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Bobcat Skidsteer Forums
General Bobcat Skidsteer Forum
743 controll valve spool seals
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<blockquote data-quote="Fishfiles" data-source="post: 54917" data-attributes="member: 782"><p>It took 3 hours and 15 minutes of work time to change the seals on 4 spools , I was guessing 4 hours , it had a 4 spool valve and one spool wan't being used but changed the seals on it any way as I had a complete kit , the job was hard because of rust , the clevis pins on the linkage to the boom valve spool were frozen up pretty good , thank goodness for the Kroil , the arm that goes under the pump from the left pedal gets right in the way of things , taking out the flow divider gave some room , and took off two tubes and 3 hoses , in the rear the bottom spool to the aux was blocked by a steel tube but really wasn't too bad to get out the tube loose and out the way , the hardest problem was one I could have never guessed , one of the seal holders was rusted in and took a lot of time , Kroil and tapping to get it to come off , the machine was filthy and pressure washing first would have been great , 1/4 " air ratchet with the 1/4" drive 3/16" allen socket with about 3 foot of extension for the rear and 3 inches for the front is the key to save a lot of time on this job ------------------in the kit was a very small oring and a white plastic needle valve looking part , have no clue to where it goes</p></blockquote><p></p>
[QUOTE="Fishfiles, post: 54917, member: 782"] It took 3 hours and 15 minutes of work time to change the seals on 4 spools , I was guessing 4 hours , it had a 4 spool valve and one spool wan't being used but changed the seals on it any way as I had a complete kit , the job was hard because of rust , the clevis pins on the linkage to the boom valve spool were frozen up pretty good , thank goodness for the Kroil , the arm that goes under the pump from the left pedal gets right in the way of things , taking out the flow divider gave some room , and took off two tubes and 3 hoses , in the rear the bottom spool to the aux was blocked by a steel tube but really wasn't too bad to get out the tube loose and out the way , the hardest problem was one I could have never guessed , one of the seal holders was rusted in and took a lot of time , Kroil and tapping to get it to come off , the machine was filthy and pressure washing first would have been great , 1/4 “ air ratchet with the 1/4” drive 3/16” allen socket with about 3 foot of extension for the rear and 3 inches for the front is the key to save a lot of time on this job ------------------in the kit was a very small oring and a white plastic needle valve looking part , have no clue to where it goes [/QUOTE]
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743 controll valve spool seals
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