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Thank you both.
David,
By glass bowl I assume you mean the sediment bowl? I’ll look at that, but how would I tell if there is H2O in there or not, what color change am I looking for? We did have rain prior to this, but if it is a question of water in the fuel, could that prevent the fuel from getting to the injector?Bob, I have cracked the bleed screw and pumped until unaerated DIESEL fuel has come out (not GAS, thanks for correcting my terminology). I have done this a number of times with no luck. That’s when I opened the hard line to the first injector to check and noted that there was no fuel coming through.
I refilled the tank first thing before I checked anything, so the tank is full.
Again, thanks for your replies and advice.
Thanks for the information, I will try your suggestions and let you know how it turns out after I get to it.
The issue is resolved, thanks to the good suggestions here. As it turned out the advice about the battery being bad enough to mess up the jump from my other tractor proved to be the case. It’s funny how easy it is to go barking up the wrong tree. I guess worrying about hydrolock should have come after verifying the electrical system, which would have seemed obvious given that the tractor was using its original battery from about 8-9 years ago. Oh well, the Nortrac service guy seemed so sure .. I removed the glow plugs and that didn’t help so I checked my cable connections and went and got a new battery, and following some suggestions here on CTOA I got the biggest battery I could find, a commercial grade 950 CCA 29H, which might be overkill for a 20hp tractor, but man does it turn over now! In the meantime I had been planning on replacing the glow plugs anyway so I got that done in the course of all this. So new starter, new glow plugs, new battery, it’s running good. I’m in north central Wisconsin and used the tractor for today’s snow. Happy to have it done before the real cold sets in.
Thanks to all of you for helping me with this, hopefully this thread might help someone avoid some wrong turns troubleshooting a similar problem.
:yahoo:
OK, getting back to you folks. I removed the glow plugs, and then turned it over, or tried to while checking the voltage drop. The voltage dropped from 12.23 to .4 vdc ! … so apparently the hydrolock thing isn’t the issue. Not exactly sure where to go from here, but the service adviser for Nortrac had said if it didn’t appear to be hydrolocked and it still wouldn’t turn over with the plugs out that it might be that I got a bad starter from them. What would that drop indicate about the starter? It still hits hard when I turn the key, but then just can’t move the flywheel it seems. I had no luck trying to turn the engine by hand either, not sure how to go about it. And I’d suspect the battery, but when I tried it yesterday I was jumping it from a my other running tractor and got the same result.
Thanks again for your suggestions and advice.
Dean (aka nortrac204)
Thanks for the suggestion. I have tried it with it jumped to my 50xt so there was plenty of battery power, but I haven’t checked the voltage down at the starter itself. I will check that.
Update to my post above: it actually does appear that the starter is engaging the flywheel, but it isn’t able to turn the engine. The fan belt moves the fan a little when I try it, but that is as far as it goes. The service advisor at nortrac suggests the the engine is hydrolocked and I should remove the injectors and try turning the engine by hand. Don’t understand how that would occur.
