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More 184 whoas

IH CUB Lo-Boy Series - 154, 184, 185 Forum -- Questions and answers to all of your Lo-Boy related issues.
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Dieselrider
10+ Years
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Posts: 176
Joined: Mon Jul 02, 2007 5:17 am
Zip Code: 16656
Tractors Owned: 1977 Cub 184 Lowboy
1979 John Deere 2640
2013 Kubota L3800 TLB
1949 International Cub
Location: West Central PA
Contact:

More 184 whoas

Postby Dieselrider » Mon Jul 30, 2012 3:44 pm

I have the tractor running after the electronic ignition but, when I try to engage the deck the tractor nearly dies. It acts like it is flooding out and I do notice the gasket in between the two halves is wet with gas like maybe the float is not shutting off the flow. How can I determine just where the gas level is in the carburetor? I have had it apart and cannot find anything wrong with the float. It does what it should (float) Cannot find any leaks- keeps air in and water out. Even with the adjustment screw on the carb all the way in it still runs. Any ideas? Should I go looking for a new carb or is there a way to save this one? Thanks

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Bob McCarty
Team Cub
Team Cub
Posts: 11825
Joined: Tue May 25, 2004 8:02 pm
Zip Code: 80501
Tractors Owned: Cubs, MH Pony, Shaw, Allis G, 1934 Silver King, JD LA and LI, Gibson D, David Bradley Tri-Trac
Circle of Safety: Y
Location: CO, Longmont

Re: More 184 whoas

Postby Bob McCarty » Mon Jul 30, 2012 5:12 pm

It doesn't sound like you set the float height and drop. Here's a chart from the GSS-1411 Service Manual. I'm assuming you have a Zenith Carb.
Image

Bob
"We don't need to think more,
we need to think differently."
-Albert Einstein

Dieselrider
10+ Years
10+ Years
Posts: 176
Joined: Mon Jul 02, 2007 5:17 am
Zip Code: 16656
Tractors Owned: 1977 Cub 184 Lowboy
1979 John Deere 2640
2013 Kubota L3800 TLB
1949 International Cub
Location: West Central PA
Contact:

Re: More 184 whoas

Postby Dieselrider » Mon Jul 30, 2012 5:56 pm

Bob McCarty wrote:It doesn't sound like you set the float height and drop. Here's a chart from the GSS-1411 Service Manual. I'm assuming you have a Zenith Carb.
Image

Bob

I do have the Zenith carb. How do you set the float height? I will look for that in the manual. Didn't see how to set the height but then, I may have missed it. Okay, I found it in the manual and I am reading the description. Can't see much in this photo in the manual as it is mimeographed photo and not very clear. What do you guys use to measure the height? Do you all have the tool FES 36-3?
Then the manual stops there. It refers you to the specs sheet for what the level should be but, nothing about how to set it. How do you adjust the fuel level? The manual doesn't say unless it is somewhere else in the manual.

Bob McCarty
Team Cub
Team Cub
Posts: 11825
Joined: Tue May 25, 2004 8:02 pm
Zip Code: 80501
Tractors Owned: Cubs, MH Pony, Shaw, Allis G, 1934 Silver King, JD LA and LI, Gibson D, David Bradley Tri-Trac
Circle of Safety: Y
Location: CO, Longmont

Re: More 184 whoas

Postby Bob McCarty » Mon Jul 30, 2012 6:05 pm

If you hold the carb so that the float is closing the needle valve, the distance from the edge of the carb to the top edge of the float should be 1 5/32". I use a caliper which would be set at 1.16". Then turn the carb over so the float drops. The distance from the the carb edge to the top of the float (now hanging down) should be 3/16" more or 1.35" with a caliper. If the float is set correctly, the gas level should be correct. Let me know if any of that doesn't make sense.

Bob
"We don't need to think more,
we need to think differently."
-Albert Einstein

Dieselrider
10+ Years
10+ Years
Posts: 176
Joined: Mon Jul 02, 2007 5:17 am
Zip Code: 16656
Tractors Owned: 1977 Cub 184 Lowboy
1979 John Deere 2640
2013 Kubota L3800 TLB
1949 International Cub
Location: West Central PA
Contact:

Re: More 184 whoas

Postby Dieselrider » Mon Jul 30, 2012 6:10 pm

That makes perfect sense, bob. Thank you. I was trying to figure out how you could set the fuel height once the carb was together and couldn't see the setting being made to the float prior to assembly as the answer. Cool

Dieselrider
10+ Years
10+ Years
Posts: 176
Joined: Mon Jul 02, 2007 5:17 am
Zip Code: 16656
Tractors Owned: 1977 Cub 184 Lowboy
1979 John Deere 2640
2013 Kubota L3800 TLB
1949 International Cub
Location: West Central PA
Contact:

Re: More 184 whoas

Postby Dieselrider » Mon Jul 30, 2012 9:17 pm

Well, back to the proverbial drawing board. When I took down the carburetor the dimension was about 1.350 nearly 1 3/8 inches so, I adjusted the float until the proper 1 5/16" was achieved (drop was good as well) and put it all back together. Still lets way too much fuel in the carb. Tractor will start but, you cannot engage the deck and have the engine run properly. Gasket is still getting wet from fuel. Will take it down again tomorrow.

Bob McCarty
Team Cub
Team Cub
Posts: 11825
Joined: Tue May 25, 2004 8:02 pm
Zip Code: 80501
Tractors Owned: Cubs, MH Pony, Shaw, Allis G, 1934 Silver King, JD LA and LI, Gibson D, David Bradley Tri-Trac
Circle of Safety: Y
Location: CO, Longmont

Re: More 184 whoas

Postby Bob McCarty » Mon Jul 30, 2012 9:21 pm

Dieselrider, You typed 1 5/16, I hope you meant 1 5/32. Next thing would be to see if the needle seat has something in it keeping the needle from sealing.

Bob
"We don't need to think more,
we need to think differently."
-Albert Einstein

Dieselrider
10+ Years
10+ Years
Posts: 176
Joined: Mon Jul 02, 2007 5:17 am
Zip Code: 16656
Tractors Owned: 1977 Cub 184 Lowboy
1979 John Deere 2640
2013 Kubota L3800 TLB
1949 International Cub
Location: West Central PA
Contact:

Re: More 184 whoas

Postby Dieselrider » Mon Jul 30, 2012 9:48 pm

Bob McCarty wrote:Dieselrider, You typed 1 5/16, I hope you meant 1 5/32. Next thing would be to see if the needle seat has something in it keeping the needle from sealing.

Bob

Oops! Yes 1 5/32 approx 1.155". Will tare down again tomorrow night if I get a chance. thanks

outdoors4evr
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Posts: 2784
Joined: Tue Jul 22, 2008 12:44 pm
Zip Code: 48370
Tractors Owned: 184
Location: Oxford, MI

Re: More 184 whoas

Postby outdoors4evr » Tue Jul 31, 2012 8:10 am

Since you started this project working on timing, perhaps it would be helpful to double check the timing.
Set the high idle timing first using the 16 degree before TDC mark, then adjust your RPM's with the governor, then recheck the high RPM timing.
The low RPM timing is not adjustable, though if the timing does not move close to 0 degrees at a low RPM, then the timing advance mechanism may require service.
184 w/ Creeper & 3-Point
IH 3160a Mower
IH Model 15 Tiller
IH-54 Blade

Dieselrider
10+ Years
10+ Years
Posts: 176
Joined: Mon Jul 02, 2007 5:17 am
Zip Code: 16656
Tractors Owned: 1977 Cub 184 Lowboy
1979 John Deere 2640
2013 Kubota L3800 TLB
1949 International Cub
Location: West Central PA
Contact:

Re: More 184 whoas

Postby Dieselrider » Tue Jul 31, 2012 3:55 pm

outdoors4evr wrote:Since you started this project working on timing, perhaps it would be helpful to double check the timing.
Set the high idle timing first using the 16 degree before TDC mark, then adjust your RPM's with the governor, then recheck the high RPM timing.
The low RPM timing is not adjustable, though if the timing does not move close to 0 degrees at a low RPM, then the timing advance mechanism may require service.

Did check to make sure the timing advance was working and it is. The problem now is definitely fuel related. I can find nothing blocking anything in the carb but, as soon as you turn the fuel valve on the carb fills with fuel and fuel will then run out the air intake of the carb if the air hose is off. I think I'll pull everything out of the carb and reassemble while using the diagram to be sure nothing is out of place- although I thought I had done that before. Getting frustrated right about now.

outdoors4evr
10+ Years
10+ Years
Posts: 2784
Joined: Tue Jul 22, 2008 12:44 pm
Zip Code: 48370
Tractors Owned: 184
Location: Oxford, MI

Re: More 184 whoas

Postby outdoors4evr » Wed Aug 08, 2012 8:31 am

Don't know where you got your carb rebuild kit, but a lot of people really hate the aftermarket rebuild kits.
I think that one of the forum members rebuilds carbs. Might be less headache to send it to a pro.
184 w/ Creeper & 3-Point
IH 3160a Mower
IH Model 15 Tiller
IH-54 Blade


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