Are there any methods (other than filing, etc.) or parts available to repair the worn spark/throttle rod quadrants?
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Steering Quadrant replace /repair?
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Two other things come to mind that may result in poor lever to indent contact. The lower control lever springs need to be in good shape. The pressure on those springs pull the levers down against the detents. If the springs are weak the levers can float upwards / away or not have good pressure. Make sure the lips that the detents are etched on are not bent backwards. You can go from behind with a flat stock and tap those lips a tad to add more pressure for the contact. It has been my experience with new springs and a slight tap - tap that the levers wont move even with worn detents.3~ Tudor's & 1~ Coupe
Henry Ford said,
"It's all nuts and bolts"
"Start by doing what's necessary; then do what's possible; and suddenly you are doing the impossible."
Mitch's Auto Service ctr
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I agree with Mitch. My quadrant was badly worn and the levers would not stay in position. I lived with it for awhile until my steering shaft broke. While repairing that, I replaced the springs and it made all the difference even without doing any work on the worn quadrant.
Glen
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Originally posted by glentre View PostI agree with Mitch. My quadrant was badly worn and the levers would not stay in position. I lived with it for awhile until my steering shaft broke. While repairing that, I replaced the springs and it made all the difference even without doing any work on the worn quadrant.
Glen
My 28 notches are also worn smooth, but the levers stay in place. In fact it took some Kroil to even get them freed up when I first bought the car in 1999.
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Originally posted by Tom Wesenberg View Post
Which part broke? I've seen welded steering jackets, but never heard of a steering shaft breaking.
My 28 notches are also worn smooth, but the levers stay in place. In fact it took some Kroil to even get them freed up when I first bought the car in 1999.
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This gallery has 4 photos.
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I remember that issue, and you had a car show to attend at the time.
Tom has a home made spring tool which makes it easier to do in the car. Out of the car is always nice though.3~ Tudor's & 1~ Coupe
Henry Ford said,
"It's all nuts and bolts"
"Start by doing what's necessary; then do what's possible; and suddenly you are doing the impossible."
Mitch's Auto Service ctr
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I guess no one makes a replacement serrated piece to insert on the worn area. So,in the interim, I just cut a thin Revlon metal nail file to shape and stuck it between the rod, etc. with some blue bolt thread thread locker. Another option perhaps would be to make a serrated metal piece with a cut groove and slip it over the quadrants, based on an actual non-worn original pattern.
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by plyforAm thinking about replacements for the worn upper steering quadrant areas. Any references, photos or dwgs. available showing original profiles of the detents would be appreciated.
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Channel: Model A Forum
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Channel: Model A Forum
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Channel: Model A Forum
10-15-2019, 03:10 PM -
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Has anyone successfully restored the ORIGINAL Spark and Accelerator Control Rods: A-9742, A-9747, and A-9757?
We all have them and seen them with broken springs so they are not useable.
What can we do to restore these rods with broken springs so as to have a workable rod that is back to original shape and condition?
Thanks.
Pluck-
Channel: Model A Forum
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