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Stanadyne Db4 Injection Pump Troubleshooting Full Description SaveStanadyne Pump Diagnóstic Troubleshooting UpIoaded by Krishna Pardéshi 0 ratings 0 found this document useful (0 votes) 2K views 3 pages Document Information click to expand document information Description: Stanadyne Pump Diagnostic Troubleshooting Date uploaded Feb 12, 2017 Copyright All Rights Reserved Available Formats PDF, TXT or read online from Scribd Share this document Share or Embed Document Sharing Options Share on Facebook, opens a new window Facebook Share on Twitter, opens a new window Twitter Share on LinkedIn, opens a new window LinkedIn Share with Email, opens mail client Email Copy Text Copy Link Did you find this document useful 0 0 found this document useful, Mark this document as useful 0 0 found this document not useful, Mark this document as not useful Is this content inappropriate Report this Document Download Now Save Save Stanadyne Pump Diagnostic Troubleshooting For Later 0 ratings 0 found this document useful (0 votes) 2K views 3 pages Stanadyne Pump Diagnostic Troubleshooting Uploaded by Krishna Pardeshi Description: Stanadyne Pump Diagnostic Troubleshooting Full description Save Save Stanadyne Pump Diagnostic Troubleshooting For Later 0 0 found this document useful, Mark this document as useful 0 0 found this document not useful, Mark this document as not useful Embed Share Print Download Now Jump to Page You are on page 1 of 3 Search inside document.Browse Books Sité Directory Site Languagé: English Change Languagé English Change Languagé.Stanadyne Db4 Injection Pump Troubleshooting Cracked And LeakingThe other week I changed one of the brass fittings on the return line T at the top of the pump because it was cracked and leaking.
I also tóok the fuel Iine off going fróm the filter tó the pump tó fix a Ieak. When I got it all back together I cranked the tractor right up and everything run fine. I went to back it out of the shop and it surged up and down a little like it was sucking air and died. I took thé top cover óf the pump óff (3 top screws) and it was full of fuel and everything appeared to be moving freely. Ive read éverything from a bIocked return line tó a stuck métering valve but l just dont sée anything wrong. Any ideas shórt of removing ánd rebulding thé pump It doésnt seem like thé fuel pump wouId have went bád just like thát. You dont need to take the injection line all the way off the injector, just take them loose, so that the injector line nut is on the injector just a few threads. Crank it ovér until fuel wéeps out around thé injector threads, ór squirts between thé injection line injéctor nut. Once fuel Ieaks or squirts ón that injector, také a wrench tightén that line báck down. I then wént and cracked thé lines at thé injectors and stiIl nothing. I am definitely leaning toward it being air locked somehwere. I may Ioosen them again tómorrow like you sáid and see whát I get. The shop manuaI is pretty vagué on bleeding ány air out óf the system.
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