7008/7108 Manual - Traxxas

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DRIVING YOUR MODEL• Transmission: Remove, disassemble,and clean the transmissioncomponents. No grease is requiredfor the nylon gears. Refer to yourexploded view diagrams for help withdisassembly and reassembly.• Motor: Remove the motor, cleanwith aerosol motor cleaner, and re-oilthe bushings (Titan 380 motor) orbearings (Velineon 380 motor) with lightweight motor oil. Be sureto wear eye protection when using spray aerosol cleaners.RECEIVER BOX: MAINTAINING A WATERTIGHT SEALRemoving and Installing Radio GearThe unique design of the receiver box allows the removal andinstallation of the receiver without losing the ability to maintain awatertight seal in the box. The patent-pending wire clamp featuregives you the ability to also install aftermarket radio systems andmaintain the watertight features of the receiver box.Removing the Receiver1. Remove the 2.5x8mm screws that secure the wire clamp.2. Remove the 2.5x8mm screws that secure the receiver box lid to thechassis. Lift the lid up and toward you to disengage the lid’s tab fromits slot in the chassis.3. You can now access the receiver. Unplug the servo cables from thereceiver and remove the receiver.AReceiver Installation1. Route the antenna wireout of the receiver boxcover (A). Place the coveron the chassis.2. Route the servo andspeed control leads into the receiver box cover.Use the molded-in wire guides to align theservo and speed control leads and antennawire (B).3. Apply a small bead of silicone grease (<strong>Traxxas</strong>part #1647) to the wire clamp (C).4. Install the wire clamp and tighten the two2.5x8mm screws securely (D).BCD5. Lift the receiver box cover and plugthe servo and speed control leads intothe receiver (E). Refer to page 9 for thewiring diagram.6. Bundle the wires so they fit beneath thereceiver box cover. You may secure thereceiver to the chassis with mounting tapeif you wish, but this is not required. Theexcess wire beneath the cover will preventthe receiver from rattling.7. Make sure the blue O-ring is properlyseated into the groove around the receivercover base so the cover will not pinch ordamage the O-ring. Snap the receiver boxcover into place (F).8. Inspect the cover to make sure the O-ringis not visible. If it is, remove the cover andreposition the O-ring. With the O-ring andcover properly seated, install the 2.5x8mmscrews and tighten them securely (G).EFG20 • TR A X X AS
TUNING ADJUSTMENTSThe Slash VXL 4WD and E-Revo VXL are factory-tuned for optimumperformance in a wide variety of off-road conditions. To tailor theperformance and handling of your model to suit your driving style andterrain, both models have a number of adjustable features. Gearing,shock preload and damping, ride height and wheel camber can all beeasily adjusted.SUSPENSION TUNINGRide Height AdjustmentThe Slash VXL 4WD andE-Revo VXL both havethreaded shock bodiesthat make it easy to adjustride height. Threading theshocks’ preload collarsCompression 2/3away from the caps willRide Heightraise the vehicle’s rideSag (Droop) 1/3height (the distanceAxle Centerline at Max CompressionAxle Centerline at Ride Heightfrom the chassis to theAxle Centerline at Max Sagground), and reduce thesuspension’s down travel,also known as ‘sag’ or‘droop’. This can be helpful in rugged terrain where extra groundclearance is needed. However, the vehicle’s center of gravity (CG) willbe raised, making it less stable.Threading the shocks’ preload collars toward the caps will lower thevehicle’s ride height and increase the suspension’s droop. This willlower the vehicle’s CG and improve handling, but it will also reduceground clearance.From the factory, Slash VXL 4WD and E-Revo VXL are set up as shownin the illustration above. At rest, the suspension sags to about 1/3of its total travel. This allows the suspension to extend so the wheelcan drop into depressions over rough terrain. This leaves 2/3 of thetotal suspension travel for compression when absorbing bumps andlanding jumps. These settings are ideal for most surfaces, and onlysmall changes in ride height should be required to fine-tune thevehicle’s handling for your particular surface.Total TravelShock OilThe 4 oil-filled shocks (dampers) effectively control the suspensionmovement by preventing the wheels and tires from continuingto “bounce” after rebounding from a bump. Changing the oil inthe shocks can vary the suspension damping effect. Changing theoil to a higher viscosity oil will increase damping. Lowering theviscosity of the oil will cause the suspension damping to be reduced.Damping should be increased (with higher viscosity oil) if the modelis bottoming easily over jumps. Damping should be decreased (withthinner viscosity oil) if the model is hopping over small bumps andfeels unstable. The viscosity of shock oil is affected by extremesin operating temperature; an oil of certain viscosity will becomeless viscous at higher temperatures and more viscous at lowertemperatures. Operating in regions with cold temperatures mayrequire lower viscosity oil. The Slash VXL 4WD’s shocks are filled withSAE 30W oil. The E-Revo VXL’s shocks are filled with SAE 40W oil. Onlyuse 100% silicone oil in the shock.Replacing Shock OilThe shocks have to be removed from the vehicle and disassembled tochange the oil.1. Remove the lower springretainer and shock spring.2. Remove the upper shockcap. If you cannot unscrewthe cap with your fingers,pass the 2mm ‘L’ wrenchthrough the cap’s eyeletso you can apply moreleverage. Turn the cap counterclockwise to loosen it.3. Empty the used shock oil from the shock body.4. Fill the shock with new silicone shock oil up to the top of theshock body.5. Slowly move the piston up and down (always keeping it submergedin oil) to release the air bubbles. Let the shock sit for a few minutesto allow any remaining air bubbles to surface.6. Slowly thread the upper cap with the installed shock bladder ontothe shock body. The excess oil will bleed out of the small hole in theshock cap.7. Tighten the shock cap until snug.Important: The shocks areassembled at the factory witha center-to-center distance(between the rod end balls)of 47.75mm. Any time theshocks are removed anddisassembled, this distanceshould be checked to ensureproper operation of thesuspension.47.75mmTRAXXAS • 21
Page 3 and 4: BEFORE YOU PROCEEDCarefully read an
Page 5 and 6: TOOLS, SUPPLIES AND REQUIRED EQUIPM
Page 8: QUICK START: GETTING UP TO SPEEDThe
Page 11 and 12: THE TRAXXAS TQ RADIO SYSTEMNiCad -
Page 13 and 14: THE TRAXXAS TQ RADIO SYSTEMINSTALLI
Page 15 and 16: THE TRAXXAS TQ RADIO SYSTEMTQ RADIO
Page 17 and 18: ADJUSTING THE ELECTRONIC SPEED CONT
Page 19: DRIVING YOUR MODELNot all batteries
Page 23 and 24: TUNING ADJUSTMENTSwill generally be
Page 25 and 26: WHEELS AND TIRESThe Slash VXL 4WD a
Page 27 and 28: NOTESTRAXXAS • 27

7008/7108 Manual - Traxxas

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