Traxxas JATO 3.3 Owner's Manual
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Traxxas JATO 3.3 Owner's Manual

Traxxas JATO 3.3 Owner's Manual

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MODEL 55077-3
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  • Page 1 MODEL 55077-3 owner s manual ’...
  • Page 2 ADJUSTMENTS truck, but also with the company that stands behind it. ADVANCED Thank you again for going with Traxxas. We work hard every day to TUNING GUIDE assure you the highest level of customer satisfaction possible. We truly want you to enjoy your new Jato 3.3!

  • Page 3: Before You Proceed

    Traxxas service needs. Maintenance and replacement trademarks of Traxxas. Other identified by the icons below. Be sure to read them! parts may be purchased directly from Traxxas by phone or online brand names and marks are at BuyTraxxas.com. You can save time, along with shipping...

  • Page 4: Safety Precautions

    1 2 3 3+ 4 5 All of us at Traxxas want you to safely enjoy your new Jato. Operate your Jato BATTERIES AND BATTERY CHARGING sensibly and with care, and it will be exciting, safe, and fun for you and those...

  • Page 5: Tools, Supplies And Required Equipment

    R/C toolbox: • Safety glasses • Traxxas Ultra Premium Tire Glue, Part #6468 (CA glue) • Hobby knife • Side cutters and/or needle Foam air filter oil and Extra 1.5mm “L”...
  • Page 6 ANATOMY OF THE JATO 3.3 EZ-Start Air Filter Fuel Line Steering Servo Plug Engine Shut-off (under top plate) Slipper Clutch Clamp Throttle/Brake Roll hoop Suspension Arm Servo Spur Gear Battery Box, Brake Tension Mid Location Fuel Pull Ring Oil Shock (Damper)

  • Page 7: Quick Start: Getting Up To Speed

    Make sure the throttle and steering servos are working correctly. Follow these critical steps to maintain the performance Look for the Quick Start logo at the bottom of of your Jato and keep it in excellent running condition. Quick Start pages. JATO 3.3 • 7...

  • Page 8: Radio System

    1000 charging cycles. Good charging INTRODUCTION procedures are required to reduce the possibility of developing a Your model includes the latest Traxxas TQi 2.4GHz transmitter with To prevent loss of radio range “memory” effect and shortened run times.
  • Page 9 RADIO SYSTEM Your model is equipped with the TQi 2.4 GHz transmitter with Traxxas Link Wireless Module. 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 two Jato has a provision for servos and a receiver.
  • Page 10 Traxxas’ integrated TRX Power System is the easiest way to add light on the transmitter) to the power and economy of rechargeable batteries to your Jato 3.3. avoid losing control. Rear Mounting (Optional 5-cell RX Power Pack only) Consult your hobby dealer for purchasing information.

  • Page 11: Installing Transmitter Batteries

    When using the mid battery compartment, you may want to replace the rear battery compartment with the lighter rear bumper (included). Refer to the Jato 3.3 exploded view parts diagrams for rear battery compartment removal. Neutral Note: The lightweight rear...
  • Page 12 3. Position the Jato 3.3 so that its front wheels are off the ground. No matter how fast or far you drive your model, always leave 4.

  • Page 13: Setting Up The Antenna

    SETTING UP THE ANTENNA into your Traxxas model by helping The receiver antenna has been set up you to maintain control of the vehicle in low-traction situations. TSM and installed from the factory.

  • Page 14: The Trx 3.3 Racing Engine

    Clean the air filter after each hour of running to prevent sucking dirt into the engine. An extra pre-lubed air filter element has been provided with this model to encourage you to maintain the engine’s air filter. 14 • JATO 3.3...
  • Page 15 Crankcase Air Intake Carburetor Engine Mount Flywheel Throttle Arm Clutch Bell Crankshaft Glow Plug Wire Engine EZ-Start Shut-off EZ-Start Plug Controller Clamp Ground Wire Fuel Line Positive Wire Negative Wire Tuned Pipe Fuel Tank Pressure Line JATO 3.3 • 15...

  • Page 16: Terms To Know

    The break-in procedure can be different for Flame-out - Occurs when the engine stops running at high rpm. different makes of engines. Follow the Traxxas directions for break- Usually the fault of an excessively lean fuel mixture or glow in exactly.
  • Page 17 Leaning the mixture - Turning either the high-speed and/or low- to the tank. On a Traxxas model this is done by holding your finger speed needle(s) clockwise to decrease the amount of fuel the over the exhaust tip for one or two seconds while the engine is engine receives.
  • Page 18 10% nitro blend is more economical for the sport user. 10% also driving, do not leave your • 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

    Use only the supplied filter. You will not improve engine performance by switching to an aftermarket filter, and you may risk 5. Oil the foam element with foam filter oil. Use the supplied Traxxas engine damage due to poor filtration.
  • Page 20 • Slightly lean fuel mixtures deliver stronger, more efficient available air (atomization). combustion and more power, but with less lubrication. • Slightly rich fuel mixtures deliver cooler running and more (Warm Air) Less Dense 20 • JATO 3.3 lubrication but with slightly less power.
  • Page 21 Solid green LED 100% charged be warm in your hand. The Traxxas EZ-Start brings the convenience of push-button electric engine starting to your Jato. The EZ-Start consists of a hand-held control Disconnect the battery. unit and an on-board motorized starter.
  • Page 22 Your EZ-Start controller plugs into a 4-prong receptacle in the center of the startup is desirable for those who want the best-performing engine. bed on your Jato 3.3. When the red button on the controller is pressed, the Make sure you are using a good quality battery pack that is fully...
  • Page 23 THE TRX 3.3 RACING ENGINE BREAKING IN YOUR TRX 3.3 RACING ENGINE • Keep extra Traxxas glow plugs handy. The break-in process can cause The TRX 3.3 Racing Engine uses a ringless, aluminum-brass-chrome See Important Points to deposits to form on the plug leading to plug failure.
  • Page 24 Only use the Traxxas break-in over a 3-second count, hold for 2 more seconds, and then thousand two, and then stop. Repeat this starting and stopping procedure.
  • Page 25 220°F, and needs to cool down. If the water takes a long time or always be a light stream of blue smoke coming from the exhaust. does not evaporate at all, then the engine is too cool. JATO 3.3 • 25...
  • Page 26 Higher Less dense Leaner the high-speed needle at least 1/8 turn counterclockwise and retest. Altitude This setting will extend engine component life. Lower More dense Richer Higher Less dense Leaner Nitro % Lower Leaner Higher Richer 26 • JATO 3.3...
  • Page 27 Fine-Tuning the Carburetor After fine-tuning your TRX 3.3 Racing Engine at the end of the break- The Traxxas Link application’s dashboard temperature gauge can aid you in procedure, no major adjustments to the fuel mixture are usually in tuning by giving you a relative indication of how your adjustments are necessary.
  • Page 28 • If your Jato gets stuck, stop driving immediately. Move the vehicle and then continue driving. • Never turn off the radio system while the engine is running. The truck could run out of control. 28 • JATO 3.3...

  • Page 29: Basic Tuning Adjustments

    Optional springs available from Traxxas are listed below. Refer to your Adjustment procedures for alignment, spring rate, damping, steering, controlling wheelies can parts list for a complete part number listing. Higher rate springs are be difficult.

  • Page 30: Alignment Settings

    Operating in regions with cold temperatures may require lower viscosity oil. From the factory, the shocks Front: 0-degrees are filled with SAE-30W silicone oil. Only use 100% silicone oil in the shock. Rear: 4-degree toe-in each side 30 • JATO 3.3...

  • Page 31: Steering System

    Use the following procedure. the sway bar (for rougher surfaces). Right Front (2a and 2b) 1. With new or freshly charged batteries installed, turn on the transmitter power switch followed by the receiver power switch. JATO 3.3 • 31...
  • Page 32 1. Limiting the engine’s torque output to the wheels to prevent tightened so an approximate 0.5mm (.020”) wheelspin on low-traction surfaces and uncontrolled wheelies on gap exists between the disc and the brake pad high-traction surfaces. (on the transmission side). Adjust the brake by 32 • JATO 3.3...
  • Page 33 If the new spur gear is a different size, 4. Insert the 2.0mm hex wrench then the engine mount screws will need to be loosened to readjust the through the clutch drum and into gear mesh (see above). the adjustment screw. JATO 3.3 • 33...
  • Page 34 You must perform after-run maintenance on your components such as the • Perform after-run maintenance on the engine. This clears the engine Traxxas engine whenever the model will be stored for crankcase, crankshaft, and of destructive moisture and other corrosive deposits. This is extremely engine bearings are made longer than a few hours.
  • Page 35 A 5/16 or 8mm nut driver will also work. 3. Turn the model upside down and plug in the EZ-Start controller. If you have questions or need technical assistance, call Traxxas at 1-888-TRAXXAS 4. Push the EZ-Start button for several seconds to clear the engine of excess fuel.

  • Page 36: Advanced Tuning Adjustments

    1. Disconnect the brake rod end from the brake cam. Remove the 3x10mm shoulder screw, and detach the brake bell crank from the transmission housing. 2. Remove the 3x12mm button head machine screw from the molded chassis brace behind the radio tray. 36 • JATO 3.3...
  • Page 37 Keep in mind this is a fine-tuning adjustment. Unless you are a very experienced driver looking for that extra edge, the factory wheelbase setting should prove to be fine for most applications. JATO 3.3 • 37...
  • Page 38 This decreases the turning radius and increases steering performance. If you have questions or need technical assistance, call Traxxas at 1-888-TRAXXAS The performance of the differential can be tuned for different driving conditions and performance requirements.

  • Page 39: Tq I Advanced Tuning Guide

    The Bluetooth word mark and logos are registered trademarks owned by Bluetooth SIG, Inc., and any use of such marks countries. App Store is a service mark of Apple Inc. Android and Google Play are trademarks of Google Inc. by Traxxas is under license. Other trademarks and trade names are those of their respective owners.
  • Page 40 The following items can be adjusted most easily using your mobile device When the Multi-Function knob is set to In this illustration, the steering and the Traxxas Link application. All the features described below may also be throttle trim, the transmitter remembers servo’s travel (and with it, the accessed using the menu and set buttons on the transmitter and observing steering motion of the model’s front...
  • Page 41 The Multi-Function knob can be set to control the amount The Multi-Function knob may also be set to control the amount The Traxxas Link Model Memory feature can store up to thirty (percentage) of servo travel applied to steering. Turning the of brake travel applied by the servo in a nitro-powered model.
  • Page 42 Transmitter is restored to default 3 times Press C onfirm Deletion Delete Model *Torque Control is a feature designed only for use with the power system in the Traxxas Funny Car Race Replica (Model #6907). One Blink Red Two Blinks Green...
  • Page 43 Press MENU Press SET Press MENU 3 times Press SET Press/hold MENU servo to defaults JATO 3.3 • 43 green LED blinks green LED blinks (x2) green LED blinks green LED blinks (x2) red LED blinks red LED blinks (x4)
  • Page 44 ’ MODEL 55077-3 6250 Traxxas Way, McKinney, TX 75070 1-888-TRAXXAS 220520 KC2878-R01...

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55077-3

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