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Ajusting injector pump

W

Wheat Farmer

Well-known Member
Will post on Ford Forum too, but want to ask the old gang. Ford 1910 No manual, and little knowledge about tuning pumps. Glow plugs are working, but I will replace when they come in. Only getting 10V at the first one. Will check with a new wire. Runs great once it gets going, but lot of cranking and black smoke at first. seem to be getting fuel. It will hit on one then another then all three. Being a farmer I like tweeting if I can. Are the two set screws for just that?
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If it 'runs great once it gets going', I would not mess with the injector pump. Do you manually control the time on the glow plugs on a 1910? I have an old 1500 and it takes 20 seconds or more on the glow plugs to start a cold engine. When it has been shut down more than a few minutes, it needs some glow plug on a warm engine. Have you tried opening the throttle well above idle while starting? That helps on my 1500 on the first start of the day. The 1500 is a two cylinder though.

Garry
 
Yes 3/4 throttle helps. You have a spring loaded side for the glow plugs, but then they also work while cranking. glow pugs are just a stick type, but I assume NO STARTING FUILD.
 
Have you disconnected the glow plugs from each other and checked each one individually with a test light? Clip the test light to the positive battery terminal and touch each glow plug terminal, one at a time. If you get a light, you have continuity through the plug and it is not 'burned out'.
 
I did, and even pulled each one out just to see how hot they got. Going to put in a block heater. If new glow plugs, Heater, and injector cleaner doesn't work better, then that is telling be I should be working when it is that cold. TKS for your help.
 
I did not think to ask what part of the country you are in. The block heater will probably make all of the difference. We have one in a M-F 253, and after 1-2 hours it starts like summer time. We have been colder than normal in North Carolina this winter. The lowest at our house has been 5 degrees F, which is warm compared to what others have posted on here. I will not use starting fluid in any of our tractor engines. M-F, Kubota, Ford, I-H, etc.

Garry
 
The 10v at the glow plugs...

Have you checked for voltage drop across the relay when it's pulled in?

Possible to move the relay closer to the glow plugs and up the wire gauge?
 
Don't touch the pump. Use the glow plugs then crank a bit with minimum or no fuel, then open it up. Black smoke is LOTS of FUEL, if it doesn't burn clean at idle maybe get exch nozzles.
Later Bob
 
Voltage at a glow plug is a step in the right direction but..........Unless there is current proven to be flowing through and heating the glow plug. She ain't gonna work.
As previously stated, a block heater seems to be a drastic measure for most folk and they resist using such a simple, low cost and effective device.
Before tinkering with the injection pump. The injectors would better checked for pop pressure and pattern.
 
I worked on the same tractor a few years ago for a guy with the same complaint. We found the permanent magnet starter wasnt rolling as fast as it did when new. Put a new starter and cables on and it started much better. will it start ok if you pull it just a few feet? Thats how we figured the starter wasnt up to speed. It sounded good, just a little slow on cranking. Hang on to your hat though, a new one is pretty salty on price. was told they dont rebuild that type unit.
 
Don't know that pump. But the screws on most pumps are the High and low idle settings. No need to adjust them.But if it is coming on one cylinder at a time. I would guess bad glow plugs are a pump problem. Could also be bad injector nozzles. What does the air filter look like.
 
The bolt by the throttle shaft would be for the high idle... The set screw in the middle might be for the rack travel. I don't know for sure. Removing the side plate would probably tell you what it does.
Saying that... I would strongly suggest you leave it alone. I don't expect those engines have a lot of tolerance for fueling and you're just likely to cost yourself a lot of money in obsolete parts if you do tinker.
Get the glow plugs working correctly first... and install a block heater if you must. Those engines were not great starters to begin with. Getting the injectors serviced might also be advisable if there's any number of hours on it.

Rod
 
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