Regardless of what method used to fasten the pushrod ends, ( except cold
crimping ) it will be necessary to remove one end and wash out all oil
inside the hollow tube. Any type of welding or silver soldering will be very
difficult if any oil is in the tube.
I remove the loose end, wash out the tube, insert loose end back into the
tube and compress the pushrod assembly slightly so the end shoulders are in
contact with the tube end . Then a spot of TIG weld on two sides of the
connection between pushrod and end will secure the connections.
Silver soldering should also work after cleaning the oil out.
But washing the oil out first is an important step.
Bob Grunau
Canada
Oppps!
For "regular silver" read "regular solder"
Clive
> Silver solder would be the best solution probably -
> a lot stronger than regular silver. Although a hotter
> process, it's not hot enough to alter the push rod's
> metaluric structure which Brazing or Welding would
> do.
>
> Clive
> Oxford UK
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