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LeapFrog 4809 - page 1
MODEL 4809 owners manual ...
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LeapFrog 4809 - page 2
Thank you for purchasing the Traxxas Nitro 4-Tec 3.3 ™ all-wheel-drive nitro supercar. The Nitro 4-Tec 3.3 was designed to deliver extreme power for expert drivers. It is the most powerful Ready-To-Race ® all- wheel-drive nitro supercar ever conceived. The incredible TRX 3.3 Racing Engine is bigger, faster, and puts out a whopping 60% more peak ...
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LeapFrog 4809 - page 3
Nitro 4-Tec 3.3 • 3 Traxxas 1100 Klein Road Plano, Texas 75074 Phone: 972-265-8000 Toll-free 1-888-TRAXXAS Traxxas U.K. P.O. Box 1128 Winterbourne, Bristol BS36-2SH England Phone: 44-117-956-1002 Internet www.Traxxas.com E-mail: support@Traxxas.com Entire contents ©2006 Traxxas. Traxxas, Nitro 4-Tec, TRX 3.3 Racing Engine, TQ, Top Fuel, EZ-Start ...
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LeapFrog 4809 - page 4
All of us at Traxxas want you to safely enjoy your new Nitro 4-Tec 3.3. Operate your Nitro 4-Tec sensibly and with care, and it will be exciting, safe, and fun for you and those around you. Failure to operate your Nitro 4-Tec in a safe and responsible manner may result in property damage and serious injury. The precautions outlined in this manual s ...
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LeapFrog 4809 - page 5
12 AA alkaline batteries Hobby knife Traxxas Top Fuel ™ see page21 Fuel dispensing bottle Part #5001 Small flat-blade screwdriver for tuning (1/8 inch blade) After-run oil to protect the engine from corrosion 10% quart - #5010 20% quart - #5020 33% quart - #5030 10% gallon - #5060 20% gallon - #5070 33% gallon - #5080 NiCad or NiMH 7.2V battery p ...
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LeapFrog 4809 - page 6
Battery Holder Fuel Tank Fuel Tank Lid Servo Saver Rear Suspension Arm Front Bumper Plate Shock (Oil Damper) Tie Rod (Turnbuckle) Throttle/Brake Servo Receiver Bearing Block Air Filter Pipe Header TRX 3.3 Racing Engine see pg. 18 for details Pressure Line Fuel Line EZ-Start Motor EZ-Start Plug Shock Tower Body Mount Chassis (lower) On/Off Switch An ...
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LeapFrog 4809 - page 7
Nitro 4-Tec 3.3 • 7 Quick Start: Getting up to Speed The following guide is an overview of the procedures for getting your Nitro 4-Tec 3.3 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. 1. Read the ...
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LeapFrog 4809 - page 8
Applying The Decals The main decals have already been applied to your Nitro 4-Tec. The extra decals provided are die-cut for easy removal. Use a hobby knife to lift the corner of a decal and remove it from the backing. Carefully position the decal over the desired location and press one side on the body. Pull the decal tight and use a finger to gra ...
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LeapFrog 4809 - page 9
CH.2 CH.1 Nitro 4-Tec 3.3 • 9 The Traxxas TQ Radio System Your Nitro 4-Tec (model 4809) is equipped with the TQ Radio System. The TQ is a 2-channel system that provides high-power output up to a quarter mile and control for two servos. The Nitro 4-Tec makes use of two channels for throttle/brake and steering. Antenna Throttle Neutral Adjust Steer ...
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LeapFrog 4809 - page 10
10 • Nitro 4-Tec 3.3 Radio System Terminology Please take a moment to familiarize yourself with these radio-system terms. They will be used throughout this manual. Channel - The 27 MHz frequency band is divided into 6 channels so that up to six models can be operated simultaneously. Each channel is referred to by its flag color and channel number ...
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LeapFrog 4809 - page 11
Installing Transmitter Batteries Your TQ transmitter uses 8 AA batteries. The battery compartment is located in the base of the transmitter. 1. Remove the battery compartment door by pressing the tab and lifting the door up. 2. Install the batteries in the correct orientation as indicated in the battery compartment. 3. Reinstall the battery door an ...
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LeapFrog 4809 - page 12
Installing the Receiver Batteries The radio receiver in your Nitro 4-Tec uses 4 AA batteries. The re ceiver battery holder is located underneath the top plate, just to the right of the fuel tank. 1. Press the tab on the reusable zip tie to release the battery holder. 2. Remove the battery holder and install 4 AA alkaline batteries. Make careful not ...
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LeapFrog 4809 - page 13
Setting up the Antenna You must install the antenna mast (tube) before you operate your Nitro 4-Tec. You’ll find the plastic antenna tube and tip in the bag with your manuals and documentation. 1. Locate the black antenna wire that exits the receiver cover. The receiver cover is located between the fuel tank and the tuned pipe. The antenna wire e ...
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LeapFrog 4809 - page 14
14 • Nitro 4-Tec 3.3 Steering T U R N L E F T T U R N R I G H T Brake Neutral Accelerate CH. 2 CH. 1 TQ Radio System Controls The Traxxas TQ Radio System There are two settings available: 50/50: Allows equal travel for both acceleration and braking. 70/30: Allows more throttle travel (70%) and less brake travel (30%). 50/50 is the required settin ...
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LeapFrog 4809 - page 15
Nitro 4-Tec 3.3 • 15 The Traxxas TQ Radio System Remember, always turn the TQ transmitter on first and off last to avoid damage to your Nitro 4-Tec. Never turn the radio off while the engine is running. TQ Radio System Rules Each time you prepare to run your Nitro 4-Tec, you must clear your frequency to be sure no one else in the area is using th ...
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LeapFrog 4809 - page 16
Using the TQ Radio System The TQ Radio System was pre-adjusted at the factory. The adjustment should be checked before running the model, in case of movement during shipping. Here’s how: 1. Fully extend the chrome antenna mast on the transmitter and turn the switch on. The red indicator light on the transmitter should be solid red (not flashing). ...
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LeapFrog 4809 - page 17
Nitro 4-Tec 3.3 • 17 Introduction The TRX 3.3 Racing Engine is the next generation of TRX nitro power. The larger displacement and advanced porting generate class-leading horsepower while still maintaining the TRX Racing Engine characteristics of broad, linear power delivery and ease of tuning. Focused engineering and rigorous testing have yielde ...
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LeapFrog 4809 - page 18
18 • Nitro 4-Tec 3.3 TRX 3.3 Racing Engine Illustrated Air Filter Base Head Protector PowerTune ™ head (Cylinder head) EZ-Start Drive Unit EZ-Start Motor Engine Mount Low-Speed Needle Throttle Arm Clutch Bell Flywheel Carburetor Air Intake Fuel Intake High-Speed Needle Idle Speed Screw EZ-Start Plug Positive Wire Negative Wire Fuel Line Fuel Ta ...
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LeapFrog 4809 - page 19
Nitro 4-Tec 3.3 • 19 The TRX 3.3 Racing Engine Terms to Know You’ll find these Nitro R/C engine terms throughout this section of the manual. .15 - .15 or “15” refers to the displacement of the engine. The TRX 2.5 Racing Engine is .15 cubic inches or 2.5 cubic centimeters (cc). The name “TRX 2.5” is derived from the cc measurement. .20 - ...
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LeapFrog 4809 - page 20
20 • Nitro 4-Tec 3.3 Glow plug driver - This tool clips onto the glow plug and supplies the required voltage to light the glow plug element. It is also called an igniter. EZ-Start equipped engines do not require this separate tool. Header - The aluminum tube that connects the exhaust system to the engine exhaust port. The length and diameter of t ...
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LeapFrog 4809 - page 21
Nitro 4-Tec 3.3 • 21 The TRX 3.3 Racing Engine The Fuel Use the Right Fuel It’s imperative that you use the correct fuel in your TRX 3.3 Racing Engine for maximum performance and engine life. Traxxas Top Fuel ™ should be used to ensure correct engine lubrication, performance, and ease of tuning. Traxxas Top Fuel has been proven in thousands o ...
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LeapFrog 4809 - page 22
22 • Nitro 4-Tec 3.3 Filling the Fuel Tank Use a fuel dispensing bottle (Traxxas Top Fueler, part# 5001) to put fuel into the Nitro 4-Tec’s fuel tank. To fill the fuel bottle, squeeze the air out, insert the dispenser tip into the fuel can, and release your grip on the bottle. As the bottle expands, fuel will be drawn into it. To fill your mode ...
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LeapFrog 4809 - page 23
Nitro 4-Tec 3.3 • 23 The TRX 3.3 Racing Engine The Carburetor Understanding the Carburetor adjustments The carburetor performs several functions. It controls the engine’s speed by restricting the intake of air and fuel into the engine. It atomizes the fuel (suspends the fuel droplets in the air) and also controls the air/fuel ratio of the mixtu ...
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LeapFrog 4809 - page 24
24 • Nitro 4-Tec 3.3 is increased, the low-speed needle is pulled completely away from the needle seat leaving it fully open. At that point, fuel metering is entirely controlled by the high-speed needle. Again, using our water hose example, when the spray nozzle at the end of our garden hose is fully open, then the main water valve can be used to ...
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LeapFrog 4809 - page 25
Nitro 4-Tec 3.3 • 25 The TRX 3.3 Racing Engine The Traxxas EZ-Start brings the convenience of push-button electric engine starting to your Nitro 4-Tec. The EZ-Start consists of a hand-held control unit and an on-board motorized starter. Power for the EZ-Start system comes from a 7.2-volt rechargeable battery pack installed in the hand-held contro ...
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LeapFrog 4809 - page 26
26 • Nitro 4-Tec 3.3 Using the EZ-Start Your EZ-Start controller plugs into a 4-prong receptacle in the center of the rear deck on your Nitro 4-Tec. When the red button on the controller is pressed, the EZ-Start motor begins to spin the engine and power from the control unit heats the glow plug. Assuming all settings and preparations are correct, ...
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LeapFrog 4809 - page 27
Nitro 4-Tec 3.3 • 27 The TRX 3.3 Racing Engine Breaking in Your TRX 3.3 Racing Engine The TRX 3.3 Racing Engine uses a ringless, aluminum-brass-chrome (ABC) piston/sleeve construction. This type of engine design relies on a very precise running fit between the piston and sleeve for cylinder sealing. Engine break-in is necessary to allow the pisto ...
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LeapFrog 4809 - page 28
28 • Nitro 4-Tec 3.3 High Altitude Operation: If you live in a high altitude region (5000 or more feet above sea level), the lower air density may require you to lean your high-speed fuel mixture slightly from the factory break in settings. Try this if you are experiencing difficult starting or extremely sluggish engine performance at high altitu ...
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LeapFrog 4809 - page 29
Nitro 4-Tec 3.3 • 29 The TRX 3.3 Racing Engine When tuning for performance, watch closely to notice when there is no longer any increase in speed or power when the high-speed mixture is lean. If you lean the high-speed mixture to the point that the engine cuts-out, hesitates, or stalls, you are well into the danger zone and engine damage is likel ...
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LeapFrog 4809 - page 30
is.. Lower Higher Lower Higher Lower Higher Lower Higher Lower Higher then the air density is... Slightly more dense Slightly less dense Less dense More dense More dense Less dense More dense Less dense adjust (correct) the fuel mixture to be... Slightly richer Slightly leaner Leaner Richer Richer Leaner Richer Leaner Leaner Richer If the... Humidi ...
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LeapFrog 4809 - page 31
Nitro 4-Tec 3.3 • 31 The TRX 3.3 Racing Engine Idle Speed Adjustment Once the high and low-speed mixtures have been set, reduce the idle speed to the minimum reliable idle speed. Remember, this adjustment should be made while the engine is running at normal operating temperature. 1. Turn the throttle trim on the transmitter so the brakes are appl ...
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LeapFrog 4809 - page 32
32 • Nitro 4-Tec 3.3 Introduction Your TRX 3.3 Racing Engine is broken in, the fuel mixture is balanced, and the idle is set…now it’s time to have some fun! This section contains instructions on making adjustments to your Nitro 4-Tec. Before you go on, here are some important precautions to keep in mind. Don’t run your Nitro 4-Tec in water, ...
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LeapFrog 4809 - page 33
Nitro 4-Tec 3.3 • 33 It is important that your engine is properly tuned and has reached full operating temperature before making shift point adjustments. Stop the engine before making adjustments. The transmission may not shift if the adjustment screw is turned too far in (locked in first gear), or too far out (locked in second gear). If the car ...
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LeapFrog 4809 - page 34
34 • Nitro 4-Tec 3.3 Adjusting Your Nitro 4-Tec 3.3 At no time should the body of the car strike the ground or interfere with the suspension or tires. Either situation will cause extremely unpredictable handling. Toe In Set the steering trim on your transmitter to neutral. Now, adjust your tie rods so that both wheels are pointing straight ahead ...
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LeapFrog 4809 - page 35
Nitro 4-Tec 3.3 • 35 Adjusting Your Nitro 4-Tec 3.3 Gear Ratios Another Nitro 4-Tec 3.3 feature is the ability to change the gear ratios. Currently, there are three optional gear ratios for the Nitro 4-Tec. The stock gear ratio will provide very high (70+ MPH) top speeds. The following gear ratio chart shows the available combinations with option ...
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LeapFrog 4809 - page 36
36 • Nitro 4-Tec 3.3 Maintaining and Storing Your Nitro 4-Tec 3.3 If the engine is worn or damaged enough to require replacing the piston, sleeve, or connecting rod, consider exchanging your old engine for a brand new engine under the terms of the Traxxas Lifetime Engine Replacement Plan (ERP). It could save you time and effort. Details are in yo ...
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LeapFrog 4809 - page 37
Nitro 4-Tec 3.3 • 37 Maintaining and Storing Your Nitro 4-Tec 3.3 5. Open the throttle fully and spray a one-second burst of WD-40 into the carburetor and into the glow plug hole (Caution! Wear safety glasses to prevent spray from getting into your eyes). If you are using after-run oil, follow the manufacturer’s instructions. 6. Place a rag or ...
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LeapFrog 4809 - page 38
38 • Nitro 4-Tec 3.3 Troubleshooting Your Nitro 4-Tec 3.3 The following section addresses some very basic engine and radio questions you may have about your Nitro 4-Tec 3.3. Most questions arise from simple user errors or minor adjustments that are easy to correct. If you can’t find a solution for your Nitro 4-Tec here, then visit our Web site ...
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LeapFrog 4809 - page 39
Nitro 4-Tec 3.3 • 39 Troubleshooting Your Nitro 4-Tec 3.3 Engine spins but will not start: If the engine is spinning but will not start, first check to make sure that both the motor and glow plug LEDs on the EZ-Start controller light when the button is depressed. If the glow plug LED does not light, make sure the blue glow plug wire is tightly co ...
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LeapFrog 4809 - page 40
40 • Nitro 4-Tec 3.3 Index ABC, 19 Adjustments, 33 After-run procedure, 36 Air density, 30 Air filter, 6, 18, 19, 22 cleaning, 22 foam, 19 Air intake, 18 Air/fuel mixture, 23 Air/fuel ratio, 23 Alignment, 33 Altitude, 28 Ambient temperature, 31 Antenna (receiver), 9, 13 mount ,6 Antenna (transmitter), 9 Atmospheric conditions, 23, 31 Barometric p ...
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LeapFrog 4809 - page 41
Nitro 4-Tec 3.3 • 41 Fuel (Top Fuel), 5, 19, 21, 37 break-in, 27 dispensing bottle, 5 flow , 21 , 23 handling, 21 other fuels, 21 unburned, 26 , 36 Fuel intake, 18 Fuel line (fuel tubing), 6, 18 , 19 Fuel mixture, 19, 23 Fuel tank, 6, 18 filling, 22 fuel tank lid, 6 Gear Ratios, 35 Glow plug, 19 driver , 20 glow plug wire , 18 Head (cylinder head ...
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LeapFrog 4809 - page 42
42 • Nitro 4-Tec 3.3 Notes ...
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LeapFrog 4809 - page 43
Nitro 4-Tec 3.3 • 43 Notes ...
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LeapFrog 4809 - page 44
1 1 00 Klein Road, Plano Texas 75074 1-888-TRAXXAS 060602 MODEL 4809 owners manual ...
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