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Thread Tools | Display Modes |
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#1
04-25-2022, 04:47 PM
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1811 fast idle adjust
Hello gents, it's been ages since my last post because nothing has been broken on my 1811 or 149 in a while.
I did have a new 1811 starter that was intermittent and I noticed when it was cranking, that sparks were flying off the starter gear. The bolts were tight so I added a ground wire from the chassis to the rear of the starter case. No more sparks and she starts every time now. There must be a faulty ground wire inside the starter. Anyway, I'm embarrassed to admit I don't know how to adjust the fast idle to 3600RPM. I looked in the owner's manual and service manual but couldn't find it. I have an optical tach, I just need to know what to adjust. Thanks
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Rusty 149 project with: QA42 snow thrower 38" deck Barn fresh 1811 with: 44c mowing deck QA42A snow thrower 42" snow blade 
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#2
04-26-2022, 09:17 PM
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Quote:
Looking at your carb, move the throttle. The "arm" actuated by the throttle cable has a screw that it, essentially, hits at idle. That's how you set the idle speed. This needs to be done when fully warmed up w/ clean air & fuel filters.
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Why Farm Half When You Can Farmall? 1282 | 44C Deck, Chains, 42" Blade, Cast Weights, 020" Over K301 * 1711 | 50C Deck, #1 Rear Rototiller w/ Extensions, Sleeve Hitch, KT17S Series II 24302 --> CH18S * 1811 | 46 GT Deck, 42" Blade, Chains, M18 Magnum, Sleeve Hitch * 1782 | 60" #375 Deck, Kubota D640 Diesel * 1862 | #450 Snowblower, M18 Magnum * 782 | Y/W KT17 Series II, Sleeve Hitch * 984 | Y/W Onan/Linamar 20HP, Sims Cab, CAT 0 3 PT w/ Rear PTO, 60" #374 Deck
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#3
04-27-2022, 07:09 AM
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Quote:
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Roland Bedell CC Models: 100, 105, 1450, 782, (2) 784, & 2072 Buy: Made in the USA 
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#4
04-27-2022, 07:27 AM
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If I may suggest the service manual is free to download if you have not done so.
Edit: I should also mention that at the end of the throttle cable on the engine, is a bracket that secures the cable sheath. the cable sheath is adjustable to allow for more pull on the spring that pulls on the governor. a lot of times one does not have to adjust the Gov. itself, but just increase the pull of the cable on the spring allowing the speed to be set at the 3600 rpm's ( it is easier done than described)
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#5
04-27-2022, 08:23 AM
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I have downloaded all the manuals, but unfortunately, the images are generally terrible. I know, you get what you pay for.
The manual mentions adjusting the stop bracket but not the cable clamp. I'll adjust them together using my optical tachometer. I wish I had an old cub guru nearby to hold my hand while we tinker and crack a few beers.
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Rusty 149 project with: QA42 snow thrower 38" deck Barn fresh 1811 with: 44c mowing deck QA42A snow thrower 42" snow blade
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#6
04-27-2022, 09:09 AM
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The some of the Manuals are of lesser quality. The Governor procedure is the same on the KT-17. You can use that manual also.
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Roland Bedell CC Models: 100, 105, 1450, 782, (2) 784, & 2072 Buy: Made in the USA
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#7
04-27-2022, 09:16 AM
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Don't know if this will help or not but at least it will add some visual to
your thread. I believe if you make sure your governor is set right before you adjust throttle you will be OK. You can then set where the cable sits in the clamp and then the stop. I wish I could sit down and have a beer with someone who is interested in CUBS as well.  Ken DSCN1199.jpg DSCN1200.jpg
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#8
04-30-2022, 12:13 PM
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Catastrophe?
Well Gents, I was adjusting the throttle cable to get my high revs a little higher and suddenly the engine pegged WAY fast. The linkage is still connected as it has been for the last 4 years, but the governor seems to have suddenly failed. I disconnected the throttle and I can adjust the RPMs by hand, but the governor seems to have no effect on the linkage position.
Motor has 2500 hours and has been well maintained. No smoke, and has always run smoothly. Is there a way to diagnose this? Am I in for a rebuild?
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Rusty 149 project with: QA42 snow thrower 38" deck Barn fresh 1811 with: 44c mowing deck QA42A snow thrower 42" snow blade
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#9
04-30-2022, 01:03 PM
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Sounds like the classic and fairly common nylon governor gear failure. You should be able to see it if you remove the oil filler cap and tube assembly, and look in the large threaded hole. If it's gone or teeth stripped, there's your problem. To fix and replace the gear, the engine needs to come all the way apart.
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 582, 682, 782, 782D, 1282, 1050, 1210 x 2, 1711, and 1811
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