TAMIYA JR Manta Ray Mk.II Black Special MS Chassis Instruction Manual

1. Introduction

Thank you for purchasing the TAMIYA JR Manta Ray Mk.II Black Special MS Chassis kit. This model is a high-performance Mini 4WD racer designed for track competition. This manual provides detailed instructions for assembly, operation, maintenance, and troubleshooting to ensure you get the most out of your model. Please read this manual thoroughly before beginning assembly.

Figure 1: Assembled TAMIYA JR Manta Ray Mk.II Black Special MS Chassis.

2. Safety Information

Please observe the following safety precautions to prevent injury or damage to the product:

• Adult Supervision: This kit is recommended for ages 14 and up. Younger users should have adult supervision during assembly and operation.
• Small Parts: The kit contains small parts that can be a choking hazard. Keep out of reach of small children.
• Tools: Use appropriate tools for assembly. Be careful when using sharp tools like hobby knives.
• Batteries: Use only recommended batteries (AA size, sold separately). Do not mix old and new batteries, or different types of batteries. Insert batteries with correct polarity. Remove batteries when the model is not in use for extended periods.
• Motor: The motor can become hot during operation. Avoid touching it immediately after use.
• Operation Environment: Operate the model on a flat, clean surface or a designated Mini 4WD track. Avoid operating near water, heat sources, or in dusty environments.

3. Package Contents

The TAMIYA JR Manta Ray Mk.II Black Special MS Chassis kit includes the following components:

• Pre-cut body parts (Black Special color scheme)
• MS Chassis parts (Blue)
• Double-shaft motor
• Wheels and tires (Black wheels, Blue low-profile tires)
• Gear set
• Roller set
• Sticker sheet
• Assembly instructions (this manual)

Note: Two AA batteries are required for operation and are sold separately.

4. Assembly Instructions

Follow these steps carefully to assemble your TAMIYA JR Manta Ray Mk.II Black Special MS Chassis. Refer to the detailed diagrams in the included printed manual for visual guidance.

1. Chassis Preparation:

   Begin by separating all chassis parts from their runners. Smooth any rough edges with a hobby knife or sandpaper. Assemble the front and rear units of the MS chassis.

   

   Figure 2: MS Chassis underside view, showing structural details.

2. Motor Installation:

   Install the double-shaft motor into the central unit of the MS chassis. Ensure the motor is securely seated and the terminals make proper contact.

3. Gearbox Assembly:

   Assemble the gears according to the diagram, ensuring they mesh smoothly. Lubricate gears lightly with Tamiya grease (sold separately) for optimal performance.
4. Wheel and Tire Attachment:

   Attach the black wheels to the axles, then mount the blue low-profile tires onto the wheels. Ensure they are firmly seated.

5. Roller Installation:

   Install the guide rollers onto the front and rear units of the chassis. These rollers help guide the car along the track walls.

6. Body Assembly:

   Carefully cut out the body parts and apply the included stickers according to the design. Attach the finished body to the MS chassis.

   

   Figure 3: Side view of the assembled model.

7. Battery Compartment:

   Locate the battery compartment on the underside of the chassis. Insert two AA batteries, observing the correct polarity (+/-).

   

   Figure 4: Battery compartment and power switch location.

5. Operating Instructions

Once assembled and batteries are installed, your Mini 4WD is ready for operation.

1. Power On:

   Locate the ON/OFF switch on the underside of the chassis (refer to Figure 4). Slide the switch to the "ON" position to start the motor.
2. Placement on Track:

   Carefully place the Mini 4WD onto a designated Mini 4WD track. Ensure all four wheels are on the track surface.

3. Running:

   The car will run automatically around the track. Observe its performance and make adjustments as needed (e.g., roller settings, gear ratios, motor upgrades) for optimal speed and stability.

4. Power Off:

   To stop the car, pick it up from the track and slide the ON/OFF switch to the "OFF" position.

Figure 5: Rear view detailing rollers and chassis.

6. Maintenance

Regular maintenance will prolong the life and performance of your Mini 4WD model.

• Cleaning: After each use, wipe down the chassis and body with a soft, dry cloth to remove dust and debris.
• Gear Inspection: Periodically check the gears for wear or damage. Re-lubricate with Tamiya grease as needed.
• Wheel and Tire Check: Ensure wheels spin freely and tires are securely attached and free from damage.
• Battery Contacts: Clean battery contacts if they appear corroded. Ensure a tight connection.
• Motor Care: Avoid running the motor continuously for long periods without breaks to prevent overheating.
• Storage: Store the model in a cool, dry place away from direct sunlight. Remove batteries if storing for an extended period.

7. Troubleshooting

If you encounter issues with your Mini 4WD, refer to the following common problems and solutions:

8. Specifications

9. Warranty & Support

TAMIYA products are manufactured to high-quality standards. Due to the nature of model kits, which involve assembly and customization, specific warranty details may vary. For detailed warranty information, product support, or to inquire about replacement parts, please refer to the documentation included in your product packaging or visit the official TAMIYA website.

TAMIYA Official Website: www.tamiya.com