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MG TD TF 1500 - replacing innser choke cable

My choke & starter inner cable are too frayed at the ends to use. I've read in archives you can heat up the choke & starter handles holding with a vise grip and remove the old inner cables & replace with bicycle cable. I succeeded doing this with the starter cable but the choke seems perhaps crimped at the end where it meets the pull handle. I heated it red hot and only succeeded in breaking off the cable from the handle so now it's impossible to remove the rest of the cable. Aside from sending Moss money, any suggestions on why it wouldn't come out and how to fix it?

Ed
efh Haskell

Ed,

The original choke cable is nice because of its spring loaded turn to release feature with the serrated inner rod.

It may not have come out because it was crimped in there more zealously then needed. You could try clamping the piece in a vise and running the drill press down with successively larger bits until you create a new hole minus the cable strands. Then install the new, crimp again and silver solder in place.

warmly,
dave
Dave Braun

Dave, I was able to drill it out about 1/4"+. Drill just would not go any further and I feared breaking it off in there. Solder seems to be holding but do you think it will or am I just kidding myself?

And I know you made your own "cresent". Where exactly does that thing live though? Can't tell from your web. I don't see mine anywhere (so far) but the old cable did have the locking capability.

Ed
efh Haskell

Ed,

The serations are what catch the cresent. It lurks under a curved piece of spring steel that wraps around the housing fitting that accepts the knob/cable/serated rod assembly. Under the spring steel is a slot which holds the cresent.

When you pull the cable the ramps on the serated (saw tooth) rod puch the cresent out against spring force. when the rod locks on an edge, it doesn't return unless you rotate the cable knob and the rod which pushes the cresent against the spring force and you can retract the cable.

You'll know if the cable doesn't hold in the rod, but you won't hurt anything.

warmly,
dave
Dave Braun

This thread was discussed between 21/06/2011 and 22/06/2011

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