Kitagawa S1875 Cylinder Rebuild

jjohns · May 21, 2019

I'm in the middle of trying to replace the O-rings in my Kitagawa S1875 cylinder. I can't figure out how to gain access to the bolts holding the cylinder together. I believe the bolts are between the aluminum casting and the rotating portion. I assume I'm on the right track, but I'm hoping someone can shed a little light on the subject, before I do some damage.

Thanks.

Other Brother · May 21, 2019

Post a photo, I have replaced piston o-rings in a lot of Kitagawa and Sam Chully actuators.

pgmrmike · May 21, 2019

Having the same issue with my Samchully HYHL 2511. I do wonder if just replacing the o rings is enough. Often the chrome flakes and replacing the o rings is only a temporary fix. I guess you dont know till you tear it down.....

Other Brother · May 21, 2019

I have had to grind the piston shafts down and have them hard chromed then re-ground if the diameters are pitted. Otherwise the o-rings will not last very long.

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Kitagawa S1875 Cylinder Rebuild

jjohns

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Other Brother

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pgmrmike

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Other Brother

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