Combines Farm Kid 2 5 clicks equals new combine

Congrats Old Pokey! You now have a combine! It took a lot of effort to get our 2188 to keep up with the 1680, and the 1680 runs cool with a dirty radiator when the 2188 runs warm with a clean radiator. I think you've got it. I wouldn't worry about the other spring too much if it will smooth out at startup. I know the guy who set our 1680 pump had to replace the Idle Bumper Spring with a lighter one. I'm not sure what effect this hasIJ I would really like to get my hands on the diagrams of the pump. Where did you find themIJ Have a safe (high speed) harvest, Mike

I'll see if I still have your email and scan them and send.

Congrats Old Pokey! You now have a combine! It took a lot of effort to get our 2188 to keep up with the 1680, and the 1680 runs cool with a dirty radiator when the 2188 runs warm with a clean radiator. I think you've got it. I wouldn't worry about the other spring too much if it will smooth out at startup. I know the guy who set our 1680 pump had to replace the Idle Bumper Spring with a lighter one. I'm not sure what effect this hasIJ I would really like to get my hands on the diagrams of the pump. Where did you find themIJ Have a safe (high speed) harvest, Mike

Hey, that sounds great. I've attached my email. Thanks, Mike

I have been reading these posts with interest. I think my combine has been boosted up before I got it. I have a 1680 with Cummins and the fuel screw has been screwed out about 1_4 an inch. It used to have loads of power and ran at 2800rpm. I slowed it down 100rpm to put less stress on the sieves etc. The power monitor in the cab used to go right round to the screw at the bottom, now it only goes to 4o'clock. The allen stud cap you speak of has been tampered with before I got the machine but the engine only just smokes and dosn't run lumpy when cold. What difference does the screw in there make compared to the fuel screwIJ What I'm saying should I give mine a couple of clicksIJ

lots of machines have had the fuel turned up, but it really doesn't do much good unless the governor has been adjusted correctly. Unfortunately, a lot of red combines left the factory with the pumps set up for a tractor, rather than a combine (set up to lug, rather than hit max HP at high rpm). If someone has your pump delivering extra fuel, you should really consider getting it re-set at a pump shop. 10% over factory spec should be the top, in my opinion. Old Pokey should be able to point you to the governor screw. It seems strange that your boost is not hitting 30 psi any more....not sure I understand thatIJ

Hi Greedy Guts. Did'nt I see some pics of your machine somewhere combining somethingIJ You're in the UK rightIJ Anyway, I certainly cant suggest you do anything, but you can reread the thread and see what my adjusting did. My pump has no lines coming from the intake manifold. It has no wires either. The pump on my machine is a bosch mw with a rsv type governor. Yours is likely the same pump, but may have a different governor. The difference between the screws is that the "fuel" screw controls the amount of fuel, while the governor controls the when in the rpm scale that amount of fuel is used. Its a lot more involved than that, but the rest is over my head. OkIJ Sounds good to me anyway. I think the reason you lost so much power was when you lowered the high idle, the throttle shaft can no longer pull on the other springs the amount they need to. If you turn one screw, several other screws need to be adjusted accordinly. At least thats how it works on my pump. I turned my governor screw "in_clockwise" and then had to lower the high idle. Since you lowered your high idle, you'd likely have to work the equation in reverse. RightIJIJIJ Again, before you turn anything, I'd suggest finding out what type governor you have. On my pump, I put the throttle in the stop position and took a 10mm allen to remove the plug. Then I took a 4mm allen to turn the screw. When I started the machine, both the low idle and the high idle were out of adjustment. I readjusted the high idle, then when I readjusted the low, it started to lope slightly. I had to adjust the bumper screw, which is the large screw just below the low idle screw, to stop the loping. The bumper screw takes a 19mm box wrench and a flat blade screw driver. When I turned the bumper screw in, it raised the idle again, so I had to work both the low idle, and the bumper in sequence with each other. Then guess whatIJ the high ide was off again.:-( Geez, had to go back and forth a number of times to get them all to play nice together. After the first try at 3 clicks, the second try, I had to readjust the throttle linkage to get enough shaft throw to idle the engine. I adjusted it, then went to work on the other screws again in the same way as before. Now the engine tries real hard to keep the rpms at the very top of the range. Before the adjustments, it would fall all the way down to 2500 before it would make any effort to hold. Does that make any sense to youIJ. Its your engine, so do what you wish, but if you're in any doubt at all, dont do anything till you find the right info.

Thanks for that Old Pokey and Farm Kid 2. My pump is a MW but I will have to look up the govener. We just finnished harvest tonight and it will be a few days before I get it washed off. If I understand you right my pumps maximum output is now above the high idle and the screw needs turning down a couple of clicks to get it down to 2710rpm no load speed, it was running at 2850rpm which shook everything to bits. Am I on to the right thing hereIJ Yes Old Pokey I am from England and I posted some pics on the other site of us cutting Canola.

I think you're on the right thing. At least I hope so. I think when you lowered the high idle by means of mechanical stop, internally the springs and weights are now out of adjustment. I think anyway. So that was your 1680. Good looking machine. Sorta cool to see harvest in other countries.

Old Pokey, Thanks for the email. I've been having a tough time with my internet connection. I tried to print them out, but the resolution was just too low for the diagram. Could you send the diagram again at high resolutionIJ Thanks, Mike