Traxxas Nitro 4-Tec 3.3 48077 Owner'S Manual Download Page 1 | Manualshive

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MODEL 48077

4-TEC

NITRO

owner

’

s manual

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Summary of Contents for Nitro 4-Tec 3.3 48077

Page 1: ...MODEL 48077 owner s manual...

Page 2: ...d fashioned procedures could reduce engine performance and longevity 3 4 5 6 7 8 14 29 30 33 35 BEFORE YOU PROCEED SAFETY PRECAUTIONS TOOLS SUPPLIES AND REQUIRED EQUIPMENT ANATOMY OF THE NITRO 4 TEC Q...

Page 3: ...axxas by phone or online at BuyTraxxas com You can save time along with shipping and handling costs by purchasing replacement parts from your local dealer Do not hesitate to contact us with any of you...

Page 4: ...ll fuel out of the reach of children at all times Do not place fuel containers on the ground where children can reach them while you are driving Model engine fuel is flammable Never allow smoking spar...

Page 5: ...dle nose pliers Philips screwdriver Soldering iron For more information on radio system batteries see Use the Right Batteries on page 10 Glow plug wrench Extra glow plug 1 5mm L wrench 2 0mm T wrench...

Page 6: ...iver Bearing Block Air Filter Pipe Header TRX 3 3 Racing Engine see pg 15 for details Pressure Line Fuel Line EZ Start Motor EZ Start Plug Shock Tower Body Mount Chassis lower On Off Switch Antenna Mo...

Page 7: ...engine See page 24 Install the body mounts and foam bumper Learn to use the correct starting procedure for your TRX 3 3 5 Install batteries in the transmitter See page 10 13 Break in your engine See...

Page 8: ...hobby pack NiCad batteries have very high current handling high capacity and can last up to 1000 charging cycles Good charging procedures are required to reduce the possibility of developing a memory...

Page 9: ...channels for controlling your throttle and steering The receiver inside the model has 5 output channels Your model is equipped with two servos and a receiver Nitro 4 Tec Wiring Diagram Channel 1 CH1...

Page 10: ...on over the battery holder to prevent fuel contamination 4 Install the battery holder into the car and secure it to the top plate with the reusable zip tie Make sure the battery holder is secure in th...

Page 11: ...ble 50 50 Allows equal travel for both acceleration and reverse 70 30 Allows more throttle travel 70 and less reverse travel 30 50 50 is the required setting for the Nitro 4 Tec 3 3 with TRX 3 3 Racin...

Page 12: ...5 Do not attempt to operate the model if there is any problem with the radio system or any external interference with your radio signal at your location Higher Speeds Require Greater Distance The fast...

Page 13: ...large amount of steering wheel travel results in a smaller amount of servo travel The farther you turn the knob the more pronounced the effect becomes Decreased steering sensitivity may be helpful wh...

Page 14: ...premature engine wear and failure is lack of care and maintenance BREAK IN The TRX 3 3 Racing Engine is manufactured to exacting tolerances and requires a specially designed break in procedure to acc...

Page 15: ...rive 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...

Page 16: ...he engine s body that contains all of the running mechanical components Crankshaft The main shaft of the engine that holds the reciprocating assembly Cooling fins The cooling fins are milled into the...

Page 17: ...the first level of air filtration for the engine The majority of dirt and debris will be stopped by this filter Clean re oil and replace this filter after every hour of run time Always use both the p...

Page 18: ...ical limitations Engines are designed to run best within a range of nitro percentages How the engine is ported the size of the combustion chamber and other factors determine how much nitro can be effi...

Page 19: ...gine will be damaged Engine damage or wear due to dirt ingestion is easy to detect and one of the top causes of premature engine failure Air Filter Cleaning Instructions 1 Remove the air filter from t...

Page 20: ...r fuel ratio Warmer air is less dense fewer air molecules and therefore needs less fuel to maintain the correct air fuel ratio The tuning needles are there to adjust how much fuel is made available fo...

Page 21: ...ctory settings until after the engine is started and running and you have been able to observe the engine running to assess what minor adjustments may be required to compensate for fuel temperature an...

Page 22: ...tery in place when the battery is installed in the compartment C 4 Install the battery into the compartment and press the wires securely into place 5 Snap the battery compartment door back on and lock...

Page 23: ...the piston and the top of the sleeve This is a tapered fit and a tight piston sleeve fit on initial startup is desirable for those who want the best performing engine Make sure you are using a good q...

Page 24: ...xas glow plugs handy The break in process can cause deposits to form on the plug leading to plug failure Follow the instructions exactly for each of the first 5 tanks of fuel Starting Your TRX 3 3 Rac...

Page 25: ...3 When the fuel tank is nearly empty shut off the engine and refuel From here on you do not need to let the engine cool between tanks Tank 4 1 Driving procedure Gently pull the throttle trigger to fu...

Page 26: ...it is over 220 F and needs to cool down If the water takes a long time or does not evaporate at all then the engine is too cool We do not recommend that you operate your engine below 35 Fahrenheit If...

Page 27: ...turn counterclockwise and retest This setting will extend engine component life Low Speed Fuel Mixture Adjustment The low speed mixture is always set after the high speed needle is correctly adjusted...

Page 28: ...nfluence on engine temperature is air temperature Expect the engine temperature to vary almost in direct proportion to air temperature Assuming you tuned the engine for the same maximum performance ea...

Page 29: ...n It is intended for expert drivers only Experience with nitro powered radio controlled models is required The driver must exercise all caution and accept full responsibility for their own safety and...

Page 30: ...nch through the clutch drum and into the adjustment set screw See diagram 5 Turn the adjustment screw clockwise to raise the shift point later shifts Be careful not to overtighten the adjustment screw...

Page 31: ...acers to increase stiffness use stiffer springs Adjust the ride height so that the suspension arms are slightly above being parallel to the ground Note that changes in ride height will occur when the...

Page 32: ...ver the gears with a cloth to protect the teeth Using the pliers unscrew the gears counter clockwise 4 New clutch gears simply screw onto the clutch bell Reinstall the clutch bell and caphead screw on...

Page 33: ...the quality and frequency of the engine maintenance Inspect the connecting rod after 3 gallons of fuel have been used Piston sleeve The life of the piston and sleeve will vary greatly with how the eng...

Page 34: ...el will turn unsticking the piston from the sleeve 3 Put two or three drops of light machine oil into the glow plug hole to lubricate the piston and sleeve Do not use too much oil Excess oil will hydr...

Page 35: ...cles it has bound to and what settings were used for each up to 30 models total Traxxas Link provides a visual interface to name the models customize their settings attach profiles and lock them into...

Page 36: ...hing fast green 0 1 sec on 0 15 sec off Throttle Trim Seek Mode Turn the Multi Function knob right or left until the LED stops flashing See sidebar for more information Flashing medium red 0 25 sec on...

Page 37: ...hrow setting you selected previously Likewise setting the Multi Function knob to disabled will prevent the knob from making further adjustments but the last setting of the Multi Function knob will sti...

Page 38: ...dpoint and press set to save To reset max throw Let go of controls and press SET The menu tree below shows how to navigate through the TQi transmitter s various settings and functions Press and hold M...

Page 39: ...ss SET red LED blinks x3 Press MENU twice red LED blinks x3 Turn steering wheel to desired max left and right travel x8 Press SET to save each position Turn steering wheel to test settings IF END POIN...

Page 40: ...6200 TRAXXAS WAY MCKINNEY TEXAS 75070 1 888 TRAXXAS 140408 KC2075 R00 MODEL 48077 owner s manual...

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