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Ohio | First off have done a search and got some good info , but this one has me stumped . It is an older machine , with Continental flat head . What I have done , Complete tune up . Points , condenser , rotor , cap , new coil and plugs . Has good spark . New head gasket and milled head . Rebuilt vaporizer , rebuilt carb. . Rebuilt starter and new ends on cables . Fresh oil change . Coolant is in the vaporizer .The electric solenoid above the vaporizer kicks off and on . The vapoizer is the kind that has the spring loaded button , this button when held in will pulse in and out when the engine is cranking .What it is doing is , acting like it wants to go on about 2 cylinders , but just can't get the others to lite and the gas pedal pressed all the way down . It is setting outside and tomorrow I will pour hot water on the vaporizer . What I don't understand is either has absolutely no effect . Timing the little piece of crap has to be a by ear thing . Will putting a new vaporizer on it help ? Goodness knows I've throwed everything else at it . 40 degrees to me is not cold , the way the thing is acting , you would think it is 30 below . TIA |
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central Ontario | Some things to try-
1- make sure you havent tripped the excess flow valve on the tank valve
2- are you getting liquid to the vapourizor- crack the liquid hose at the vapourizor to check.
3- is the vapourizor frosted up?-if not then pouring hot water wont help
4If you're getting liquid to the vapourizor take the vapour hose going to the carb off and push the primer button on the vapourizor and you should hear the gas flow-if not then probably a problem in the vapourizor
I had problems with my c300 that it would run wouldnt run,it turned out to be a bad dist cap but I see you have changed that |
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Trivoli, Illinois | I have samething on a generator. The vaporizer is frosting on mine. It is hard to fine trouble shooting help. |
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East Central Arkansas | Sounds like you have had the head off since it has run last. Do you have the valves set like they should be? I think that can be more critical on LP than gasoline. |
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NW Montana | Check compression on all cylinders as you have an ignition problem. Caused by compression or ignition system |
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| Turn off the liquid, You have to start it on vapor and without engine heat there isn't going to be any vaporizing in the vaporizer. You have flooded the engine severely. The regulator on the carburetor should be set for an output pressure a little less than atmospheric pressure so vacuum in the intake manifold sucks it open and sucks in vapor and at the right mix so it fires. After its warm, it will run on liquid.
Gerald J. |
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| Dump some Sea Foam in the intake and start it. LP burns so dry that the valves will stick and hang open. |
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Mid-Missouri | I had one that stumped a tech and I. I told him I did a tune up in the distributor, I think a Pertronix upgrade. It didn't come with a rotor and I didn't know any better!!! Expensive lesson learned, but it would show spark and proper timing when pulling a plug wire, but when you needed it, the spark wasn't there. We couldn't figure out fuel, ignition, or compression for quite some time. |
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franksville wi | You sure distributor is not 180 degrees off. If it will not run on carb cleaner or ether to start my bet is your timing is off. Be careful with ether prefer carb cleaner. |
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Central Missouri | How cold is it where you are. When it gets cold here I take a salamander style heater and point it at the radiator to heat up the water. If the regulator is frosting the water is too cold. This works for me anyway. |
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Ohio | Flat head so the valves were not touched and when turning engine over with head off , all valves were working . |
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Central Missouri | I just reread your post about it being 40 degrees. I would try warming up your radiator. My forklift won't start when it's cold either. |
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Ohio | The vaporizer kit came with a new plunger/plug that is spring loaded and this piece is connected to the push button that sticks thru the housing . Boy is that confusing ! The push button is connected visa a small piece of metal that pivots when the button is pressed . this pivoting of the small bracket moves the plunger/plug away from the housing . This plunger had a specific height it was to be set at according to the instructions in the rebuild kit . I reset/bent the bracket to accomplish the setting that was asked for . The original setting was no where near where I ended up according to the instructions . What I do know is when cranking the engine over the button pulses in and out . I'm wondering if someone that knowed what they were doing , had set this plunger at a different height , than what the instructions said . Does any of this make sense ? The part I don't understand is that a shot of either has no impact at all . |
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Ohio | Tried that too . Pulled no 1 plug and when piston came up with compression , plug fired . |
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Ohio | I will try warming it up . |
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Ohio | A small updraft carb and a gas tank would cure this piece of ----
Edited by OHKen 12/22/2014 20:56
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| Ran a lift at the feed mill i worker at. In winter it would finaly start but would not take any throttle until it was good n warm. |
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Midwest | I have trouble getting my old Hyster to start when it is extremely humid outside-like the last two weeks have been here anyway. So I hit the engine area with a knipco heater to dry stuff out and then it usually starts. good luck. |
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central mich | If it has fuel and ignition then propane engine needs compression test. |
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ec illinois champaign | our clark has the same motor,,if its cold i put a battery charger on it,,seems the faster crank makes it fire,even tho batteries are up,,and then i let it set and run for 10-15 minutes,like 1 guy said,it doesnt like throttle when its cold and wont run right,lettin it set and idle for awhile sure makes it run better in the cold air |
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East Central Iowa | Neighbor had this exact problem on a forklift also. Something along the lines of the distribitor turned the opposite way he thought it should. Cylinders 1 and 4 sparked great but nothing on 2, 3. Switched 2 and 3 around and ran great after that. |
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Propane forklift won't start--imagine that .
