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Daveb1972

Member Since 07 Feb 2012
Offline Last Active Jul 23 2014 08:40 AM

Topics I've Started

Seasonal equipment advice

19 March 2013 - 08:42 AM

This area (upstate NY) has a BIG problem with ethanol in fuel. The ethanol will separate from the gasoline as it ingests moisture and fall out of solution with the gasoline. The end result is low octane fuel, and a layer of water in the tank. Failure to deal with this will guarantee starting issues in the fall. There are 2 popular ways of dealing with this issue, first is to avoid fuel containing ethanol (very difficult to do) or add a stabilizer that has an enzyme that is supposed to maintain the miscibility of the ethanol in gasoline.

 

Gasoline that uses ethanol is made to a lower octane rating and the ethanol raises the octane level. When the ethanol absorbs water (which it loves to do, think dry gas) then goes through a significant temperature swing (seasonal changes) the ethanol/water blend falls to the bottom of the tank and is often the first thing picked up by the carb. The majority of old style stabilizers only dealt with the gasoline evaporative issues (“light ends” or the main volatile component of gas evaporates readily) leaving a varnish like substance. The “new fuels” don’t survive long enough for this problem to manifest.

 

The water that sits in the bottom of the tank can rot steel tanks, and will foul carbs when it sits in the fuel bowl.

 

My advice is:

Treat ALL seasonal fuels with  Star-Tron, or similar ethanol treatments.

 

Purchase only enough fuel for the season, and treat every batch

           (you never know when the last seasonal use is going to be)

           Treating all the fuel ensures the treated stuff is IN the whole fuel system.

               

Using a flashlight look into the fuel tanks and see if separation has occurred,

           If it has, dispose of the fuel, it isn’t useable. You can dispose of small (less than 2 gallons) in your car, if you

           have a mostly full tank.

 

Drain fuel bowls when possible, and use fuel shutoffs to empty fuel bowls (shut off fuel and run till stall)

            This can reduce the amount of muck that will deposit in the jet.

 

If you have contaminated fuel, and the machine won’t start, or seems under powered, remove the fuel, and replace

             with fresh treated fuel, including the fuel bowl. If that doesn’t fix it, you will need to have the carb serviced

             replacement needle and seat kits, are available, lets can often be cleaned, DO NOT ADJUST MIXTURES,

             they are set by the factory, and adjustment can violate emission laws.

 

Hope this helps with ethanol understanding, please look at the many online discussions of ethanol in gasoline for more tips to deal with it. Boat owners should be particularly wary of ethanol in fuel. The ethanol can destroy fiberglass tanks as well.

 

Thanks for your attention,

 

 

Chief Apprentice Appliantologist; Apliantology.org

Dave Bradshaw

ASE certified Mechanic

Nate Certified HVAC Tech


GE electric range gives 1 free fireworks show, then retires...

13 November 2012 - 08:59 AM

Good day all!,
My GE range this morning treated my daughter to a fireworks display as she tried to broil Facon (yes I mean turkey bacon, Facon). I assume the pork gods mustve been getting revenge on her for desicrating the altar of bacon, but thats another story. The broil element failed and despite our imediate switching to off, the arc maintained for longer than I ecpected.
I have killed the power at the breaker, and grabbed mod/ser numbers, and made a quik visual check, looks like the broil element is no longer an element. My question is what is the likelyhood of the switch or board to be also damaged? I'll not get to look carefully at it till at least tonight, unless I have to run a lot of HVAC calls tonight....


Oh its a :
GE
JBP24BOB4WH
FA156332Q

LG refrigerator GM-L267BNRY

16 March 2012 - 07:29 AM

Hello all, looking for the service manual for this unit. I have a friend who's unit decided to blow the fuse, and seems ok after the replacement fuse has been installed, but I fear where one blown fuse is seen, many are near.

New Appliance Service Manual added: HM30 engineering

14 February 2012 - 04:29 PM

File Name: HM30 engineering
File Submitter: Daveb1972
File Submitted: 13 Feb 2012
File Category: Appliance Repair Manual Pot Luck Supper

This is the engineering manual for the Lennox Complete Heat HM30 system. This manual is used to plan the new installation of any units, and has some good reference information in it.

Click here to download this file

New Appliance Service Manual added: HM30 warentee flowchart

14 February 2012 - 04:29 PM

File Name: HM30 warentee flowchart
File Submitter: Daveb1972
File Submitted: 13 Feb 2012
File Category: Appliance Repair Manual Pot Luck Supper

This is the flow chart for the warentee options for the HM30 Complete Heat units.

Click here to download this file


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