Traxxas 39036 E-Maxx Owner'S Manual Download

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E-MAXX • 17

4. Return the throttle trigger to neutral. 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 throttle trigger to neutral. Note that there is no

programmed delay when changing from reverse to forward. Use caution to
avoid slamming the speed control from reverse to forward. On high-traction
surfaces, this could result in transmission or driveline damage.

7. To turn the EVX-2 off, press the EZ-Set button until the red LED turns off.

Thermal Shutdown Protection

The EVX-2 is equipped with thermal shutdown protection to guard against
overheating caused by excessive current flow. If the operating temperature exceeds
safe limits, the EVX-2 will automatically shut down and the EVX-2 LED will flash red.
The LED on the face of the EVX-2 will continuously flash red, even if the throttle
trigger is moved back and forth. After the speed control cools down to a safe level,
the LED will continuously shine red. The EVX-2 will once again function normally.

EVX-2 Profile Selection

The speed control is factory set to Profile #1. To change the profile, follow
the steps on described below. The speed control should be connected to the
receiver and battery, and the transmitter should be adjusted as described
previously. The profiles are selected by entering the programming mode.

EVX-2 Profile Description

Profile #1 (Sport Mode): 100% Forward, 100% Brakes, 100% Reverse
Profile #2 (Race Mode): 100% Forward, 100% Brakes, No Reverse
Profile #3 (Training Mode): 50% Forward, 100% Brakes, 50% Reverse

Selecting Sport Mode (Profile #1)

1. Connect two fully charged battery packs to

the EVX-2 and turn on your transmitter.

2. With the EVX-2 off, press and hold the EZ-Set

button until the light turns solid green,
then solid red and then begins blinking red
(indicating the Profile numbers).

3. When the light blinks red once, 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 Race Mode (Profile #2)

1. Connect two fully charged battery packs to

the EVX-2 and turn on your transmitter.

2. With the EVX-2 off, press and hold the EZ-Set

button until the light turns solid green,
then solid red and then begins blinking red
(indicating the Profile numbers).

3. When the light 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)

1. Connect two fully charged battery packs to the

EVX-2 and turn on your transmitter.

2. With the EVX-2 off, press and hold the EZ-Set

button until the light turns solid green,
then solid red and then begins blinking red
(indicating the Profile numbers).

3. When the light blinks red three times, 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.

Note

: If you missed the mode you wanted, keep the EZ-Set button pressed down

and the blink cycle will repeat until a Mode is selected.

LED Codes and Protection Modes
• Solid Green:

EVX-2 power-on light. Low-Voltage Detection is ACTIVATED

(LiPo setting).

• Solid Red:

EVX-2 power-on light. Low-Voltage Detection is DISABLED

(NiCad/NiMH setting).

Never use LiPo batteries while Low-Voltage Detection

is disabled.

• Fast Blinking Red:

The EVX-2 is equipped with thermal shutdown protection

to guard against overheating caused by excessive current flow. If the operating
temperature exceeds safe limits, the EVX-2 will automatically shut down. Let
the EVX-2 cool. Make sure your model is properly geared for the conditions (see
page 24).

• Slow Blinking Red (with Low-Voltage Detection on):

The EVX-2 has entered

Low-Voltage Protection. When the battery voltage begins to reach the
minimum recommended discharge voltage threshold for LiPo battery packs,
the EVX-2 will limit the power output to 50% throttle. When the battery voltage
attempts to fall below the minimum threshold, the EVX-2 will shut down all
motor output. The LED on the speed control will slowly blink red, indicating a
low-voltage shutdown. The EVX-2 will stay in this mode until a fully charged
battery is connected.

• Fast Blinking Green:

The EVX-2’s LED will blink fast green if Throttle Neutral

Protection is activated, or if the speed control is not receiving a signal. Make
certain the speed control is properly plugged into the receiver and the
transmitter is switched on. If this does not restore normal operation, then the
EVX-2 is indicating the transmitter’s Throttle Trim (see page 13) is incorrectly
set. Reset the throttle trim to the “0” position.

ADJUSTING THE ELECTRONIC SPEED CONTROL

*Patent-pending

Patent Pending Training Mode
(Profile #3) reduces forward and
reverse throttle by 50%. Training
Mode is provided to reduce
the power output allowing
beginning drivers to better
control the model. As driving
skills improve, simply change
to Sport or Race Mode for full-
power operation.

Tip For Fast Mode Changes

The EVX-2 is set to Profile 1 (Sport
Mode) as the default. To quickly
change to Profile 3 (Training
Mode), with the transmitter on,
press and hold the SET button until
the light blinks red three times and
then release. For full power, quickly
change back to Profile 1 (Sport
Mode) by pressing and holding the
SET button until the light blinks red
one time and then releasing.

Throttle Neutral Protection
Your model’s EVX-2 speed control
also features Throttle Neutral
Protection. If the transmitter’s
throttle trim setting is changed
while the speed control is
switched off, Throttle Neutral
Protection prevents the speed
control from activating the motor
until the throttle trim is corrected.
Throttle Neutral Protection
also prevents the model from
suddenly accelerating if the
speed control is switched on
while the transmitter’s trigger
is being held. When the trigger
is returned to neutral, the EVX-2
will operate properly.

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Summary of Contents for 39036 E-Maxx

Page 1: ...MODEL 3903 owners manual ...

Page 2: ... factory support possible Traxxas models are about experiencing total performance and satisfaction not just with your model but also with the company that stands behind it We know you re excited about getting your new model on the road but it s very important that you take some time to read through the Owners Manual This manual contains all the necessary set up and operating procedures that allow ...

Page 3: ...sted 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 controlled by radio it is subject to radio interference from many sources that are beyond your control Since radio interference can cause...

Page 4: ...e Detection that alerts the driver when LiPo batteries have reached their minimum voltage discharge threshold It is the driver s responsibility to stop immediately to prevent the battery pack from being discharged below its safe minimum threshold Low Voltage Detection on the speed control is just one part of a comprehensive plan for safe LiPo battery use It is critical for you the user to follow a...

Page 5: ...liers Philips screwdriver Soldering iron For more information on batteries see Use the Right Batteries on page 11 Pre load spacers and shock pistons on parts tree seepage21 Foam blocks battery spacers seepage12 2 0mm T wrench 8mm 5mm wrench Antenna nut wrench 2 5mm L wrench Suspension multi tool Body clips Universal wrench 4 AA alkaline batteries Two 7 cell NiMH battery packs with Traxxas High Cur...

Page 6: ...Body Mount Hex Hub Suspension Arm Rear Axle Carrier Pivot Ball Toe Link Turnbuckle Receiver Box Front Bulkhead Front Differential Skid Plate Light Pipe Steering Servo Steering Servo Front Body Mount Battery Hold Down Battery Compartment Electronic Speed Control EVX 2 Battery Compartment Battery Hold Down Motors Titan Slipper Clutch Access Plug Rear Bumper Skid Plate Rear Bulkhead Spur Gear Pinion ...

Page 7: ... 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 running condition 4 Install battery packs in the model See page 12 Your model requires two fully charged battery packs included 5 Turn on the radio system See page 13 Make a habit of turning the transmitter on first and off last 6 Check se...

Page 8: ...OSFET power transistors to provide precise digital proportional throttle control Electronic speed controls use power more efficiently than mechanical speed controls so that the batteries run longer An electronic speed control also has circuitry that prevents loss of steering and throttle control as the batteries lose their charge 550 and 540 These numbers refer to the size of the motor 550 motors ...

Page 9: ...erminal and ground Using the analogy of the garden hose while current is the quantity of water flow in the hose voltage corresponds to the pressure that is forcing the water through the hose IMPORTANT radio system Precautions For maximum range always point the front of transmitter toward the model Do not kink the receiver s antenna wire Kinks in the antenna wire will reduce range DO NOT CUT any pa...

Page 10: ...t Connector Channel 2 EVX 2 Electronic Speed Control Channel 1 Steering Servos EVX 2 Wiring Diagram Your model is equipped with the newest TQi 2 4 GHz transmitter with Traxxas Link Model Memory The transmitter has two channels for controlling your throttle and steering The receiver inside the model has 5 output channels Your model is equipped with one servo and an electronic speed control Transmit...

Page 11: ...t the first sign of weak batteries flashing red light to avoid losing control TRAXXAS TQi RADIO SYSTEM 3 INSTALLING TRANSMITTER BATTERIES Your TQi transmitter uses 4 AA batteries The battery compartment is located in the base of the transmitter 1 Remove the battery compartment door by pressing the tab and sliding the door open 2 Install the batteries in the correct orientation as indicated in the ...

Page 12: ... Your 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 the EVX 2 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 engi...

Page 13: ...The throttle neutral adjustment is located on the transmitter face and controls the forward reverse travel of the throttle trigger Change the adjustment by pressing the button and sliding it to the desired position There are two settings available 50 50 Allows equal travel for both acceleration and reverse 70 30 Allows more throttle travel 70 and less reverse travel 30 Note We strongly recommend t...

Page 14: ... 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 Higher Speeds Require Greater Distance The faster you drive your model the more quickly it will near the limit of radio range At 60mph a model can cov...

Page 15: ...eering Sensitivity Negative Exponential By turning the Multi Function knob clockwise the steering sensitivity of the model will be decreased Note that a relatively large amount of steering wheel travel results in a smaller amount of servo travel The farther you turn the knob the more pronounced the effect becomes Decreased steering sensitivity may be helpful when driving on low traction surfaces w...

Page 16: ... neutral 4 Press and hold the EZ Set button A The LED will first turn green and then red Release the EZ Set button 5 When the LED blinks RED ONCE Pull the throttle trigger to the full throttle position and hold it there B 6 When the LED blinks RED TWICE Push the throttle trigger to the full reverse and hold it there C 7 When the LED blinks GREEN ONCE programming is complete The LED will then shine...

Page 17: ...mended discharge voltage threshold for LiPo battery packs the EVX 2 will limit the power output to 50 throttle When the battery voltage attempts to fall below the minimum threshold the EVX 2 will shut down all motor output The LED on the speed control will slowly blink red indicating a low voltage shutdown The EVX 2 will stay in this mode until a fully charged battery is connected Fast Blinking Gr...

Page 18: ... of the wide variation in the 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 bat...

Page 19: ...ll restrict the tires and put much higher loads on the motors Motor Precautions Titan motor life can be greatly reduced in mud and water If the motors get excessively wet or submerged use very light throttle run the motors slowly until the excess water can run out Applying full throttle to a motor full of water can cause rapid motor failure Your driving habits will determine motor life with wet mo...

Page 20: ...ent pending wire clamp feature gives you the ability to also install aftermarket radio systems and maintain the watertight features of the receiver box Removing the Receiver 1 To remove the cover remove the two 3x10mm button head cap screws 2 To remove the receiver from the box simply lift it out and set to the side The antenna wire is still inside the clamp area and cannot be removed yet 3 Remove...

Page 21: ...e pistons with a range of oil viscosities from 30W to 50W available from your hobby shop The thinner viscosity oils 30W or less flow with less resistance and provide less damping while thicker oils provide more damping Use only 100 pure silicone shock oil to prolong seal life From the factory the E Maxx uses 30W oil The ride height for the E Maxx can be adjusted by adding or removing the clip on s...

Page 22: ...air of lower shock mounting holes 1 2 and 3 4 has equal ride height Use lower ride height for high speed cornering and flat terrain and when racing on relatively smooth tracks Increase the ride height for rougher terrain and tracks Upper Shock Mounting Positions The upper shock mounting positions will have suspension effects opposite from the lower shock mounting positions Spring rate at the wheel...

Page 23: ...ut Note When camber is changed the toe angle of the wheel has to be reset Static Camber Base Factory Settings Front 1 degree negative camber each side Rear 1 degree negative camber each side TRANSMISSION TUNING Adjusting the Slipper Clutch The E Maxx is equipped with an adjustable Torque Control slipper clutch which is built into the large spur gear The purpose of the slipper clutch is to regulate...

Page 24: ... gear chart Going Brushless Brushless motors provide increased power output and greater efficiency The E Maxx is designed with extra transmission and driveline strength to make it capable of handling extreme brushless power One or two brushless motors may be used A specially designed motor plate part 3997X and gear cover part 3977X are available for optimized single motor installations If you plan...

Page 25: ...is also parallel to the servo horns If not make small adjustments to the length of the link so the everything is parallel 8 The steering should operation correctly with equal travel left and right Now connect the second servo 9 Confirm the length of the center drag link 89 5mm see template below 10 Connect the center drag link to one of the steering servos Check for alignment with the holes in the...

Page 26: ...tors Use a product such as electric motor cleaning spray to flush dirt out of the motors After cleaning lubricate the bushings at each end of the motors with a drop of light weight electric motor oil 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 th...

Page 27: ...ent what you wish to be the servo s maximum travel the Steering Percentage or Braking Percentage functions will not override the End Point settings Steering and Throttle Sub Trim The Sub Trim function is used to precisely set the neutral point of the steering or throttle servo in the event that simply setting the trim knob to zero does not completely center the servo When selected Sub Trim allows ...

Page 28: ...en four times repeatedly 4 Press SET once The status LED will blink green once repeatedly 5 Press MENU once The status LED will blink green twice repeatedly 6 Press SET The memory is now selected to be deleted Press SET to delete the model Press and hold MENU to return to driving mode Failsafe Your Traxxas radio system is equipped with a built in failsafe function that returns the throttle to its ...

Page 29: ... to desired endpoint and press set to save To reset max throw Let go of controls and press SET The menu tree below shows how to navigate through the TQi transmitter s various settings and functions Press and hold MENU to enter the menu tree and use the following commands to navigate through the menu and select options MENU When you enter a menu you always start at the top Press MENU to move down t...

Page 30: ... LED blinks Press SET red LED blinks x3 Press MENU twice red LED blinks x3 Turn steering wheel to desired max left and right travel x8 Press SET to save each position Turn steering wheel to test settings IF END POINTS ARE OK Press hold MENU returns to driving mode IF END POINTS NEED TO BE CHANGED Press SET and repeat steps 6 8 To reset the END POINTS of STEERING servo to defaults Press hold MENU g...

Page 31: ...ing of your Traxxas model with stunning visuals and absolute precision Install Traxxas Link telemetry sensors on the model and Traxxas Link displays real time data such as speed RPM temperature and battery voltage Intuitive iPhone and iPod touch interface Traxxas Link makes it easy to learn understand and access powerful tuning options Control Drive Effects settings such as steering and throttle s...

Page 32: ...1100 Klein Road Plano Texas 75074 1 888 TRAXXAS 120529 KC1431 R04 owners manual MODEL 3903 ...

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Traxxas 39036 E-Maxx, Owner'S Manual

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