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Joined: Jul 2020
Posts: 349 Likes: 20
Backyard Mechanic
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OP
Backyard Mechanic
Joined: Jul 2020
Posts: 349 Likes: 20 |
I am getting ready to remount my Dubonnet units onto the "34 Master... and I will need to re mount the Radius Arms back on to the units... I am not knowing what to look for in the condition of the Radius Arms..... What should I be Looking for....??? to see if they need repair or not...?? I ran across these NOS 1934-38 master Radius Arm Rod Adjusters on eBay for $35 ...... How would I know if I needed these..??? https://www.ebay.com/itm/352287683965?hash=item5205fb757
Last edited by WildernessTruck; 09/12/22 03:38 PM.
1934 Chevrolet Master sedan
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Joined: Aug 2004
Posts: 3,469 Likes: 48
ChatMaster - 3,000
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ChatMaster - 3,000
Joined: Aug 2004
Posts: 3,469 Likes: 48 |
Sunny,
If you have any doubts about your radius arms, call or PM me. I think I have new ones and bushings.
Mike
ml.russell1936@gmail.com
Many miles of happy motoring
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Joined: Jan 2002
Posts: 30,701 Likes: 141
ChatMaster - 25,000
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ChatMaster - 25,000
Joined: Jan 2002
Posts: 30,701 Likes: 141 |
There are no bushings involved. The arms thread onto a matching threaded bracket that is attached to the backing plate on one end and a bracket that is bolted to the knee on the other end. The threads are the pivoting surfaces as the arms ges up and down over bumps. The threads can wear and get excessivly loose. Then the arms get replaced, They are slichtly loose when new an do require lubricattion every 1000 miles as the rest of the moving parts with grease fitting do.
If your present arms are original they will have a hole for the grease fitting only in one location and if replacemets there will be two grease fitting hoes but only one grease fitting is installed on each end and a plug in the extra holes as the replacementd can be used on either side where as the originals were left and right side ony and no plugs were required.
I do not know "adjusters" what you saw on Ebay bt it is not a required original part.
Last edited by Chev Nut; 09/12/22 06:01 PM.
Gene Schneider
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Joined: Jul 2020
Posts: 349 Likes: 20
Backyard Mechanic
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OP
Backyard Mechanic
Joined: Jul 2020
Posts: 349 Likes: 20 |
Thanks... mine have good looking threads... and the arms pivot on these treads.. but they do not feel loose..... there seems to be only pivot movement and no sideways movement... so they must be fine... I guess from what Gene said... I am only looking for excessive movement or looseness... I looked at those "adjusters" on eBay ... and wondered what those springs and caps were for... ??? I don't see any such thing on my Radius arms... they look more like tie rod ends..... when I hoover the NOS box on the eBay photo it shows the springs INSIDE the threads on the radius arms ( on both ends)... like there is supposed to be tension on the threaded parts on the ends.... check it out.....
Last edited by WildernessTruck; 09/12/22 10:02 PM.
1934 Chevrolet Master sedan
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Joined: Jan 2003
Posts: 977 Likes: 7
ChatMaster - 750
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ChatMaster - 750
Joined: Jan 2003
Posts: 977 Likes: 7 |
They are aftermarket shortcut-items that were intended to take up lateral looseness between the radius rod and the fittings. Don't forget to remove the spindle plug and fill the reservoir with grease. This is on page 81 of your repair manual.
Bill Masters
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Joined: Jan 2002
Posts: 30,701 Likes: 141
ChatMaster - 25,000
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ChatMaster - 25,000
Joined: Jan 2002
Posts: 30,701 Likes: 141 |
Remember to lube the big brass bushings in the center of the backing plates before assembly.
If those bushing are loose the backing plates will rattle when going over bumps and the rattle will go away when brakes are applied just a little....
Last edited by Chev Nut; 09/13/22 09:47 AM.
Gene Schneider
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Joined: Jul 2020
Posts: 349 Likes: 20
Backyard Mechanic
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OP
Backyard Mechanic
Joined: Jul 2020
Posts: 349 Likes: 20 |
Thanks... So Much to Learn... and your guidance is needed and appreciated....
1934 Chevrolet Master sedan
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