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Throttle linkage to yf carb - RHD 1964 dj3a; Connecting details from throttle linkage
Topic Started: May 29 2016, 07:24 AM (840 Views)
dcwheels
Member
[ *   *   *   *   *  ]
Hello dear friends,
After a long time I am back with a query.
The question is specific to a rhd dj3a on the connecting hardware from the throttle linkage arm that connects the accelerator pedal.
Could I get some help with pictures on how would the linkage be connected to the you 2392 carb.
I am not good at posting pictures from my DJ on the website ,but could forward it to anyone who could help me do that.
Thanks again .
Special request to ba25, and bornintheussr to help me on this info.
Regards.
Dinesh
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PapaC
Papac
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Glad to post the pics. Dinesh


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Curious. Do you have the parts that hook to that rod that go through the firewall?
Charles Tate....North Mississippi

1956 WILLYS DJ3A Convertible
Doing ground up nuts and bolt restoration by almost entirely reconditioning original used or a few NOS DJ3A parts.

1962 WILLYS DJ3A Convertible. (For research and parts only)
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dcwheels
Member
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Thanks a lot Charles for the help.
Those parts are what I'm looking for the rhd setup.
I will send you a picture of that rod coming out of the firewall,and I would need to get info on details and dimensions of the connecting parts from there to the yf 2392 carb.
Regards.
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PapaC
Papac
[ *   *   *   *   *  ]
Thanks Dinesh. I never have seen detailed pictures before of the way that rod runs across. Very very interesting!!

If anyone else can send me a picture of the complete linkage from that rod coming out of the firewall to the carb I would be interested in seeing it too and will post the picture here.

charles_tate @ yahoo.com. (leave out the spaces)


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Dinesh, pretty soon I'll be bolting down my own tub, fenders, grill etc and hooking up my own linkages and maybe if nothing else you can use those pictures to see if there's any comparisons in the way that the two hook up.

Charles Tate....North Mississippi

1956 WILLYS DJ3A Convertible
Doing ground up nuts and bolt restoration by almost entirely reconditioning original used or a few NOS DJ3A parts.

1962 WILLYS DJ3A Convertible. (For research and parts only)
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dcwheels
Member
[ *   *   *   *   *  ]
Thanks again Charles.
The last picture shows the linkage rod popping out of the firewall to reach the left side of the engine compartment,to reach the carb .
Now it's time to find the end connecting parts that reach the carb.
Regards.
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SteveK
Member
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Hey guys, I'm no expert and only because I have just spent the last two days adjusting my Dj LHD throttle linkage, and having looked at the pics supplied, I think the following is a consideration. It appears that full throttle at the RHD pedal raises that bar coming thru the firewall. http://z4.invisionfree.com/CJ3B_Bulletin_Board/ar/t2870.htm This is different from the L head LHD in that our pedal pushes the throttle arm from the pedal down and forward. There, a bellcrank pivoting on a valve cover pin translates the action upward and with a link bent to clear the intake manifold. The carb link needs vertical movement off idle. That said, and not being able to tell exactly what I'm looking at in the last picture, I'm going to ask...Is it possible the rod from thru the firewall hooks directly to the carb linkage? Is there a hole at the end of the rod or a pin possibly facing the carb? Is the height of the firewall exit relative to the carb linkage, or below it indicating a short link may be necessary? Once any of that is determined, it may help in the search for exactly what is needed. I don't think the LHD L head throttle is even close to being the same. Even pics of a Cj3B RHD F head has different gas pedal transfer linkage inside the engine compartment, not the coach area, so it is not the same either. Maybe bornintheussr's Yellow RHD Dj is probably the best source for accurate pics of the linkage and how it connects. In a pic I found of it, even tho it is automatic, it seems to have the same rod going across the inside floor. Good Luck!
SteveK
62 Dispatcher
South Florida
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dcwheels
Member
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Hello Steve,
The end of the rod that is seen in the engine compartment entering through the firewall has a hole and a locking nut.
I am not sure but the possible explanation you have put up seems right.
I would have to think on the linkage from that point to the throttle lever on the carb.
The yellow DJ3a would be an ideal source of information in this regard.
Could some one mail or pm bornintheussr/Dean who have the DJ3a to help me in this regard with possible pictures.
The rhd DJ is getting more interesting as the restoration progresses.
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dcwheels
Member
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So atlast,work on the dj engine and mechanicals has been completed and now its time to get everything back on the dj chassis and tub.
Hope to see dear friends on the forum post some pictures of the attachment from the yf 2392 carb to the accelearator linkage,to help me fabricate the same.
The location of the throttle return spring and the linkage is what I would be looking at.
Mean time trying to take clues from various posts on the forum like the one from PapaC.
regards and wish me luck on the later part of the restoration.
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dcwheels
Member
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So atlast,work on the dj engine and mechanicals has been completed and now its time to get everything back on the dj chassis and tub.
Hope to see dear friends on the forum post some pictures of the attachment from the yf 2392 carb to the accelearator linkage,to help me fabricate the same.
The location of the throttle return spring and the linkage is what I would be looking at.
Mean time trying to take clues from various posts on the forum like the one from PapaC.
regards and wish me luck on the later part of the restoration.
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PapaC
Papac
[ *   *   *   *   *  ]
Check this thread but I'll put the pictures here too.
http://www.thecj2apage.com/forums/topic378...193.html#356193



I haven't hooked up my accelerator linkage yet but here's the pictures I posted there of a quick sort of mock up of where the throttle return spring fastens at the bottom on my junk 62

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Charles Tate....North Mississippi

1956 WILLYS DJ3A Convertible
Doing ground up nuts and bolt restoration by almost entirely reconditioning original used or a few NOS DJ3A parts.

1962 WILLYS DJ3A Convertible. (For research and parts only)
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dcwheels
Member
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Thanks Charles for the pictures. These are for the lhd dj isn't it?

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SteveK
Member
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Dinesh, if Charles will post it, can you send a side shot view of your linkage coming out of the firewall in 'idle' position, and then another in 'full throttle' to see how much range and where the linkage would have to fit to get to the carb link? With that, maybe someone can recognize or come up with a workable solution until you find the exact part needed. Right now, I have no idea what I'm see in the shot of your lever thru the firewall. What is that hose to with a bolt thru it? The same shot but further away to show surrounding items may be helpful too. Otherwise, you're probably just at the mercy of someone that has access to the same RHD model for your situation. I'm guessing your lever is about 6" or so higher on the firewall than our LHD models in the pic shown, and probably above the intake manifold. Our LHD pedal links up to the pivot shown where the spring is attached, and moves the pivot forward, which moves the link shown up and above the manifold to move the throttle link on carb. Sorry, that's the best guesses I can come up with from here. Good Luck!
SteveK
62 Dispatcher
South Florida
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dcwheels
Member
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Thanks Steve for the guess job and just hope that would help.
The engine is off the dj at present for a overhaul that is completed.
Shortly the engine would be mounted and only then I could be able to get some correct measurements.
Mean time Dean has shared some pictures of the linkage from his rhd dj3a which I shall take permission before I post them here. That does show a simple linkage rod though and had been taken off.
Also tried to contact Alex who had the automatic yellow dj3a, he would be the only person who could help us come to a conclusion.
Glenn and Colin have also studied that dj well and may be of some help.
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PapaC
Papac
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I just got this email from Dinesh, along with permission from Dean to post these photos.


Quote:
 
Hello Charles,  I have asked Dean if I could share the pictures of his rhd converted to lhd dj carb linkages. He has given a green on that. Here I share those pictures with you to be posted on the forum, so that they are not lost in a personal collection and stored safely on the forum for people to access. He was kind enough to spare those parts to be installed on my dj as his is no longer a rhd. Im still not sure how that linkage would work. May be we get more insights on the forum.



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Thank you Dinesh for your persistence, congratulations on actually finding and obtaining these very rare parts that you need, and both you and Dean for giving permission to post this information on the forum and adding to our knowledge base here!

Charles

Charles Tate....North Mississippi

1956 WILLYS DJ3A Convertible
Doing ground up nuts and bolt restoration by almost entirely reconditioning original used or a few NOS DJ3A parts.

1962 WILLYS DJ3A Convertible. (For research and parts only)
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SteveK
Member
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OK, now we're talking. What a lucky find and generous contribution to your project, Dinesh. Charles, thanks for posting the pics. That little short link is what I expected, but did not know what it would look like. Interesting how they were able to make it adjustable in length in such a short distance.

As the pieces in the second pic lay, I think the small link has to be reversed from the position shown (unless there is a hole there I can't see), with the long shaft section with the hole, to go thru the pedal rod end shown, and the hole is for the spring, and the other end tightens to the carb link. I think the long rod shown in the first pic is a 'spring extension link' for the longer distance down to the drilled plug past the LHD pivot location to the drilled block plug as shown in Charles's example of a LHD setup with just a spring. The 'spring extension link' is like used on the Parking brake lever spring, easier than a lonnnnng spring to cover the distance. Congratulations on finding your very rare parts needed, and thanks for the mind-exercise opportunity too. This site is amazing! Thanks Derek.

Edit: I zoomed in on the linkage, and judging by the wear width, I'm now thinking the link fits as pictured, nut end on rod, with the spring on the carburetor location. Clearances will dictate how the rod/spring combo fit around any obstacles. It will be interesting to see it in it's final configuration.
SteveK
62 Dispatcher
South Florida
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