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How to replace a dry pit motor for a Del pool cover

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How to replace the dry pit motor of your DEL pool cover

If you have a DEL Rollinside pool cover and your dry pit motor is showing signs of wear, this practical guide explains how to replace it easily and safely. We will detail the steps, the necessary equipment, and the exact references so that your cover functions perfectly again.

Which UNICUM dry pit motor should you use for your DEL cover?

The choice of motor depends on the size and weight of your cover:

For the motor's power supply and control, use the UNIBOX 450 control box, specially designed for DEL dry pit motors. This box manages the power supply and allows control of the cover via remote control or wall-mounted unit.

Why replace a dry pit motor on your DEL cover?

The dry pit motor ensures the automatic opening and closing of your cover while being protected from water. Over time, it may show several signs of failure:

  • Cover blockage.

  • Unusual noises or vibrations.

  • Random or zero response from the remote control.

Replacing the motor allows you to preserve the safety and comfort of your pool, and avoid damaging the cover or the axle.

Equipment and tools required for replacing your dry pit motor

Before starting, make sure you have:

Photo article site DEl
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Step 1: Secure the pool and cut the electricity

  1. Cut the main power supply at the electrical panel and the cover's control box.

  2. Ensure the cover is completely closed.

  3. Protect the area around the pool to avoid any accidents.

Step 2: Access the motor in the dry pit

  1. Open the dry pit cover.

  2. Check that there is no standing water or debris.

  3. Locate all fastenings holding the motor to the cover axle.

Tip: take a photo of the wiring before disconnecting anything to guide you during reassembly.

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Step 3: Disconnect and remove the motor

  1. Carefully disconnect all cables: power supply, limit switches, connection to the roller.

  2. Remove the fastenings holding the motor on the axle.

  3. Remove the motor and inspect:

    • The axle to check that it is not bent.

    • The bearings to ensure they rotate freely.

    • The coupling to detect cracks or excessive play.

Step 4: Install the new replacement motor for your pool cover

  1. Place the UNICUM DL6010 or DL7710 in the dry pit, in perfect alignment with the axle.

  2. Secure it firmly with the provided screws and brackets.

  3. Reconnect all cables according to your photos or the DEL diagram.

  4. Install the UNIBOX 450 control box and connect it correctly to the motor.

  5. Set the high and low limit switches for a smooth cover movement.

Advice: poor alignment or incorrect limit switch settings can cause blockage and noise.

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Step 5: Tests and checks of the UNICUM DL6010 / DL7710 dry pit motor

  • Test the motor via the remote control or the UNIBOX 450 box.

  • Check that the cover moves up and down smoothly.

  • Ensure that the pit remains watertight and that water is not entering.

Step 6: Maintenance after replacement

To prolong the motor's lifespan:

  • Regularly clean the dry pit and avoid water or debris buildup.

  • Check the operation of the motor and the UNIBOX 450 box annually.

  • Follow DEL instructions for maintenance and winterization.

Replacing the dry pit motor of your DEL cover with a UNICUM DL6010 or DL7710 and the UNIBOX 450 control box is simple.

If you follow the steps described: securing, dismantling, installation, adjustment, and checks.

With regular maintenance, your DEL Rollinside cover will return to smooth and reliable use, allowing you to fully enjoy your pool in complete safety.

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Get a dry pit motor and a control box suitable for your pool cover

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See the UNICUM motor for dry pit
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See the UNIBox 450 Unit

FAQ

Can I change my dry pit motor myself?

Yes, if you are handy and follow the safety instructions. Otherwise, call in a professional.

Which UNICUM motor should I choose?

A UNICUM DL6010 (500 Nm) dry pit motor for light/medium covers, DL7710 (900 Nm) for heavier covers.

Do I need to empty the pool to change a dry pit motor?

No, the motor is out of the water.

How long does a dry pit motor last?

On average 8 to 12 years depending on use and maintenance.

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