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How to Repair Common Oven Parts Oven is an appliance in the kitchen that is used to cook food. The heat generated by the oven sterilizes food and kills the majority of microorganisms. All bakers require an accurate oven thermometer. Understanding how your oven works can help you improve your baking and roasting skills, and eliminate those annoying hot spots that can cause havoc with cakes, cookies and other baked goods. Thermostat The thermostat is an essential element of your oven. It helps to ensure that the temperature of food corresponds to the temperature you have set on the control panel. It can be problematic as is any other switch or sensor that is electro-mechanical. hobs uk may overheat or underheat, or simply not keep the temperature you set. The oven thermostat is an extremely small strip of two different metals that are bonded together. When heated the various metals expand and contract at different rates, creating or breaking an electrical circuit. When the metal in your thermostat reaches the temperature you have set on the control panel it will shut off heating element's power. As the oven cools the bimetallic strips expand to re-establish the circuit before turning on heating element. This cycle continues for a long time to maintain a constant oven temperature. The oven must be disconnected and all screws removed to identify the issue with the thermostat. Set your multimeter to the Ohms setting and then test the thermostat. If the multimeter reads 0 or very close to it then the thermostat is operating properly and doesn't require to be replaced. If the multimeter isn't reading anything at all, then the thermostat is not working properly and needs to be replaced. Cooker Spare Parts suggests that you replace your thermostat with a similar model as the one you have. They can be purchased online or at the kitchen store, and are available at a reasonable price. Bake Element Ovens aren't complete without the bake element which is the element that heats up to help your oven cook food. It's a small component that transforms electricity into the high temperatures required for baking, roasting and broiling. Heating elements are commonly found in electric ranges and ovens and are covered or hidden beneath the oven's floor. In general oven heating elements are made up of high-resistance materials like nickel-chromium. They convert electrical energy into heat via the process of resistance which radiates outwards into the oven interior to raise the temperature to the desired degree to cook different kinds of food. When you turn on your oven the heating element gets to produce heat by the high-voltage electricity that flows across its metallic surface. When electricity is flowing through it, the element heats up. When the element reaches its temperature it starts to glow red hot. The baked element is the main source of heat used in most oven functions. It's usually located in the bottom of the oven, and is used for the self-cleaning feature in a variety of ovens that are automatic. You may notice that the oven doesn't warm up as quickly or that your food hasn't cooked completely. Plug your multimeter in to its red and black ports. Then, you can press the metal probes on one end of the element to each other. Set the other end of the probe against one of its terminals, and then place your hands on it to feel whether the element is warm to the contact. If it's not, take off the element and start testing again. Broil Element The broil element is typically located in the top of the oven and can provide high-temperature heat similar to a grill to cook or brown food. Broil settings in ovens are an excellent way to quickly grill meat, crisp vegetables, reheat lasagna or caramelize the topping of a casserole. The broiler heating element is similar to the bake element in that it converts electrical energy by resistance into heat. It is made up of an inner core comprised of metal wires, which are wrapped in an insulating expanded product called perlite. The inner core of the element is then covered with a stainless steel outer layer to protect the wires against direct contact with the oven. The three-layer structure helps lower the broil element's temperature, making it safer and more efficient than the older designs of elements. You can use any heating element to bake or broiling in your oven. But, you must choose one that is in line with the wattage of your oven's rating. Using a different wattage can cause damage to your oven or cause it to overheat. The voltage and current ratings of the new heating elements can be found on the control panel of your oven. This will allow you to check the power and rating of your oven. Check the resistance of the old element, and then compare it to the wattage rating of the new element. The higher the resistance of an oven element, the more power it uses. Replace your broiler element immediately if it is not working or if it is acting up. It is crucial for your oven to function correctly to be able to cook all your favorite foods. If your oven doesn't work at all, or only intermittently then the problem may be a problem with a different component. Light Bulb and Assembly The oven light helps keep an eye on your food while it cooks without having to open 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 die. It can be a hassle, but it's a relatively easy fix you can do yourself. Check that the breaker is not tripped, and that the connector has three prongs. First, remove the old light bulb and find the new one. It is possible to search online to find a replacement that matches the wattage and type of oven you have. Some use standard 40-watt appliance bulbs, while others require a halogen bulb up to 50 watts. You should consider using cotton gloves to protect the halogen bulbs from damage caused by oil. Before you place the new bulb in place, you should first take it out of its glass casing. It is important to do this slowly so that you don't break it. You'll then need to remove the air from the bulb and replace it with the mixture. This will extend the lifespan for the filament. If your bulb keeps blinking, it could be a wider electrical issue that should be addressed by an expert. Make sure you double-check that you're using the right bulb for your oven and consult your Use and Care Guide for more troubleshooting tips. Make sure to unplug the oven and turn off the power before beginning any repairs. This will help protect your from electrical shock. Vent Tube The vent tube is an important oven component that allows for a small airflow inside the cavity. This allows the bake element to circulate heat around the oven, ensuring that the temperature is evenly distributed. It also allows the vapors that are released from the oven to escape and allows smoke to be drawn away from the cooking surface. It is crucial for the efficient operation of any gas or electric oven. Oven vent tubes may become blocked due to various reasons. Accidental spills or splatters while cooking can leave sticky residues on the oven vents, which draw dust and other debris that could eventually cause clogs or blockages over time. Grease and oil particles may become airborne and settle around the vents, as well. Other environmental factors, like kitchen and construction work can create dust in the vents. This can lead to clogs. Based on the oven model, the vent tube may comprise a bottle guide 20 and spreader 46, as well as fill tip 12 that are constructed with the pipe 32. The bottle guide 20 could have a tapered outer edge that matches the tapered inside edge of the spreader, allowing the vent tubes to slide easily into different sizes and shapes of bottle necks. A clogged or blocked vent tube can result in the loss of pressure inside the enclosing structure. This can create a downdraft situation which pulls exhaust down vent and backwards towards the oven burners, causing damage to oven components. Consult a professional if think your vent pipe may be clogged or blocked. They will determine the cause and offer suggestions for removing or cleaning the vent.
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