93 Series A Backhoe Leak

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cordlesscarpenter
1010 crawler
1010 crawler
Posts: 265
Joined: Mon Jun 17, 2019 3:36 pm
Location: Southeast Indiana

93 Series A Backhoe Leak

Post by cordlesscarpenter » Sun Jun 05, 2022 4:09 pm

Does anyone have experience rebuilding leaking valves on a 93A backhoe attachment? I just restored mine cosmetically, made some new levers, replaced all the hoses, etc. then I hooked it the crawler and began operating it for the first time and noticed one of the valves under the operator levers (in the center) leaking from the top where the rod goes in.

Is this going to be a long drawn out process or is it a simple repair?

Thanks

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LeonardL
350 crawler
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Re: 93 Series A Backhoe Leak

Post by LeonardL » Mon Jun 06, 2022 8:44 am

There should be o-rings as I recall. Not an easy task but not overwhelming either. Just messy and a bit time consuming.
40 plus years working on JD 350s, 400Gs, 450s and other equipment both Ag and Construction.

cordlesscarpenter
1010 crawler
1010 crawler
Posts: 265
Joined: Mon Jun 17, 2019 3:36 pm
Location: Southeast Indiana

Re: 93 Series A Backhoe Leak

Post by cordlesscarpenter » Mon Jun 06, 2022 9:06 am

LeonardL wrote:
Mon Jun 06, 2022 8:44 am
There should be o-rings as I recall. Not an easy task but not overwhelming either. Just messy and a bit time consuming.
Do the valves come apart individually from the bottom or do you have to remove the entire bank of valves?

I imagine disconnecting the lever linkage at the top, removing the shaft/guts from the bottom, replacing a bunch of O-rings and re-assembling. Does that sound familiar or am I way off?

Thanks!

Darrell

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