How to Repair Common Oven Parts The oven is a kitchen appliance that is typically used to cook food. ovens and hobs of the oven sterilizes food and kills the majority of microorganisms. All bakers need an accurate oven thermometer. Knowing how your oven functions will help improve your baking, roasting and cooking skills. It can also help you avoid those hot spots that can ruin cakes, cookies and baked products. Thermostat The thermostat is one of the most vital components of your oven, assisting to ensure that the temperature of your food matches what you've set on your control panel. Unfortunately, like any other electronic mechanical switch or sensor it can have issues that result in the oven going over or under heat, or simply not be able to keep the temperature you've set. The oven thermostat is basically an extremely small strip of two different metals that are bonded together. When exposed to heat the different metals expand and flex at different rates, creating or breaking an electrical circuit. When the thermostat's metal is at the temperature you've set on your control panel it turns off the heating element's power. As the oven cools it expands the bimetallic strip in a circuit, re-establishing it and turning on the heating element. This cycle is repeated continuously to maintain a constant oven temperature. To diagnose a issue with the thermostat, you'll need to unplug the oven and make sure that all of the screws that hold it in place have been removed. Set your multimeter to the Ohms setting and then test the thermostat. If the multimeter shows zero or close to zero the thermostat is operating properly and doesn't need to be changed. If the multimeter isn't reading anything at all, then the thermostat is faulty and requires replacement. Cooker Spare Parts recommends that you replace the thermostat with a new one of the same kind as your old one. The thermostats are available for purchase at a reasonable cost online or in a kitchen products shop. Bake Element Ovens aren't complete without the bake element, which provides heat to make your oven cook food. It's a simple element that converts electricity into high temperatures for baking, roasting and broiling. Heating elements are usually found in electric ranges and ovens and are either covered or concealed under the oven's floor. In general oven heating elements are made up of high-resistance metals such as nickel-chromium. They convert electrical energy into heat by the process of resistance which radiates outwards into the oven's interior to raise the temperature to the desired temperature to cook different kinds of food. When you switch on your oven, the heating element begins to produce heat through the high-voltage electricity moving across its metal surface. When the electric current flows through it, the element heats up. The element will turn red hot when it is at the desired temperature. The baked element is the main source of heat in most oven functions. It's usually located at the in the bottom of the oven. Many automatic oven models also have it for self-cleaning. You may notice that the oven does not heat up as quickly, or that your food isn't fully cooked. To check for a working oven baking element plug your multimeter into its red and black ports, then rub the probes made of steel against each other on one side of your element. Place the other end of the element against one terminal and place your hand on it. If the element feels warm, remove it and test it again. If not, take it off and try again. Broil Element The broil element, usually found at the top of your cavity provides high heat to brown or char the food. The broil setting of your oven is an excellent choice for quickly searing meat, crisping vegetables, reheating lasagna or caramelizing the top of a casserole. Similar to the bake element the broiler heating element transforms electrical energy into heat via the process of resistance. It is comprised of an inner core made up of wires made of metal, encased in an insulating expanded product called perlite. The inner core is then encased in an outer layer of stainless steel to protect the wires from direct contact with the oven. The three-layer design can help lower the temperature of the broil element, making it more secure than older styles. You can use any heating element for baking or broiling in your oven. But, you must choose one that is in line with your oven's rated wattage. Utilizing a different wattage may harm your oven or cause it to overheat. You can check the wattage of your oven and the rating of the new heating element by examining their voltage and current ratings on the oven's control panel. Check the resistance of the previous element, and then compare it to the wattage rating of the new one. The higher the resistance of an oven element, the greater power it draws from it. If your broiler's heating element is not working or functions at all, you should replace it as soon as possible. Your oven must function properly for you to be able to cook your favourite meals. If, however, your oven isn't functioning in any way or only intermittently, the issue could lie with another part of your oven. Light Bulb and Assembly The light lets you keep an eye on your food as it cooks without opening the door and let heat escape. The light also lets you know when your casserole is ready. It's not unusual for the bulb to go. It can be a hassle, but you can do it yourself. Before you start, make sure that the breaker isn't tripped and that the three-prong connector is intact. Remove the old bulb and then look for the new bulb. You may need to search the internet for the right replacement bulb that is compatible with the wattage of your oven. Some ovens use standard 40-watt appliance bulbs and others require halogen bulbs up to 50 watts. Be aware that the oil in your hands can damage the bulb, so consider using cotton gloves when handling it. Before putting the new bulb into place, you should first remove it from its glass casing. oven and hob should do slowly to avoid breaking it. Then, you'll need to evacuate the air inside the bulb and fill it up with a mixture of gases. This will prolong the lifespan for the filament. If your bulb is always blinking it could be an electrical issue that requires a professional to fix. Verify that you're using the correct oven bulb and look over your Use and Care Guide for additional troubleshooting tips. Also, remember that it's a good idea to unplug your oven and disconnect the power from the outlet before you start any repair. This will prevent you from getting an electric shock. Vent Tube The vent tube is an important oven component that allows for a tiny airflow inside the cavity. This allows the bake element to circulate heat throughout the oven and ensures that the temperature is evenly distributed. It also allows vapors from the oven to escape and also allows smoke to be drained away from the cooking surface. It is crucial for the proper operation of any electric or gas oven. Vents for ovens can become clogged or blocked by several reasons. Accidental spills and splatters from cooking can leave sticky residues on oven vents, which can attract dust and other particles which can lead to blockages or clogs over time. Grease and oil can also become airborne, and settle around vents. Other environmental factors, like kitchen renovations and construction work can introduce dust or other contaminants into the vents, leading to obstructions or clogs. Based on the type of the oven, the vent tube can comprise a spreader 46 and a fill tip 12, and a bottle guide 20 that are integrally formed into the pipe 32. The bottle guide 20 could have a tapered outer edge that complements the tapered inside edge of the spreader. This allows the vent tubes to be placed effortlessly into various sizes and shapes bottle necks. A clogged or blocked vent tube can cause an increase in pressure within the enclosing structure. This can create a downdraft situation which pulls exhaust down vent and backwards towards the oven's burners, causing damage to the oven components. If you think that your vent tube is clogged or blocked, call an expert for assistance. They will identify the issue and give suggestions for clearing or cleaning the vent.
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