I owned a Troy-Bilt 47286 (the non-electric start version) for two years, 2013-2014. It was one of the last Troy-Bilt products before they went bankrupt, MTD bought them out, and then tossed all the spare parts
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Obviously an aftermarket ignition coil on that one ^^^.
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The bungee cord around the chute cage cut down on rattling considerably. It's still a machine that demands you wear hearing protection (like most OPE).
At the time, the Owners Manual was unobtainable. I paid an obscene amount for a really bad scan of the manual from eBay, then rescanned his pages, deskewed them and cleaned them up as possible, and put them online:
Troy-Bilt Stuff. That's more or less the same link as tabora posted above; that's my site and my work. When tabora says "readily available", he means today, not nine years ago when
I needed one
Regarding the vacuum-(or pressure-pulse)-operated fuel pump, the one on mine had a cracked body and it was NLA from B&S in 2013 . . .
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. . . and I replaced mine with a different version, Walbro FPC-1-1. It would not physically fit where the old one was, and I mounted it externally with spacers to mitigate heat transfer from the muffler shield. It barely got warm. If your fuel pump's body is similarly in poor condition, it may not be able to move enough fuel in short enough time to get the carb primed up.
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That Fraken-pump worked fine. I had bought the rig from a seller at the Portland Auto Swap Meet (the largest on the West Coast, "Always in April") for $75 -- down from his asking of $200 -- in 2013. Beside the aforementioned cracked fuel pump, it also had a leaking head gasket and the self-propel didn't work. It fit into the back of my Aerostar, so I bought it! I needed a chipper and was too cheap to buy a real Amerind-MacKissic Mighty Mac chipper that I really wanted.
The self-propel problem was a disconnected shifter cable (1-2-3). That cable was unobtaininum, so lubricate and treat yours well. The chipper knives were pretty dull, but I got through my project -- a bunch of holly and alder at my mother's house -- and sold it a couple years on for $150.
Both the chipper and vacuum portions worked well, though I only tested the vac part, I never really campaigned it. It was heavy. The tiny belt for the propel feature didn't look like fun to change.
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[Huh. I guess mine
was a 47287, as I see the electric starter in that pic ^^^. I guess maybe I was missing the battery holder, which also functions as a cover for the shifter cable terminus and the top of the transaxle.]
Somebody was selling repro chipper knives on eBay, but I didn't feel like changing out mine -- it's not a 30-minute job -- and I had a limited need for the chipper, so I just paid for more gasoline and took more time to get the project done.
Regarding starting, the engine has a carburetor with a float bowl, so it's easy to start as long as you
don't run it out of gas, which I never did. If you do run it dry, it can take some cranking to get fuel pumped up to the carb from the low tank.