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Traxxas T-Maxx 49104 Owner's Manual

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  • Page 1 MODel 49104 owner s manual ’...
  • Page 2 Radio Frequency (RF) Exposure Information The radiated output power of the Traxxas LP Device is below the Industry Canada (IC) radio frequency exposure limits. The Traxxas LP Device should be used in such a manner such that the potential for human contact during normal operation is minimized.

  • Page 3: Before You Proceed

    WARNINGS, helPfUl hINTS, & CROSS-RefeReNCeS Racing Engine, TQ, Top Fuel, Throughout this manual, you’ll notice warnings and helpful hints Traxxas offers a full-service, on-site repair facility to handle any of EZ-Start, Ready-To-Race, Ready-To- identified by the icons below. Be sure to read them! your Traxxas service needs.
  • Page 4 Bold SAfeTY PReCAUTIONS All of us at Traxxas want you to safely enjoy your new T-Maxx. Operate • You must extend the antenna wire in the model as far as possible for your T-Maxx sensibly and with care, and it will be exciting, safe, and fun maximum range.

  • Page 5: Tools, Supplies, And Required Equipment

    R/C toolbox: • Safety glasses • Thin, hobby-quality cyanoacrylate instant tire glue (CA glue), such as Foam air filter oil and Traxxas Part #6468 2.0mm “L” wrench 2.5mm “L” wrench 5.0mm “L” wrench 1.5mm “L” wrench extra oiled air filter element •...
  • Page 6 ANATOMY Of The T-MAXX Shift Rod Steering Servo Fuel Tank On/Off Switch Shifting Servo Battery Box Fuel Tank Lid Slipper Clutch Suspension Arm Spur Gear (upper) Fuel Line Two Speed Adjustment Throttle/Brake Servo Access Plug EZ-Start Motor Shock Tower Pressure Line Bumper (front) EZ-Start Plug Skid Plate (front)

  • Page 7: Quick Start: Getting Up To Speed

    qUICk START: GeTTING UP TO SPeeD The following guide is an overview of the procedures for getting your T-Maxx running, from opening the box to breaking in and tuning your engine. Refer to the pages indicated for details on each step. Look for the Quick Start logo on the bottom corners of Quick Start pages. The Quick Start Guide is not intended to replace the 1.
  • Page 8 TRAXXAS Tq 2.4Ghz RADIO SYSTeM Your model is equipped with the Traxxas TQ 2.4GHz transmitter. The transmitter has three channels: Channel one operates the steering, channel two operates the throttle, and channel three operates shifting. The receiver inside the model has three output channels. Your Applying The Decals model is equipped with three servos and a receiver.
  • Page 9 TRAXXAS Tq 2.4Ghz RADIO SYSTeM INTRODUCTION NiMH – Abbreviation for nickel-metal hydride. Rechargeable Learn terms related to NiMH batteries offer high-current handling and much greater Your model includes the TQ 2.4GHz transmitter. When powered the TRX 2.5 Racing Engine resistance to the “memory” effect. NiMH batteries generally on, the TQ will automatically locate and lock onto an available beginning on page 16.

  • Page 10: Installing Transmitter Batteries

    TRAXXAS Tq 2.4Ghz RADIO SYSTeM INSTAllING The ReCeIveR ANTeNNA 3. Insert the battery holder into the battery cover. The receiver antenna and antenna tube must To prevent loss of radio range, 4. Direct the battery wires through the slot Antenna...
  • Page 11 TRAXXAS Tq 2.4Ghz RADIO SYSTeM RADIO SYSTeM CONTROlS • Always have the transmitter and receiver turned on before you start the engine. Never turn the radio system off while the engine If you use rechargeable is running. The on/off switch in the model only turns the receiver batteries in your receiver, be on and off.
  • Page 12 TRAXXAS Tq 2.4Ghz RADIO SYSTeM Throttle reversing procedure: 7. Operate the shift button on the transmitter and check for 1. Press and hold the SET button on the transmitter for two rapid operation of the shifting servo. Push the shift button...
  • Page 13 TRAXXAS Tq 2.4Ghz RADIO SYSTeM far end, so you drive the model toward and past your position. In TRANSMITTeR leD CODeS addition to maximizing the radio’s range, this technique will keep LED Color / Pattern Name Notes Fail-Safe your model closer to you, making it easier to see and control.

  • Page 14: Air Filter Maintenance

    The TRX 2.5 RACING eNGINe ™ introduction The TRX 2.5 Racing Engine is a specialty high-performance racing Traxxas strongly discourages engine. Its impressive performance is the result of years of focused changing or modifying any engineering development and thousands of hours of controlled part of the TRX 2.5 Racing...
  • Page 15 The TRX 2.5 RACING eNGINe TRX 2.5 RACING Idle Speed eNGINe IllUSTRATeD Adjustment Head Protector Screw Head (Cylinder head) Air Filter EZ-Start Housing Drive Unit High-Speed Needle Fuel Intake Air Intake Carburetor Flywheel EZ-Start Motor Clutch Bell Engine Mount Crankshaft Throttle Low-Speed Crankcase...
  • Page 16 The break-in procedure can be different for different the piston will feel very tight at the top of the sleeve (top dead makes of engines. Follow the Traxxas directions for break-in exactly. center), and the engine will have good sealing and compression.
  • Page 17 On a Traxxas model, this is done by holding your finger over Idle speed screw (ISS) - Located on the carburetor body. This screw the exhaust tip for one or two seconds while the engine is starting.
  • Page 18 10% nitro blend is more economical for the sport user. 10% also • Top Fuel is the only fuel which is 100% certified for use in Traxxas engines. fuel dispensing bottle on provides greater latitude with the needle settings for easier tuning.

  • Page 19: The Air Filter

    Apply 30 drops of performance by switching to an aftermarket filter, and you may risk the Traxxas filter oil evenly to the top, bottom, and sides of the filter engine damage due to poor filtration.
  • Page 20 The TRX 2.5 RACING eNGINe The Carburetor correct air/fuel ratio. Warmer air is less dense (fewer air molecules) and therefore needs less fuel to maintain the correct air/fuel ratio. The See page 27 for more Understanding the Carburetor adjustments information on how air tuning needles are there to adjust how much fuel is made available for The carburetor performs several functions.
  • Page 21 The TRX 2.5 RACING eNGINe • Slightly lean fuel mixtures deliver stronger, more efficient Richen See Tuning Your TRX 2.5 Water Valve combustion and more power, but with less lubrication. Racing Engine on page 26 (Controls Overall Flow) for complete information on High Speed Needle •...
  • Page 22 The TRX 2.5 RACING eNGINe The TRAXXAS eZ-START eleCTRIC STARTING SYSTeM Installing the EZ-Start Battery The Traxxas EZ-Start brings the convenience of push-button electric Using Other Chargers engine starting to your T-Maxx. The EZ-Start consists of a hand-held 1. Press the tab in the end of the battery Another convenient option control unit and an on-board motorized starter.
  • Page 23 The TRX 2.5 RACING eNGINe Protection Mode The EZ-Start uses Smart Start technology to monitor the condition ™ When the EZ-Start controller of the system and detect failures. The controller monitors the load is in protection mode, wait being placed on the EZ-Start motor. If the load becomes excessive, at least three minutes before the system shuts off power to the motor to prevent costly damage attempting to start the engine...
  • Page 24 The TRX 2.5 RACING eNGINe BReAkING IN YOUR TRX 2.5 RACING eNGINe • Keep extra Traxxas glow plugs handy. The break-in process can cause The TRX 2.5 Racing Engine uses a ringless, aluminum-brass-chrome (ABC) See Important Points to deposits to form on the plug, leading to plug failure.
  • Page 25 3-second count, hold for 2 more seconds, and then Only use the Traxxas break-in thousand two, and then stop. Repeat this starting and stopping gently apply the brake to stop. Count the five seconds out while procedure.
  • Page 26 The TRX 2.5 RACING eNGINe Winter Break-in Tips • We do not recommend that you operate your engine below 35°F. If During the break-in process, the piston and sleeve wear into you insist on running your vehicle below 35°F, be aware that nitro When tuning for each other to form a precise fit.
  • Page 27 The TRX 2.5 RACING eNGINe Before you begin tuning, the engine should be warmed up to its normal 2. Bring the vehicle in and pinch closed the fuel line going into the operating temperature and running slightly rich. All final tuning adjustments carburetor (use the engine shut-off clamp).
  • Page 28 (always with a visible stream of blue smoke coming from the optional infrared temperature probe or exhaust) . If engine temperature is exceeding 270°F with proper cooling on-board temperature gauge (Traxxas and no signs of abnormal running, then avoid running the engine at its on-board digital temperature gauge, maximum lean setting.

  • Page 29: Driving Tips

    If it will not shift, then refer to the troubleshooting apply the throttle gradually to prevent loss of control. T-Maxx is section on www.Traxxas.com or call Traxxas support. very fast and responsive and is intended for experienced drivers.

  • Page 30: Tuning Adjustments

    TUNING ADjUSTMeNTS Adjusting the Slipper Clutch Turn the adjustment screw 1/8 turn clockwise to raise the shift The T-Maxx features an adjustable slipper clutch on the spur gear to point (later shifts). Be careful not to over tighten the adjustment help protect the drive train from sudden shock loads (such as landing off screw or you may damage the tension spring.

  • Page 31: Adjusting The Suspension

    TUNING ADjUSTMeNTS Adjusting the Camber The ride height for the T-Maxx can be adjusted by adding or removing the clip-on spring pre-load spacers. Note that changes in ride height Two pivot balls are accessible through Factory toe-in settings can will occur when changes in shock angle or spring rates are made. You the spokes of each of the wheels on your be achieved by installing the can compensate for ride height changes by changing the pre-load...
  • Page 32 TUNING ADjUSTMeNTS Shock Mounting Positions The outer pair of holes on the lower suspension arm should be used to lower the ride height of the T-Maxx and increase the spring force (at the wheel). Big bumps and rough terrain require a softer For easier access to the This setting will improve high-speed cornering on smoother terrain by suspension with the maximum possible...
  • Page 33 (reciprocating • Inspect the gears for wear, broken teeth, or debris lodged between You must perform after-run maintenance on your Traxxas engine assemblies). the teeth. whenever the model will be stored for longer than a few hours. Taking...
  • Page 34 MAINTAINING AND STORING YOUR T-MAXX have to pinch the fuel line closed for several seconds before the 3. Turn the model upside down and plug in the EZ-Start controller. engine stops. 4. Push the EZ-Start button for several seconds to clear the engine Denatured alcohol (available 2.
  • Page 35 LEDs on the then the EZ-Start controller is in protection mode. Allow the • Try a new Traxxas glow plug. Sometimes a glow plug will EZ-Start controller light when the button is depressed. If the controller to cool for at least three minutes.
  • Page 36 ’ MODel 49104 1100 klein Road, Plano Texas 75074 1-888-TRAXXAS 121130 KC1792-R01...

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