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Gas lines are took apart

Need pictures and fitting sizes to gas flow lines

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Why are line took apart ?

Posted on Jan 19, 2013


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Posted on Jan 02, 2017

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SOURCE: can't get the gas valve to release fuel when

Possible bad gas valve. When a gas valve fails it fails in the closed position. If you cannot get gas out of the pilot light chances are gas valve is bad. Call a service tech for freee estimate. Rus

Posted on Nov 17, 2009

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What diameter is the dryer side service connection? The gas connection on the dryer.

The gas inlet line to this dryer appears to be a male 1/2" "NPT" or "National Pipe Taper" fitting. You will need a 1/2" female NPT x by 1/2" flare fitting to connect a 1/2" flexible stainless steel gas line to the dryer. a 1/2" gas service line is sufficient to provide enough gas to the appliance.

You will need to determine what size the gas line and valve is at the gas valve service connection as well (the line and valve coming out of the wall or floor). They are usually 1/2" npt but can be 3/4" as well and may require a different size pipe and flare fitting.

Some jurisdictions may also re an "excess flow valve" to be installed. The service valve should be within 6 feet of the appliance.

Jul 25, 2015 | Maytag MDG7600AW Gas Dryer

1 Answer

How do i eliminate moisture from an underground,natural gas galvanized gas line. I have no gas flow to my garage or my 75k garage heater.

Check on the local codes governing gas piping, but it would be my suggestion to consider abandoning the existing line IF you are sure there is a compromise to its integrity allowing water to enter. I would think if water ENTERS...then GAS has to be able to excape. It'd be a lot of condensation that's required to either just block the line or freeze and block the line. If it freezes due to lack of depth, it's going to rupture anyway sooner or later necessitating replacement.

At the above ground location before where it goes subterranean, (after checking the codes), consider installing the appropriate brass fittings to then allow a new underground copper line to be installed by attaching by means of an iron pipe to flare adapter in the appropriate size. Then utilize type L soft roll copper to lay in the new trench to the garage and tie it into the existing line inside the wall. Type L is the thick walled soft tubing and can be used in many locations for gas, whereas Type M soft copper tubing is thin walled tubing for use with water and not gases. Your area may not allow it. That's what building inspectors are for.

Before proceeding, MAKE SURE your line is in fact the problem then double check with a local authority whether or not copper materials are recommended along with brass fittings for the connections. IF the original and suspected problematic gas line is for sure GALVANIZED it is not in any way approved for use with natural gas. It is probably black iron pipe.

Jan 03, 2015 | Heating & Cooling

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Not getting gas into carb. Took carb apart cleaned

Sounds like you are out of gas. Was it running when you did the carb overhaul and then just not now?? Could you have twisted or pinched the fuel line??

Sep 15, 2014 | Motorcycles

1 Answer

Where gas lines go

Normal setup is as follows...

The 3 spots on the carb are not all for fuel...the centre one is...the others are vents and are usually fitted with a short hose just to keep water out. T he fuel line goes to the bigger of the tap fittings.

The fitting on the necks are usually capped off apart from the one on number 2 which connects to the smaller tap fitting to provide a vacuum to the diaphram, allowing fuel to flow.

Sep 12, 2012 | 1989 Yamaha YX 600 Radian

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I Took apart fuel system...line from gas tank , line from oil reservoir, fuel pump, fuel filter and line to carbueretor. My fuel pump has 3 nipples. two have arrows showing directional flow, the other is...

The one with the "P" should go to the crankcase "oil Reservoir".
The arrows point to fuel flow from tank to the carb. Generally, the nipple closest to the tank is the feed from the tank to the fuel pump. the other goes to the carb. The fuel filter goes in the line between the fuel pump and the carb. Also check to see if there is an arrow on the fuel filter, if so, it should also point in the direction of flow to the carb.

Sep 20, 2011 | Craftsman 42 in. Deck 19.5hp Lawn Tractor

1 Answer

Panel won't hold a flame

this could have to do with the main gas feeds to the ceramic panels . they might be obstructed with a spider web or dirt,foriegn material etc.
easiest fix is to take a air compresser with a blow gun tip and blow out ant foriegn material or spider webs from the gas feed pipes to
the ceramic burners.
the gas feed pipes have large air induction holes that a small blow gun can fit its nozzle into to blow out the gas feed pipes without
having to disassemble them.
that is a big time & work saver.
I took my gas feed lines to the ceramic burners all apart, only to get out a spider web that i could have blown out with compressed air and saved myself 2 hours work.

anything inside the gas feed pipes to the ceramic burners will result in dark spots or the panels not staying lite, irratic burning
or no burning at all.
the gas needs to be able to get through unimpeded at proper flow and proper pressure for proper burning.
a spider web will mess up proper gas flow. some gas, but not enough gas will get through and ceramic wont burn well and might not hold a flame.

clean out the foriegn material from the ceramic gas feed lines.

Rare posibility,if the gas behind the ceramic element escapes around the edges of the ceramic, through a bad seal of the gasket,
this also will stop the ceramic from burning well.

mr heater is not made for easy diaassembly so try not to do more work than you have to.

use compressed air rather than taking mr heater all apart to clean out a gas feed pipe.

Mar 26, 2011 | Mr. Heater Big Buddy Heater

1 Answer

Have had my GS 850 since new in 79. last yr for the winter drained gas and took the little diafram apart that connects to the gas tank, It only allowed the gas to flow in prime or reserve, and of coarse...

It ussually goes together 2 ways. If one is wrong try the other.
Done this before, you can get the handle backwards therefore reversing the flow of the valve, just try again.
Good to see someone trying to fix it themselves, hang in there.

Apr 01, 2010 | 1980 Suzuki GS 750 L

1 Answer

Fuel Lines - 25cc Craftman weedwacker

Your Craftsman Trimmer/weedwacker:!retrieve.pd?modelNumber=358795591+&pathTaken=partSearch

Best Poulan Engine Match (probably real manufacturer):

My decisions are being driven by my experience with Poulan chainsaws. Small hose in tank (long enough to reach all corners), filter on bottom, connects to lowest connection on carburetor. Small hose on upper carburetor connection to small fitting on primer. Large hose from large connection on primer through largest tank hole, roughly mid tank long. nothing on bottom. I suggest you leave the 2 connections on the carburetor long enough they can be swapped (just in case) then try it. if no go swap them.

Typical fuel system and a suggestion or two:

This is how I would configure it if a chainsaw, doubtful they would do something completely different. In defense of Jerry, he knows how it should be done, clarity of instruction could use some help. Good Luck. HTH

Feb 24, 2010 | Craftsman 25cc Gas Line Trimmer

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Can't get the gas valve to release fuel when trying to light the pilot. took apart the line and there is gas, but the valve won't release when I press the plunger in. coleman trailer furnace was turned off...

Possible bad gas valve. When a gas valve fails it fails in the closed position. If you cannot get gas out of the pilot light chances are gas valve is bad. Call a service tech for freee estimate. Rus

Nov 17, 2009 | Heating & Cooling

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