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14 • 1/16 SUMMIT VXL

USING THE RADIO SYSTEM

The TQ 2.4GHz Radio System has been adjusted at the factory for 
correct operation with your model. The adjustment should be checked 
before running the model, in case of movement during shipping. Here’s 
how:

1.  Turn the transmitter switch on. The status LED on the transmitter 

should be solid green (not flashing).

2. 

Elevate the model on a block or a stand so that all the tires are 
off the ground.

 Make sure your hands are clear of the moving 

parts of the model.

3.  Plug the battery pack in the model into the speed control. 

4.  The on/off switch is integrated into the speed control. With the 

transmitter on, press and release the EZ-Set button (.25 seconds). 
The LED will shine RED (see note, below).  This turns the model 
on. To turn the VXL-3m off, press and hold the EZ-Set button 
until the LED turns off (.5 seconds).  

Note: 

If the LED shines 

green, Low-Voltage Detection is activated. This may cause poor 
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 turn the Low-Voltage Detection 
on when using LiPo batteries. 

Never use LiPo batteries while 

Low-Voltage Detection is turned off. 

See page 17 for more 

information.

5.  Turn the steering wheel on the transmitter back and forth and 

check for rapid operation of the steering servo. Also, check that 
the steering mechanism is not loose or binding. If the steering 
operates slowly, check for weak batteries.

6.  When looking down 

at the model, the front 
wheels should be 
pointing straight ahead. 
If the wheels are turned 
slightly to the left or right, 
slowly adjust the steering 
trim control on the 
transmitter until they are pointing straight ahead. 

7.  Gently operate the throttle trigger to ensure that you have 

forward and reverse operation, and that the motor stops when 
the throttle trigger is at neutral. 

Warning

Do not apply full 

throttle in forward or reverse while the model is elevated.

8.  Once adjustments are made, turn off the receiver on your model, 

followed by the hand-held transmitter.

Range-Testing the Radio System

Before each running session with your model, you should range-test 
your radio system to ensure that it operates properly.

1.   Turn on the radio system and check its operation, as described in 

the previous section.

2.   Have a friend hold the model. Make sure hands and clothing are 

clear of the wheels and other moving parts on the model.

3.   Walk away from the model with the transmitter until you reach 

the farthest distance you plan to operate the model.

4.   Operate the controls on the transmitter once again to be sure 

that the model responds correctly. 

5.   Do not attempt to operate the model if there is any problem 

with the radio system or any external interference with your 
radio signal at your location. 

 

Using Reverse: While driving, 
push the throttle trigger 
forward to apply brakes. 
Once stopped, return the 
throttle trigger to neutral. 
Push the throttle trigger 
forward again to engage 
proportional reverse. 

TRAXXAS TQ 2.4GHz RADIO & VELINEON POWER SYSTEM

7, 8

The TQ 2.4GHz transmitter has a directional antenna. For 
maximum range, hold the antenna upright and pointed in 
the direction of the model. Pointing the transmitter away 
from the model will reduce radio range.

Summary of Contents for 1/16 Summit VXL 72074

Page 1: ...owner s manual MODEL 72074...

Page 2: ...f the way Refer to the next page to find out how to contact us and what your support options are Quick Start This manual is designed with a Quick Start path that outlines the necessary procedures to g...

Page 3: ...r question at support Traxxas com Join thousands of registered members in our online community at Traxxas com Traxxas offers a full service on site repair facility to handle any of your Traxxas servic...

Page 4: ...t is being stored or transported Allow the battery pack to cool off between runs before charging Do not use battery packs that have been damaged in any way Do not use battery packs that have damaged w...

Page 5: ...G THE DECALS The main decals for your model have been applied at the factory Additional decals are printed on self adhesive clear mylar and are die cut for easy removal Use a hobby knife to lift the c...

Page 6: ...Shock Traxxas High Current Connector Chassis Front Body Mount Rear Body Mount Push Rod Hex Hub Pivot Ball Axle Carrier Rocker Front Bumper Transmission Spring Pre load Adjuster Slipper Clutch LED Ligh...

Page 7: ...11 11 Maintaining your model See page 25 The transmitter requires 4 AA alkaline or rechargeable batteries Follow these critical steps to maintain the performance of your model and keep it in excellent...

Page 8: ...ated with brushless motors Typically it is a slight stutter noticed when accelerating from a stop It happens for a very short period as the signals from the electronic speed control and the motor sync...

Page 9: ...face of the transmitter Thermal Shutdown Protection Temperature sensing electronics used in the electronic speed control detect overloading and overheating of the transistor circuitry If excessive tem...

Page 10: ...3m ELECTRONIC SPEED CONTROL Your model is equipped with the Traxxas TQ 2 4GHz transmitter The transmitter has two channels Channel one operates the steering and channel two operates the throttle The r...

Page 11: ...ed while charging INSTALLING THE RECEIVER ANTENNA The receiver antenna and antenna tube must be properly installed before operating your model Follow these steps to install the antenna and antenna tub...

Page 12: ...batteries into the Y harness sold separately The harness connects the two packs in series The two 7 2 volt 6 cell battery packs will operate as one 14 4 volt 12 cell battery pack 4 Plug the Y harness...

Page 13: ...u accidentally reset the direction of a channel Do not reverse the steering or throttle channels unless necessary Steering reversing procedure 1 Press and hold the SET button on the transmitter for tw...

Page 14: ...uld be pointing straight ahead If the wheels are turned slightly to the left or right slowly adjust the steering trim control on the transmitter until they are pointing straight ahead 7 Gently operate...

Page 15: ...oth the transmitter and the receiver turn solid green the system is bound and ready for use Confirm that the steering and throttle operate properly before driving your model TRAXXAS TQ 2 4GHz RADIO VE...

Page 16: ...eutral The LED will shine RED 5 Move the throttle trigger forward again to engage reverse Profile 1 The LED will turn off Once full reverse power is reached the LED will shine RED 6 To stop return the...

Page 17: ...he speed control will slowly blink red indicating a low voltage shutdown The VXL 3m will stay in this mode until a fully charged battery is connected The electronic speed control is factory set with L...

Page 18: ...es 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 that affects run time is how the model is d...

Page 19: ...ot submerge 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...

Page 20: ...iver 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 b...

Page 21: ...ension 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 wit...

Page 22: ...ission 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 cl...

Page 23: ...model which will reduce performance and may overheat the motor and speed control Use the following formula to calculate the overall ratio for combinations not listed on the gear chart Motor Installati...

Page 24: ...eometry of the model The offsets and dimensions designed into the model s wheels are intentional therefore Traxxas cannot recommend the use of other non Traxxas wheels with different specifications Ex...

Page 25: ...ocks 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 di...

Page 26: ...1100 Klein Road Plano Texas 75074 1 888 TRAXXAS 101108 72074OM N EN R00 owner s manual MODEL 72074...

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