rebuilding ATDs

Big Sid

Well Known and Active Forum User
Non-VOC Member
Glad to oblige . They are carried by Coventry Spares in the US . One can often shorten a spring that fits loosely by cutting off the end loop and bending over the next one or the second one if careful .
With the cover off and the center nut still tight so it's taper is well set you proceed as follows . Carefully back off on the center nut just enough to slip out the horseshoe and tin disc so revealing the springs . Go easy not to back off the inner removal mechanism .
Change the springs , now accessible , be sure they tug on the peg , not hang loose , trim off the end loop and reform if needed .
Tuck in a piece of cloth below in the opening to prevent dropping in the spring ! Remove the cloth . Replace the tin disc and the horseshoe washer . If this is bent up , often is , flatten it first . Re tighten the center bolt holding all in position carefully .
Replace the cover . All done . Good luck . Sid .


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