Hi all.
Have a worn drive shaft on a 1949 B33 where the inside roller bearing sits (separate ball bearing is still pretty good). Must only be a few thou, but enough for the inside bearing race to rotate freely.
Planning in using some https://www.henkel-adhesives.com/sg/en/product/retaining-compounds/loctite_638.html (https://www.henkel-adhesives.com/sg/en/product/retaining-compounds/loctite_638.html) or 648 and wondered if anyone has had success with these i.e. do they hold up to oil and temperature.
Rated to 180°C but got no idea what these singles get up to inside the crank case.
Cant imagine would be good news if compound came loose/softened and started roaming around the engine oil paths.
Only other alternative I am aware of is spray welding or similar to build the shaft back up, but seems a bit excessive for what a quick few drops of liquid might solve.
Appreciate any advice.
I used 638 on the crankshaft pinion of my A10. The pinion had rocked on a worn woodruff key and couls be slightly rotated by hand and there was a slight audible click when running. 12 months after fixing with 638 I needed to strip the crank from the cases and it needed a significant amount of heat to soften the 638 before the pinion could be pulled off. That was in 2018.
Pinion then fixed with 638 again. This week have again stripped the timing side and the pinion is still fixed firmly in place. I would have no hesitation in using 638 again, within the limits and uses given in the literature.
I have done this on my B33 many years ago. Still working ok.
Most reassuring, thanks for replies.
we have used 638 bearing retainer for many years on other compressor applications, we have to prove to customer and transport officials as well as our engineering and design department that it is fit for purpose. never had a fail or problem.