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Summary of Contents for Traxxas 4810
- Page 1 Nitro 4-Tec Owner ’ Manual Model 4810...
- Page 2 Phone: 44.117.956.1002 Internet www.Traxxas.com E-mail: support@Traxxas.com Entire contents ©2003 Traxxas Corporation. Traxxas, Nitro 4-Tec, TRX 2.5, TQ, Top Fuel, EZ-Start, Ready-To-Race, and ProGraphix are trademarks or registered trademarks of Traxxas Corporation. Other brand names and marks are the property of their respective holders and are used only for purposes of identification.
- Page 3 Introduction Thank you for purchasing the Traxxas Nitro 4-Tec. This manual Before You Proceed contains the instructions you will need to operate, and maintain your Nitro 4-Tec. Look over the manual and examine the Nitro Safety Precautions 4-Tec carefully before running it. If for some reason you think...
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Page 4: Before You Proceed
Be sure to read them! of your Traxxas service needs. Maintenance and replacement parts may be purchased directly from Traxxas, or you can save shipping and handling costs by purchasing them from your An important warning about personal safety or avoiding local hobby dealer. -
Page 5: Safety Precautions
Safety Precautions All of us at Traxxas want you to safely enjoy your new Nitro All instructions Never operate your Nitro 4-Tec in crowds of people or busy and precautions 4-Tec. Operate your Nitro 4-Tec sensibly and with care, and it will pedestrian areas. - Page 6 10% gallon - #5060 • 20% gallon- #5070 Your Nitro 4-Tec comes with these specialty metric tools: A peak-detecting 1.5mm hex wrench charger is Fuel dispensing bottle (Traxxas part #5001) recommended for 2.0mm hex wrench best performance and longest battery life. For...
- Page 7 Anatomy of the Nitro 4-Tec Tie Rod Racing Chassis Fuel Antenna Engine Pipe (Turnbuckle) (lower) Tank Mount Tires see pg. 21 for details Hanger Front Camber Link Bellcrank Pipe (Turnbuckle) EZ-Start Steering Receiver Steering Header Motor Servo Shock Front Bumper Tower Plate Body...
- Page 8 Nitro 4-Tec. interference from outside sources. Get the right fuel • See page 26 Use Traxxas Top Fuel™ or consult with Traxxas 12. Fill the fuel tank • See page 26 before using other fuels. Use your fuel-dispensing bottle to fill the tank.
- Page 9 Decorating Your Nitro 4-Tec Body Applying The Decals The ProGraphix painted body is covered with a protective film for shipping. You must remove this film before applying any decals. To remove the film, lift a corner of the film and carefully pull it off the body in one continuous piece.
- Page 10 Installing Nitro 4-Tec Body Mounts Installing Body Mounts The body mount parts are located in a separate bag with your Installing Rear 3x14mm Washerhead instructions. The front body mount posts attach to the front Body Mounts Self-tapping screws bumper with 3x10mm counter-sunk self-tapping screws. Now slide the foam bumper over the front mounts, as shown in the drawing.
- Page 11 The Traxxas TQ Radio System Your Nitro 4-Tec (model 4810) is equipped with the TQ Radio Nitro 4-Tec Wiring Diagram System. The TQ is a 2-channel system that provides high-power Positive output up to a quarter mile and control for two servos. The Nitro Black 4-Tec makes use of two channels for throttle/brake and steering.
- Page 12 Of those two crystals, the one marked with the lower number (.455 MHz lower) must be inserted into the receiver. Frequency band - The radio frequency used by the transmitter to send signals to your Nitro 4-Tec. All Traxxas RTR models operate on a 27 MHz frequency band.
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Page 13: Installing Transmitter Batteries
The Traxxas TQ Radio System Use the Right Batteries Installing Transmitter Batteries Your transmitter and receiver Your TQ transmitter uses 8 AA batteries. The battery use AA batteries. Use new compartment is located at the base of the transmitter. alkaline batteries, or... - Page 14 The Traxxas TQ Radio System Installing Receiver Batteries If you use 4. Install the battery holder rechargeable The radio receiver in your Nitro 4-Tec uses 4 AA batteries. The into the car and secure it to batteries in your receiver battery holder is located underneath the top plate, just...
- Page 15 The Traxxas TQ Radio System Setting Up the Antenna Spray a little window cleaner on the You must install the antenna mast (tube) before you operate Antenna Tip antenna wire to your Nitro 4-Tec. You’ll find the plastic antenna tube and tip in make it easier to push the bag with your manuals and documentation.
- Page 16 The Traxxas TQ Radio System Other TQ Radio System Adjustments TQ Radio System Controls In addition to the electronic throttle and steering trim controls, your radio system features throttle neutral adjustment and servo reversing switches. Throttle Neutral Adjustment The throttle neutral adjustment is located on the transmitter face and controls the forward/brake travel of the throttle trigger.
- Page 17 The Traxxas TQ Radio System will roll freely). Once the engine is running, do not use the throttle trim to raise or lower the engine idle speed. Make the idle speed adjustment on the carburetor. Electronic Steering Trim The electronic steering trim located on the face of the transmitter adjusts the neutral (center) point of the steering servo when the servo is at rest.
- Page 18 The Traxxas TQ Radio System TQ Radio System Rules Remember, always turn the TQ Always use new or freshly charged batteries for the radio Each time you prepare to run your Nitro Channel 1 transmitter on first system. Weak batteries will limit the range of the radio signal...
- Page 19 The Traxxas TQ Radio System Using the TQ Radio System When the engine the left or right, slowly adjust the steering trim control on the is running, don’t The TQ Radio System was pre-adjusted at the factory. The use the throttle transmitter until they are pointing straight ahead.
- Page 20 The Traxxas TQ Radio System Range-Testing the TQ Radio System Don’t attempt to operate your Nitro Before each running session with your Nitro 4-Tec, you should 4-Tec if there are range-test your radio system to ensure that it operates properly.
- Page 21 The TRX 2.5 Racing Engine Traxxas strongly Introduction discourages There’s nothing like the TRX 2.5 racing engine in your new Nitro changing or 4-Tec. The TRX 2.5 racing engine is vastly superior to typical R/C modifying any part of the engines and belongs in the category of specialty high- TRX 2.5 racing engine.
- Page 22 The TRX 2.5 Racing Engine TRX 2.5 Illustrated Head Protector Filter Head (Cylinder head) Idle Speed Screw EZ-Start Drive Unit EZ-Start Plug Glow Plug High-Speed Needle Wire Ground Fuel Intake Wire Air Intake Positive Wire Carburetor Negative Flywheel Wire EZ-Start Clutch Motor Bell...
- Page 23 RPM range. Follow the Traxxas directions for break-in exactly. EZ-Start - Second generation Traxxas on-board electric starting Carb - Abbreviation for carburetor. system. The system consists of a hand held starter control unit...
- Page 24 Fuel - (10% 20%) The TRX 2.5 must have model engine fuel to Leaning the mixture - Turning either the high speed and/or run. Traxxas Top Fuel is recommended. Fuel is sold in quarts low-speed needle(s) clockwise to decrease the amount of fuel and gallons from hobby dealers.
- Page 25 WOT - Abbreviation for wide-open throttle. has been sitting for a long period of time and all the fuel has drained back to the tank. On a Traxxas model this is done by holding your finger over the exhaust tip for one or two seconds while the engine is starting.
- Page 26 Top Fuel is the only fuel which is 100% certified for use in page 5 in this manual. Traxxas engines. Traxxas Top Fuel is made with just the right balance of the Filling the Fuel Tank highest grade natural and synthetic lubricants to allow...
- Page 27 3. An oiled foam element your skin. without a properly oiled filter! Apply 30 drops of the Traxxas filter oil evenly to the top, bottom and sides of the filter You must clean the filter after every hour of runtime, even if the element (30 total drops divided among the 3 surfaces).
- Page 28 The TRX 2.5 Racing Engine See page 35 for The Carburetor the correct air/fuel ratio. Warmer air is less dense (fewer air more information molecules) and therefore needs less fuel to maintain the correct Understanding the Carburetor adjustments on how air density air/fuel ratio.
- Page 29 The TRX 2.5 Racing Engine Slightly lean fuel mixtures deliver stronger, more efficient See Tuning the TRX 2.5 for Best Water Valve combustion and more power, but with less lubrication. Performance on (Controls Overall Flow) page 34 for complete High Speed Needle Slightly rich fuel mixtures deliver cooler running and more information on adjusting lubrication but with slightly less power.
- Page 30 Use the The EZ-Start system requires a fully charged 7.2-volt NiCad Right Charger The Traxxas EZ-Start brings the convenience of push-button The most convenient battery pack (not included). Use a charger (not included) electric engine starting to your Nitro 4-Tec.The EZ-Start consists type of charger is an AC designed for 7.2-volt battery packs.
- Page 31 The TRX 2.5 Racing Engine Using the EZ-Start Protection Mode When the EZ-Start controller is in Your EZ-Start controller plugs The EZ-Start uses Smart Start ™ technology to monitor the protection mode, wait into a 4-prong receptacle condition of the system and detect failures. The controller at least three minutes before mounted on the rear shock monitors the load being placed on the EZ-Start motor.
- Page 32 5 for other piston/sleeve construction.This type of engine design relies on a Keep extra glow plugs handy (Traxxas part #3231).The break-in precautions. very precise running fit between the piston and sleeve for cylinder process can cause deposits to form on the plug leading to plug sealing.
- Page 33 Only use the stopping procedure until the first tank of fuel is nearly empty. Tank 4 Traxxas break-in procedure. 3. Look for thick blue smoke exiting the exhaust outlet. If there is Other break-in procedures 1. Driving procedure: Gently pull the throttle trigger to full...
- Page 34 The TRX 2.5 Racing Engine Tuning the TRX 2.5 for Best Performance this procedure until there is no longer any performance When adjusting the improvement. If any one of the following conditions occurs, the low-speed fuel The engine’s performance depends on the fuel mixture. Turn the fuel mixture is already past the maximum safe lean setting: mixture, it is very mixture needles clockwise to lean the fuel mixture and...
- Page 35 The TRX 2.5 Racing Engine Low-Speed Fuel Mixture Adjustment 2. If necessary, remove the air filter to gain access to the idle Check the Traxxas The low-speed mixture is always set after the high-speed needle adjustment screw. website for additional is correctly adjusted.
- Page 36 270°F when measured at the glow plug. If tuning for maximum or on-board temperature gauge performance results in (Traxxas on-board digital engine temperature temperature gauge, part#4090). exceeding 270°F, try to Engine temperature can be used as...
- Page 37 Driving the Nitro 4-Tec Introduction Don’t tow anything with your Nitro 4-Tec. The engine is Your TRX 2.5 racing engine is cooled by airflow created by speed. Towing creates a high broken in, the fuel mixture load on the engine, and at the same time limits cooling of is balanced, and the idle is the engine due to low vehicle speed.
- Page 38 Adjusting Your Nitro 4-Tec Once you become familiar with driving your Nitro 4-Tec, you may 7. Use 1/8 turn increments to find the approximate, desired shift It is important that your engine is wish to make adjustments for better driving performance. point.
- Page 39 Adjusting Your Nitro 4-Tec Toe In significant bottoming of the chassis. Also, in order not to disturb At no time should Set the steering trim on your transmitter to neutral. Now, adjust cornering balance, front and rear tire height diameters should the body of the car strike the ground or your tie rods so that both wheels are pointing straight ahead...
- Page 40 Adjusting Your Nitro 4-Tec Gear Ratios Changing the Clutch Bell Gears Another Nitro 4-Tec feature is the ability to change the 1. Remove the right, rear wheel. Remove the E-clip from the gear ratios. Currently, there are three optional gear ratios two-speed shaft.
- Page 41 Adjusting Your Nitro 4-Tec Centering the Servos Whenever your radio system has been removed for service or cleaning, the servos must be re-centered prior to installing the radio system in the model. If the radio system is installed in the car, disconnect the servo horns from the servos.
- Page 42 If you can’t find a solution for your Nitro 4-Tec should automatically reset. here, then visit our Web site at www.Traxxas.com and click on the Check to make sure the wires are connected to the EZ-Start Customer Support menu.There you will find a much more...
- Page 43 (see page 35). from the sleeve. Before trying to restart the engine replace the Try a new Traxxas 3231 glow plug. Sometimes a glow plug will starter battery with a freshly charged pack or a freshly charged work well enough to start the engine but not be able to battery pack of better quality.
- Page 44 Clean and re-oil the air filter.The instructions for this the engine being difficult to start when the Traxxas Lifetime Engine procedure are on page 27. We cannot stress enough the Replacement Plan (ERP). It warm, stalling when warm, and stalling value of cleaning your air filter at the scheduled intervals.
- Page 45 Maintaining and Storing Your Nitro 4-Tec After-run Procedure Denatured alcohol You must perform after-run maintenance on your Traxxas 5. Open the throttle fully and spray a one-second burst of (available from engine whenever the model will be stored for longer than a few...
- Page 46 Dyno 23 Traxxas Top Fueler 26 rechargeable 13, 14 transmitter 13 E-mail 4 Traxxas Top Fuel 24, 26, 43 Engine, TRX 2.5 7, 22, 26 unburned 45 Batteries, Ni-MH (nickel-metal hydride) 13 Fuel flow 28 Batteries, NiCad (nickel-cadmium) 6, 12, 13, 30 "cutting out"...
- Page 47 RPM 25 indicator light 19 Neutral (center) point 16-17 limits 37 power indicator 11, 13 Traxxas Lifetime Engine Replacement Plan 44 Neutral position 12 Safety 5 Nitro 24 Servo reversing switches 11, 16 Trim, see also Throttle Trim and Steering Trim...
- Page 48 Traxxas Corporation, 1100 Klein Road, Plano, Texas 75074, Phone: 972.265.8000, Toll-free 1-888-TRAXXAS Traxxas U.K., P.O. Box 1128, Winterbourne, Bristol BS17-2SH, England, Phone: 44.117.956.1002 Internet: www.Traxxas.com, www.ReadyToRun.org...