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1987 Grove RT745 w/ Clark 28000 tranny problems
Hello all, I have a Grove 1987 RT745 w/ a CAT3208 engine and Clark 28662 transmission. All hydraulics work well in the crane except it will not move. I've refilled the transmission with oil as stated in the manual to no avail. I've checked the selector valve and it seems to be working well with... -
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Help lowering stalled Grove crane boom
Hello all, quick update. Could get the boom down by hoisting it with the other crane. Tensed it up, released the two hoses, raised it a bit more and then removed what was sort of a cap from what I believed was the load holding valve. Decided to try and test lowering the boom down slowly and oil... -
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Help lowering stalled Grove crane boom
Thanks for your reply, I believe that will be my best option for now. I understand. Do you think it would be safer to try and remove the piston from the boom with a chain fall while holding the boom with the other crane? The other crane is a Grove RT-745 90000lb. -
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Help lowering stalled Grove crane boom
I appreciate the concern. I too am a bit anxious as I haven't done this with a crane boom. I don't have many options though and it needs to be done soon due to where it is at. What do you think could go wrong? I didn't think about the wheels yet, but you're right. Maybe I will need to try and... -
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Help lowering stalled Grove crane boom
I was under the idea that you could slightly loosen it and it would be somewhat controlled, but I will still have another crane holding the boom up and lowering down slowly. I'm aware that there will be a big oil spill, yet, do you still think it won't have a slow descent? -
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Help lowering stalled Grove crane boom
Hello all! I have a 1981 Grove RT630 crane that has a dead engine. I need to lower the boom down in order to have it taken from job site. I'm aware that it has a counterbalance valve and am thinking of releasing it while using another crane to hold the boom and lower it down slowly. I wanted to...