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Message: <blockquote data-quote="Fishfiles" data-source="post: 16110" data-attributes="member: 782"><p>I guess you know by now that there is a second set of balls and spring that are under the collar that holds the spring in place with an allen headed bolt to the end of the spool , the detent collar should not have any grooves cut into it from the balls and spring moving in and out , see a lot of them that need to be replaced as it will cause the balls to lock up and jump out the bore , upon disaasembling the boom spool -don't grap ad pull on the cap as the spring and balls will jump out , push the spool thru from the front and then grap the spool in the rear as it becomes exposed ------I had the bobcat spring tool but miss placed, lost or was ripped off of it , I got a system that works pretty good putting in the balls , but it is kinda hard to explain , put the collar in a vise , cock the collar so that it covers one hole with a ball and spring in place , have the end of the spool against your stomach , place the second ball on top the spring which is sticking out a 1/4 " , use a screw driver side ways and push the ball down into the bore as you push in on the spool with your stomach, works better than the tool once you master it , if you take a medium sized flat screw driver and put a little heat to it and then center punch the blade over a slightly open vise jaw , you can make a kida spoon blade which helps to do this , one thing to be aware of , doing it like this can be like looking down the barrel of a BB gun so wear glasses that are impact proof ------there are quite aafew different seals , some are interchangeable , some not , even with the serial number I have been given wrong ones , some used a orange looking color seal that was thinner material than others , those require a special bobcat tool , which I have ad it works nicely , to install them with out cutting them while pushing them over the spool and pass over the cut outs , you can do it with out the tool but care should be taken -------you talked about also having 4 orings , have never seen that , some newer machines have an oring under the seal /boot collar on the front side only , not on the back , have seen where people had rebuilt the valve and had more than one seal on each side of the spool , probally they installed the wrong seal to start with and came back and added another on top of it and screwed it down , I would think you probally need the green seals unless that machine is really old and then the orange ones , but it is possible you need the thin orange ones and screwed them up installing them , who knows , to buy a whole seal kit is kinda a waste of money , they use to be around $100 plus and it has every oring , of every fitting , plug , relief , ect. , even new bolts , you won't need 90% of what you get , does make for good part box fillers -----------all machines are different as how much stuff you have to move to get the spools out so there is no set time on changing the seals , but I am pretty proud of my person best time record a few weeks back , changed tilt and boom spool seals on a 763 and replaced one set of balls and spring in 44 minutes , I did use impact to remove and reinstall the steering cowl and 1/4 air rachet for the caps and dust boots allen screws --------- to make a mistake once is human , to make the same mistake twice is stupid , get it done this time , pare'ree</p></blockquote><p></p>

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