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Thanks all. I removed the PTO switch and it was indeed "stuck" in the off position . . . why, I have no idea -- maybe a current surge arced inside the switch and fused the contacts? If the switch was permanently stuck I'd need to replace it, so before doing that I just applied some muscle /...

*<sigh>* “If it’s not one thing, it’s another.” Thanks to the assistance of folks here, I solved my fuel supply issues on my old LT1046 and last Friday knocked down the thigh-high weds that had grown while it was out of commission. But when I went out this morning to give it a second cut...

*<sigh>* “If it’s not one thing, it’s another.” Thanks to the assistance of folks here, I solved my fuel supply issues on my old LT1046 and last Friday knocked down the thigh-high weds that had grown while it was out of commission. But when I went out this morning to give it a second cut...

Thanks, that’s what I figured. It just runs against my grain to scrap something that can be fixed.

I recently scored a used Predator 9kw generator for next to nothing, because apparently it needed a new cylinder head. I replaced that and it runs and generates power just fine . . . but it belches white smoke like mad, and so it almost certainly needs a ring job (or worse). (I suspect it had...

As you’ll down further in the thread, that was my original thought. But after ruling out everything else, I isolated and tested the “four bolt” new pump I had installed, and it plainly was not working. (There are a number of YT videos out there that report the same thing.) When I installed...

Currently 83F here in Central Texas; should be high 80’s later today. Will be lounging in the pool later. 🙃 First major cold front of the season to hit us Monday, which will drop the daily low temps to the 40’s.

FYI, the first 14 pages of the LT1046 service manual (which includes the steps for removing the fenders so that you can access the gas tank) can be found here: https://issuu.com/fksuekmdm/docs/cub_cadet_lt_1046_lawn_tractor_service_repair_manu

Gearheadred: good call; will get that.

What's this "snow" you speak of? ;) (Writing from Central Texas, where we've had more than 2" of snow maybe half a dozen times in the past 15 years!) Fuel filter is just upstream of the pump, so all's good there. Cutting grass of that height . . . I usually run over it with the deck all...

SUCCESS! Got an impulse pump from Amazon that is supposed to be a compatible replacement part for a Kohler Command 23 engine. Hooked it up to a temp gas container and vacuum line, and it drew / pumped gas just fine. Mounted it and hooked it up to the existing fuel in/out lines, and viola...

It’s an older LT1046, with a Koehler Command 23 engine.

Well, nuts! Put a fuel supply line to the pump into a small container of gas sitting on the front wheel (such that it only would have to pump the gas up about 8” to get to the pump). Cranked the motor but the fuel out side of the pump remained dry as a bone. Will try a new/different impulse...

I like the idea of just running a temp fuel line from the pump to a gas can on the ground — simple and allows me to start eliminating variables one by one. Will try that when I have time to work on it again. I also used a cheap bulb type siphon to remove the small amount (about 2 liters) of...

Unfortunately, blowing out the fuel line with compressed air didn’t solve the problem. Cranking the engine sucks fuel into the filter, but still not enough to reach the pump. But I have a sneaking suspicion that there’s some crap in the gas tank — I replaced the gas cap a few months ago...

Good ideas folks, thanks. Will try the compressed air trick and see how that works.

Thanks. I’d replaced the old fuel pump (which clearly wasn’t working at all) with one that came with the carb/plugs/filter kit I bought from Amazon. Replacement pump was able to suck fuel into the filter, but apparently did not have enough oomph to suck it up another vertical foot to the...

Further details: disconnected the fuel out line from fuel pump and cranked the engine. Fuel flowed to the fuel filter but not out of the fuel pump. Ergo, that’s the source of the problem. Checked vacuum line from engine; it’s clear and sound. ideas? I’ve seen some suggestions online to...

Greetings: I have a fairly old LT1046 that’s been dependable over the years; it could sit for months (with a float charger on the battery), and it usually would start right up. Last year, it started running rough and having some starting issues, which I solved by replacing the carb, filters...

Greetings: I have an old LT1046. Recently started having all sorts of issues, which I ultimately traced to a disintegrated gasket in the gas cap, which led to water in the gas and all the issues resulting from that. Gas cap (Cub Cadet 751-3124B) itself is fine, it just needs a fresh gasket...

Thanks for chiming in. OK, so my problem stems from water or something ethanol-related contaminants dissolving stuff. Ergo: 1. What solvent/cleaner do people recommend to clean out this dissolved pot metal grey crud from the gas tank? And once I have it clean, should I treat the inside...

Ah, that would make sense, especially given the "crystaline" look of the grey crap that appeared to be growing in the tank. Thanks.

Thanks. You are correct, on my weed eater, the fuel filter in the gas tank had pretty much dissolved. But where the vast amount of gunk in the pressure washer fuel tank came from is a mystery -- the carb is almost all plastic + brass parts -- very little pressed / diecast metal I can see...

Thank you sir.

No gas additives used. Fuel tank cleaned, flushed, dried. New carb, which includes new integral fuel lines (mounts atop the fuel tank). Still getting this grey sludge, even with reasonably fresh ethanol free gas that's working fine in my lawn tractor. As indicated, same thing happened with...

I have a TroyBuilt power washer powered by a 4.5 B&S engine that uses the 795469 carb (the kind that has a priming bulb and mounts directly to the gas tank, which has a mounting plate with machined channels that forms the bottom of the carb). I recently have had all manner of problems getting...

FYI, ordered a $15 tune up kit from Amazon (new carb, gaskets, diaphragm, o-rings, air filter, spark plug, governor springs). Took less than 10 minutes to install; machine fired right up. Part of me enjoys being able to diagnose and fix the problem. Another part recognizes the money value...

Thanks to all. The video is excellent as it ID’s exactly what’s what. WRT the admonition to use a OEM carb, any idea where to get them? I can find plenty of aftermarket ones, but places that source B&S parts list the carb as “discontinued.”

Greetings: I have a Troy Bilt pressure washer that has a B&S 4.5 HP vertical shaft engine (appears to be 10J902 or close to it). Recently, the engine developed the following problem: it’ll start and run a few seconds on the gas from priming it with the bulb, but won’t run at all thereafter...