udiR C UD1202 RC Crawler Off Road Vehicle Instruction Manual

udiR C UD1202 RC Crawler Off Road Vehicle

• Thank you for choosing this product. The remote control model is designed to be fun to drive and uses high quality parts to improve durability and performance. The instruction manual you are reading is to make the product easier to understand and explain more thoroughly. We hope you enjoy this remote control model car. If you have any problems or need help, please call us and we will try our best to help you. You can also contact us through the following website: www.udirc.com.
• This is a radio control model product, not a toy! which needs regular maintenance to obtain the best performance. If you don’t do regular maintenance, it can affect performance. We have all the necessary parts and accessories to ensure that your vehicle maintains its best performance.
• The warning or attention symbol will alert you to potentially dangerous steps. Please read and understand the instructions carefully before proceeding

ATTENTION

Failure to follow these instructions may result in injury to yourself or others. You may also cause property damage or model damage.

WARNING

• The model must stop immediately and check for the reasons when it is operating abnormal.

• Keep in mind that people around you may also operate a radio control model.

• The motor is a heating part, please do not touch it.

• If you don’t use the model for a long time, please raise the chassis to let the wheels hang in the air.

• Please keep the package or instructions as they contain important information.
  

• The product contains small and sharp parts. Keep away from children.
  

• Be sure to read the instruction manual in detail, or ask for the person with experience in operation, and read with the guardian if necessary.
  

•  DO NOT operate in public streets or crowded places to avoid accidents.

• Cutters, nippers and screwdrivers need careful handling.
  

• DO NOT put the model in high temperature, humidity and direct sunlight.

• Please don’t reverse contact or disassemble the battery, as this way will cause the battery to explode.

WARNING

Before Operation

• Read the instruction manual in detail, or ask for the person with experience in operation, and read with the guardian if necessary.
• Make sure all screws and nuts are properly tightened.
• The remote control and the vehicle should always use the battery with saturated power to avoid losing control of the model.
• Please make sure that the throttle trigger is in the center position.

During Operation

• First turn on the power of the remote control, and then turn on the power of the model.
• Use this product only in open areas (>4x4m) without pedestrians.
• DO NOT put fingers or any objects inside rotating and moving parts.

After Operation

• First turn off the model power, then turn off the remote control power. And take out the battery.
• Daily maintenance is required after the model is used.
• Please read and observe all precautions before use. Improper use of battery may cause danger.
• It is normal for the battery to heat up after operation. Please be careful when handling the battery. If the wire is worn, it is easy to short circuit and cause fire.
• Wasted li-ion battery must not be placed with household trash. please contact local environmental or waste agency or the supplier of your model or your nearest li-ion battery recycling center.

Battery safety

1. After use, please disconnect the power supply and pull out the plug;
2. Remove the battery from the model before charging;
3. DO NOT charge the battery when it is bulging or expanding;
4. Keep away from damp, corrosive environment and heat source;
5. Please charge the battery under adult supervision;
6. Pay attention to the polarity of the battery when installing or replacing the battery;
7. Different types of batteries or old and new batteries should not be mixed;
8. DO NOT short circuit any terminals;
9. DO NOT short circuit, decompose or put the battery into fire;
10. Please use the attached special charger to charge the battery

WARNING

Warning: The product should only be used by adults and children over 14 years. Adult supervision is required for children under 14 years.

Product maintenance

1. When not in use, remove the battery from the model and transmitter.
2. Apply lubricating oil to external metal parts.
3. Please remove the sediment and dirt on the car completely and must be kept dry after play.
4. Please separate the car and battery when not in use.

Troubleshooting

Cause  Solution

• Remote control car doesn’t work
  • When the battery is low, charger it in time or replace it with new battery.
  • Please make sure the wheel or drive shaft is entangled by debris and remove it.
  • The motor may have reached the expiration date, replace with the same motor.
  • Please keep the car within effective control distance.
  • When the battery of the transmitter in low battery, please replace it in time.
  • Check whether all parts of the model car are damaged and replace them.
  • High temperature protection is triggered when the ESC’s temperature is too high, Please pause for 10 minutes before using.
• Long frequency matching time
  • The signal is disturbed, restart the car and the transmitter.
• Operation delay
  • Please make sure there are obstacles or interferences.
• The vehicle moves forward (backward) automatically or makes a sound of “en”
  • Restart the transmitter
• The indicator of the transmitter is not bright
  • Please make sure the battery is installed correctly or replace it with a new one.
  • If the transmitter doesn’t work, please replace it with a new one.
• The steering of the model car has no force or function
  • increase the percentage of steering.
  • Please make sure the steering is it include the sundries or some parts damaged.

Model Car Summary

Electronic speed controller

Preparation of transmitter

ATTENTION

1. There is no ESP function when the remote control car retreats.
2. When the remote control car is moving forward, it is necessary to pull the throttle trigger backward to reach more than 30% of the stroke before the gyroscope starts to work.
3. With the increase of car speed, the gyroscope action ratio also increases synchronously

Assembly of the transmitter battery

Open battery cover at the bottom of transmitter. Install batteries. Follow the direction of batteries designated in the inside of the battery box.

Adjustment of gyroscope action ratio

This product has the function of ESP car stability system, which can effectively correct the car attitude and direction when the car skids or loses control. The function and sensitivity of the car gyroscope sensor can be adjusted through the ESP knob of the transmitter

Steering range adjustment

The steering range adjustment knob can be used to adjust the left and right steering angle of the car.

Steering trim

When the steering wheel is in the center position, if the car can not drive in a straight line, please use the steering trim knob to adjust and correct the left and right directions of the front wheels

Battery charging

The battery contains less power when leaving the factory, so it must be charged and saturated before use.

Connect the attached charger with the model battery charging input port, and then connect other USB output ports. When charging, the charging indicator is flashing, and the indicator is always on after charging. Do not put the battery in the model when charging. The battery must be cooled before charging

• Please use the charging box provided with the product and make sure it is connected properly.

Warning: someone must be watching while charging.

Assembly of model battery

Operational guidance

Frequency matching

After the car power is turned on, the transmitter and the car will carry out automatic frequency matching. When the indicator light of the transmitter and the car lights are always on, the frequency matching is successful. In the process of frequency matching, the car lights will flash rapidly. At this time, the gyroscope is being calibrated automatically. Please place the car on the level ground to complete this operation. After calibration, the car lights return to normal.

Manipulation method

Parts exploded view

Installation of wheels

Use the hexagon nut wrench to take out the nut fixing the tire(M02-003) and remove the old tires. Put on new tires.

Assembly of front suspension arm

Assembly of rear suspension arm

Assembly of steering servo

Assembly of front(rear) differentials

Assembly of front bumper

Assembly of rear bumper

Assembly of motor

Front and rear shock absorbers

Assembly of chassis

Installation of Bracket and Bulkhead tie bars

Buyable accessories

CAUTION: The above pictures and contents are for reference only and are subject to change without notice. Please subject to the parts actually sold.

FCC Note

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

WARNING: Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.

FCC Notice
The equipment may generate or use radio frequency energy. Changes or modifications to this equipment may cause harmful interference unless the modifications are expressly approved in the instruction manual. Modifications not authorized by the manufacturer may void user’s authority to operate this device.

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:

1. This device may not cause harmful interference.
2. This device must accept any interference received, including interference that may cause undesired operation.

FCC Radiation Exposure Statement

• The device has been evaluated to meet general RF exposure requirement.
• The device can be used in portable exposure condition with out restriction.

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