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How to Repair Common Oven Parts The oven is an appliance used in kitchens that is used to cook food items. The heat from the oven sterilizes food items and kills the majority of microorganisms. A precise oven thermometer is a necessity for bakers of all kinds. Understanding how your oven functions will help improve your baking cooking, roasting and cooking skills. It will also help eliminate the annoying 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 make sure that the temperature of your food is in line with the temperature you've set on the control panel. As with any electronic mechanical switch or sensor it may have issues that can cause the oven to over heat or under heat, or simply not be able to maintain the temperature you've set. The oven thermostat is a small strip of two different metals joined. When exposed to heat the different metals expand and flex at different rates, making or breaking an electrical circuit. When the thermostat's metal is at the temperature you've set on your control panel, it shuts off heating element's power. As the oven cools the bimetallic strips expand to re-establish the circuit before turning on the heating element. This cycle is constantly repeated to ensure that the temperature remains constant in your oven. You'll need the oven disconnected and all screws removed to diagnose a thermostat problem. If you own a multimeter (which is a device that analyzes the electrical current) set it 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 does not detect anything then the thermostat is not working properly. It needs to be replaced. Cooker Spare Parts recommends that you replace the thermostat with a new one of the same kind as the one you have. They can be purchased on the internet or in a kitchen goods store, and can be bought at a reasonable cost. Bake Element Ovens are not complete without the bake element which is the element that heats up to help your oven cook food. It's a simple element that converts electricity into high temperatures for baking, roasting, and broiling. Heating elements are typically found in electric ovens and ranges, and they can be either covered or concealed under the floor of the oven. In general, oven heating elements are constructed from high-resistance materials like nickel-chromium alloy. They work by converting electricity into heat via resistance. This heat is then radiated through the oven's interior to achieve the temperature required for cooking different types foods. When you switch on your oven, the heating element begins to work by generating heat by the high-voltage electricity flowing across its metal surface. When electricity is flowing through it the element is heated. The element will glow red hot when it reaches the desired temperature. The baked element is the primary source of heat in most oven functions. It's usually located in the bottom of the oven, and is used to perform the self-cleaning function in many automatic oven models. If it starts to burn out you may find that your oven isn't able to preheat as quickly or that your food isn't cooked through completely. Plug your multimeter in to its red and black ports. Then, touch the probes made of metal on one side of the element to each other. Set the other end of the probe against one of its terminals and put your hand on it to test whether the element is warm to the touch. If not, remove it and try again. Broil Element The broil element, usually located on the top of your cavity provides high temperatures to brown or char foods. The broil setting in your oven is an excellent choice for quickly searing meat, crisping vegetables, reheating lasagna or caramelizing the top of the casserole. The broiler heating element is similar to the bake element in that it converts electrical energy by resistance into heat. It is comprised of an inner core of metal wires wrapped in insulating perlite material. The inner core is wrapped in an outer layer of stainless steel, which protects the wires from direct contact with the oven. The three-layer design helps lower the temperature of the broil element, making it safer than the older models. While you may use any baking or broiling heating element in your oven, you should select one that is compatible with the rated wattage of your oven. A different wattage can cause damage to your oven or cause it overheat. You can determine the wattage of your oven and the rating of the new heating element by examining their current and voltage ratings on the oven's control panel. You should also check the resistance of your old element and compare it with the wattage of your new broiler heating element. The greater the resistance of an oven element, the greater power it draws from it. If your broiler's heating element is malfunctioning or isn't working in any way, you should replace it right away. Your oven must work properly for you to to cook your favourite meals. If your oven doesn't work in any way, or just intermittently then the problem may be a problem with a different component. Light Bulb and Assembly The light allows you to keep an eye on your food as it cooks, without opening the door and let the heat escape. The light also alerts you when the casserole is ready. But it's not uncommon for the light to go out. This can be frustrating however, it's an easy repair that you can accomplish yourself. Before you start, make sure that the breaker hasn't been tripped and that the three-prong connector remains intact. Remove the old bulb, and then look for the new bulb. You may need to search the internet for a replacement that matches the wattage and type of your oven. Some appliances use standard 40-watt bulbs, while others require a halogen bulb up to 50 watts. Be aware that the oil from your hands can damage the bulb, so it is recommended to use cotton gloves when handling it. Before you put the new bulb into place You must first remove it from its glass casing. It's crucial to do this slowly so that you don't damage it. You'll then need to remove the air from the bulb and replace it with an appropriate mixture. This will provide a longer life for the filament. If your bulb keeps going out, it could be an electrical issue that requires a professional to fix. Be sure to double check that you're using a correct bulb for your oven and consult your Use and Care Guide for more troubleshooting advice. And remember that it's always an excellent idea to unplug your oven and disconnect it from the outlet prior to you start any repair. This will help prevent getting an electric shock. Vent Tube The vent tube is a vital oven part that allows for a small airflow inside the cavity. This allows the bake-element to circulate heat throughout the oven, ensuring that the temperature is evenly distributed. It also allows the vapors escape from the oven and smoke to be drawn from the cooking surface. It is vital for the proper functioning of any gas or electric oven. Oven vent tubes may become clogged by many factors. Accidental spills or splatters while cooking can leave sticky residues on oven vents, which attract dust and other debris which can lead to obstructions or blockages in the course of time. Grease and oil particles can become airborne and settle on the vents, as well. Other environmental factors such as kitchen and construction work can cause dust to enter the vents. hop over to this website can cause clogs. Based on the model of the oven, the vent tube can comprise a spreader 46 and the fill tip 12, and a bottle guide 20 that are incorporated into the pipe 32. The bottle guide 20 can have a tapered outer edge that complements the tapered inner edge of the spreader to allow the vent tubes to be placed smoothly into different sizes and shapes bottle necks. A clogged or blocked vent tube can result in the loss of pressure inside the structure that surrounds it, which can create a downdraft situation that pulls exhaust down the vent and backwards through the oven's burners, causing damage to the oven's components. If hob believe that the vent tube in your oven is clogged or blocked, consult an expert for assistance. They will determine the cause and make recommendations on how to clean or clean the vent.