Replacing a Lenco trim tab actuator is a manageable task that can restore optimal performance to your boat’s trim system. Follow this step-by-step guide to ensure a successful replacement:

1. Safety Precautions

  • Ensure the boat is securely out of the water and stable.
  • Disconnect the battery to prevent electrical hazards.

2. Identify the Faulty Actuator

Operate the trim tabs to confirm which actuator requires replacement.

3. Gather Necessary Tools

  • Screwdrivers
  • Wrenches
  • Marine-grade sealant
  • Replacement actuator compatible with your Lenco trim tab system

4. Remove the Faulty Actuator

  • Locate the actuator’s wiring inside the boat. Disconnect it, noting the wiring configuration.
  • On the transom, remove the screws or bolts securing the actuator to the mounting bracket and trim tab.
  • Carefully detach the actuator, ensuring not to damage surrounding components.

5. Install the New Actuator

  • Position the new actuator, aligning it with the existing mounting holes.
  • Secure it to the trim tab and mounting bracket using appropriate hardware.
  • Route the actuator’s wiring through the transom, applying marine-grade sealant to prevent water intrusion.
  • Inside the boat, connect the actuator’s wiring, matching the previous configuration.

6. Test the New Actuator

  • Reconnect the battery.
  • Operate the trim tabs to verify proper functionality of the new actuator.

Additional Tips

  • Consult the manufacturer’s instructions specific to your actuator model.
  • Regularly inspect and maintain trim tab components to extend their lifespan.
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