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154 fuel bowl assembly troubles
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- 5+ Years
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154 fuel bowl assembly troubles
Greetings,
LoBoy - 1968, or so. Fuel shut-off is not living up to its name and no longer will shut off fuel to the carb. I’ve picked up a new one from Amazon but, like so many knock offs, it looks great but won’t actually accept the output fuel line. I’ve tried dressing the seat on the old one and I’ve slowed down the flow, but I have more of a COMPLETE stop in mind. There is one pictured on Hamilton Bob’s site but it looks like the exact same fuel bowl assembly.
1 - Do any of ya’ll know a source for a complete fuel bowl assembly?
2 - As another option, I may just use a rubber fuel line with a filter and shut off valve. I then need a tank barb with whatever size the thread-in portion of the filter is. I don’t have any big nuts to try on the filter to determine the size. What is the size of the thread-in portion?
Thanks for your help
Cheers
David
LoBoy - 1968, or so. Fuel shut-off is not living up to its name and no longer will shut off fuel to the carb. I’ve picked up a new one from Amazon but, like so many knock offs, it looks great but won’t actually accept the output fuel line. I’ve tried dressing the seat on the old one and I’ve slowed down the flow, but I have more of a COMPLETE stop in mind. There is one pictured on Hamilton Bob’s site but it looks like the exact same fuel bowl assembly.
1 - Do any of ya’ll know a source for a complete fuel bowl assembly?
2 - As another option, I may just use a rubber fuel line with a filter and shut off valve. I then need a tank barb with whatever size the thread-in portion of the filter is. I don’t have any big nuts to try on the filter to determine the size. What is the size of the thread-in portion?
Thanks for your help
Cheers
David
- Don McCombs
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Re: 154 fuel bowl assembly troubles
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Re: 154 fuel bowl assembly troubles
I quite purchasing fuel bowl assemblies/sediment bowls and parts years ago. Junk. Waste of money. Yup. JUNK.
When one starts leaking it's converted to a ball valve and a gravity fed in line fuel filter.
Positive shut off. No more fuel drips, saves gasoline and money.
When one starts leaking it's converted to a ball valve and a gravity fed in line fuel filter.
Positive shut off. No more fuel drips, saves gasoline and money.
I have an excuse. CRS.
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- Tractors Owned: Cubs: (3)'49's, (1 is for parts), (1)'57 IH Cub LoBoy w/FH, (2)154 Number Series Loboys, (1 is for parts), '76 Longstripe w/FH, Mowers: C-22, Bush Hog 412, Pennington 59, Woods RM42CF, Woods 42, assorted FCub plows, planters, discs, etc. OTHERS: '49 AC B & Ind. Sickle mower, '61 AC D12 Ser 2, '52 8N, '56 Ferguson 35 Deluxe, '47 & '49 Avery V, '53 MM BG (offset), '51 JD M (regular), '56 JD 420C, with Blade and fire plow, '85 JD 850 (Yanmar) w/72" belly mower, '76? Yanmar 2TR15 1500 & Bush Hog SQ42S-2 mower, '78? FORD Dexta, '86 FORD LGT14D & 48" Mower, (2)Cub Cadets & Mowers (MTD), (4) Sears Surburban's, other MTD mowers, Jeeps & other misc. "treasures"
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Re: 154 fuel bowl assembly troubles
Fuel system parts threads are 1/2 x 20 bolt thread on the fuel shutoff and carb. 5/16 brake line has the right size/thread nut, 5/16 brass tubing fittings can be rethreaded with 1/2 x 20 bolt die. I used a 1/4 quick open, pipe valve with adapters in the fuel line, under the tank and left the OEM fuel shutoff/strainer in place. PM me if you want more info.
EDIT: Here's what it looks like with the parts needed:
EDIT: Here's what it looks like with the parts needed:
Last edited by staninlowerAL on Sun Jun 28, 2020 9:06 am, edited 1 time in total.
Stan in LA (lower AL)
USAF & Reserves, Reg ARMY, ARMY NG (AL)
USAF & Reserves, Reg ARMY, ARMY NG (AL)
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Re: 154 fuel bowl assembly troubles
The thread, where the sediment bowl screws into the tank, is 3/8 taper pipe thread. Some folks will eliminate the bowl assy. by using a combination of 3/8 pipe nipples, maybe a street el, 3/8 ball valve and 3/8 x 5/16 hose barb connected to a gravity flow filter. From there to the carb. will vary with what is on the tractor.
- SONNY
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Re: 154 fuel bowl assembly troubles
use lapping compound on the needle and seat. --- takes a lot of time but you can eventually get them to work. ---- they will leak around the nut also and I did as John said----wrap string around the shaft, screw up the nut til leak stops and later if needed tighten up nut a bit. Works like a charm.
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Re: 154 fuel bowl assembly troubles
Do they sell new packing for under the nut?
I'm technically misunderstood at times i guess its been this way my whole life so why should it change now.
- Don McCombs
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Re: 154 fuel bowl assembly troubles
Any hardware store will have string packing that will work.
- Dale Finch
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Re: 154 fuel bowl assembly troubles
I have success with this product from Lowe's:
https://www.lowes.com/pd/Danco-Ptfe-Foam-String-Assorted/1085897
DO NOT use the graphite version...it turns to mush & makes a real mess!! BTDT !!
https://www.lowes.com/pd/Danco-Ptfe-Foam-String-Assorted/1085897
DO NOT use the graphite version...it turns to mush & makes a real mess!! BTDT !!
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Re: 154 fuel bowl assembly troubles
Gents, I REALLY appreciate all of your responses!!! Plan A - I went to the Depot and got all the brass fittings staninloweral suggested, but, unfortunately, the whole assembly is too big to fit safely, far enough away from the exhaust manifold. Plan B - I tried again to fix the seat on the old strainer that sonny suggested, to no avail. Plan C - I emailed TM Tractor parts 3 days ago asking about their strainer, per Don, but have not heard back. Plan D - fix the new strainer I bought to accept the original hard gas line. The pictures show the issue: the gas line can't be put directly into the strainer body, so there is this extra brass connector & "nut" that have flare fittings. The old hard line tubing fits into the indentation in the fitting and the original gas line nut appears to begin to thread in, but I only get 1/4 turn before it stops turning. How about if I cut off the end of the old line so it will, hopefully, snug down? If that won't work, as you can see from the pictures, the new strainer "nut" the one you put on the gas line to compress the compression fitting, is not the type to do the compression!
I hope this makes a wee bit of sense and one of ya'll can suggest Plan E
Cheers
David
I hope this makes a wee bit of sense and one of ya'll can suggest Plan E
Cheers
David
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Re: 154 fuel bowl assembly troubles
Does the nut stop after 1/4 turn because the old tubing is bottoming out in the indentation? I would not cut off the entire end of the tubing. Would cutting off part of it solve the problem?
Have you verified that the threads on the old nut match the threads on the new nut?
Have you verified that the threads on the old nut match the threads on the new nut?
- Don McCombs
- Team Cub Mentor
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- Joined: Mon Feb 03, 2003 6:45 am
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- Tractors Owned: "1950 Something" Farmall Cub
1957 Farmall Cub w/FH
1977 International Cub w/FH
1978 International Cub
1948 Farmall Super A - Circle of Safety: Y
- Location: MD, Deep Creek Lake
Re: 154 fuel bowl assembly troubles
You are better off calling TM Tractor Parts rather than emailing them.
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- 10+ Years
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- Tractors Owned: Cubs: (3)'49's, (1 is for parts), (1)'57 IH Cub LoBoy w/FH, (2)154 Number Series Loboys, (1 is for parts), '76 Longstripe w/FH, Mowers: C-22, Bush Hog 412, Pennington 59, Woods RM42CF, Woods 42, assorted FCub plows, planters, discs, etc. OTHERS: '49 AC B & Ind. Sickle mower, '61 AC D12 Ser 2, '52 8N, '56 Ferguson 35 Deluxe, '47 & '49 Avery V, '53 MM BG (offset), '51 JD M (regular), '56 JD 420C, with Blade and fire plow, '85 JD 850 (Yanmar) w/72" belly mower, '76? Yanmar 2TR15 1500 & Bush Hog SQ42S-2 mower, '78? FORD Dexta, '86 FORD LGT14D & 48" Mower, (2)Cub Cadets & Mowers (MTD), (4) Sears Surburban's, other MTD mowers, Jeeps & other misc. "treasures"
- Circle of Safety: Y
- Location: AL (Southwest)
Re: 154 fuel bowl assembly troubles
FYI, the pic that I posted above is as installed on my 57 LoBoy. It is a close fit but works for me.
Stan in LA (lower AL)
USAF & Reserves, Reg ARMY, ARMY NG (AL)
USAF & Reserves, Reg ARMY, ARMY NG (AL)
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Re: 154 fuel bowl assembly troubles
I like the original bowl. You can stop the flow while almost sitting there. The glass bowl shows the level of water or rusty biz before it goes to the carb. The screen at the glass bowl gasket is very fine . A tiny lever. 1/4 turn and it is open or shut. It may leak while open dormant but not a drip when the engine is running. Further down, another filter, depending upon the tank condition.
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