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How to Repair Common Oven Parts The oven is a kitchen appliance that is typically used to cook food items. The heat from the oven sterilizes food and kills the majority of microorganisms. Every baker needs an accurate oven thermometer. Knowing how your oven functions will improve your baking, roasting and cooking skills. It will also help eliminate those hot spots that can ruin cakes, cookies and baked goods. Thermostat The thermostat is a crucial element of your oven. It assists in ensuring that the temperature of food is in line with the temperature you 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 keep the temperature at what you've set. The oven thermostat is essentially an extremely small piece of different metals joined. When heated, the metals expand or flex at different rates. This creates an electrical circuit. When the thermostat's metal is at the temperature you've set on the control panel, it shuts off heating element's power. As the oven cools down, the bimetallic strip contracts, re-establishing the circuit and turning on the heating element. This process is repeated repeatedly to ensure a constant oven temperature. It is necessary to disconnect the oven and all screws removed to identify the problem with the thermostat. If you own a multimeter (which is a device that measures the electrical current) set it to the ohms level and then test the thermostat. If the multimeter reads zero or close to zero the thermostat is operating correctly and doesn't require to be changed. If the multimeter isn't reading anything, then the thermostat is not working properly and requires replacement. Cooker Spare Parts recommends that you replace the thermostat with a fresh one of the same kind that your old one. The thermostats are sold at a reasonable price on the internet or in a kitchen products shop. Bake Element The bake element is vital to the operation of your oven. It generates heat that lets it cook food items. It's a basic component that turns electricity into the high temperatures needed for baking, roasting, and broiling. Electric ovens and ranges typically have heating elements, which can be either exposed or hidden beneath the floor. The majority of oven heating elements are constructed from high-resistance materials like nickel-chromium alloy. They work by converting electrical energy into heat via the process of resistance which then radiates throughout the oven interior to raise the temperature to the desired level to cook various types of foods. When you switch on the oven the heating elements begin to generate heat by the high-voltage current flowing across the metal surface. When electric current flows through it the element gets heated up. When the element reaches its temperature, it starts to glow red hot. The baked element is the primary source of heat used in most oven functions. It is typically located at the in the bottom of the oven. Many ovens with automatic heating also use it to clean themselves. If it starts to smoke, you might be noticing that your oven doesn't heat up as fast or that your food is not fully cooked. To determine if you have a functioning oven baking element plug your multimeter into its black and red ports, then rub the metal probes against each other on the opposite side of your element. The other end of the element against one terminal and then place your hand on it. If the element feels warm, take it off it and start testing again. If it's not, remove the element and try again. Broil Element The broil element is usually situated in the top of the oven's cavity and produces high-temperature heat similar to grills to brown or char food. The oven's broil setting is a great way to quickly cook meat, crisp vegetables, reheat lasagna, or caramelize the topping of a casserole. Similar to the bake element the broiler heating element transforms electrical energy into heat through the process of resistance. It is made up of an inner core made up of metal wires, which are wrapped in an insulating and expanded product known as perlite. The inner core of the element is covered with a stainless steel outer layer to protect the wires against direct contact with the oven. The three-layer design helps lower the temperature of the broil element, making it more secure than older designs. You can use any heating element to bake or broiling in your oven. However, it is important to choose one that is in line with the wattage that your oven is rated for. A different wattage may damage your oven, or cause it 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 examine the ratings and wattage of your oven. Check the resistance of the previous element, and compare it with the wattage rating of the new element. The greater the resistance of an oven element, the more power it uses. Replace your broiler element immediately in the event that it isn't working or is acting up. Your oven needs to function properly for you to to cook your favourite meals. However, if your oven is not working at all, or is only working intermittently, the problem could lie with another part of your oven. Light Bulb and Assembly The oven light helps keep an eye on the food cooking without opening the door and let heat escape. The light also lets you know when the casserole is ready. It's not unusual for the bulb to die. It can be quite frustrating, but you can do it yourself. Make sure that the breaker is not 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 online to find a replacement that matches the wattage and type of your oven. Some use standard 40-watt appliance bulbs, while others require a halogen bulb that is up to 50 watts. Be visit my web site that the oils from your hands can damage the halogen bulb, so you should use cotton gloves when handling it. Remove the glass casing from the bulb prior to replacing it. Do this slowly so that you don't break it. After that, you'll need to remove the air from the bulb and fill it up with a mixture of gases. This ensures a longer life for the filament. If your bulb keeps blinking it could be due to an electrical problem that requires an expert to fix it. Be sure to double check that you're using a correct bulb for your oven and check out your Use and Care Guide for additional troubleshooting suggestions. Remember that it's recommended to unplug your oven and disconnect it from the outlet prior to you start any repair. This will help protect you from electric shock. Vent Tube The vent tube is an essential oven component that permits an airflow within the cavity. This allows the bake-element to circulate heat throughout the oven, making sure that the temperature is distributed evenly. It also allows vapors to escape from the oven and smoke to be drained 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 factors. Accidental spills and splatters from cooking can leave sticky residues on oven vents, which draw dust and other debris which can lead to clogs or blockages over time. Grease and oil may also be airborne and settle on vents. Other environmental factors like kitchen and construction work can cause dust to enter the vents. This can cause clogs. Based on the oven model the vent tube could comprise an a bottle guide 20, spreader 46 and fill tip 12 that are formed with the pipe 32. For instance the bottle guide 20 might have a tapered exterior surface which is in harmony with the tapered inner surface of the spreader 46. This allows the vent tube to be easily inserted into different sizes and shapes of bottle necks. A blocked or clogged vent tube could cause an increase in pressure within the enclosing structure. This could result in a downdraft that pushes exhaust down the vent and then backwards over the oven's burners, causing damage to the oven's components. If you think that your vent tube is blocked or blocked, call an expert for assistance. They will identify the problem and offer suggestions on how to clear or clean the vent.