MODel 49104
owner
’
s manual
Страница 1: ...MODEL 49104 owner s manual ...
Страница 2: ...Traxxas We work hard every day to ensure you receive the highest level of customer satisfaction possible We truly want you to enjoy your new T Maxx 3 4 5 6 7 8 14 29 30 33 35 Before You Proceed Safety Precautions Tools Supplies and Required Equipment Anatomy of the T Maxx Quick Start Getting Up to Speed Traxxas TQ 2 4GHz Radio System The TRX 2 5 Racing Engine Driving Your T Maxx Tuning Adjustments...
Страница 3: ... support Traxxas com Join thousands of registered members in our online community at Traxxas com Traxxas offers a full service on site repair facility to handle any of your Traxxas service needs Maintenance and replacement parts may be purchased directly from Traxxas by phone or online at BuyTraxxas com You can save time along with shipping and handling costs by purchasing replacement parts from y...
Страница 4: ...ne fuel is flammable Never allow smoking sparks heat or flame in the presence of fuel or fuel vapors The engine brakes and exhaust system may become extremely hot during use Be careful not to touch these parts especially when refueling or stopping the engine Prolonged exposure to the engine exhaust can be harmful Avoid breathing the engine exhaust Always run your T Maxx outdoors in a well ventilat...
Страница 5: ...pliers Philips screwdriver Soldering iron For more information on radio system batteries see Use the Right Batteries on page 10 8 AA alkaline batteries Traxxas Top Fuel see page 18 Small flat blade screwdriver for tuning 1 8 inch blade After run oil to protect the engine from corrosion Fuel dispensing bottle NiMH 7 2V battery pack 10 quart 5010 20 quart 5020 33 quart 5030 10 gallon 5060 20 gallon ...
Страница 6: ... Damper Differential Toe Link Turnbuckle Throttle Brake Servo Receiver Box Transmission Air Filter Tuned Pipe Header TRX 2 5 Racing Engine see pg 15 for details Pressure Line Fuel Line EZ Start Motor EZ Start Plug Bulkhead Shock Tower Body Mount Spur Gear Chassis Slipper Clutch Driveshaft Half Shaft On Off Switch Shift Rod Antenna Mount Pipe Hanger Two Speed Adjustment Access Plug ...
Страница 7: ...ting procedure for your TRX 2 5 5 Decal and Install the body See page 8 14 Break in your engine See page 24 You will need to use the body during break in so it s best to apply any additional decals before you use the body Follow the break in instructions exactly to ensure the best performing longest lasting engine 6 Install the receiver batteries See page 10 15 Tune your engine See page 26 T Maxx ...
Страница 8: ...el 1 Steering Servo Channel 2 Throttle Servo Channel 3 Shifting Servo TQ 2 4GHz Transmitter Steering Trim Shifting Switch Throttle Trigger Steering Wheel Power Switch Battery Compartment Set Button Red Green Status LED Applying The Decals The main decals for your model have been applied at the factory Additional decals are printed on self adhesive clear mylar and are die cut for easy removal Use a...
Страница 9: ... for nickel cadmium The original rechargeable 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 effect and shortened run times NiMH Abbreviation for nickel metal hydride Rechargeable NiMH batteries offer high current handling and much greater resista...
Страница 10: ... the screws To prevent losing control of your model it is important to stop at the first sign of weak receiver batteries Visible warning signals include sluggish steering response and shortened radio range Installing Transmitter Batteries Your TQ 2 4GHz transmitter uses 4 AA batteries The battery compartment is located in the base of the transmitter 1 Remove the battery compartment door by pressin...
Страница 11: ...urns left Channel 1 would need to be reversed to correct the servo direction Use the following procedures to reverse the steering or throttle channel if necessary Servo reversing should only be required if you accidentally reset the direction of a channel Do not reverse the throttle or steering channels unless necessary Note Before performing these procedures make sure that both the transmitter an...
Страница 12: ...buretor should open slide moves out When the throttle trigger is pushed all the way forward the brake should lock 7 Operate the shift button on the transmitter and check for rapid operation of the shifting servo Push the shift button down for forward The servo will operate the spring loaded shift mechanism and you will hear the transmission click into forward Push the shift button up for reverse a...
Страница 13: ... TRAXXAS TQ 2 4GHz RADIO SYSTEM TRANSMITTER LED CODES LED Color Pattern Name Notes Solid green Normal Driving Mode See page 11 for information on how to use the transmitter controls Slow red 0 5 sec on 0 5 sec off Binding See this page for more information on binding Flashing medium red 0 25 sec on 0 25 sec off Low Battery Alarm Put new batteries in the transmitter See page 10 for more information...
Страница 14: ...ntenance The number one cause of premature engine wear and failure is lack of care and maintenance break in The TRX 2 5 Racing Engine is manufactured to exacting tolerances and requires a specially designed break in procedure to accomplish the final precision fitting of the internal engine components It is very important that you follow the new break in procedure as closely as possible to achieve ...
Страница 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 Adjustment Screw EZ Start Plug Positive Wire Negative Wire Fuel Line Fuel Tank Tuned Pipe Exhaust Tip Pressure Line Ground Wire Glow Plug Wire EZ Start Controller Crankshaft Crankcase ...
Страница 16: ...s Crankshaft The main shaft of the engine that holds the reciprocating assembly Cooling fins The cooling fins are milled into the cylinder head and crankcase and cause heat to be drawn away from the engine Heat is removed when it dissipates into the air passing across the cooling fins It is important to keep the fins clean of dirt and debris for maximum cooling efficiency Cylinder head head The fi...
Страница 17: ...reates a seal that allows the engine to have the required compression for combustion Port Ports are openings in the sleeve that allow atomized fuel to enter the combustion chamber and burned exhaust gases to exit The shape and location of the ports are a large factor in controlling the engine timing and power output Priming Manually causing fuel to move from the fuel tank up to the carburetor This...
Страница 18: ... 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 efficiently used in the engine The TRX 2 5 Racing Engine responds exceptionally well to a maximum of 33 nitro returning cooler temps more power and a smoother throttle response For those who want to run highe...
Страница 19: ... constantly move through the filter anytime the engine is running Even if you can t see dirt on the filter it is present inside the foam after any amount of run time If you exceed the recommended cleaning intervals your engine 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...
Страница 20: ...rrect air fuel ratio The tuning needles are there to adjust how much fuel is made available for the carburetor to mix with the available air atomization The Fuel Mixture Needles The amount of fuel metered and atomized by the carburetor is controlled by the two mixture needles the high speed needle and the low speed needle The low speed needle is used to meter the fuel used by the engine at idle an...
Страница 21: ...u have been able to observe the engine running to assess what minor adjustments may be required to compensate for fuel temperature and altitude Adjustments are usually made in 1 8 or 1 16 turn increments If the engine sticks at top dead center TDC see page 34 for instructions on freeing the engine The Idle Speed Adjustment The idle speed adjustment screw controls the closed position of the throttl...
Страница 22: ...d the wire and battery 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 the end tab D Using the EZ Start Your EZ Start controller plugs into a 4 prong receptacle in the center of the bed on your T Maxx When the red button on the controller is pressed th...
Страница 23: ... 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 quality battery pack that is fully charged new batteries usually require several charge cycles to reach peak voltage and full capacity This is especially important with a new engine that needs to be broken...
Страница 24: ...g leading to plug failure Change or clean your air filter after break in Follow the instructions exactly for each of the first 5 tanks of fuel Starting Your TRX 2 5 Racing Engine for the First Time Before you start your TRX 2 5 Racing Engine for the first time make sure you have read all instructions and precautions in this manual Pay close attention to the tank by tank break in instructions in th...
Страница 25: ...ise 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 full throttle over a 3 second count Then gently apply the brake to stop Count the three seconds out while accelerating one thousand one one thousand two one thousand three and then stop Repeat this s...
Страница 26: ...t 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 F If you insist on running your vehicle below 35 F be aware that nitro engines may be very difficult to start and tune at extremely cold temperatures Also at temperatures below freezing nitro fuel can actually be...
Страница 27: ...unterclockwise 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 The low speed mixture is set using the pinch test 1 Once the engine is warm do several high speed runs to confirm that the high speed needle is set correctly 2 Bring the vehicle in and pinch closed the fuel ...
Страница 28: ...e 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 each day the engine will run about twenty degrees hotter when it s ninety degrees outside than it would in seventy degree weather For this reason we cannot give you a definitive temperature range that indicates the best possible en...
Страница 29: ...f your T Maxx 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 Forward and Reverse Operation Forward and reverse gears are selected with the shift button located in the transmitter handle grip The switch is normally in the down or forward position To shift into reverse bring...
Страница 30: ...rews pass under the access hole As you slowly turn the primary gear shaft counterclockwise the first set screw that becomes visible holds the two speed mechanism on to the shaft Do not loosen this screw The second set screw is the adjustment screw 5 Insert the 2 0 hex wrench through the clutch drum and into the adjustment set screw 6 Turn the adjustment screw 1 8 turn clockwise to raise the shift ...
Страница 31: ...eight will occur when changes in shock angle or spring rates are made You can compensate for ride height changes by changing the pre load spacers on the shocks Adjusting the Suspension The T Maxx has adjustable suspension so that it may be optimized for different kinds of terrain and driving styles Caster Adjustment The T Maxx offers the ability to adjust the caster angle of the front suspension C...
Страница 32: ...y be used to achieve individualized suspension settings Lower Shock Mounting Positions In the out of the box configuration the shocks are installed in position A on the shock tower and position 2 on the lower suspension arm This setting allows for moderate suspension travel and ride height The more vertical position of the shocks allows for lower shock progression and the soft plush feel that s ch...
Страница 33: ...nt The life of the pegs depends on how the slipper clutch was adjusted and how the T Maxx was used If the slipper will not tighten or you are seeing signs of wear on the face of the gear then the pegs should be replaced Piston sleeve The life of the piston and sleeve will vary greatly with how the engine was used and maintained The piston and sleeve should be replaced when they no longer seal effe...
Страница 34: ...e EZ Start controller 4 Push the EZ Start button for several seconds to clear the engine of excess fuel Do not look into the glow plug hole while the engine is spinning or you could spray fuel into your face 5 Turn the model over and reinstall the glow plug and gasket 6 Reconnect the blue glow plug wire to the glow plug 7 Reconnect the EZ Start controller 8 Do not prime the engine Pull the throttl...
Страница 35: ...re is any improvement in starting and idling Only lean the fuel mixture just until the engine will run and idle reliably and then proceed with the break in The contents of different brands of fuel other than Traxxas Top Fuel in combination with extreme atmospheric conditions can also make the factory preset break in settings too rich and cause the symptoms described above Again try leaning the fue...
Страница 36: ...1100 Klein Road Plano Texas 75074 1 888 TRAXXAS 121130 KC1792 R01 MODEL 49104 owner s manual ...
