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Houdaille shock absorbers
Hi David,
Wish I could tell you how to un-seize them but I can't. Years ago I tried everything from filling with Penetrene, acetone, and even soaking in kero for a month. Nothing moved. I didn't try brake fluid and acetone together as has been mentioned before as a great penetrant for seized nuts and studs. Perhaps that might work? I wound up getting them restored by Frank Curcio in Melbourne who specialized in reconditioning those type of shock absorber as used on A Model Fords but are a bit smaller. He took a couple extra ones apart for me so I could have a look. I don't think he is still in business though. To do it again I would do it myself as all he did was heat up the arm at the pivot shaft while using a puller that he fabricated for the job. Once the arm is off, the hardest part, the rest comes apart easily for cleaning. As per the photos Houdaille shock absorbers are beautifully machined and that is the problem. Once the fluid congeals or goes hard in those tight clearances it effectively locks everything up. Beware too that they have a clockwise and anti-clockwise operation so you cannot swap left to right and vice versa should you find some that move. There are a few websites that explain Houdaille shock absorbers which makes for interesting reading. Hopefully I got the ball rolling and someone will be able to add to this. Cheers,
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F15-A 1942 Battery Staff Jacques Reed |
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