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1953 Jubilee

hydraudlic and electrical problems

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Michael

11-03-2000 06:19:26

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I purchased a "project" Jubilee. I already have an 8N restored (it runs and looks great) On the Jubilee, it did not start when I bought it. I replaced the points, condensor and coil. It ran fine for a while, but now I have no spark out of the coil to the distributer. Obviously, there is no spark from the plugs. The battery is fine. Any suggestions where to check. Thanks for any suggestions.
With the hydraulics, there is no response from the pump. Does it have to be primed? If so, how do you do it. Thanks.

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ZANE

11-04-2000 18:45:49

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Re: 1953 Jubilee - hydraudlic and electrical problems in reply to Michael, 11-03-2000 06:19:26

If you have a replacement piston pump it must be bled by removing the pipe plug on the forward most head of the pump and running the engine at slow idle till no air comes out with the oil. Put something under the pump to catch the oil that escapeds. If you can keep it clean you can put it back in the reservoir. It usually only take about a cup or so to bleed the pump.

If it still will not raise after bleeding the pump you may have a stuck unloading valve in the lift.

take out the unloading valve and clean it up and replace the O ring with the Ford O ring made specifically for the unloading valve. The old part # was NCA 836B. Don't use a substitute or you will be sorry.
It is a good idea to replace the back pressure valve or at least acertain that it is working properly.@ has some resistance to air pressure etc.Also be sure the big O ring that seals the back pressure valve to the side of the lift is in good order.
The back pressure valve must be disengaged from the side of the lift housting inside by removeing the large arcon nut on the right side of the lift housing and backing the large hollow screw out counter clock wise till a light resistance is felt. Stop unscrewing then as you will damage the valve if force is used past when you feel resistance.
The unloading valve is coverec by a plate at the front of the control valve housing just above the control valve. Their is a plug over the valve that must be pulled by inserting a bolt with fine threads into the plug and prying it out with two bars. The valve can then be pushed out with a punch of the approiate size. Don't strike it with a hammer. The O ring will be on the unloading valve that needs to be replaced.
If you will look around on the other reference pages of the N board etc you can probably find some good views of the lift to give you some idea of what you will be looking at.
When taking the lift control housing off the tractor remove only the bolts that are around the ;outside edge of the housing and do not remove any of the bolt that are inside this circle of bolts. If you encounter a bolt that has fine threads on it put it back where you took it out. The fine bolts hold the cylinder to the cover housing.
Good luck Zane in Al.

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Jerry D

11-03-2000 07:25:24

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Re: 1953 Jubilee - hydraudlic and electrical problems in reply to Michael, 11-03-2000 06:19:26

Electrical Issue:
Do you have voltage at the coil? If you don't have voltage then back up and find out where it stops. That would be the first step. Also make sure that your points are working properly because your coil requires that those points make and break contact to create the current flow that generates the spark pulse. So if the points are glazed over then they may be touching and properly gap'd but not making electrical contact. If you clean the points, you should notice a small spark if the ignition switch is on and you manually open the points with a screw driver a few times and everything is working up to this point. Also a shorted condenser can cause this kind of problem. You can take the condenser loose and determine if it is shorting out the coil. Again bounce the points manually with the switch on to see if you see a spark. If all of this does not fix it then you probably have a bad coil. If Drew is around he can go into much better detail and provide suggestions that I have missed.

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Michael

11-03-2000 07:41:03

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Re: Re: 1953 Jubilee - hydraudlic and electrical problems in reply to Jerry D, 11-03-2000 07:25:24

Jerry, thanks for the info. I tested to see if I had current to the coil, and there is current there, but very weak. I tested it crudely by touching a screwdriver from the coil lead to the block and got a small spark. The points, condensor and coil are all new and the points are gapped properly. Would a bad ampmeter or poor connections at the ampmeter cause this problem since the wiring diagram shows a tracer through the ampmeter? Thanks for your help.

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Jerry D

11-03-2000 08:13:17

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Re: Re: Re: 1953 Jubilee - hydraudlic and electrical problems in reply to Michael, 11-03-2000 07:41:03

Did you check to see if you got a spark at the points when you manually opened them. New or not they could be glazed if you have run the tractor with them installed and not making electrical contact. The Amp Meter is probably not the problem if you have voltage to the coil. I would double check inside that distributor!!!!!

If the points are arcing and the condensor is not bad then that would leave the coil.

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Michael

11-03-2000 08:26:30

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Re: Re: Re: Re: 1953 Jubilee - hydraudlic and electrical problems in reply to Jerry D, 11-03-2000 08:13:17

Thanks, I'll double check the points. Excellent help!

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Jerry D

11-03-2000 09:37:05

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Re: Re: Re: Re: Re: 1953 Jubilee - hydraudlic and electrical problems in reply to Michael, 11-03-2000 08:26:30

Please let us know when you fixed it how and what happened so we all can learn from it!!!!! !!!!

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mlibor@morganlewis.com

11-06-2000 05:05:37

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Re: Re: Re: Re: Re: Re: 1953 Jubilee - hydraudlic and electrical problems in reply to Jerry D, 11-03-2000 09:37:05

Jerry, even though the points were new, I wasn't getting a spark across them. I took out the points and cleaned them off. Lo and behold, spark! I must have had some oil on the feeler gauge when I gapped the points. The lesson to be learned: clean off your gauge before you gap your points. Thanks from your great advice. Now, any suggestions on the lack of hydraulic power? There is plenty of fluid, but it seems that the pump is not pumping fluid to the piston. Does it have to be primed. The tractor has been sitting for quite some time, and the former owner had taken off one of the hydraulic lines from the pump to the pump to make a repair in the line. Thanks.

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Martin

02-20-2002 16:24:05

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Re: Re: Re: Re: Re: Re: Re: 1953 Jubilee - hydraudlic and electrical problems in reply to mlibor@morganlewis.com, 11-06-2000 05:05:37

When the tractor sits for a long period of time it loses its pressure and so it dosn't work. Had a Ford dealer fix it and it sat for a while and it has the same problem.

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Jerry D

11-06-2000 10:55:06

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Re: Re: Re: Re: Re: Re: Re: 1953 Jubilee - hydraudlic and electrical problems in reply to mlibor@morganlewis.com, 11-06-2000 05:05:37

The last thing you want from me is Hydraulic advise. Electrical is my game. All I know about hydraulics is that the arms go up when I pull the lever up. If I was you I would go and start a new post with the questions about the hydraulic problems. Glad to know that it was a simple problem with the points. If they glaze again in the near future you may want to change the condensor just in case. Drew had stated in an earlier post about that causing problems with the points.

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