A well-maintained oven ensures consistent performance and a longer lifespan.
Adhering to this structured cleaning process, with proper planning and the right tools, guarantees efficiency, safety, and cleanliness.
Cleaning essentials
Frequency
Oven exterior, crumb
trays and oven windows
Daily
Oven hoods
Monthly
Oven deep clean
Restaurants over 500 weekly transactions
Monthly
Restaurants under 500 weekly transactions
Every two months
Chemicals
Heavy Duty Degreasing Solution
Supersoak Concentrate
Stainless Steel Cleaner
Sanitiser Mix
Note: Always follow the manufacturers’
chemical use instructions.
PPE
Gloves
Safety Goggles
Apron
Note: Always wear the correct
PPE when oven cleaning.
Overview
Parts to clean
- Oven Eyebrows: Adjustable panels located at the oven’s entrance and exit. They help retain heat and prevent it from escaping into the environment.
- Entrance and Exit Plugs: Fixed plugs provide additional insulation and structural support at the oven’s entry and exit points.
- Air Fingers: Key internal components designed to direct hot air evenly across the oven cavity, ensuring consistent cooking.
- Conveyor Belt: The motorised surface that transports food through the oven for cooking.
- Conveyor Belt Assembly: This sturdy structure supports the conveyor belt, keeping it aligned and functional.
- Oven Interior Cavity: The main cooking chamber, where food is exposed to heat for cooking or baking.
- Internal Blank Plates: You will see either a Blank Plate or a Partial Blank Plate.
TIP
Refer to the Oven Components section of this guide for further information on oven parts and a visual guide of their placements.
Cleaning Frequency
- High Usage (over 500 weekly transactions): Clean once a month.
- Moderate Usage (less than 500 weekly transactions): Clean every two months.
Assigned Personnel
- Team Size: A minimum of two fully trained individuals is required for deep cleaning.
- Age Requirement: Both team members must be 21 or older.
- Management Oversight: At least one of the team members must be the restaurant’s General Manager, providing supervision and ensuring the correct execution of the cleaning process.
Cleaning Schedule
- Allocate 24 hours for the process to allow thorough cleaning and drying.
- Choose the slowest day of the week (avoid weekends and holidays).
- Start after closing to Minimise disruptions and allow overnight soaking of components.
Recommended Cleaning Supplies and Materials
- Chemicals and Solutions:
- Heavy-Duty Degreaser: Use only approved products for grease removal.
- Sanitiser: Use only approved sanitiser for food-contact surfaces.
- Tools and Equipment:
-
- Soaking tank/container for overnight soaking of removable components.

- Soaking tank/container for overnight soaking of removable components.
-
- Hard-bristle brush for tough residue and buildup.
- Soft-bristle brush for delicate or intricate areas.
- Long-sleeved heavy-duty gloves and safety gloves for extended protection.
- Goggles to shield eyes from splashes or debris.
- Screwdriver to disassemble components.
- Long Nose Pliers: For unhooking the conveyor belt master links.

Preparing to clean
Safety Guidelines Before You Begin
- Disconnect Power: Ensure the oven deck is completely disconnected from the main electricity supply.

- Turn Off Gas: For gas ovens, switch off the gas supply to the specific deck you plan to dismantle.


- Wear Protective Gear: Throughout the dismantling and cleaning process, always wear appropriate safety equipment, such as gloves and goggles.

- Timing: Never dismantle the oven during business operations to prevent cross-contamination with food being cooked in other decks.
- Cover Food: Ensure all food items in the production area are covered to protect them from contamination during cleaning.
- Check Oven Temperature: Do not dismantle a deck that was in use that day. Internal components may remain extremely hot even after the blowers shut down.
Prepare the Cleaning Solution
- Fill the Soaking Tank: Add lukewarm water to the soaking tank, filling it up to the designated line inside.

- Add Cleaning Concentrate: Pour one gallon of “SuperSoak Concentrate” to create the cleaning solution.


- Mix the Solution: Cover the soaking tank with its lid and allow the solution to mix thoroughly for 30 minutes. The solution can be used for 30 days.

- Position the Tank: Place the soaking tank in a safe and accessible location near the restaurant’s three washing-up stations.
Dismantling the oven
Remove Crumb Trays
- Remove the Crumb Trays: Gently lift and slide them out of their position.

- Clean Off Residue: Use a clean brush or cloth to remove crumbs and food particles from the trays.

- Wash and Sanitise: Take the trays to the dishwashing sink. Wash, rinse, and sanitise them thoroughly.

- Air Dry: Allow the trays to air dry completely before reinstalling them.
Remove Oven Eyebrows
Loosen the Fasteners:
- Using your hands, rotate each fastener counterclockwise to remove it.

- Each oven deck has two eyebrows: one at the entrance and one at the exit, located above the conveyor belt.
- Each eyebrow is secured with two fasteners. Refer to this guide’s “Oven Components” section for detailed placement information.
- Place the fasteners in a secure container to prevent loss.

Detach the Eyebrows:
- After removing the fasteners, use both hands to pull the eyebrows out of their positions gently.

- Handle the components carefully to avoid damage or misplacement.
Remove Top Plugs
Carefully Detach the Plugs:
- Using both hands, carefully remove the top plugs, as they are slightly heavy.
- Each oven deck has two top plugs—one at the entrance and one at the exit.


Prepare for Cleaning:
- Place the removed plugs on a flat, stable surface to ready for cleaning.


IMPORTANT! Do not soak or wash plugs
The top plugs are insulated and should never be soaked in water or cleaned under running water.
Proper care of the insulated plugs ensures their longevity and performance. The plugs are key in maintaining the oven temperature and preventing heat loss. Soaking them will damage this function.
Remove Conveyor Belt Assembly (frame)
Note: This process requires two people for safe and efficient handling.
- Loosen the Motor Cover Screws:
- Locate the conveyor belt’s motor cover, which is secured with two screws.
- Use a flat-head screwdriver to loosen the screws by turning them counterclockwise.
- Do not remove the screws entirely; just loosen them enough to allow the cover panel to be lifted.


- Remove the Motor Cover Panel:
- Gently push the cover panel upward to free it from the screws, then pull it out and set it aside.


- Gently push the cover panel upward to free it from the screws, then pull it out and set it aside.
- Free the Conveyor Belt Assembly:
- Lift the conveyor belt assembly slightly to release it from its brake.
- Push the conveyor belt back gently to loosen the chain from the motor’s sprocket.



- Detach the Chain:
- Remove the chain from the large motor sprocket. Leave the chain attached to the smaller sprocket to avoid unnecessary disassembly.



- Remove the chain from the large motor sprocket. Leave the chain attached to the smaller sprocket to avoid unnecessary disassembly.
- Slide Out the Conveyor Belt Assembly:
- With the free conveyor belt assembly, begin sliding it out from the oven on the side with the control panel.
- Position one person at the front of the oven and another at the back. The person at the back lifts and pushes the belt forward while the person at the front pulls it out.

- Coordinate for Safe Removal:
- Once the conveyor belt assembly is halfway out, both individuals should support it by holding the frame on either side.
- Slowly and carefully pull the frame completely out of the oven chamber.

- Handle the Hinges Carefully:
- Be cautious as the conveyor belt assembly folds in the middle. Keep hands and fingers away from the hinges to prevent injury.

- Be cautious as the conveyor belt assembly folds in the middle. Keep hands and fingers away from the hinges to prevent injury.
- Place the Conveyor Belt on a Flat Surface:
- Fully remove the conveyor belt assembly from the oven, fold it carefully, and place it on a flat, stable surface. You can now remove the belt.

- Fully remove the conveyor belt assembly from the oven, fold it carefully, and place it on a flat, stable surface. You can now remove the belt.
Note: Be careful not to hit the drive sprocket when handling the conveyor or damage may occur to the drive shaft.
Remove Conveyor Belt
Note: This process requires two people for safe and efficient handling.
Tip: What is a Master Link? These are small belt components with open hooks on each end that connect belt sections.
- Flatten the Frame: Place the conveyor belt assembly on a flat surface and lay it completely flat.

- Locate the Master Link: Gently move the belt with your hands to find the Master Links.

- Release Belt Tension: Fold the conveyor belt assembly to loosen the belt, making it easier to remove the Master Links.

- Detach the Master Links: Use long-nose pliers to unhook the Master Links carefully. Do not fully remove them to prevent losing the parts. Apply gentle pressure to avoid damaging the Master Links.

- Detach the End Hooks by Hand: Use only your hands to remove the hooks at each end of the belt. Take care not to alter the hooks’ shape.

- Open and Roll the Belt: Once the Master Links are detached, open the belt and start rolling it. Ensure the Master Links remain within the rolled belt.

- Secure the Roll: Roll the belt tightly to save space and protect it from damage.

Caution: When handling the conveyor, be careful not to hit the drive sprocket to avoid damaging the drive shaft.
Remove Bottom Plugs
- Loosen the Fasteners: Using your hands, rotate each fastener counterclockwise to remove it. Place the fasteners in a container for safekeeping.


- Carefully Detach the Plugs:
- Using both hands, carefully remove the bottom plugs, as they are slightly heavy.
- Each oven deck has two bottom plugs—one at the entrance and one at the exit.
- Prepare for Cleaning:
- Place the removed plugs on a flat, stable surface ready to clean.
IMPORTANT! Do not soak or wash plugs
The top plugs are insulated and should never be soaked in water or cleaned under running water.
Proper care of the insulated plugs ensures their longevity and performance. The plugs are key in maintaining the oven temperature and preventing heat loss. Soaking them will damage this function.
Remove Air Fingers
After removing the Oven Eyebrows, Top Plugs, Conveyor belts and Bottom Plugs, you can access the Air Fingers. Follow these steps to disassemble air fingers correctly.
Each finger has three parts:
- Outer Plate
- Inner Plate
- Manifold
Note: Some ovens, like Middleby 740 WOW, require a special finger arrangement. You can identify the finger’s arrangement using the Oven Finger Arrangement stickers and the codes engraved on the fingers. We will cover this in detail later in this guide.
- Mark All Parts – Only for the models without code engravings on the fingers:
- Before removing the air fingers, use a pen to mark all components. This includes:
- The finger manifold
- The inner plate
- The outer plate
- If blank plates or plates are present, mark them as well.
- Mark each part in order as viewed from the front of the oven. For upper ovens, precede the marking with “U” (e.g., UB1, UT2).

- Before removing the air fingers, use a pen to mark all components. This includes:
- Remove the Partial Blank Plates. Slide the plate straight out.


- Detach the Air Fingers; carefully pull out the air fingers from the back, ensuring they slide straight out.



- Using a plastic bristle brush, remove the large residue.

- Place the fingers upright to proceed with disassembly.

- Remove the Outer Plate: Using your fingertips, slowly pull the outer plate straight out.


- Detach the Inner Plate: Pull the inner plate out and then lift it upward to remove it.



Cleaning the oven parts
Cleaning General Oven Parts
Soaking and Cleaning Disassembled Parts (Excluding Oven Plugs):
Prepare the SuperSoak Tank:
-
- Remove the SuperSoak Tank lid.
- Refer to this guide’s “Prepare the Cleaning Solution” section for detailed instructions on setting up the cleaning solution.
Submerge Parts in the Following Order:
-
- Blank Plates
- Finger Manifold
- Finger Outer Plate
- Motor Sprockets Cover
- Oven Eyebrows
- Oven Belt
Soaking:
-
- Place the lid securely on the SuperSoak Tank.
- Allow the parts to soak overnight or for a minimum of 12 hours.
Post-Soak Cleaning:
-
- After soaking, remove each part individually.
- Using a hard-bristle plastic brush, scrub each part thoroughly while still in the tank.
- For stubborn grime, return the part to the solution for additional soaking, then scrub again.



Rinse and Dry:
-
- Once clean, transfer the parts to the sink.
- Wash and rinse each part thoroughly to remove any residue.
- Sanitise all parts and let them air dry completely before reassembling.






Cleaning Top and Bottom Plugs
IMPORTANT! Do not soak or wash plugs
The top plugs are insulated and should never be soaked in water or cleaned under running water.
Proper care of the insulated plugs ensures their longevity and performance. The plugs are key in maintaining the oven temperature and preventing heat loss. Soaking them will damage this function.
Follow these steps:
- Place the plugs on a flat surface.
- Apply a Heavy Duty Degreaser to the plug surface and let it sit for five minutes.

- Use a hard-bristle plastic brush to scrub the surface thoroughly, removing grease and grime. Reapply the degreaser and scrub again if needed.

- Wipe away the degreaser using a damp cloth.

- Apply stainless steel polish to the surface and buff with a clean, dry cloth.

- Sanitize all sides of the plugs and allow them to air dry completely.

- Once dry, the plugs are ready for reassembly. Store them in a clean, safe location until the rest of the oven components are cleaned.
Cleaning Conveyor Belt Assembly (frame)
Due to its large size, the frame cannot be soaked overnight and requires two people to clean it effectively. Follow these steps:
- Submerge Partially:
- Immerse half of the frame into the cleaning solution and let it soak for 1 hour.
- Rotate and Repeat:
- Rotate the frame and submerge the other half for an additional hour.
- Scrubbing:
- Scrub the first submerged half thoroughly with a brush after soaking.
- Rotate the frame again and scrub the second half.
- Final Rinse and Drying:
- Wash and rinse the entire frame in an appropriate cleaning area of the restaurant.
- Sanitise the frame and allow it to air dry fully.

Cleaning Finger Inner Plate
The Finger Inner Plate requires only light cleaning as it typically accumulates minimal grime.
- Washing:
- Wash the Inner Plate in the sink with washing-up liquid and a plastic brush.
- Rinse and Sanitise:
- Rinse thoroughly to ensure no soap residue remains.
- Sanitise the plate and allow it to air dry.

Cleaning the Oven Cavity
- Remove Residue: Use a plastic brush to loosen and remove any residue from the oven cavity.

- Apply Degreaser: Lightly spray the surface with a heavy-duty degreaser to break down grease and grime.

- Scrub Thoroughly: Use a cloth or brush to scrub the surfaces until all grease and grime are fully removed.

- Sanitise and Dry: Sanitise the cleaned surfaces and allow them to air dry completely before using the oven.
