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Bobcat Skidsteer Forums
General Bobcat Skidsteer Forum
'89 Bobcat 743 control valve
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<blockquote data-quote="billrbg" data-source="post: 77676" data-attributes="member: 10970"><p>Well, this is more of a cry for pity or a rant, I'm not sure how you can help, but here goes: The engine came out easy, the shroud "not so much"; but it's out too, so I have good access to the rear of the control valve. However, the front side (where linkage connects) is buried beyond my reach by three hydraulic lines, especially the -12 one going to the reservoir. I bought some crowfoot wrenches to remove those lines and started out with the connection of the largest one (the -12) where it attaches to the "Block" about 6" in front of the Control Valve. That SOB is so tight all I can do is bend my 1/2" breaker-bar, using a long cheater-pipe on it. There is no rust on there, but I soaked it with some penetrating-oil. I have also heated it with a propane torch and have hammered on the nut flats, trying to get a minute amount of "give" someplace. The only thing I can think of to do now is to cut the nut or cut the hose. Either way I lose the hose, and maybe the fitting into the Block. I don't think a longer cheater-pipe is the answer, as the breaker-bar handle is bending enough that I run out of room to swing it (about 30 deg!). I'm pretty sure much more torque will just ruin the breaker or crow-foot, and that's assuming I could find a way to get more swing. I have also considered fabricating a special wrench that could get a 6-point grip and with a stiffer handle, but sacrificing the hose seems more practical. Any other suggestions?</p></blockquote><p></p>
[QUOTE="billrbg, post: 77676, member: 10970"] Well, this is more of a cry for pity or a rant, I'm not sure how you can help, but here goes: The engine came out easy, the shroud "not so much"; but it's out too, so I have good access to the rear of the control valve. However, the front side (where linkage connects) is buried beyond my reach by three hydraulic lines, especially the -12 one going to the reservoir. I bought some crowfoot wrenches to remove those lines and started out with the connection of the largest one (the -12) where it attaches to the "Block" about 6" in front of the Control Valve. That SOB is so tight all I can do is bend my 1/2" breaker-bar, using a long cheater-pipe on it. There is no rust on there, but I soaked it with some penetrating-oil. I have also heated it with a propane torch and have hammered on the nut flats, trying to get a minute amount of "give" someplace. The only thing I can think of to do now is to cut the nut or cut the hose. Either way I lose the hose, and maybe the fitting into the Block. I don't think a longer cheater-pipe is the answer, as the breaker-bar handle is bending enough that I run out of room to swing it (about 30 deg!). I'm pretty sure much more torque will just ruin the breaker or crow-foot, and that's assuming I could find a way to get more swing. I have also considered fabricating a special wrench that could get a 6-point grip and with a stiffer handle, but sacrificing the hose seems more practical. Any other suggestions? [/QUOTE]
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'89 Bobcat 743 control valve
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