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Tractor Talk Discussion Forum

Exploding Vacuum Cleaner

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tim(ny)

01-20-2005 09:43:22




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The gas outlet (to the sediment bowl) on my Super C was plugged with rust flakes etc. I dislodged them using an air nozzle with a lond snout and low pressure. That's only a temporary solution because the crud is still in the tank somewhere and will find its way to the outlet sooner or later. I thought of emptying and drying the tank, then vacuuming out the flakes; but I seem to remember something about gas fumes in a vacuum cleaner in relation to a Darwin Award. Is there a safe way that I can do this?

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oleblu

01-20-2005 18:45:40




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 Re: Exploding Vacuum Cleaner in reply to tim(ny), 01-20-2005 09:43:22  
tim, you are on the right track but don"t use a vacuum cleaner as the others have said. There is a tool that works like a vacuum cleaner but uses compressed air to create the vacuum. We use them at the tire store for taking the grindings out of a tire being repaired and it is also usefull to clean the air filter housing on most vehicles so you dont need to remove the housing from the engine. The snorkle inlet is the same size as small shop-vac hose so you if you can find more wand sections you can get to the bottom of the tank. Been there, done that. The post about stones is good but I use 1/2" nuts so I can remove them with a magnet. Most any motorcycle shop will have the coating for the inside. I use a product called Red Coat. Works great.

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oleblu

01-20-2005 18:45:17




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 Re: Exploding Vacuum Cleaner in reply to tim(ny), 01-20-2005 09:43:22  
tim, you are on the right track but don"t use a vacuum cleaner as the others have said. There is a tool that works like a vacuum cleaner but uses compressed air to create the vacuum. We use them at the tire store for taking the grindings out of a tire being repaired and it is also usefull to clean the air filter housing on most vehicles so you dont need to remove the housing from the engine. The snorkle inlet is the same size as small shop-vac hose so you if you can find more wand sections you can get to the bottom of the tank. Been there, done that. The post about stones is good but I use 1/2" nuts so I can remove them with a magnet. Most any motorcycle shop will have the coating for the inside. I use a product called Red Coat. Works great.

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oleblu

01-20-2005 18:44:51




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 Re: Exploding Vacuum Cleaner in reply to tim(ny), 01-20-2005 09:43:22  
tim, you are on the right track but don"t use a vacuum cleaner as the others have said. There is a tool that works like a vacuum cleaner but uses compressed air to create the vacuum. We use them at the tire store for taking the grindings out of a tire being repaired and it is also usefull to clean the air filter housing on most vehicles so you dont need to remove the housing from the engine. The snorkle inlet is the same size as small shop-vac hose so you if you can find more wand sections you can get to the bottom of the tank. Been there, done that. The post about stones is good but I use 1/2" nuts so I can remove them with a magnet. Most any motorcycle shop will have the coating for the inside. I use a product called Red Coat. Works great.

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Pat32rf/cf

01-20-2005 16:17:33




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 Re: Exploding Vacuum Cleaner in reply to tim(ny), 01-20-2005 09:43:22  
I have been told (by my local small engine repair shop) that they dry the rusty tanks, rattle some crushed stones around in it to loosen up remaining rust then pour ABS glue into the MT tank, roll it around so all surfaces are covered then let it dry COMPLETLY. Re-install and refill. The main cause of rusty tanks seems to be empty tanks, according to them. Has anyone tried this for themself?



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Mike (WA)

01-20-2005 12:29:46




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 Re: Exploding Vacuum Cleaner in reply to tim(ny), 01-20-2005 09:43:22  
Phil Heisey, Cockshutt guru extraordinaire, had a tip in the Cockshutt Quarterly awhile back. Drain the tank; unscrew the sediment bulb fixture from the tank and install about a 1 inch long "standpipe" in the inlet opening of the fixture, from copper tubing or something of the right outside diameter to fit into the inlet. Put it back in, and you're good to go. Rust flakes will drift toward the low point of the tank (the outlet), but will just accumulate harmlessly around the "standpipe". Run the tractor out of fuel once in awhile, and remove the sediment fixture and flush out the accumulated rust with a little gas.

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Nolan

01-21-2005 04:48:14




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 Re: Exploding Vacuum Cleaner in reply to Mike (WA), 01-20-2005 12:29:46  
It actually doesn't work very well, as anyone with a reserve position petcock can tell you. The vibration and jiggling kick up the rust and they go into the raised tube just fine.

I wish it did work, it just doesn't.



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big fred

01-20-2005 12:26:00




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 Re: Exploding Vacuum Cleaner in reply to tim(ny), 01-20-2005 09:43:22  
Any chance you could get your mother-in-law to do it?

It isn't just the sparks from the motor brushes, the airflow thru the plastic vacuum hose generates tremendous static electricity, if it discharges, you got a nice fat spark.



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Butcher

01-20-2005 10:53:14




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 Re: Exploding Vacuum Cleaner in reply to tim(ny), 01-20-2005 09:43:22  
I posted on this site seaveral years ago about a guy I work with doing just what you intend to do. Bang! I wouldnt try it. Maybe clean the tank several times, dry, and use a telescoping magnet to fish around in there to get as much as you can?



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Bus Driver

01-20-2005 10:16:09




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 Re: Exploding Vacuum Cleaner in reply to tim(ny), 01-20-2005 09:43:22  
The vacuum motor has brushes which spark while running. Many vacuums pass the air from the intake hose past the motor. This could cause an explosion. But if the tank is truly dry, blowing lots of air INTO the tank for a few minutes with all openings really open and then immediately using the vacuum should be OK. The concentration of fumes should be less than required for spark ignition. The air/fuel mix will be below the "lower explosive limit", LEL, or if it was an engine, we would say the mixture is too lean. The exhaust from the vacuum will not create an explosion if used to blow out the tank.

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VADAVE

01-20-2005 10:15:13




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 Re: Exploding Vacuum Cleaner in reply to tim(ny), 01-20-2005 09:43:22  
You do want to bew careful but I think you are on the right track. In most household vacumns the air is drawn over the motor thus over the brushes. That's the source of the sparks. I would use a vacumn where the motor drives an external fan, like most dust collection systems. Tough thing about these is that they are generally pretty big and not very portable, but if your shop doubles as a wood shop you may have one.

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dr.sportster

01-20-2005 10:07:16




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 Re: Exploding Vacuum Cleaner in reply to tim(ny), 01-20-2005 09:43:22  
Probably not without the large explosion.



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RustyFarmall

01-20-2005 09:57:43




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 Re: Exploding Vacuum Cleaner in reply to tim(ny), 01-20-2005 09:43:22  
Do not use an electric vacuum cleaner, you are right about the darwin award. Your best bet at this point would be to remove the gas tank from the tractor and thoroughly clean the tank.



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GARY CASE

01-20-2005 13:25:41




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 Re: Exploding Vacuum Cleaner in reply to RustyFarmall, 01-20-2005 09:57:43  
I AGREE WITH RUSTY,BUT WOULD GO ONE STEP MORE AND BUY THIS COATING THAT GOES IN THE TANK TO COAT AND SEAL OVER RUST HOLES ETC.. PROBALY GET IT AT AUTO ZONE NAPA. GOOD LUCK! GARY



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