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Traxxas 55077-3 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

    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 Spur Gear Servo Battery Box, Brake Tension Mid Location Fuel Pull Ring Oil Shock (Damper) Adjuster On/Off Switch Throttle Return...

  • 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 Jato 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: 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 Installing an RX Power Pack (Optional) your model at the first sign of Traxxas’ integrated TRX Power System is the easiest way to add Jato gives you the option of mounting a 5-cell NiMH RX Power Pack weak batteries (flashing red the power and economy of rechargeable batteries to your Jato 3.3.

  • Page 11: Installing Transmitter Batteries

    TRAXXAS TQ RADIO SYSTEM INSTALLING TRANSMITTER BATTERIES RADIO SYSTEM CONTROLS Your TQi transmitter uses 4 AA batteries. The battery compartment Using the mid battery is located in the base of the transmitter. compartment provides improved center-of-gravity for better on-road performance.
  • Page 12 Use a Note: Traxxas Stability Management (TSM) must be completely 2. Have a friend hold the model with the engine off. hobby knife to lift the corner of a turned off while adjusting steering trim.

  • 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

    INTRODUCTION The TRX 3.3 Racing Engine is the next generation of TRX nitro ® Traxxas strongly discourages power. The larger displacement and advanced porting generate changing or modifying any class-leading horsepower while still maintaining the TRX Racing part of the TRX 3.3 Racing Engine.
  • Page 15 THE TRX 3.3 RACING ENGINE TRX 3.3 RACING ENGINE ILLUSTRATED Jato’s fuel tank is equipped Air Filter Head Protector with a built-in sintered Housing bronze fuel filter. Cylinder head Idle Speed Screw EZ-Start Drive Unit EZ-Start Motor High-Speed Needle Low-Speed Needle Fuel Intake Crankcase Air Intake...

  • 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 • 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 THE TRX 3.3 RACING ENGINE THE FUEL MIXTURE NEEDLES THE CARBURETOR The amount of fuel metered and atomized by the carburetor is Understanding the Carburetor adjustments See page 26 for more controlled by the two mixture needles, the high-speed needle and information on how air The carburetor performs several functions.
  • Page 21 The battery will EZ-START ELECTRIC STARTING SYSTEM Solid green LED 100% charged The Traxxas EZ-Start brings the convenience of push-button electric be warm in your hand. engine starting to your Jato. The EZ-Start consists of a hand-held control Disconnect the battery.
  • Page 22 THE TRX 3.3 RACING ENGINE Installing the EZ-Start Battery Protection Mode The EZ-Start uses Smart Start technology to monitor the condition ™ 1. Press the tab in the end of the battery Using Other Chargers of the system and detect failures. The controller monitors the load Another convenient option compartment door to open (A).
  • 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 THE TRX 3.3 RACING ENGINE Winter Break-in Tips During the break-in process, the piston and sleeve wear into • We do not recommend that you operate your engine below 35° When tuning for each other to form a precise fit. The engine needs to heat up to a Fahrenheit.
  • Page 26 THE TRX 3.3 RACING ENGINE Before you begin tuning, the engine should be warmed up to its normal Low-Speed Fuel Mixture Adjustment operating temperature and running slightly rich. All final tuning adjustments The low-speed mixture is always set after the high-speed needle is When adjusting the low must be made to the engine at its normal operating temperature.
  • 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 DRIVING YOUR JATO INTRODUCTION Driving Tips Your TRX 3.3 Racing Engine is broken in, the fuel mixture is balanced, • Jato is very fast. Select a large area to drive, with few opportunities and the idle is set…now it’s time to have some fun! This section for collision, until you become familiar with Jato’s speed and contains instructions on making adjustments to your Jato.

  • 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

    BASIC TUNING ADJUSTMENTS Upper Shock Mounting Positions Replacing Shock Oil The upper shock mounting positions will For easier service, the shocks should be removed Important: The shocks are have suspension effects opposite from the from the vehicle and disassembled to change the oil. assembled at the factory lower shock mounting positions.

  • Page 31: Steering System

    BASIC TUNING ADJUSTMENTS Static Camber Adjustment When to Use the Thick (Black) vs. the Thin (Silver) Bar The wheels can be set to have either positive The stock white swaybars should be adequate for most situations. For caster and roll center or negative camber (see illustrations right).
  • Page 32 Loosen each of the shoulder bolts by 1 turn. with non-Traxxas servos. 4. Verify that the servo horn is positioned Brake Linkage Adjustment Less Brake...
  • Page 33 BASIC TUNING ADJUSTMENTS 2. Protecting the drivetrain from sudden impact or shock loads (such as 5. Turn the adjustment screw 1/8 turn landing from a jump with the engine at full throttle). clockwise to raise the shift point (shifts later). Turn the adjustment screw counter- Shift From the factory, the slipper clutch is set for minimal slippage to Later...
  • Page 34 • Perform after-run maintenance on the engine. This clears the engine crankcase, crankshaft, and Traxxas engine whenever the model will be stored for 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

    ADVANCED TUNING ADJUSTMENTS This advanced tuning guide will take you one step further into the 3. Disconnect the throttle return spring from the molded chassis brace. 4. Remove the two 4x18mm countersunk innovative adjustment possibilities that have been designed into Jato.
  • Page 37 ADVANCED TUNING ADJUSTMENTS Camber Gain Down Travel Limiters (optional) Jato has provisions for adjusting the camber gain geometry of An optional kit is available separately for the front and rear suspension. The camber gain of the vehicle can installing suspension down travel limiters be changed by moving the camber link attachment to a different on the front and rear of Jato.
  • 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 ADVANCED TUNING GUIDE Set Multi-Function MENU TREE FORMULAS knob for STEERING Press/hold MENU Press SET Press SET to confirm Press/hold MENU SENSITIVITY (Expo) To select functions and make adjustments to the TQi transmitter without green LED blinks red LED blinks green LED blinks (x8) returns to driving mode referencing the menu tree, turn your transmitter on, find the function in the...
  • Page 44 ’ MODEL 55077-3 6250 Traxxas Way, McKinney, TX 75070 1-888-TRAXXAS 200409 KC2878-R00...

This manual is also suitable for:

Jato 3.355077-3-blue55077-3-orng55077-3-red55077-3-ylwTra-55077-3redx

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