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Re: Throttle linkage for Poulan 1950le
Most times the thottle wire end is "Z' shape. The end of the wire is passed thru the carburator throttle lever untill the wire is past the first bend, the wire is laid over so that the travel of the wire is parallel to the swing of the throttle lever. Many times both end of the wire are the same or one end has a taller mid section to fit thru the hole in the plastic (if it's plastic) hand throttle end.
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The throttle is a simple plastic lever that moves a rod bent in a weird configuration to align and connect to the carbuetor's shaft. Turn the saw upside down and look under the end of the handle, there should be a cap screw, either phillips, allen or torx that releases the back of the handle. Lift it gently and remove the other end from the plastic clips that secure it. Under there you will see the problem...either jammed with debris or just jammed up period. The choke should be a simple plastic affair whose issue could be related to the throttle linkage interfering with its operation. Solve the easiest first then look at the other problem.
Most are pretty simple the carb linkage should have a small moon shaped disc with three or four small adjustment holes for the bent tip of the throttle cable. After attaching the cable to the handle and snaking it to the carb. There is a small clamp that will hold the cable in the adjusted position .slide the end under the clamp and then connect to one of the holes on the linkage..slightly tighten the clamp and slowly move the handle unti the handle goes the full travel..then check to see it the carb linkage goes to full throttle and backs off to idle..if it does not..loosen the clamp and keep adjusting to get the desired full throttle and idle..May have to play with it a couple of times but it will adjust..good luck..
The precision bent throttle connecting rod can only go in one way CORRECTLY.... if it has to be forced or bent, stop and figure out the puzzle before any damage is done.
I'd suggest placing the carb temporarily on the mounting studs on the side of the cylinder. Don't install the filter and nuts etc yet. Take the throttle rod and lay it in place this way and that way until it looks like it matches the trigger end AND the carb end. Usually the carb end has to be installed on the carb while it is removed from the engine as tightness of space won't allow moving it all over to poke it in the hole. Once it is on the carb and you are sure of the orientation, slide the carb once again over the studs and lay the throttle rod by the trigger.
You need about three hands to hold the trigger, trigger lock, trigger return spring and the handle together while you figure out how to snap in the top of the handle and start a screw under the handle.
From the governor 'vane', on end with a small hole in it is for one end of the spring........the other end of the spring goes to the throttle arm on the carb. YOU MUST HAVE THE CORRECT SPRING WITH THE PROPER LENGTH AND TENSION!!!
The wire linkage has a short Z bend in one end this hooks into the throttle lever from the outside, the other end has a long loop this goes into the trigger arm from the outside, you will need to twist the top of the trigger arm slightly to allow the linkage to go into the hole in the trigger arm.
It is quite difficult to explain exactly how it fits, the cable always looks too long and has to curl around on itself back to the trigger, the picture shows quite well how it goes, the end of the cable with a dog leg in it goes to the carb, as far as i remember it goes to the upper hole in the carb spindle, just push it into the hole and turn through 90%, the other end fits into the throttle trigger.
What end was pulled off.The end to the fuel tank goes into a small hole.The other end goes to carb. but sometimes it is difficult to see.Its easiest to take out the screws holding the carb and lift it enough to find the fitting.