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Ford 9N, 2N & 8N Discussion Forum
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Re: Blew Out Hydraulic Chamber

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Author  [Modern View]

08-27-2013 17:42:03

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You realize that when lifting something at the end of the boom pole that weight is multiplied several times.

Are you sure someone has not tampered with the relief valve. The cap on the relief valve can be tightened down so it won't relieve at any pressure.


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Bill VH

08-27-2013 21:00:54

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 Re: Blew Out Hydraulic Chamber in reply to ZANE, 08-27-2013 17:42:03  
I did know that lifting something on the end of the boom can be problematic. Much of what I know about the 8N has come from a local friend or the hydraulic video that is available for purchase. Based on the video, I figured if the front end does lift off the ground, the hydraulics should lift it. I don't know if this is the right thinking. I had picked up this frame with another 8N that I have (who can have just one), with the same boom.

The safety valve was brand new, fresh out of the wrapper. As a rule of thumb, and in the interest of saving myself some hassle, I just replace them when I rebuild. I had wished I done it in the past. I never know exactly what they are set at. I trust that the "factory" has set these properly. I've got no way to test them.

Still haven't had a chance to drop the pump, yet and take pictures. As soon as I do, I'll post them.

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