TAMIYA 18625

Tamiya 18625 Mini 4WD JR Dash-1 Emperor MS Chassis Instruction Manual

Model: 18625

Introduction

This manual provides detailed instructions for the assembly, operation, and maintenance of your Tamiya 18625 Mini 4WD JR Dash-1 Emperor MS Chassis model kit. Please read this manual thoroughly before beginning assembly to ensure correct construction and optimal performance.

The Tamiya Mini 4WD JR Dash-1 Emperor MS Chassis is a high-performance model designed for racing on dedicated Mini 4WD tracks. It features a mid-ship motor layout for excellent balance and stability.

Important Note: Batteries are not included with this kit and must be purchased separately.

Safety Precautions

  • Recommended age for assembly and use is 14 years and up. Adult supervision is advised for younger users.
  • Keep small parts out of reach of young children to prevent choking hazards.
  • Use appropriate tools for assembly. Exercise caution when using sharp tools.
  • Do not operate the model in wet conditions or near water.
  • Ensure batteries are inserted with correct polarity. Remove batteries when the model is not in use for extended periods.

Setup and Assembly

Follow these steps carefully to assemble your Tamiya Mini 4WD JR Dash-1 Emperor MS Chassis.

1. Unpacking and Part Identification

Carefully open the packaging and lay out all components. Refer to the included parts list diagram to identify each part. Ensure all parts are present before starting assembly.

2. Chassis Assembly

  1. Begin by assembling the MS Chassis components. This typically involves connecting the front, center, and rear units.
  2. Install the motor into the central chassis unit. Ensure it is securely seated.
  3. Attach the gears to the motor shaft and axle shafts as per the diagram. Apply a small amount of grease to the gears for smooth operation.
  4. Mount the wheels and tires onto the axles. Ensure they spin freely.
  5. Install the battery terminals and switch.

3. Body Assembly and Decals

  1. Carefully cut out the body shell from the plastic runner. Smooth any rough edges with a hobby knife or sandpaper.
  2. Apply the included decals to the body shell according to the reference images. Use tweezers for precise placement.
  3. Attach the completed body shell to the chassis.
Assembled Tamiya Mini 4WD JR Dash-1 Emperor MS Chassis

Image: The fully assembled Tamiya Mini 4WD JR Dash-1 Emperor MS Chassis, showcasing its distinctive white, orange, and blue body with black wheels and a mid-mounted motor design.

Operating Instructions

1. Battery Installation

  • Open the battery compartment cover, usually located on the underside of the chassis.
  • Insert two AA batteries (not included) into the compartment, ensuring correct polarity (+/-).
  • Close the battery compartment cover securely.

2. Starting the Model

  • Locate the power switch on the chassis (typically a sliding switch).
  • Slide the switch to the "ON" position. The motor will begin to spin, and the wheels will rotate.

3. Running the Model

  • Place the Mini 4WD on a flat, smooth surface or a dedicated Mini 4WD track.
  • The model will move forward. Its direction and speed are determined by its chassis setup and motor.
  • For optimal performance, use on a track designed for Mini 4WD vehicles.

4. Stopping the Model

  • Slide the power switch to the "OFF" position.
  • Remove batteries if the model will not be used for an extended period.

Maintenance

Regular maintenance ensures the longevity and performance of your Mini 4WD model.

  • Cleaning: After each use, gently wipe down the chassis and body with a soft, dry cloth to remove dust and debris. Avoid using water or harsh chemicals.
  • Gear Lubrication: Periodically check the gears for wear and reapply a small amount of Tamiya-recommended grease to ensure smooth operation and reduce friction.
  • Wheel and Tire Inspection: Ensure wheels are securely attached and tires are free from damage or excessive wear. Replace worn tires for better grip.
  • Battery Terminals: Keep battery terminals clean and free of corrosion.
  • Storage: Store the model in a cool, dry place away from direct sunlight and extreme temperatures. Remove batteries before long-term storage.

Troubleshooting

ProblemPossible CauseSolution
Model does not move.
  • Power switch is OFF.
  • Batteries are dead or incorrectly installed.
  • Motor or gear issue.
  • Turn power switch ON.
  • Replace batteries or check polarity.
  • Inspect motor and gears for proper connection and lubrication.
Model runs slowly.
  • Low battery power.
  • Gears are dirty or lack lubrication.
  • Friction from misaligned parts.
  • Replace batteries.
  • Clean and lubricate gears.
  • Check for proper assembly and alignment of all moving parts.
Wheels do not spin freely.
  • Axles are bent or obstructed.
  • Wheels are too tight against the chassis.
  • Straighten or replace axles. Remove any obstructions.
  • Adjust wheel position on axles to ensure clearance.

Specifications

  • Model Number: 18625
  • Brand: TAMIYA
  • Product Type: Mini 4WD Model Kit
  • Chassis Type: MS Chassis
  • Dimensions (Approximate): 9.45 x 5.59 x 2.13 inches (240 x 142 x 54 mm)
  • Weight (Approximate, without batteries): 7.8 ounces (221 grams)
  • Power Source: 2 x AA batteries (not included)
  • Recommended Age: 14 years and up
  • Manufacturer: Tamiya

Warranty and Support

Tamiya products are manufactured to high standards. For specific warranty information, please refer to the documentation included in your product packaging or visit the official Tamiya website. For technical support or inquiries regarding replacement parts, please contact Tamiya customer service directly.

Tamiya Official Website: www.tamiya.com

Note: Warranty terms may vary by region. Please retain your proof of purchase.

© 2023 Tamiya. All rights reserved. This manual is for informational purposes only.