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How to Repair Common Oven Parts

Ovens are a kitchen appliance that is commonly used to cook food. The heat from the oven sterilizes food and kills the majority of microorganisms.

Every baker needs an accurate oven thermometer. Understanding how your oven works will help improve your baking and roasting skills, and eliminate those annoying hot spots that cause havoc with cookies, cakes and other baked products.

Thermostat

The thermostat is a crucial component of your oven. It is used to ensure that the temperature of food corresponds to the temperature you set on the control panel. Unfortunately, like any other electronic mechanical switch or sensor it may have issues that cause the oven to over or under heat, or not be able to maintain the temperature at what you've set.

The oven thermostat is a small strip of two different metals joined. When exposed to heat, the various metals expand and contract at different rates, forming or breaking an electrical circuit. When the metal in your thermostat reaches the temperature you have set on the control panel it will turn off the heating element's power. When the oven cools down, the bimetallic strip contracts to re-establish the circuit before activating the heating element. This cycle is repeated continuously to maintain a constant oven temperature.

It is necessary to disconnect the oven and all screws removed to identify the issue 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 it the thermostat is operating properly and doesn't need to be replaced.

If the multimeter does not detect anything, the thermostat is faulty. It must be replaced. Cooker Spare Parts suggests that you replace your thermostat with one of the same type as the old one. They are available through the internet or at a kitchen goods store, and are available at a reasonable price.

Bake Element

ovens and hobs can't be complete without the bake element which creates heat to make your oven cook food. It's a simple element that converts electricity into the high temperatures required for baking, roasting, and broiling. Electric ovens and ranges often have heating elements, which are either visible or hidden beneath the floor.

The majority of oven heating elements are made of high-resistance materials such as nickel-chromium alloy. They work by converting electrical energy into heat by the process of resistance which then radiates through the oven's interior, causing it to increase the temperature to the desired temperature to cook various types of foods.

When you start the oven the heating elements start to generate heat by the high-voltage current that flows across the metal's surface. The element is a ribbon or coil (straight or corrugated) of wire, and as the electric current passes through it, it starts to get hotter. When the element reaches its desired temperature it starts to glow red hot.

The baked element is the main source of heat for most oven functions. It is usually located at lower levels of the oven. Many automatic oven models also use it to clean themselves. When it starts to smoke you may notice that your oven doesn't warm as quickly or your food isn't cooked through completely.

To verify that you have a working oven baking element, plug your multimeter into its red and black ports, oven hob then rub the metal probes against each other on one side of your element. Place the other end of the element against one terminal and place your hand on it. If the element feels warm, take it off it and test it again. If not, take it off and try again.

Broil Element

The broil element is usually located in the upper part of the oven and can provide high heat like a grill to cook or brown food items. Broil settings in ovens are ideal for quick grill meat crisp vegetables, heat lasagna or caramelize the top of the casserole.

The broiler heating element has a similarity to the bake element in that it converts electrical energy through resistance into heat. It is composed of an inner core made up of metal wires, which are wrapped in an insulating and expanded product known as perlite. The inside of the element is then covered with an outer layer of stainless steel to shield the wires from direct contact with the oven. The three-layer structure reduces the temperature of the broil element, making it more durable and safer than older styles of elements.

While you can use any heating element in your oven and hob, you should choose one that matches the wattage that is recommended for your oven. A different wattage could cause damage to your oven or cause it to overheat. The current and voltage ratings of the new heating elements can be located on the control panel of your oven. This will allow you to check the wattage and rating of your oven.

It is also advisable to check the resistance of your previous element and compare it to the power output of your new broiler heating element. The greater the resistance, the more power an oven element uses.

If your broiler's heating element is acting up or doesn't work at all, you should replace it immediately. Your oven needs to function properly to be able to cook your favorite meals. If your oven does not operate at all, or only intermittently, then the issue could be a problem with a different component.

Light Bulb and Assembly

The light lets you keep an eye on your food as it cooks without opening the door and let heat escape. The light also lets you know when the casserole is ready. It's not uncommon for the bulb to die. It can be a hassle, but it's a relatively easy repair that you can do yourself. Make sure the breaker is not tripped and that the connector has three prongs.

First, remove the light bulb that was in use and then locate the new one. It is possible to search online to find a replacement that matches the wattage and type of your oven. Some ovens have standard appliance bulbs of 40 watts some require a halogen lamp up to 50 watts. It is recommended to use cotton gloves to protect the halogen bulbs from damage caused by oil.

Before you put the new bulb into place, you should first take it out of its glass casing. It's crucial to do this slowly so that you don't break it. Then, you'll have to evacuate the air inside the bulb and fill it with an amalgamation of gases. This will prolong the lifespan for the filament.

If your light bulb is constantly going out, it could be an electrical problem that requires an expert to fix it. Verify that you're using the correct oven bulb and check your Use and Care Guide to get more help in troubleshooting. And remember that it's always an excellent idea to unplug your oven and disconnect it from the outlet before you begin any repair. This will prevent you from suffering an electric shock.

Vent Tube

The vent tube is an important oven component that permits an airflow within the cavity. This allows the bake element to circulate heat around the oven and ensures that the temperature is evenly dispersed.

It also allows the vapors that are released from the oven to escape as well as allows smoke to be drained away from the cooking surface. It is crucial to ensure the proper operation of any gas or electric oven.

Vents for ovens can become blocked or clogged due to a variety of reasons. Accidental spills and splatters during cooking can leave sticky residues on the oven vents, which could draw dust and other debris which can lead to blockages or clogs over time. Grease and oil may also be airborne and then settle on vents. Other environmental factors, such as kitchen construction and renovations, could introduce dust and other contaminants into the vents, resulting in obstructions or clogs.

Based on the oven model the vent tube may comprise an a bottle guide 20 or spreader 46 as well as a fill tip 12 that are integrally constructed with the pipe 32. For example the bottle guide 20 may have a tapered outer surface that compliments the complementarily 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 vent tube could cause a reduction in pressure within the enclosure, which can cause an updraft that pulls exhaust backwards and down the vent, causing damage to the oven's components. If you believe that your vent tube is clogged or blocked, contact a professional for help. They will determine the cause and offer suggestions on how to remove or clean the vent.