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8 • 1/16 SUMMIT

THE TRAXXAS TQ RADIO SYSTEM

Your model is equipped with the Traxxas TQ Radio System is a 2-channel 
system that provides high-power output up to a quarter mile. Your 
model uses one steering servo and an electronic speed control. The 
receiver is equipped with four channels and dual channel 1 outputs.

XL-2.5 Wiring Diagram

MOTOR

MOTOR

TQ TRANSMITTER

Antenna

Steering Trim

Throttle Trim

Throttle 

Trigger

Throttle Neutral Adjust

Steering Wheel

Power Switch

Battery Compartment

Servo 

Reversing

Switch

Power Indicator

RADIO SYSTEM WIRING DIAGRAM

Antenna

Receiver

Crystal

Motor

(Titan

® 

12T)

High-Current

Connector

Channel 2

XL-2.5 

Electronic 

Speed Control

Channel 1

Steering Servo

*Extra CH1, CH3 and BATT/CH4 are not used

To Motor

LED

EZ-Set Button

Heat Sinks

XL-2.5 ELECTRONIC SPEED CONTROL

High-Current

Battery Connector

Summary of Contents for 1/16 Summit 7205

Page 1: ...owners manual MODEL 7205 ...

Page 2: ...h your model but also with the company that stands behind it We know you re excited about getting your new model on the road or trail but it s very important that you take some time to read through the Owner s Manual This manual contains all the necessary setup and operating procedures that allow you to unlock the performance and potential that Traxxas engineers designed into your model Even if yo...

Page 3: ... followed and the precautions are adhered to IMPORTANT POINTS TO REMEMBER Your model is not intended for use on public roads or congested areas where its operation can conflict with or disrupt pedestrian or vehicular traffic Never under any circumstances operate the model in crowds of people Your model is very fast and could cause injury if allowed to collide with anyone Because your model is cont...

Page 4: ...or the battery backs properly In addition to your battery and charger instructions here are some more tips to keep in mind Use the supplied charger to charge the included battery See Charging the Battery Pack on page 10 Never leave batteries to charge unattended Remove the battery from the model while charging Always unplug the battery from the electronic speed control when the model is not in use...

Page 5: ...wn with your finger as you go This will prevent air bubbles Placing both ends of the decal down and then trying to smooth it out will result in air pockets Look at the photos on the box for typical decal placement TIRE GLUING The factory tires on your model are already glued to the rims The tires must be glued to the rims to prevent the rims from spinning inside the tires The instructions here are...

Page 6: ... Rear Body Mount Hex Hub Rear Suspension Arm Axle Carrier Pivot Ball Toe Link Light Pipe Receiver Box Steering Servo Front Body Mount Battery Compartment Door Battery Compartment Vent Electronic Speed Control XL 2 5 Motor Titan 12T Battery Door Release Tab Slipper Clutch Rocker Rocker Push Rod Push Rod Spring Preload Adjuster Traxxas High Current Connector ...

Page 7: ...the radio system See page 13 Fully charge the battery pack included with your model Follow this procedure to make sure your radio system works properly at a distance and that there is no interference from outside sources 3 Install the antenna See page 10 9 Detail your model See page 5 Install the antenna mast in the model Apply other decals if desired 4 Install batteries in the transmitter See pag...

Page 8: ...XL 2 5 Wiring Diagram MOTOR MOTOR TQ TRANSMITTER Antenna Steering Trim Throttle Trim Throttle Trigger Throttle Neutral Adjust Steering Wheel Power Switch Battery Compartment Servo Reversing Switch Power Indicator RADIO SYSTEM WIRING DIAGRAM Antenna Receiver Crystal Motor Titan 12T High Current Connector Channel 2 XL 2 5 Electronic Speed Control Channel 1 Steering Servo Extra CH1 CH3 and BATT CH4 a...

Page 9: ...ergy density and current handling in a compact size These are high performance batteries that require special care and handling For advanced users only mAh Abbreviation for milliamp hour A measure of the capacity of the battery pack The higher the number the longer the battery will last between recharges Neutral position The standing position that the servos seek when the transmitter controls are ...

Page 10: ...hly charged batteries The power indicator light does not indicate the charge level of the battery pack installed in the model SETTING UP THE ANTENNA 1 Locate the black antenna wire that exits the receiver box 2 Pull the wire straight with your fingers and then insert the end of the wire into one end of the antenna tube the antenna tube can be found in the documents bag Push the wire all the way th...

Page 11: ...ur model is equipped with the Traxxas High Current Connector Standard connectors restrict current flow and are not capable of delivering the power needed to maximize the output of your model The Traxxas connector s gold plated terminals with a large contact surfaces ensure positive current flow with the least amount of resistance Secure long lasting and easy to grip the Traxxas connector is engine...

Page 12: ...r adjusts the neutral center point of the steering servo when the servo is at rest Adjust this control to make the model drive straight with no steering input at the wheel Servo Reversing Switches The servo reversing switches are located on the front of the transmitter next to the on off switch Moving a switch reverses the direction of the corresponding servo Each switch corresponds to a channel a...

Page 13: ...more on ESC setup and operation To turn the ESC off press the set button until the green LED turns off Always disconnect your battery when the model is not in use Note If the LED shines green Low Voltage Detection is activated This will cause erratic performance from the included NiMH battery pack The default factory setting is for Low Voltage Detection to be disabled LED shines red Make sure to t...

Page 14: ...teps before you begin If you get lost during programming or receive unexpected results simply unplug the battery wait a few seconds plug the battery pack in and start over 1 Disconnect one of the motor wires between the XL 2 5 and the motor This is a precaution to prevent runaway when the speed control is turned on before it is programmed 2 Connect a fully charged battery pack to the XL 2 5 3 Turn...

Page 15: ...ing red indicating the Profile numbers 3 When the LED blinks RED TWICE release the EZ Set button 4 The LED will blink and then turn solid green Low Voltage Detection ACTIVE or red Low Voltage Detection DISABLED The model is ready to drive Selecting Training Mode Profile 3 50 Forward 100 Brakes 50 Reverse 1 Connect a fully charged battery pack to the XL 2 5 and turn on your transmitter 2 With the X...

Page 16: ...e types of batteries that are available and the methods with which they can be charged it s impossible to give exact run times for the model Another major factor which affects run time is how the model is driven Run times may decrease when the model is driven repetitively from a stop to top speed and with repetitive hard acceleration Tips for Increasing Run Time Use batteries with the highest mAh ...

Page 17: ...bmerge the motor under water Do not gear the motor by temperature when running in wet conditions The motor will be cooled by water contact and will not give an accurate indication of appropriate gearing After Running Your Vehicle in Wet Conditions 1 Drain the tires by spinning the tires at full throttle to sling the water out An easy way to do this is to remove the body and set the model upside do...

Page 18: ...an now access the receiver Unplug the servo cables from the receiver and remove the receiver Receiver Installation 1 Route the antenna wire out of the receiver box cover A Place the cover on the chassis 2 Route the servo and speed control leads into the receiver box cover Use the molded in wire guides to align the servo and speed control leads and antenna wire B 3 Apply a small bead of silicone gr...

Page 19: ...nsion damping effect Changing the oil to a higher viscosity oil will increase damping Lowering the viscosity of the oil will cause the suspension damping to be reduced Damping should be increased with higher viscosity oil if the model is bottoming easily over jumps Damping should be decreased with thinner viscosity oil if the model is hopping over small bumps and feels unstable The viscosity of sh...

Page 20: ...urpose of the slipper clutch is to prevent over stressing of the drivetrain and transmission gears It may also be used to regulate the amount of power sent to the rear wheels to prevent tire spin When it slips the slipper clutch makes a high pitch whining noise To adjust the slipper clutch first remove the receiver box cover Next remove the single large hex screw from the motor plate using the sup...

Page 21: ...r Installation To access the motor remove the gear cover by removing the single screw on the top of the gear cover The motor uses an aluminum mount for quick easy motor access and gearing adjustment To remove the motor first open the right battery door and slide out the ESC Next remove the single large hex screw using the supplied 2 5mm wrench Then rotate the motor and mount to the side of the mod...

Page 22: ...erent specifications Experimentation with different types of tires is recommended to see which ones work the best on the terrain where the model is run Soft compound tires with many short spikes generally work better on hard dry surfaces In loose dirt a tire with large spikes should perform better Foam tires can be fitted for use on pavement or indoor carpet tracks See your parts list for accessor...

Page 23: ...Keep the chassis clean of accumulated dirt and grime Periodically inspect the chassis for damage Shocks Keep the oil level in the shocks full Use only 100 pure silicone shock oil to prolong the life of the seals If you are experiencing leakage around the top of the shock inspect the bladder in the top cap for signs of damage or distortion from overtightening If the bottom of the shock is leaking t...

Page 24: ...1100 Klein Road Plano Texas 75074 1 888 TRAXXAS 120425 KC1344 R01 MODEL 7205 owners manual ...

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