Well a big thanks for that one Tony. I have the same floor jack with the same problem. My father and I purchased it (Japan Version) sometime around 1987. Yours is the only video I found online for the long frame jacks,,,,, talk about good timing! I would have figured it out myself, but your video made it way, way easier. Thanks again man!!
Looks very similar to my long reach jack here in the UK, which also sags down over a period of time, so this is a very useful insight into how to attempt to reseal it, many thaks Tony. All the best!
Hi Chris, Thanks for the comment. After I put it back together I have been thinking about how I could have done this with less work. If I had disconnected the lifting arm and the control linkages and lifted the front hydraulic cylinder out of the base frame without completely removing it, I could have used the base to secure the cylinder against the torque required to undo the nut. Once again, thanks for your comment.
Why not start with the easy possible failure points first rather than attacking the main ram seal (which may be fine - OK; it wasn't!)? Ie, check the pressure release valve is sealing properly and that the one way valve is also sealing properly (looks like the ball bearing that appears at 04:13 may do both jobs - did you check it for wear/dirt/rust?). And people usually se a Stilson (or similar) on the main cylinder nut. Makes a bit of a mess but if you haven't got anything else...? (perhaps I shld have watched the whole vid before I commented!). 11:04 - A piston ring compressor would work well here or even just a very thin strip of metal (bit of old metal strapping?) with a jubilee clip around it... and *lots* of silicon lube!
Hi Martin, I had check the control components in a previous repair effort before I started to video. I also wasted money just replacing the oil which obviously made no difference. t that stage I was pretty sure it was the main seal. Good point with the piston ring compressor. I tried using a jubilee clip but I couldn't make it work. Thanks for your comment
Well done replacing the seal Tony, did you find the missing part of the seal in the cylinder? btw I suspect the little round headed screw in the middle of the reservoir cap is the breather and should be left loose
Well a big thanks for that one Tony. I have the same floor jack with the same problem. My father and I purchased it (Japan Version) sometime around 1987. Yours is the only video I found online for the long frame jacks,,,,, talk about good timing! I would have figured it out myself, but your video made it way, way easier.
Thanks again man!!
Glad I could help
the dedication of you drilling into the floor haha
Looks very similar to my long reach jack here in the UK, which also sags down over a period of time, so this is a very useful insight into how to attempt to reseal it, many thaks Tony. All the best!
Hi Chris, Thanks for the comment. After I put it back together I have been thinking about how I could have done this with less work. If I had disconnected the lifting arm and the control linkages and lifted the front hydraulic cylinder out of the base frame without completely removing it, I could have used the base to secure the cylinder against the torque required to undo the nut. Once again, thanks for your comment.
Keep up the good work
Nice job sir!
Your too kind
Why not start with the easy possible failure points first rather than attacking the main ram seal (which may be fine - OK; it wasn't!)? Ie, check the pressure release valve is sealing properly and that the one way valve is also sealing properly (looks like the ball bearing that appears at 04:13 may do both jobs - did you check it for wear/dirt/rust?).
And people usually se a Stilson (or similar) on the main cylinder nut. Makes a bit of a mess but if you haven't got anything else...? (perhaps I shld have watched the whole vid before I commented!).
11:04 - A piston ring compressor would work well here or even just a very thin strip of metal (bit of old metal strapping?) with a jubilee clip around it... and *lots* of silicon lube!
Hi Martin, I had check the control components in a previous repair effort before I started to video. I also wasted money just replacing the oil which obviously made no difference. t that stage I was pretty sure it was the main seal.
Good point with the piston ring compressor. I tried using a jubilee clip but I couldn't make it work.
Thanks for your comment
Well done replacing the seal Tony, did you find the missing part of the seal in the cylinder? btw I suspect the little round headed screw in the middle of the reservoir cap is the breather and should be left loose
Hi, Yes I found a chunk of rubber in the cylinder. Thanks for the advice about the breather, I'll have a look.
Luckily my wife doesn't watch my videos.