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8 • T-MAXX 3.3 OWNER’S MANUAL

RADIO SYSTEM PRECAUTIONS

• Do not kink the receiver’s antenna wire. Kinks in the antenna wire will 

reduce range.

• DO NOT CUT any part of the receiver’s antenna wire. Cutting the 

antenna will reduce range.

• Extend the antenna wire in the model as far as possible for maximum 

range. It is not necessary to extend the antenna wire out of the body, 
but wrapping or coiling the antenna wire should be avoided. 

• The antenna wire must be installed into the antenna tube to protect 

it from getting cut or damaged, which will reduce range. When 
installing the antenna wire into the antenna tube, be careful not 
to kink the wire by pressing it against the antenna tube cap. The 
antenna wire should extend to just below or to within one-half inch 
below the cap.

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 

battery compartment.

3. Reinstall the battery compartment door and snap it closed.

4. Turn on the transmitter and check the status LED for a solid green 

light.

If the status LED flashes red, the transmitter batteries may be weak, 
discharged or possibly installed incorrectly. Replace with new or 
freshly charged batteries. The power indicator light does not indicate 
the charge level of the battery pack installed in the model. 

INSTALLING RECEIVER BATTERIES

The radio receiver in your model uses 4 AA batteries.  
The receiver battery holder is located underneath the 

battery cover. The battery cover can be identified by the on/off switch. 
1. Remove the battery cover by 

removing the two 3x10mm 
buttonhead cap screws 
from the cover. 

2. Remove the battery holder 

and install 4 AA alkaline 
batteries. Make careful 
note of the battery polarity by 
comparing against the diagrams 
in the battery holder.

3. Insert the battery holder into the 

battery cover.

4

Route the battery wires through the slot 
in the battery cover.

 If the wires are not 

properly routed, they may become broken 
or shorted, causing radio system failure and 
loss of control.

 

5. Reinstall the battery cover and secure with the screws.
To prevent losing control of your model, it is important to stop at the first 
sign of weak receiver batteries. Visible warning signals include sluggish 
steering response and shortened radio range. 

If the radio system doesn’t appear to work when the transmitter and 
receiver switches are turned on, check for correct battery installation. 

Use the Right Batteries
Your transmitter uses AA batteries. Use new alkaline batteries. Do 

not use rechargeable AA cells to power the TQi transmitter, as they will not 
provide sufficient voltage for optimum transmitter performance.

Caution: Discontinue running your model at the first sign of weak batteries 
(flashing red light on the transmitter) to avoid losing control.

TRAXXAS TQ

i

 RADIO SYSTEM

Optional Accessory: Rechargeable Receiver Battery

Your model can be upgraded with the RX Power Pack 
NiMH rechargeable receiver battery (part #3037). This 
battery eliminates the 4-cell battery holder and the need 
to replace alkaline batteries. 

Summary of Contents for T-Maxx 3.3 49077

Page 1: ...owner s manual MODEL 49077 1...

Page 2: ...not accept a T Maxx 3 3 for return or exchange after it has been run Warnings Helpful Hints Cross References Throughout this manual you ll notice warnings and helpful hints identified by the icons bel...

Page 3: ...ng Do not use battery packs that have been damaged in any way Do not use battery packs that have damaged wiring exposed wiring or a damaged connector as this may create the risk of fire Children shoul...

Page 4: ...er Small 1 8 inch flat blade screwdriver for tuning Air filter oil Traxxas part 5263 8 AA alkaline batteries 10 quart 5010 20 quart 5020 33 quart 5030 10 gallon 5060 20 gallon 5070 33 gallon 5080 RX P...

Page 5: ...Pipe Exhaust Header TRX 3 3 Racing Engine see pg 13 for details Pressure Line Fuel Line EZ Start Motor EZ Start Plug Bulkhead Body Mount Post Spur Gear Chassis Slipper Clutch Driveshaft Half Shaft On...

Page 6: ...this entire manual for complete instructions on the proper use and maintenance of your model 1 Read the safety precautions on page 3 9 Fill the fuel tank See page 14 For your own safety understand whe...

Page 7: ...iation 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 s...

Page 8: ...BATTERIES The radio receiver in your model uses 4 AA batteries The receiver battery holder is located underneath the battery cover The battery cover can be identified by the on off switch 1 Remove th...

Page 9: ...ff and steering sensitivity will be linear the most commonly used setting Turning the knob clockwise will add expo and decrease the steering sensitivity in the initial range of steering wheel travel l...

Page 10: ...e of travel This setting provides linear servo response the steering servo s movement will correspond exactly with the input from the transmitter s steering wheel Turning the knob clockwise from cente...

Page 11: ...ubic inches or 2 5 cubic centimeters cc The name TRX 2 5 is derived from the cc measurement 20 20 or 20 refers to the size of the engine The TRX 3 3 is 20 cubic inches or 3 3 cubic centimeters cc The...

Page 12: ...best power O ring Rubber O shaped ring used as a sealing gasket Pipe Abbreviation for the tuned exhaust pipe on a nitro engine See Tuned Pipe Piston The piston is the internal engine part that is att...

Page 13: ...t Motor Engine Mount Low Speed Needle Throttle Arm Crankshaft Flywheel Carburetor Air Intake Fuel Intake High Speed Needle Idle Speed Screw EZ Start Plug Positive Wire Negative Wire Fuel Line Fuel Tan...

Page 14: ...e efficiently used in the engine The TRX 3 3 Racing Engine responds exceptionally well to a maximum of 33 nitro returning cooler temps more power and a smoother throttle response For those who want to...

Page 15: ...firmly to the side to release it Do not pull straight up 2 Remove the pre filter element 3 Remove the 3x6mm screw in the end of the filter housing Remove the front housing and the primary filter elem...

Page 16: ...justing screw to control engine idle Do not use the throttle trim on the transmitter to adjust idle speed The idle speed should be set as low as possible and still maintain reliable running Factory Ne...

Page 17: ...ime to find and eliminate the condition that caused the excessive load on the starter motor Use a Strong Starter Battery A weak starter battery or one that has not been fully charged may not deliver e...

Page 18: ...emperature 70 F or 21 C or above the first time you start it If it s cooler than room temperature outside remove all fuel and keep your T Maxx 3 3 indoors until you re ready to start it and then take...

Page 19: ...tical for proper compression and optimum performance If the engine runs too cold during break in the piston and sleeve will not expand to their appropriate sizes for break in and this can lead to prem...

Page 20: ...4 The engine begins to overheat Symptoms of overheating include Steam or smoke coming from the engine not exhaust Hesitation or stalling during acceleration Popping or clattering sound when decelerat...

Page 21: ...than it would in seventy degree weather For this reason we cannot give you a definitive temperature range that indicates the best possible engine tuning The Traxxas Link application s dashboard tempe...

Page 22: ...ng caused by loose or missing parts If your T Maxx 3 3 gets stuck stop driving immediately Move the vehicle and then continue driving Don t tow anything with your T Maxx 3 3 The engine is cooled by ai...

Page 23: ...used to increase the ride height of the T Maxx 3 3 The more vertical position of the shocks will allow for lower shock progression and the soft plush feel that s characteristic of a Traxxas Maxx Truc...

Page 24: ...rs adjust the static camber The pivot balls are protected by blue dust plugs To adjust your static camber insert the supplied 2 5mm hex wrench through the slit in the dust plug and engage the end of t...

Page 25: ...nough room to remove the spur gear 4 Remove the three screws on the slipper clutch assembly using a 2 5mm hex wrench Slide the spur gear off of the slipper shaft If the spur gear is too tight on the s...

Page 26: ...nstallation The Maxx Wheelie Bar can be used on any Maxx truck with the stock rear skid plate rear bumper and rear bumper mounts It is also compatible with the Traxxas accessory aluminum rear bumper p...

Page 27: ...h longer engine life easier starting and better performance When a nitro engine is shut off some excess unburned fuel remains in the engine The methanol in model engine fuel is hygroscopic which means...

Page 28: ...rful Traxxas Link App available in the Apple App StoreSM or on Google PlayTM gives you complete control over the operation and tuning of your Traxxas model with stunning visuals and absolute precision...

Page 29: ...to control Throttle Sensitivity Throttle Sensitivity works the same way as Steering Sensitivity as described on page 10 but applies the effect to the throttle channel Only forward throttle is affected...

Page 30: ...r words the model you used the longest time ago will be deleted Activating Model Lock will lock the receiver in memory so it cannot be deleted You may also bind multiple TQi transmitters to the same m...

Page 31: ...returns to driving mode MENU TREE FORMULAS To select functions and make adjustments to the TQi transmitter without referencing the menu tree turn your transmitter on find the function in the left colu...

Page 32: ...150202 KC2224 R01 6200 Traxxas Way McKinney Texas 75070 1 888 TRAXXAS owner s manual MODEL 49077 1...

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