Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your equlup 3KG RC Digital Servo, model E3003. Designed for 1/8 and 1/10 scale RC on-road cars and trucks, this waterproof, high-speed, large-torque digital servo offers reliable performance for various remote-controlled applications.
Package Contents
- 1 x 3KG Waterproof Servo (E3003)
- 2 x Servo Accessories (horns/arms)
- 1 x Mounting Screw

Setup and Installation
Follow these steps to properly install your digital servo into your RC vehicle:
- Prepare the Mounting Location: Ensure the mounting location in your RC chassis is clean and free from obstructions. The servo dimensions are approximately 55 x 45 x 20.5mm (2.2 x 1.8 x 0.8in).
- Mount the Servo: Secure the servo into the designated slot using appropriate screws. Ensure it is firmly seated to prevent movement during operation.
- Attach Servo Horn: Select the correct servo horn from the included accessories or your vehicle's kit. Attach it to the servo output shaft. Ensure the horn is centered before tightening the screw.
- Connect to Receiver/ESC: Plug the servo's 3-pin connector into the appropriate channel on your RC receiver or Electronic Speed Controller (ESC). Typically, this is channel 1 for steering. Ensure the polarity is correct (signal, positive, negative).
- Test Functionality: Before full operation, power on your RC system (transmitter first, then receiver/ESC) and test the servo's movement. Verify that it responds correctly to steering inputs.

Operating Instructions
The equlup E3003 digital servo is designed for precise and responsive control in RC applications. Once installed and connected, its operation is controlled directly by your RC transmitter.
- Power On Sequence: Always turn on your RC transmitter first, then power on the receiver/ESC connected to the servo. When powering off, turn off the receiver/ESC first, then the transmitter.
- Steering Control: Use the steering wheel or stick on your transmitter to control the servo's movement. The servo will translate these signals into precise angular motion for steering or other functions.
- Compatibility: This servo is compatible with Redcat Racing 1/8 and 1/10 RC on-road cars and trucks, as well as other RC models requiring a standard digital servo with similar specifications.

Maintenance
Proper maintenance ensures the longevity and optimal performance of your servo.
- Cleaning: Regularly clean the exterior of the servo to remove dirt, dust, and debris. Use a soft, dry cloth. Avoid using harsh chemicals or solvents.
- Waterproof Feature: The E3003 servo features excellent waterproof performance, allowing it to operate in various environments, including wet conditions. However, prolonged submersion is not recommended. After exposure to water, ensure the servo is dried thoroughly.
- Cable Inspection: Periodically check the servo cable for any signs of wear, cuts, or damage. Damaged cables can lead to intermittent operation or complete failure.
- Storage: When not in use, store the servo in a dry, cool place away from direct sunlight and extreme temperatures.

Troubleshooting
If you encounter issues with your servo, consider the following common troubleshooting steps:
- No Movement:
- Check all connections to the receiver/ESC. Ensure they are secure and correctly oriented.
- Verify that the receiver and transmitter are properly powered on and bound.
- Test with a different servo or receiver channel to isolate the problem.
- Erratic Movement/Glitching:
- Ensure there is no interference from other electronic components or external sources.
- Check for loose connections or damaged wiring.
- Verify the power supply to the receiver/ESC is stable and sufficient.
- Weak or Slow Response:
- Confirm the servo is receiving adequate voltage (4.8V to 6.0V).
- Check for any mechanical binding in the steering linkage that might be impeding servo movement.
- Ensure the servo horn is not slipping on the output shaft.
If problems persist after these steps, contact customer support for further assistance.
Specifications
| Feature | Specification |
|---|---|
| Model | E3003 (02073) |
| Material | ABS |
| Scale Compatibility | 1/8, 1/10 RC On-Road Car/Truck |
| Size (Approx.) | 55 x 45 x 20.5mm (2.2 x 1.8 x 0.8in) |
| Weight (Approx.) | 45g (1.55 ounces) |
| Cable Length (Approx.) | 23cm (9.1in) |
| Speed (4.8V) | 0.14 sec / 60 degrees |
| Speed (6.0V) | 0.13 sec / 60 degrees |
| Torsional Moment (4.8V) | 2.5KG x CM |
| Torsional Moment (6.0V) | 3.0KG x CM |
| Rotation Angle | +/- 60 Degrees |
| Fuel Source Compatibility | Nitro/Electric |
| Waterproof Performance | Excellent |
Warranty and Support
Your equlup 3KG RC Digital Servo E3003 is covered by a standard manufacturer's warranty against defects in materials and workmanship. For specific warranty terms and conditions, please refer to the product packaging or contact your retailer.
For technical support, troubleshooting assistance, or inquiries regarding replacement parts, please contact equlup customer service through the retailer where the product was purchased. Please have your product model number (E3003) and purchase information ready when contacting support.