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How to Repair Common Oven Parts The oven is an appliance in the kitchen that is typically used to cook food items. The heat generated by the oven sterilizes food items and kills the majority of microorganisms. A precise oven thermometer is an essential for bakers of all kinds. Knowing how your oven functions will help improve your baking and roasting abilities and eliminate those frustrating hot spots that can cause havoc with cakes, cookies and other baked products. Thermostat The thermostat is one of the most crucial components of your oven, assisting to ensure that the temperature of your food matches what you've set in the control panel. As with any electronic mechanical switch or sensor it can have issues that cause the oven to over heat or under heat, or just not be able to keep the temperature at the level you've set. The oven thermostat is basically tiny strips of two different metals connected. When heated to a certain temperature, the two metals expand and bend at different rates. This creates an electrical circuit. When More about the author in the thermostat attains the temperature you've set on your control panel, it shuts off the power to the heating element. When the oven cools down, the bimetallic strip contracts, re-establishing the circuit and turning on the heating element. This cycle continues for a long time to ensure a constant oven temperature. To determine if there is a problem with the thermostat, you'll need to unplug the oven and ensure that all of the screws holding it in place have been removed. If you have 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 zero or close to zero it means that the thermostat is working correctly and doesn't require to be changed. If the multimeter doesn't read anything, the thermostat is faulty. It must be replaced. Cooker Spare Parts suggests that you replace your thermostat with a similar type as the old one. These thermostats are available at a reasonable price on the internet or in the kitchen store. Bake Element Ovens can't be complete without the bake element, which creates heat to make your oven cook food. It's an easy component that converts electricity into high temperatures for baking, roasting and broiling. Heating elements are commonly found in electric ranges and ovens, and they can be either covered or concealed under the floor of the oven. In general, oven heating elements are made from high-resistance components like nickel-chromium alloy. They work by converting electrical energy into heat using resistance. The heat then radiates through the interior of the oven to attain the temperature required to cook various types of food. When you start the oven the heating elements begin to generate heat by the high-voltage current that flows across the metal surface. When electric current flows through it, the element heats up. When the element reaches its temperature it starts to be lit up in red hot. The baked element is the main source of heat for most oven functions. It's usually located at the bottom of the oven. Many automatic oven models also utilize it for self-cleaning. You may observe that your oven doesn't heat up as quickly, or that your food hasn't fully cooked. Plug your multimeter in to its black and red ports. Then, touch the probes made of metal on one side of the element to each other. The other end should be placed against one of its terminals, and place your hand on it to test if the element is warm to the touch. If not, take it off and try again. Broil Element The broil element, which is usually located on the top of your cavity, offers high heat to cook or char foods. The broil setting in your oven is a great choice for quickly searing meat and vegetables, crisping up vegetables, warming lasagna, or making caramel on top of the 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 comprised of wires made of metal, encased in an insulating and expanded product called perlite. The inner core is then wrapped in an outer layer of stainless steel to protect the wires from direct contact with the oven. The three-layer design helps lower the temperature of the broil element, making it more secure than older styles. While you may use any heating element in your oven, you should choose one that is in line with the wattage rating of your oven. A different wattage may harm your oven, or cause it to overheat. The current and voltage ratings of the latest heating elements can be located on the control panel of your oven. This will allow you to check the power and rating of your oven. Verify the resistance of the old element, then compare it with the wattage rating of the new element. best hobs of an oven element the greater power it draws from it. Replace your broiler element immediately in the event that it isn't working or if it is acting up. It is crucial that your oven function correctly to be able to cook all your favorite foods. If your oven isn't working at all or only intermittently, the issue could lie with another part of your oven. Light Bulb and Assembly The oven light helps you keep an eye on your food cooking without having to open the door and let heat escape. The light will also let you know when the casserole is finished. It's not unusual for the light bulb to fail. It can be a hassle but it's an easy fix you can tackle yourself. Make sure that the breaker is not tripped and that the connector has three prongs. Remove the old bulb, and then look for the new bulb. It is possible to search online to find the correct replacement bulb that matches your oven's wattage. Some ovens utilize standard appliances with bulbs that are 40 watts in power some require an halogen lamp that can reach 50 watts. Be aware that the oil from your hands could damage the bulb, so consider using cotton gloves when handling it. Before putting the new bulb in it is important to first take it out of its glass casing. It is important to do slowly to avoid breaking it. Then, you'll need to remove the air from the bulb and replace it with the mixture. This will prolong the lifespan for the filament. If your bulb keeps going out, there could be a wider electrical issue that should be handled by an expert. Verify that you're using the correct oven bulb and check your Use and Care Guide to find more troubleshooting advice. And remember that it's always recommended to unplug your oven and disconnect the power from the outlet before you start any repair. This will keep you from being shocked by electricity. Vent Tube The vent tube is an important oven element because it allows for a tiny amount of airflow to be created within 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, as well as allows smoke to be drawn away from the cooking surface. It is necessary 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 during cooking can leave sticky residues on oven vents, which can attract dust and other debris which can lead to obstructions or blockages over time. Grease and oil may also become airborne and settle around vents. Other environmental factors, like kitchen renovations and construction work, can bring dust or other contaminants into the vents, leading to blockages or clogs. Based on the model of the oven the vent tube could include a spreader 46, an fill tip 12 and an a bottle guide 20 that are integrally formed into the pipe 32. The bottle guide 20 can have a tapered outer edge that matches the tapered inner edge of the spreader. This allows the vent tubes to be inserted smoothly into different sizes and shapes of bottle necks. A clogged or blocked vent tube could cause the loss of pressure inside the structure that surrounds it, which can 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 clogged or blocked, consult an expert for assistance. They will diagnose the problem and give suggestions for clearing or cleaning the vent.