Posted by CTP on December 28, 2016 at 13:12:28 from (75.69.44.26):
In Reply to: Hard starting kubota posted by CTP on December 28, 2016 at 07:17:50:
Hi, Thanks for all the comments. First I incorrectly identified the model. It is a L185DT, not a 285. As for maintenance, I purchased the tractor used and have not changed the fuel filter yet. I've put about 15 hours on it since I purchased it. The fuel feed is all gravity to the injector pump. Tank is about 3/4 full and level is above the pump. As for pumping the fuel pedal, that helping may be in my head.
When I first try to start it if I hold the pedal to the floor the engine will run at a slow speed for a few seconds then start to stall all the while keeping the pedal to the floor. It may stall out entirely or just sputter and then start to increase in speed. It will repeat this cycle over and over eventually increasing in speed. After a minute of so it starts to run normally. After that it runs fine. It's strong and will run as long as I need it. I use it mostly to plow my driveway (it has a front end loader). At most I use it for an hour at a time. Once running it idles fine at low speed and has plenty of power. I had it running yesterday, started hard but hadn't been run for a week. Tried to start it today (24 hours) after it last ran and it fired right up and ran fine. In cool weather, 30's today, I engage the glow plugs for about a minute. If the weather is warm (summer) it doesn't need the glow plugs at all. When I purchased it I did check the glow plugs for continuity. It did not remove them for inspection. I do think it is losing its prime. Can the injector pump leak into the crankcase due to a bad seal or something? The block is clean and dry around the injector pump. Thank you again to everyone for the help.
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