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Pressure relief valve keeps blowing off at 150 psi releasing all the air

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  • kittkittyx2 Sep 20, 2009

    WE tried some of the things you mentioned, we are gonna give it one last try from your suggestions.
    Thanks!! Brians air compressor.

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Now you have this under trouble shooting for microwave ovens?!? I assume we are dealing with an air compressor correct? The air compressor has a device on it that will shut off the compressor motor after it reaches a certain pressure. It is usually located where you switch the compressor on. It will have a cover and it may state on the cover do not remove or make adjustments. These do not usually go out of adjustment. So it could be your relief valve spring tension is going bad or the compressor is not shutting off and the relief valve is working properly. I would start by trying to adjust the cut-off pressure of the compressor. No what direction you turn the screw will determine if it raises or lowers the cut-off pressure. Try one way in small turns then go the other way. If turning the screw does not make a difference and the compressor does not shut off then the cut-off switch is bad. There will be a copper tube that goes to the switch. This tube is what sends the pressure to the switch so it can sense when to shut off the compressor motor. If this tube is restricted with debris,water ect that can play a factor. With the compressor off and vacated of air pressure remove the tubing and make sure it is clear and is getting air flow. It might just that the pressure switch is stuck. Check for any debris and proper movement of the cut-off switch. Pressure relief valves can start going bad. If your compressor is rated at 175Psi and it is going off at 150psi then I would replace the pressure relief valve. If rated at 150psi and it is releasing at 150psi the switch probably just needs some adjustement or replacement. Let me know if you need more assistance.

Posted on Sep 20, 2009

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Hello,
Rule number one, BAIT IT FIRST!
Rule number two, always keep your fingers out of the line of fire.

When you are looking at the trap, it is sprung. That is, the mechanism is tripped, and the spring has flipped the bar to the "catch" position. You'll see the bar and spring. Look, and you will see another, single bar, connected on one end to the trap, with the other end loose. This is the trigger release bar. If you look at the bait tray, you'll see a place where the metal is pushed out on the side. This is the trigger. Here's how it works: You fold the spring bar over the bait pan, and hold it tight against the base, keeping your fingers out of the way (see rules 1& 2 above). While holding the spring bar down, use your other hand to bring the trigger release bar over the spring bar and to the bait tray. The end of the bar rests under the notch on the bait tray. As you are setting the bar, you'll slightly reduce your pressure on the spring bar. This pushes the release bar tighter against the notch. When the bar is in place in the notch, the trap is armed. When the mouse is tugging at the bait, the bait pan will shift and release the trigger release bar. It flips backwards, releasing the spring bar, which then catches the mouse.
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Jun 02, 2011 | Microwave Ovens

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I bought a refubished pressure cooker there is something funny the presure release device sits to loosely on top I wonder if its broke? Or where can I get a new pressure release device to replace this...


It should rattle if it is a pressure cooker This item will be round and should have a hole
in it. steam will escape from this hole as its cooking and it will rattle. It is a weight.

If it is a pressure canner it will have two items,
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lid in place such as mine has.

Wikipedia has a nice treatise on pressure canners as a reference.
hope this helps.

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1 Answer

Prestige Automatic pressure cooker Instruction


You really need the instruction manual for this model to provide you with full information on how to work it, however the recipes will probably be the same as printed in any other Prestige PC that works at 15/10/5 psi.

I have a copy of a 12 page brochure entitled 'Pressure Cooking - The Fact and the Fiction' that Prestige produced when this model was first introduced. In there there is one page of instructions and illustrations devoted to the Automatic. This gives the following four steps :

1. Put your ingredients in - and the liquid.

2. Secure the lid and set the switch. Turn heat up full.

3. When pressure is reached, set timer, move switch to AUTO, lower the heat.

4. When the bell rings, turn heat off - cooker will release steam automatically. Open and serve.

Hope that this helps.

Alan Vickers.

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1 Answer

Cook's Essential pressure cooker missing the pressure relief knob the one that bobs with cooking. How does one ID the manufacture?


Was able to find an on-line Instruction Manual for the Cook's Essentials EPC460 and EPC450 pressure cookers:

http://www.qvc.com/cd/pdf/K14957_Manual.pdf

On the last page the distributor is identified as Tristar Products:

http://www.tristarproductsinc.com/customer/cs.html

Tristar is now distributing the Montel Williams Pressure Cooker and is no longer listing the Cook's Essentials products.

Suggest you try the Customer Service of Tristar by contacting them directly to see if the can advise on a parts supplier.

Second choice would be to see if a part supplied for similar product might be a substitute. Several brands have parts available through this supplier:

http://www.abtecparts.com/pressure_cookers_and_canners.htm

You could also try making an inquiry through this supplier to see if they can locate the part or recommend a substitute.

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1 Answer

I have a belling range gas cooker, i have just changed the thermo couple but now the gas is not coming through as much as it should, the relaese of gas is normally fast and you are able to hear it but now...


There is no reason why the gas level has dropped after the thermocouple was changed but the ONLY reason can be an accidental fault in the fitting or refitting.
So go over the same job and check from the gas line, the regulator and the burner. Use a good air jet to blow the passage clean. make sure there is good contact of the burner to the base for a good fuel mix.
check if there was any restriction inthe gas flow when the fitting was done. The fault can be only here, remove gas and use a air pressure to check the flow line, clean and set back.

Sep 18, 2010 | Microwave Ovens

1 Answer

My 15 year-old RHEEM Warrior Model 71-40S forty gallon electric water heater is leaking, and the element also needs replaced. I am thinking it is likely time to get a new, energy-efficient model versus...


Rheem makes great products. Lowe's sells whirlpool brand and they are not all that bad for the money. I would buy something better than the budget 7 year warranty model though. My preferred choice is AO Smith. I would definitely replace your water heater if it is 15 years old- most don't go much longer than that, although mine is 27 years old and going strong! Please remember to make sure and extend your pressure relief valve down to within 6 inches of the floor when replacing the water heater as Code requires. A water heater blanket will also earn its keep in a short amount of time.

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1 Answer

My kenmore he3t washer sometimes fills with water when off.


This can happen if the water inlet valve begins to go bad. The valve has electronic controlled solenoids that open and close to turn the water source on or off. These solenoids go bad from time to time, or the diaphragm inside the valve becomes clogged with sediment and does not close properly.

Another cause can be the pressure switch malfunctioning. The pressure switch determines the water level inside the wash tub and shuts off the water inlet valve when the appropriate level is reached.

Any easy way to determine WHICH component may be causing the problem is the leave the water source turned ON and unplug the washer. If the leak continues, the problem is the water inlet valve. If the leak stops, the problem is the pressure switch.

To access either component, you need to remove the top panel of the washer. Locate the three screws that hold the top panel in place and remove. With the screws removed, the panel will slide back, then lift off. The water inlet valve will be loacted in the left rear of the washer (as viewed from the front). The pressure switch will be in the rear on the right.

To replace the water inlet valve, follow these steps:

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3. With the top panel removed, disconnect the dispenser hose(s) and electrical connections to the valve.

4. Remove any mounting screws holding the valve in place and reinstall with a replacement valve.

The pressure switch is even easier. One connector plug and an air hose is the only thing attached to the switch. The switch is usually snapped in place along the interior cabinet wall with no screws holding it in place.

Replacement parts can be purchased on line at any of the following websites:

searspartsdirect.com
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appliancepartspros.com
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All these sites offer great service with competitive pricing, so shop and compare. The first three sites on the list also include helpful exploded view diagrams of your washer to help with locating parts and assembly.

I hope I've given you enough ideas to work with in narrowing down the cause of your symptoms. This is generally a very simple repair, that isn't very expensive. If you have any questions, or require additional assistance, please let me know. I hope this helps you.

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1 Answer

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