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MoDEl 5908
owners manual

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Summary of Contents for Traxxas Slayer Pro 4WD 5908

  • Page 1 MoDEl 5908 owners manual...
  • Page 2 Introduction Before You Thank you for purchasing a Traxxas Slayer. The Slayer is designed to Proceed Traxxas Support simulate the speed and excitement of full-scale Pro 4 short-course Traxxas support is with you every step of the race trucks. 4WD Short Course Racing brings together the most Safety way.
  • Page 3: Before You Proceed

    Traxxas service needs. Maintenance and replacement Traxxas.com identified by the icons below. Be sure to read them! parts may be purchased directly from Traxxas by phone or online E-mail: support@Traxxas.com at BuyTraxxas.com. You can save time, along with shipping...
  • Page 4 Safety Precautions BELOW TEXT HAS BEEN UPDA All of us at Traxxas want you to safely enjoy your new Slayer. Operate Because Slayer is controlled by radio, it is subject to radio your Slayer sensibly and with care, and it will be exciting, safe, and fun interference from many sources beyond your control.
  • Page 5: Tools, Supplies And Required Equipment

    20% quart - #5020 33% quart - #5030 10% gallon - #5060 20% gallon - #5070 33% gallon - #5080 Traxxas Top Fuel® Power Plus NiCad or NiMH NiCad or NiMH battery charger ™ 12 AA alkaline batteries see page 20 7.2V battery pack...
  • Page 6 Anatomy of the Slayer Throttle Linkage to Hex Hub Axle Carrier TRX 3.3 Racing Engine Throttle/Brake Servo see pg. 19 for details Pivot Ball (below filter) Access Plug (for two-speed adjustment) Suspension Arm Exhaust Header Roll Hoop Rocker Transmission Driveshaft (Half Shaft) Nerf Bar Push Rod Air Filter...
  • 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 Slayer 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: Applying The Decals

    Decorating your Model TIRE GlUInG APPlYInG ThE DEcAlS The factory tires on your Slayer are already glued to the rims. The tires The main decals have already Always wear safety glasses must be glued to the rims to prevent the rims from spinning inside been applied to your Slayer.
  • Page 9 The Traxxas TQ Radio System Your Slayer is equipped with the TQ radio system. The TQ is a 2-channel system that provides up to a quarter mile range and control for up to three servo outputs. Slayer has a provision for a...
  • Page 10 Frequency band - The radio frequency used by the transmitter to send signals to your model. All Traxxas RTR models operate on a 27 MHz frequency band. mAh – Abbreviation for milliamp hour. A measure of the capacity of the battery pack.
  • Page 11: Installing Transmitter Batteries

    RX Power Pack installed in the model. for charging 7.2V EZ-Start batteries. The TRX Power Charger can operate on either AC or DC power. A special wiring harness for Slayer (Traxxas part #3034) that includes a handy external charging jack is required.
  • Page 12: Setting Up The Antenna

    The Traxxas TQ Radio System SETTInG UP ThE AnTEnnA 1. Locate the black antenna wire that exits the receiver. Route the Spray a little window cleaner receiver antenna through the radio box lid and then slide the on the antenna wire to make...
  • Page 13 The Traxxas TQ Radio System TQ RADIo SYSTEM conTRolS Electronic Throttle Trim Steering The electronic throttle trim located on the face of the transmitter When the engine is running, adjusts the neutral (center) point of the throttle servo when the don’t use the throttle trim on...
  • Page 14 The Traxxas TQ Radio System TQ RADIo SYSTEM RUlES Always have the transmitter and receiver turned on before you Remember, always turn the Each time you prepare to run your Slayer, start the engine. Never turn the radio system off while the engine...
  • Page 15 The Traxxas TQ Radio System USInG ThE TQ RADIo SYSTEM 6. Operate the throttle trigger on the transmitter and check for rapid operation of the throttle servo. When the throttle trigger is pulled The TQ Radio System was pre-adjusted at the factory. The adjustment Don’t attempt to operate...
  • Page 16: 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 characteristics of broad, linear power delivery and ease of Engine.
  • Page 17 The TRX 3.3 Racing Engine TRX 3.3 RAcInG EnGInE IllUSTRATED Glow Plug Slayer’s fuel tank is Idle Speed Two-Stage equipped with a built-in Screw Air Filter sintered bronze fuel filter. Head Protector PowerTune Head ™ (Cylinder Head) EZ-Start Drive Unit ®...
  • Page 18: 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 19 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 20 Engines. No one knows more about the specific fuel requirements of extra oxygen to the combustion process. It burns more efficiently, Traxxas engines, than Traxxas engineers. We strongly urge you not to improves combustion, and delivers more power. When increased nitro...
  • Page 21: The Air Filter

    ATV engines. This type of filter oil is available at motorcycle pro-shops. Apply a total of 24 drops of Traxxas air filter oil, evenly ThE AIR FIlTER distributed between the top, bottom and sides of the filter element.
  • Page 22 The TRX 3.3 Racing Engine The carburetor correct air/fuel ratio. Warmer air is less dense (fewer air molecules) and therefore needs less fuel to maintain the correct air/fuel ratio. The See page 29 for more Understanding the Carburetor adjustments information on how air tuning needles are there to adjust how much fuel is made available for The carburetor performs several functions.
  • Page 23 The TRX 3.3 Racing Engine Slightly lean fuel mixtures deliver stronger, more efficient combustion and more power, but with less lubrication. Richen See Tuning Your TRX 3.3 Water Valve Racing Engine on page 28 (Controls Overall Flow) Slightly rich fuel mixtures deliver cooler running and more for complete information on High Speed Needle lubrication but with slightly less power.
  • Page 24 The TRX 3.3 Racing Engine ThE TRAXXAS EZ-START ElEcTRIc STARTInG SYSTEM The Traxxas EZ-Start brings the convenience of push-button electric 5. Snap the battery compartment door back on and lock the Use the Right Charger engine starting to your Slayer. The EZ-Start consists of a hand-held end tab (D).
  • Page 25 The TRX 3.3 Racing Engine Use a Strong Starter Battery A weak starter battery, or one that has not been fully charged, may When the EZ-Start controller not deliver enough power to crank the engine over at the appropriate is in protection mode, wait rpm to keep the piston from sticking at top dead center (TDC).
  • Page 26 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 deposits to form on the plug leading to plug failure. The TRX 3.3 Racing Engine uses a ringless, aluminum-brass-chrome See Important Points to Change or clean your air filter after break-in.
  • Page 27 2-second count. Then gently apply the brake to stop. Count 1. Driving procedure: Gently pull the throttle trigger to full throttle Only use the Traxxas break-in the two seconds out while accelerating: one thousand one, one over a 3-second count, hold for 2 more seconds, and then procedure.
  • Page 28 The TRX 3.3 Racing Engine Winter Break-in Tips We do not recommend that you operate your engine below 35 During the break-in process, the piston and sleeve wear into each other degrees Fahrenheit. If you insist on running your vehicle below 35 When tuning for to form a precise fit.
  • Page 29 The TRX 3.3 Racing Engine Before you begin tuning, the engine should be warmed up to its normal 2. Bring the vehicle in and pinch closed the fuel line going into the operating temperature and running slightly rich. All final tuning adjustments carburetor (use the engine shut-off clamp).
  • Page 30 . If engine temperature is exceeding 270°F with proper cooling optional infrared temperature probe or and no signs of abnormal running, then avoid running the engine at its on-board temperature gauge (Traxxas maximum lean setting. Watch closely for any signs of overheating. on-board digital temperature gauge, part Richen the fuel mixture slightly to provide a safety margin of additional #4091).
  • Page 31 Driving Your Slayer InTRoDUcTIon Driving Tips Your TRX 3.3 Racing Engine is broken in, the fuel mixture is balanced, Slayer is very fast. Select a large area to drive with few and the idle is set…now it’s time to have some fun! Before you go on, opportunities for collision until you become familiar with Slayer’s here are some important precautions to keep in mind.
  • Page 32: Basic Tuning Adjustments

    In most cases, the basic information is all that is needed to Optional springs available from Traxxas are listed below. Refer to your tune Slayer to perform well on a variety of surfaces. parts list for a complete part number listing. Higher rate springs are Slayer was engineered to provide sophisticated additional tuning stiffer.
  • Page 33 Basic Tuning Adjustments Adjusting the Pivot Ball Caps 5. Slowly move the piston up and down (always keeping it submerged The pivot ball caps should be in oil) to release the air bubbles. Let the shock sit for a few minutes Important: The shocks are adjusted so that the pivot balls to allow any remaining air bubbles to surface.
  • Page 34 Basic Tuning Adjustments Static Camber Adjustment Alignment Settings The wheels can be set to have either The alignment settings are critical for optimizing the performance For caster, roll center, and positive or negative camber (see illustration optional rocker arm tuning see of Slayer.
  • Page 35 Basic Tuning Adjustments TRAnSMISSIon TUnInG Adjusting the Two-Speed Transmission Slayer comes equipped with an adjustable two-speed transmission. Adjusting the Slipper Clutch When the shift point on the transmission is adjusted correctly, it will Your Slayer is equipped with maximize acceleration and improve drivability. Use a 2mm hex wrench an adjustable Torque-Control ™...
  • Page 36: Steering System

    An optional stiffer spring is available for the servo saver when using Repeat the above steps in reverse order to install the new spur gear. servos with metal gear sets (see parts list for details). Do not use this spring with standard Traxxas high-torque servos. STEERInG SYSTEM BRAKE SETUP & ADjUSTMEnT Slayer uses a digital servo and a single heavy-duty servo saver for powerful, responsive steering.
  • Page 37 Basic Tuning Adjustments Brake Shoulder Screw Adjustment The two shoulder bolts that are 0.5mm used to secure the brake pads to the transmission housing may need to be adjusted periodically as the brake material wears down. They should be tightened so a 0.50mm (.020”) gap exists between the disk and the brake pad (on the transmission side).
  • Page 38 You must perform after-run maintenance on your components such as the Perform after-run maintenance on the engine. This clears the engine Traxxas engine whenever the model will be stored for crankcase, crankshaft, and of destructive moisture and other corrosive deposits. This is extremely longer than a few hours.
  • Page 39 Maintaining and Storing Your Slayer 3. With the fuel tank empty and the throttle at the idle position, try to Piston stuck at “top dead center” (TDC) start the engine. The engine will most likely start and run for a few “Top dead center”...
  • Page 40: Advanced Tuning Adjustments

    Advanced Tuning Adjustments This advanced tuning guide will take you one step further into the Roll Center cutting edge technology that has been designed into Slayer. Follow There are two holes on the Upper Control Arm the instructions provided here to take advantage of Slayer’s maximum bulkheads to mount each upper Upper Mounting Holes performance potential.
  • Page 41 Advanced Tuning Adjustments Bump Steer Elimination Chart Rocker Arm Total Travel Progressive Rate The illustrations and the following table detail the position of the outer 60mm toe link end for various caster and roll center settings to eliminate bump Progressive 2 Medium (40mm up / 20mm down) steer.
  • Page 42 This requires transmission optional piston. Be careful not to lose the removal and disassembly (see Traxxas.com for detailed instructions). small washer located below the piston. The close ratio gearsets will reduce top speed slightly but will provide 2.
  • Page 43 2nd gear sets Gear • More power to the wheels 17T/37T 15.75 16.62 17.50 viscosity silicone oil. Only use silicone oil in the differentials. Traxxas with least traction. (Standard) 10.92 11.53 12.14 • Racing on low-traction sells SAE 10,000W and SAE 50,000W viscosity oil (see your parts list). The 16T/40T 15.75...
  • Page 44 MoDEl 5908 1100 Klein Road, Plano Texas 75074 1-888-TRAXXAS 080812 KC1151...

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Slayer pro 5908

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