Axial UTB18 Capra 1/18 4WD RTR Instruction Manual

1. Introduction

The Axial UTB18 Capra 1/18 4WD RTR is a high-performance, ready-to-run remote control rock crawler designed for exceptional off-road capability. This manual provides essential information for setting up, operating, and maintaining your vehicle to ensure optimal performance and longevity.

Key Features:

• Capra performance in a smaller 1/18 scale size.
• Spektrum radio, electronics, LiPo battery, and USB charger included.
• Proven Capra tube chassis and 4-link suspension.
• Fully ready-to-run – includes everything needed.
• Portal axles for maximized ground clearance.

What's in the Box:

• UTB18 Capra 1/18 4WD RTR, Grey

2. Important Safety Information

WARNING: Read the ENTIRE instruction manual to become familiar with the features of the product before operating. Failure to operate the product correctly can result in damage to the product, personal property, and cause serious injury.

This is a sophisticated hobby product. It must be operated with caution and common sense and requires some basic mechanical ability. Failure to operate this Product in a safe and responsible manner could result in injury or damage to the product or other property. This product is not intended for use by children without direct adult supervision. Do not use with incompatible components or alter this product in any way outside of the instructions provided by Horizon Hobby, LLC. The product manual contains instructions for safety, operation, and maintenance. It is essential to read and follow all the instructions and warnings in the manual, prior to assembly, setup or use, in order to operate correctly and avoid damage or serious injury.

3. Setup and Initial Preparation

Before operating your Axial UTB18 Capra, ensure all components are properly prepared and connected.

3.1 Charging the Battery

The vehicle includes a LiPo battery and a USB charger. Connect the charger to a compatible USB power source and then connect the battery. Follow the charger's instructions for safe charging. Always supervise charging and disconnect once fully charged.

3.2 Controller Preparation

The Spektrum radio controller requires batteries (not included). Insert the required batteries into the controller. Ensure the controller is powered on before turning on the vehicle.

3.3 Connecting the Vehicle Battery

Carefully connect the charged LiPo battery to the vehicle's power connector. Secure the battery within its compartment to prevent movement during operation.

3.4 Visual Overview and Features

For a detailed visual guide on the product's features and initial setup, please refer to the official product overview video below.

4. Operating Your Axial UTB18 Capra

The Axial UTB18 Capra is designed for superior rock crawling. Familiarize yourself with the controls and vehicle capabilities before tackling challenging terrain.

4.1 Basic Controls

• Throttle: Use the trigger on the Spektrum radio to control forward and reverse movement.
• Steering: Use the steering wheel on the Spektrum radio to control left and right turns. The Capra features precise front and rear steering for enhanced maneuverability.

4.2 Driving Tips

• Slow and Steady: For optimal rock crawling, use slow and controlled throttle inputs.
• Utilize Steering: Experiment with the front and rear steering to navigate tight spots and overcome obstacles.
• Observe Suspension: The 4-link suspension and oil-filled shocks allow for significant articulation. Observe how the vehicle's suspension reacts to terrain to anticipate its next move.
• Portal Axles: The portal axles provide increased ground clearance, allowing the vehicle to pass over larger obstacles without getting hung up.

4.3 Advanced Operation

The following video demonstrates the Axial UTB18 Capra in action, showcasing its capabilities on various terrains.

5. Maintenance

Regular maintenance is crucial for keeping your Axial UTB18 Capra in top condition.

5.1 Cleaning

• After each use, especially in dirty or wet conditions, clean the vehicle thoroughly. Use a soft brush or compressed air to remove dirt and debris from the chassis, suspension, and drivetrain.
• Avoid using harsh chemicals or excessive water directly on electronics.

5.2 Component Checks

• Screws and Fasteners: Periodically check all screws and fasteners for tightness. Vibrations during operation can loosen them.
• Suspension: Inspect the shocks for leaks or damage. Ensure the 4-link suspension moves freely.
• Tires and Wheels: Check tires for wear and tear. Ensure wheels are securely attached.
• Drivetrain: Inspect gears and driveshafts for any signs of wear or damage.

6. Troubleshooting

This section addresses common issues you might encounter with your Axial UTB18 Capra.

6.1 Vehicle Not Responding / No Power

• Check Battery: Ensure the vehicle's LiPo battery is fully charged and properly connected.
• Controller Batteries: Verify that the radio controller has fresh batteries and is powered on.
• Connections: Double-check all electrical connections within the vehicle, including the battery, motor, and receiver.
• Binding: Ensure the vehicle and controller are properly bound. Refer to the Spektrum radio manual for binding procedures if necessary.

6.2 Steering Issues

• Servo Function: Check if the steering servo is moving freely and not obstructed by debris.
• Linkages: Ensure all steering linkages are securely attached and not bent or damaged.
• Trim Settings: Adjust the steering trim on your controller to ensure the wheels are straight when the steering wheel is centered.

6.3 Motor / Drivetrain Issues

• Obstructions: Check for any foreign objects caught in the gears or driveshafts.
• Gear Mesh: Ensure the motor pinion gear and spur gear have proper mesh.
• Motor Connection: Verify the motor wires are securely connected to the Electronic Speed Controller (ESC).

7. Specifications

8. Warranty and Support

For warranty information, technical support, or replacement parts, please contact the manufacturer directly.

Manufacturer: Horizon Hobby

Refer to the official Horizon Hobby website or the product packaging for the most up-to-date contact information and warranty details.