How to replace banana screen mesh / panel

Replacing a banana screen mesh or panel is a common maintenance task for these types of vibratory screens, which are widely used in industries like mining, aggregates, and coal processing. The exact steps can vary slightly depending on the specific design of your banana screen, but here’s a general guide.

How to Replace Banana Screen Mesh / Panel

Safety First:

Disconnect Power: Always ensure the machine’s power supply is completely disconnected and locked out/tagged out before beginning any maintenance work. This is crucial to prevent accidental startup.

Allow to Cool: If the machine has been in operation, allow it to cool down to a safe temperature before handling components.

Follow Manufacturer’s Guidelines: Refer to your specific machine’s operation and maintenance manual for detailed instructions and safety precautions.

General Steps to Replace a Banana Screen Mesh/Panel:

Prepare the Area:

Clear any material from the screen surface and surrounding areas.

Ensure you have adequate lighting and space to work safely.

Gather all necessary tools (wrenches, mallets, pry bars, new screen mesh/panels, sealing strips, etc.).

Access the Screen Section:

Depending on the screen design, you may need to open auxiliary devices or access doors that allow access to the screen surface.

Some screens have quick-release latches or clamps that need to be unlatched and removed.

If there are any center hold-down mechanisms or tensioning rails, these will need to be loosened or removed.

Remove the Worn Screen/Panel:

Carefully remove any sealant strips around the edges of the screen.

Lift and remove the damaged or worn screen mesh/panel from the screen deck.

Inspect and remove any residual debris from the support angles, center hold-down mechanisms, end supports, and seals.

Inspect and Prepare the Support Structure:

Check the support beams and wear liners under the screen panels for any looseness, wear, or damage. Replace them if necessary.

Clean the screen grid and any bonding surfaces. If using glue for certain screen types, lightly sand the bonding surface for better adhesion.

If replacing crown rubber/gasket-type elements, seals, or end supports, do so now.

Apply a lubricant to every support angle if recommended by the manufacturer.

Install the New Screen Mesh/Panel:

Positioning: Carefully position the new screen mesh or panel onto the screen deck. Ensure it is centered and aligned correctly with the support structure.

Tensioning (for woven wire mesh):

For proper tensioning, ensure there’s enough give (e.g., ¾”) between the outside of the hook and the side plates.

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