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    JD 490E hydraulic pump conversion HPV091DS

    Hi Gary, I downloaded the instructions & would be happy to share them with you. I solved the overfill mystery, the kid helping me put an extra 5 gal in without telling me. The one thing I found is that the functions do not have quite the power as before. I added more shims, with no difference...
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    JD 490E hydraulic pump conversion HPV091DS

    Thanks for the input sorry about the bold type I must have forgotten to take the capital type off. Old age! Your input about the oil cooler is something I didn't think about, the cooler may have an air lock or whatever, I will keep a close eye on it. The only other thing we did was to install a...
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    JD 490E hydraulic pump conversion HPV091DS

    I have always parked my excavator like that when the computer was operating & the fluid would be in the middle of the site glass. However, after I installed the hydraulic conversion, the tank would only take about 17 gals of the 25 we took out. I thought the system needed to purge the air out...
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    JD 490E hydraulic pump conversion HPV091DS

    After listing the above I was able to download instructions for installing the hydraulic pump conversion kit on my JD490E serial# under 25000. I ordered the kit off Ebay for 549.00. The downloaded instructions were not the best but after a dozen reads, I figured it out. When the kit arrived...
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    JD 490E hydraulic pump conversion HPV091DS

    has anyone installed this conversion, & was it successfull?
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