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#1
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Hi guys, I have a VF4 that was throwing a 179 alarm which is a low pressure transmission oil alarm. After some investigation we discovered that this rubber coupler had split. ![]() I looked at Granger but could not find it does anyone have a suggestion where to get just the coupler? Haas will only sell the whole unit pump and motor so that is out. Thanks again Erich |
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#6
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| Thanks for the info. on the coupler. Good info to have.
__________________ Just a good ol' boy, never meanin' no harm. Joe |
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#8
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| The pump on a VF4 is in the head, in the right rear corner, you will have to remove the sheet metal to see it. You will have to remove the sheet metal to replace either the coupler or the pressure switch. Hope this helps Erich here is another link with more info http://www.cnczone.com/forums/showthread.php?t=76692 Last edited by FUN4ME; 03-09-2010 at 10:59 AM. Reason: added info |
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#9
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| The coupling is a standard part. www.guardiancouplings.com/ However you must buy from a dealer. Type this part # into Mcmaster carr . ( it will not show up in the regular catalog search or the paper catalog ) Be sure to click on " catalog page " below the description to view the part. 6428K51 Neoprene Sleeve, 1/8" to 3/8" Bore Range In stock at $1.68 Each Prior to coming on with my current company a VF2 had the wrong oil dumped in to the transmission. This clogged the filter and strained the pump causing 3 coupling failures. The HFO was replacing entire pumps. Total bill was just over $ 1,000 each time for 3 years. Be sure to take apart and clean the strainer, the couple of machines I looked at are plumbed backwards making it look like it is clean but it is really clogged. ( Oil is supposed to flow from outside to in . ) |
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