Traxxas Rustler 3701 Assembly Manual
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Traxxas Rustler 3701 Assembly Manual

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MODEL 3701
MODEL 2401
REV 030128
ASSEMBLY MANUAL

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Summary of Contents for Traxxas Rustler 3701

  • Page 1 MODEL 3701 MODEL 2401 REV 030128 ASSEMBLY MANUAL...

  • Page 2: Tools You Will Need

    However, some brands of receivers have reversed positive and negative need 4-5 hours to assemble this kit, while others may spend an entire input terminals. If you connect the Traxxas speed control to one of these weekend on it. You should feel comfortable with taking as much time as receivers without changing the wiring, the receiver will be severely you need to properly build and set-up your model.
  • Page 3 Countersunk Machine Screw Washerhead Machine Screw Roundhead Machine screw Shoulder Screw Countersunk Self-tapping Screw Washerhead Self-tapping Screw Roundhead Self-tapping Screw Nylon Locknut Flange Nut Grub Screw Plastic Bushing Aluminum Spacer 3x6x4mm Spacer Plastic Washer Metal Washer 12mm Teflon Washer 3x12mm Countersunk machine screw Split Washer E-Clip...
  • Page 4 STEP A-1 This drawing is provided to help you identify the parts of the planetary differential by name. STEP A-2 Locate the main differential gear and one of the sun gears. Apply silicone grease to the base of the output shaft of the sun gear. Insert the sun gear through the center of the main differential gear.
  • Page 5 STEP A-6 Squeeze a liberal amount of silicone grease inside the main differential gear. Locate the side cover plate. Notice that the two alignment notches, in the side cover plates (arrows) are different sizes. Install the cover plate over the sun gear shaft and onto the main differential gear.
  • Page 6 STEP A-11 Apply a light coating of silicone grease on the teeth of the top gear. Install the top gear shaft into the left gearbox half as shown. STEP A-12 Locate the idler gear shaft and install it into the left gearbox half as shown. Do not grease the ends of the shaft where they insert into the plastic.
  • Page 7 STEP A-16 Slide the right gearbox half over the top gear, idler gear, and differential gear shafts. Hold the gearbox halves together tightly with your fingers and spin the top gear shaft to ensure that there is no binding. Slight amounts of roughness will be eliminated after the gearbox has been broken-in from use.
  • Page 8 STEP A-21 Locate the two external-splined halfshafts, two metal u-joint balls, and the u-joint assembly wrench. External-spline (male) Internal-spline (female) BANDIT: The Bandit halfshafts are shorter than the ones pictured; however, the assembly process is identical. STEP A-22 Begin by inserting one of the pins of the metal u-joint ball into the external- splined halfshaft.
  • Page 9 SLIPPER CLUTCH INSTALLATION: STEP A-26 Locate the 84-tooth spur gear, two pressure plates, two notched, pressure rings, six friction pegs, the spur gear bushing, the slipper tension spring and a 4mm locknut. BANDIT: Use the 78-tooth spur gear instead of the 84-tooth spur gear that is pictured. STEP A-27 Install a pressure plate onto the top gear shaft with the small, gold pin facing out.
  • Page 10 STEP A-31 Fasten the motor to the transmission with the two 3x8mm washerhead machine screws. Do not tighten the screws yet. STEP A-32 Slide the pinion gear (teeth first) onto the motor shaft as shown. Insert the grub screw into the pinion gear and tighten it against the flat of the motor shaft with a 1.5mm Allen wrench.
  • Page 11 STEP A-36 Fasten the two rear camber links to the lower holes in the shock tower with the 3x12mm shoulder screws and 3x6mm flat washers. Insert the washer between the shoulder screw and the shock tower. STEP A-37 Position the rear shock tower on top of the gearbox as shown. Fasten the shock tower to the gearbox with two 3x12mm roundhead self-tapping screws.
  • Page 12 STEP B-4 Position a stub axle carrier, as shown, on the end of each of the suspension arms. Note that the stub axle carrier has two pivot points. Use the top hole. Insert a 28mm screw pin through the pivot points on each arm. Do not overtighten.
  • Page 13 STEP B-9 Insert the external-splined halfshaft into the internal-splined halfshaft. Next, insert a greased stub axle through the stub axle carrier. Repeat for the opposite side. STEP B-10 Attach the free end of the camber link to the stub axle carrier with a 3x12mm Washer shoulder screw and a 3x6mm flat metal washer.
  • Page 14 STEP C-4 Attach the front suspension arms to the bulkhead by inserting a 40mm screw pin through each pivot point. Tighten the screw pins until they are snug, but not tight enough to bind the part. STEP C-5 The caster blocks are labeled L and R for left and right. Position the right caster block in the right suspension arm as shown.
  • Page 15 STEP C-9 Locate the two 78mm front camber links, four 3x12mm shoulder screws, and four 3x6mm flat metal washers. BANDIT: The front camber links are 75mm overall length. STEP C-10 Attach one end of each camber link to the front shock tower by inserting the 3x12mm shoulder screw through the camber link, sliding a 3x6mm flat metal washer over the shoulder screw, and...
  • Page 16 STEP D-2 Lubricate a rubber O-ring by putting a drop of silicone oil on it. Push the O-ring into the bottom of the shock body. STEP D-3 Locate the 3x6x2.5mm spacer and remove any mold flashing. Insert the spacer, rounded edge first, into the bottom of the shock body and press firmly so that it compresses the rubber O-ring.
  • Page 17 STEP D-7 Place a piston head on the shock shaft. Use the two-hole pistons with the factory-supplied, 40-weight shock oil. Secure the piston head with a small e-clip. STEP D-8 Place a drop of oil on the threads of one of the shock rods (use the longer rods in the longer shock bodies (rear).
  • Page 18 STEP D-12 Allow any remaining air bubbles to surface, then screw on the upper shock cap. Tighten the upper cap only finger tight. Overtightening may damage the rubber diaphragm and cause leakage. Exercise the shock. It should operate smoothly and quietly. If it squeaks, remove all trapped air bubbles in the shock body by removing the upper cap and allowing the bubbles to surface and break.
  • Page 19 STEP E-3 Attach the drag link to the bellcrank with the two 3x12mm shoulder bolts, as shown. Make sure the assembly operates smoothly without binding. STEP E-4 78mm Locate the two 62mm turnbuckles (tie rods), four long rod ends, and four hollow ball connectors.
  • Page 20 STEP E-8 Slide the bellcrank assembly over the posts as shown (note photo for exact assembly). STEP E-9 Locate two 3mm flat washers and two 3x30mm hex cap screws (shown below). Place the washers over the shoulder screws and secure the bellcrank assembly to the posts.
  • Page 21 STEP E-13 Attach the steering rod to the servo saver with the 3x15mm washerhead machine screw and the 3mm locknut. STEP E-14 Attach the steering rod to the right bellcrank with the 3x12mm washerhead machine screw. STEP E-15 Position the bellcranks so that they are pointing straight ahead, and fasten the servo saver to the servo output shaft.
  • Page 22 The receiver is part of the radio system and is not included in the kit. If you are using a Traxxas receiver, fasten the tabs on the receiver to the posts molded in the left side of the chassis. Use two 3x6mm washerhead self- tapping screws.
  • Page 23 OUTPUT THROTTLE SERVO: SHAFT STEP F-4 Locate your throttle servo (not included in the kit) and four 3x8mm washerhead self-tapping screws. Center your throttle servo as described in your radio system’s instructions. Install the throttle servo in the chassis. Position the output shaft as shown and secure the servo with the four 3x8mm washerhead self-tapping screws.
  • Page 24 Secure the speed control with two 3x12mm washerhead screws. NOTE: The servo horn on the speed control is compatible with Traxxas/ Futaba radios. When using other brand radios, use the servo horn which comes with your radio system. STEP F-11 Insert a 3x12mm roundhead self-tapping screw into the shock tower just above the speed control.
  • Page 25 STEP F-14 Insert the white and blue resistor wires through the square hole in the rear shock tower. Reconnect the wires to the resistor pack. They can be connected in any combination, so long as there is one white and one blue wire per resistor.
  • Page 26 FRONT END ASSEMBLY: STEP F-19 Position the front suspension assembly onto the front of the chassis as shown. Attach the front suspension to the chassis with three 4x12mm countersunk machine screws from the underside. STEP F-20 Locate the upper chassis plate assembly, two 4x15mm countersunk machine screws, two 3x12mm washerhead machine screws and two 3x12mm countersunk self-tapping screws.
  • Page 27 STEP F-24 Snap the bottom of each rear shock over the ball screws in the rear suspension arms. STEP F-25 Locate the front shocks, the two remaining 3x12mm shoulder screws, two 3x6mm flat metal washers, and two 3x15mm roundhead machine screws.
  • Page 28 STEP G-3 Slide a hex hub over the stub axle, aligning the stub axle pin with the slots in the hex hub. STEP G-4 Slide a rear wheel over the stub axle, turn until it locks into the wheel. Secure the wheel with a 4mm locknut.
  • Page 29 STEP G-8 Slide a front wheel over the front axle. Turn until it locks into the front wheel. Secure with a 4mm locknut. Hold the wheel when tightening the locknut. Repeat steps G-6 through G-8 for the remaining front wheel. BANDIT: On the Bandit, use 4mm nylon nuts.

This manual is also suitable for:

Bandit 2401

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