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Bobcat Skidsteer Forums
General Bobcat Skidsteer Forum
600 leaking gas
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<blockquote data-quote="BobMelroe" data-source="post: 26868" data-attributes="member: 2763"><p>If it's the original engine it probably is the VF4D. It has a tapered output shaft where the variable sheave mounts. The tag on the motor should say, if there is one. It sounds like either something is restricting the fuel flow, or the diaphragm in the fuel pump is ruptured. Or it's sucking water or other gunk. The easiest way to get gunk out is to take a damp rag, wrap it around your blow gun and shove it into the filler neck. Put the end of the hose that goes to the fuel pump in a gas can or other container so you can see what comes out. It takes VERY LITTLE pressure when doing this so turn the compressor regulator down to about 5 or 10 lbs and go easy. This is assuming you have a compressor of course...... And I am assuming it was running halfway decent before (ie, no carburetor problems). The only other thing I can thing of, is the float is sticking. You could try tapping on the carb body a few time lightly with a wrench to see. If that doesn't work, it's probably not the float. Yes, you can add an electric pump, but you should run a return line to the tank or run it off a pressure switch, have it fused, AND add a manual override switch up front so you can shut it off in an emergency. Otherwise you could flood the carburetor, and maybe cause a fire. I think the diaphragm type pumps have this feature built in, but I would still have a switch up front. I still have that fuel pump if you are interested. Probably less than $10 to ship it to you via USPS. Not making any money off it, just hate to see you struggling.</p></blockquote><p></p>
[QUOTE="BobMelroe, post: 26868, member: 2763"] If it's the original engine it probably is the VF4D. It has a tapered output shaft where the variable sheave mounts. The tag on the motor should say, if there is one. It sounds like either something is restricting the fuel flow, or the diaphragm in the fuel pump is ruptured. Or it's sucking water or other gunk. The easiest way to get gunk out is to take a damp rag, wrap it around your blow gun and shove it into the filler neck. Put the end of the hose that goes to the fuel pump in a gas can or other container so you can see what comes out. It takes VERY LITTLE pressure when doing this so turn the compressor regulator down to about 5 or 10 lbs and go easy. This is assuming you have a compressor of course...... And I am assuming it was running halfway decent before (ie, no carburetor problems). The only other thing I can thing of, is the float is sticking. You could try tapping on the carb body a few time lightly with a wrench to see. If that doesn't work, it's probably not the float. Yes, you can add an electric pump, but you should run a return line to the tank or run it off a pressure switch, have it fused, AND add a manual override switch up front so you can shut it off in an emergency. Otherwise you could flood the carburetor, and maybe cause a fire. I think the diaphragm type pumps have this feature built in, but I would still have a switch up front. I still have that fuel pump if you are interested. Probably less than $10 to ship it to you via USPS. Not making any money off it, just hate to see you struggling. [/QUOTE]
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General Bobcat Skidsteer Forum
600 leaking gas
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