Posted by 78kitty on May 18, 2015 at 10:36:59 from (71.67.130.43):
I have a Ford Powermaster 861-D I'm having fuel delivery problems with. I've had the tractor about 3 years now and I use it occasionally to grade gravel, plow a small garden, haul firewood around, give the kids rides, etc. It started and ran great when I got it, but did leak a little fuel from somewhere on the injection pump {never really looked into it b/c it wasn't much and didn't cause any problems}. The problem started with the tractor suddenly not re-starting after it'd been run and got up to operating temp and was shut off for a minute or more until it cooled all the way back down, then it would start fine again. I went through all kinds of tests / attempted fixes, new battery & cables, fuel filter, checking for clogged fuel line, reading it could need a head gasket, etc. It sat all winter and now it won't start at all. I'm now fairly sure this problem stems from the Roosa-Master {now Standyne} DB2 injection pump itself.
Most recently I tried to bleed the injection pump and there's NO fuel coming out at the lines going into the injectors. I removed the inlet hose at the pump and TONS of fuel streams out. I read a clogged return line {usually the 'elastacast' ring disintegrating and causing the clog} will stop these pumps and was very hopeful this was my problem. I turned the motor over with the return line disconnected & routed into a catch-can but still NO FUEL going to the injectors. Anyone experienced this or know what I might try next? If I have to I'll send it to a pump shop, but if it's something I can diagnose and / or fix myself that would of course be my preference.
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