1. Introduction
Thank you for purchasing the Udirc 1:18 Full Scale Jimny RC Off-Road Climbing Vehicle, model UCX2402. This ready-to-go (RTR) remote control crawler is designed for both indoor and outdoor adventures, offering a realistic driving experience with its detailed design and advanced features. Please read this manual thoroughly before operating your vehicle to ensure safe and optimal performance.
2. Safety Information
⚠ WARNING: This product can expose you to chemicals including phthalates (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
- Always operate the vehicle in open areas, away from people, pets, and obstacles.
- Do not operate near water or in wet conditions to prevent damage to electronics.
- Keep fingers, hair, and loose clothing away from moving parts.
- Adult supervision is recommended for users under 14 years of age.
- Ensure the battery is fully charged before each use and disconnect it when not in use.
- Do not attempt to modify the vehicle or its components unless specified in this manual.
3. Package Contents
The Udirc UCX2402 package includes the following items:
- 1x Udirc 1:18 RC Jimny Off-Road Climbing Vehicle (UCX2402)
- 1x 2.4GHz Remote Controller
- 1x 7.4V 350mAh-3P2S Lithium Battery (for vehicle)
- 1x Charger
- 1x Operating Instructions Manual (this document)
- Original Box
4. Specifications
| Feature | Detail |
|---|---|
| Product Model | UCX2402 Jimny |
| Car Shell Material | ABS |
| Vehicle Proportion | 1:18 |
| Dimensions (L*W*H) | 198mm * 99mm * 98mm |
| Wheelbase | 120mm |
| Tire Diameter | 36mm |
| Tire Width | 14mm |
| Hub Diameter | 19.8mm |
| Ground Clearance | 20.3mm |
| Battery Compartment Size | 55mm x 30mm |
| Approach Angle | 51° |
| Angle of Departure | 58° |
| Supported Voltage | 2S 7.4V |
| Motor | Brushed 130 motor |
| Electronic Governor (ESC) | Integrated Brushed 30AESC |
| Steering Gear | 5g three-wire steering gear |
| Remote Control | 2.4GHz 4CH remote control |
| Lights | Factory standard headlights; reserved for upgrading front/rear turn signals, reversing lights, tail lights, fog lights |
| Girder | 1.5mm aluminum alloy beam PA tie rod |
| Wave Box | High and low speed, neutral gear, switchable, with reverse transmission PA fiber, universal joint |
| Low Speed Final Rotation Ratio | 58.6 |
| High Speed Final Rotation Ratio | 9.3 |
| Motor Teeth | 16T |
| Deceleration Gear | 30T |
| Adapter | PA fiber hex 7mm |
| Battery | 350mxh-3P2S lithium battery |
| Remote Distance | About 100 meters |
| Control Channels | 4 channels |
| Controller Mode | MODE2 |
| Material | Metal, Plastic |
| State of Assembly | Ready-to-Go |
5. Setup
5.1. Charging the Vehicle Battery
- Connect the provided charger to a suitable power source.
- Connect the 7.4V 350mAh-3P2S lithium battery to the charger.
- Allow the battery to charge fully. Refer to the charger's indicator lights for charging status.
- Once charged, disconnect the battery from the charger.
5.2. Installing the Vehicle Battery
- Carefully remove the car shell. (Refer to section 5.3 for car shell removal).
- Locate the battery compartment within the chassis. The compartment size is 55x30mm.
- Insert the charged 7.4V lithium battery into the compartment.
- Connect the battery to the vehicle's power connector.
- Replace the car shell.
5.3. Quick Dismantling of Car Shell
The car shell features a quick-dismantling design for easy access to internal components.
To remove the car shell:
- Turn the vehicle upside down.
- Locate the quick-disconnect parts on both sides of the chassis, connected to the bottom of the car shell in the middle.
- Simultaneously press and hold these quick-disconnect parts inwards.
- While holding, gently pull the underbody upwards to detach the car shell.
To reattach the car shell, align it with the chassis and press down until the quick-disconnect parts click into place.
5.4. Remote Controller Setup
The remote controller operates on a 2.4GHz frequency with 4 channels.
Ensure the remote controller has fresh batteries installed (not included for the remote, typically AA batteries). Turn on the remote controller before turning on the vehicle.
6. Operating Instructions
6.1. Basic Controls
Familiarize yourself with the remote controller's functions:
- Steering Wheel: Controls left and right steering.
- Forward/Backward Trigger: Controls acceleration (pull) and reverse/brake (push).
- Power Switch: Turns the remote controller ON/OFF.
- Light Switch: Controls the vehicle's lights.
- Gear Shift: Switches between high and low speed modes.
- Front/Rear Steering Mid Trim: Adjusts the neutral position of the front/rear steering.
- Throttle Counter: Adjusts the neutral position of the throttle.
- Mode Switching: Changes between different steering modes (see 6.2).
- Cruise Control Knob: For maintaining a set speed.
6.2. Driving Modes
The UCX2402 features upgradable four-wheel steering with four switchable modes:
- Forward and Backward in the Same Direction: All four wheels steer in the same direction.
- Forward and Backward in Opposite Direction: Front and rear wheels steer in opposite directions for tighter turns.
- Front Wheel Steering: Standard steering, only front wheels turn (factory default).
- Rear Wheel Steering: Only rear wheels turn.
Use the 'Mode switching' button on the remote controller to cycle through these modes. The rear steering neutral fine-tuning and mode switching are reserved for upgrading the four-wheel steering. Only the M1 front wheel steering can be used initially.
6.3. Speed Modes
The vehicle is equipped with a three-speed mechanical shift gearbox, allowing for both low-speed climbing and high-speed operation.
- Low Speed Mode: Ideal for challenging terrains and climbing, providing high torque and precise control.
- High Speed Mode: Suitable for faster driving on flatter surfaces, offering an exhilarating experience.
Use the 'Gear shift' button on the remote controller to switch between these modes.
6.4. Lighting Functions
The vehicle comes with factory standard headlights. The system is reserved for upgrading front and rear turn signals, reversing lights, tail lights, and fog lights.
To upgrade lights, ensure you recognize the correct P number for SH1.25 plug-in heads (2P/3P/4P) as they have different positions.
7. Maintenance
7.1. General Care
- Clean the vehicle after each use, especially after off-road driving, to remove dirt and debris.
- Use a soft, dry cloth to wipe down the exterior. For stubborn dirt, a slightly damp cloth can be used, ensuring no water enters electronic components.
- Inspect all moving parts, screws, and connections regularly for any looseness or damage.
- Store the vehicle and remote controller in a cool, dry place away from direct sunlight.
- Remove batteries from both the vehicle and remote controller if storing for extended periods.
7.2. Upgradeable Components
The UCX2402 is designed with several upgradeable components to enhance performance and customization.
- Differentials: The vehicle comes with front and rear straight axles without differentials. These can be upgraded to improve handling and traction on various surfaces.
- Motor and ESC: The mid-mounted brushed 130 motor and integrated 30AESC can be upgraded to brushless motor and ESC systems for increased power and efficiency. The ESC has a reserved upgrade interface.
- Lights: As mentioned in section 6.4, additional lighting can be installed.
- Other Parts: Various other parts like axles, links, and gearboxes are designed for future upgrades.
8. Troubleshooting
If you encounter issues with your UCX2402, please refer to the following common problems and solutions:
- Vehicle not responding to remote control:
- Ensure both the vehicle and remote control are powered ON.
- Check if the vehicle battery is charged and properly connected.
- Check if the remote control batteries are fresh and correctly installed.
- Re-pair the remote control with the vehicle if necessary (refer to remote control manual for specific pairing instructions). - Poor performance or reduced range:
- Fully charge the vehicle battery.
- Ensure there are no strong interference sources (e.g., Wi-Fi routers, other RC devices) nearby.
- Check for any physical damage to antennas on both the vehicle and remote control. - Vehicle not driving straight:
- Use the steering trim adjustments on the remote control to fine-tune the steering. - Unusual noises or vibrations:
- Turn off the vehicle immediately.
- Inspect for any loose screws, damaged gears, or obstructions in the drivetrain.
If the problem persists after attempting these solutions, please contact customer support for further assistance.
9. User Tips
- Explore Different Terrains: The UCX2402 is designed as a crawler, excelling in challenging off-road conditions. Experiment with rocks, dirt, and inclines to fully appreciate its capabilities.
- Practice Steering Modes: Utilize the different four-wheel steering modes to navigate tight spaces and complex obstacles more effectively.
- Battery Management: Always allow the battery to cool down before recharging. Avoid completely draining the battery to prolong its lifespan.
- Regular Inspection: Before and after each run, quickly check the tires, suspension, and chassis for any signs of wear or damage.
- Customization: Take advantage of the upgradeable features to personalize your vehicle's performance and appearance as you gain experience.
10. Warranty and Support
This product comes with a standard manufacturer's warranty against defects in materials and workmanship. Please retain your proof of purchase for warranty claims. For technical support, spare parts, or warranty inquiries, please contact the retailer or manufacturer's customer service department.
Please note that damage resulting from misuse, accidents, unauthorized modifications, or failure to follow the instructions in this manual may void your warranty.
