takes very little unevenness on the clamping surfaces to crack a flat casting like that.
TOH
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JMOR
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| Posted: Sat Jan 12, 2013 11:14 am Post subject: Re: FEL Sudden drop under load ( update) |
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| TheOldHokie wrote: | (quoted from post at 14:51:08 01/12/13) | Mr. T. Minnesota wrote: | (quoted from post at 14:34:49 01/12/13) Thought about inserting a modified copper grommet into the oil port opening of the gasket. Just a thought.
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I'm thinking that grommet is a good recipe for a cracked top cover. It takes very little unevenness on the clamping surfaces to crack a flat casting like that.
TOH |
That little "ckick" when you torque down on a cast iron part is a real downer! 
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old
Tractor Guru
Joined: 12 Mar 2000
Posts: 50425
Location: Lake of the Ozarks area of MO
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| Posted: Sat Jan 12, 2013 11:39 am Post subject: Re: FEL Sudden drop under load ( update) |
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Correct gasket and NO type of gasket crude. Trying to fix what has worked for decades does not work with this area of this type/modal of tractor
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HCooke
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Joined: 29 Sep 2006
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Location: Missouri
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| Posted: Sat Jan 12, 2013 11:43 am Post subject: Re: FEL Sudden drop under load ( update) |
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I've done a half doz of these. Just the paper gasket and no sealer. Use some 7/16" bolts with the heads cut off to hold the gasket in place while lowering the top cover into place. I also use a small wedge between the main draft spring and the rear end to hold the cover up while I re-position the control arm.
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souNdguy
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Joined: 20 Aug 2002
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| Posted: Sat Jan 12, 2013 1:23 pm Post subject: Re: FEL Sudden drop under load ( update) |
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dry paper oe style gasket.. nothing else.
the only other possible mod I would do is have the cover cut for an oring that then sandwiched down onto the deck.. I have seen a fergy with a deck cut oring boss.. etc.
still.. I've done plenty N with paper gasket and have never had to go back in as long as the deck and cover were clean and smooth there.
remember if you put a metal crush gasket around the port.. the cover will not set true, making the outside of the cover be at a different angle, and thus encourage blow out.
the engineers covered this by 1939.. no need to reinvent it.
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TheOldHokie
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Joined: 08 Apr 2005
Posts: 5872
Location: Myersville, MD
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| Posted: Sat Jan 12, 2013 2:10 pm Post subject: Re: FEL Sudden drop under load ( update) |
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| JMOR wrote: | (quoted from post at 15:14:02 01/12/13) | TheOldHokie wrote: | (quoted from post at 14:51:08 01/12/13) | Mr. T. Minnesota wrote: | (quoted from post at 14:34:49 01/12/13) Thought about inserting a modified copper grommet into the oil port opening of the gasket. Just a thought.
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I'm thinking that grommet is a good recipe for a cracked top cover. It takes very little unevenness on the clamping surfaces to crack a flat casting like that.
TOH |
That little "ckick" when you torque down on a cast iron part is a real downer! |
Sounds like you have had some personal experience along thes lines. Hope it was something cheap like a thermostat housing 
TOJ
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ASEguy
Tractor Expert
Joined: 19 Mar 2010
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| Posted: Sat Jan 12, 2013 2:42 pm Post subject: Re: FEL Sudden drop under load ( update) |
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I've done that. I also couldn't agree more with the possibility of a cracked cover.
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ASEguy
Tractor Expert
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| Posted: Sat Jan 12, 2013 2:42 pm Post subject: Re: FEL Sudden drop under load ( update) |
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I've done that. I also couldn't agree more with the possibility of a cracked cover.
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ASEguy
Tractor Expert
Joined: 19 Mar 2010
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| Posted: Sat Jan 12, 2013 2:42 pm Post subject: Re: FEL Sudden drop under load ( update) |
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I've done that. I also couldn't agree more with the possibility of a cracked cover.
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