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How to Repair Common Oven Parts The 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. An accurate oven thermometer is a necessity for all bakers. Knowing how your oven functions will improve your baking cooking, roasting and cooking abilities. hob and oven will also eliminate the annoying hot spots that can ruin cakes, cookies and baked products. Thermostat The thermostat is an important element of your oven. It helps to ensure that the temperature of food corresponds to the temperature you have set on the control panel. However, just like any other electro mechanical switch or sensor it can sometimes have problems that can cause the oven to over or under heat, or not be able to maintain the temperature at the level you've set. The oven thermostat is an extremely small strip of two different metals that are bonded together. When heated to a certain temperature, the two metals expand or bend at different rates. This creates an electrical circuit. When the metal in your thermostat reaches the temperature that you set on the control panel it will shut off 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 process continues to maintain a constant temperature within your oven. The oven must be disconnected and all screws removed to diagnose the issue with the thermostat. Set your multimeter to the Ohms setting and then test the thermostat. If the multimeter reads zero or close to zero it means that the thermostat is working correctly and doesn't require to be changed. If the multimeter isn't reading anything, then the thermostat is faulty and must be replaced. Cooker Spare Parts suggests that you replace your thermostat with a similar type as the previous one. These thermostats are available at a reasonable price online or in a kitchen goods shop. Bake Element Ovens aren't complete without the bake element which provides heat to make your oven cook food. It's a simple component that converts electricity into high temperatures for baking, roasting and broiling. Heating elements are usually found in electric ranges and ovens, and they can be covered or hidden beneath the floor of the oven. In general oven heating elements comprise of high-resistance metals like nickel-chromium. They work by converting electrical energy into heat through the process of resistance which then radiates through the oven interior to raise the temperature to the desired level to cook different kinds of food. When you start your oven the heating element gets to generate heat from the high-voltage electrical energy moving across its metal surface. The element is a coil or ribbon (straight or corrugated) of wire, and as the electric current flows through it, it starts to get hotter. 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 found in the bottom of the oven and is used for the self-cleaning feature in a variety of ovens that are automatic. When it begins to smoke you may find that your oven isn't able to heat up as fast or that your food is not cooked through completely. Connect your multimeter to its red and black ports. Then, you can press the metal probes on one end of the element to each other. Place the other end of the baking element against one terminal and then place your hand on it. If the element feels warm, take it off it and test it again. If not, remove it and try again. Broil Element The broil element is typically situated in the top of your oven's cavity and produces high heat like grills to brown or char food. The oven's broil setting is ideal for quick grill meat crisp vegetables, heat lasagna, or caramelize the topping of a casserole. The broiler heating element is comparable to the bake element in that it converts electrical energy via resistance into heat. It is made up of an inner core made up of wires made of metal, encased in an insulating and expanded product known as perlite. The inside of the element is then covered with a stainless steel outer layer to shield the wires from direct contact with the oven. The three-layer structure helps lower the broil element's temperature, making it more durable and safer than older types of elements. While you may use any baking or broiling heating element in your oven, make sure to choose one that is in line with the wattage rating of your oven. A different wattage may damage your oven, or cause it to overheat. You can check the power of your oven as well as the rating of the new heating element by looking at their voltage and current ratings on the control panel of your oven. Examine the resistance of your old element, then compare it to the wattage rating of the new one. The greater the resistance of an oven element the more power it uses. If the heating element in your broiler is acting up or doesn't work in any way, you should replace it right away. It's important that your oven function correctly to be able to cook all of your favorite food items. If, however, your oven is not working at all or only intermittently, the issue could be with a different part of your oven. Light Bulb and Assembly The light lets you monitor the food that is cooking without opening the door and let heat escape. The light also informs you when your casserole is ready. However, it's not uncommon for the light bulb to fail. This can be very frustrating however, it's an easy fix you can accomplish yourself. Check that the breaker isn't tripped and that the connector has three prongs. Take out the old bulb and then look for the new bulb. You may need to search the internet for a replacement bulb that matches the wattage and the type of oven you have. Some ovens use standard 40-watt appliance bulbs and others require halogen bulbs up to 50 watts. Be click the up coming document that the oil from your hands can cause damage to the bulb, so you should use cotton gloves when handling it. Remove the glass casing of the bulb before you replace it. It is important to do slowly to avoid breaking it. You'll have to remove the air from the bulb and replace it with the mixture. This will provide a longer life for the filament. If your light bulb is constantly running out, it could be an electrical issue that needs the assistance of a professional. Make sure you double-check that you're using the right bulb for your oven and check out your Use and Care Guide for additional troubleshooting suggestions. Remember to unplug the oven and turn off the power prior to beginning any repairs. This will help prevent being shocked by electricity. Vent Tube The vent tube is an important oven part as it allows a small amount of airflow to be created inside the cavity. This allows the bake-element to circulate heat throughout the oven, ensuring that the temperature is evenly distributed. It also allows vapors to escape from the oven and smoke to be drawn from the cooking surface. It is vital for the efficient operation of any electric or gas oven. Vents for ovens can become blocked or blocked due to several factors. Accidental spills and splatters from cooking can leave sticky residues on oven vents, which can attract dust and other debris that could eventually cause blockages or clogs in the course of time. Oil and grease can also be airborne and build up around vents. Other environmental factors, such as kitchen construction and renovations, can bring dust or other contaminants into the vents, resulting in clogs or blockages. Depending on the oven model, the vent tube may include a bottle guide 20, spreader 46 and fill tip 12 that are integrally constructed with the pipe 32. The bottle guide 20 can be fitted with a tapered outer edge that matches the tapered inside edge of the spreader to allow the vent tubes to be inserted effortlessly into various sizes and shapes bottle necks. A blocked or clogged vent tube can cause an increase in pressure within the enclosing structure, which can create a downdraft situation which pulls exhaust down vent and backwards through the oven's burners, causing damage to the oven components. If you suspect that your vent tube is clogged or blocked, call a professional for help. They will identify the issue and provide recommendations for removing or cleaning the vent.