Page 2 - Shock Oil
2 INTRODUCTION Thank you for purchasing a Traxxas Nitro 4-Tec Pro.This limited-edition, pro kit is loaded with all the latestsedan racing hardware and engineering technology.This pro kit does not come with an engine or tuned pipe,allowing you to choose an engine which is legal for yourrace track. If...
Page 3 - machine screw; PTFE
3 WARRANTY STATEMENT Every effort has been made in component design andmaterial selection to make your model as durable aspossible and still maintain a competitive race weight. Because this model is intended for use in high speedcompetition under the most severe conditions, no war-ranties are expres...
Page 4 - Ti
4 PERSONAL SAFETY PRECAUTIONS Please follow the precautions at all times. Operate yourNitro 4-Tec Pro sensibly and with care and it will beexciting, safe, and fun for you and your spectators.Failure to operate your Nitro 4-Tec Pro in a safe andresponsible manner could result in property damage andse...
Page 5 - NEGATIVE CAMBER
5 SHIFT POINT ADJUSTMENT The Nitro 4-Tec Pro comes equipped with a two-speedtransmission. When the shift point on this transmission isadjusted correctly, it will maximize acceleration, improvedrivability, and minimize lap times. Use a 2.0mm allenwrench to adjust the shift point. NOTE: It is importan...
Page 7 - N4T Pro Assembly Procedure:
7 N4T Pro Assembly Procedure: 1) Assemble dampers and springs per the instructions. Dampers shouldbe 65.5mm overall when assembled. Set aside. Bag A A-1 Remove the shock parts from Bag A. Pour the contents of each individ-ual bag into the corresponding compartment of the plastic parts box. A-2 Inser...
Page 11 - BAG B Ball Differential; Press a 5x8mm ball bearing into the center of the diff gear.
11 BAG B Ball Differential This drawing is provided to help you identify the parts of theball differential by name. STEP B-1 Locate the main diff pulley and pack each of the 10 holes with the sup-plied diff lube. Insert a 1/8” diff ball into each of the holes. Push the ballsinto the side with the bo...
Page 13 - BAG C; right output shaft assembly
13 STEP B-11 Screw the right output shaft assembly from STEP B-8 onto the diff shaftfrom the opposite side of the main pulley. Make sure that the bellevillewashers are compressing, without binding. Tighten until the threadsstop. Back off 1/4 to 1/8 turn in order to get within range of the finaladjus...
Page 14 - Snap in the metal hollow ball connectors with needle nose pliers.
14 STEP C-4 Rear Camber links (Quantity: 2) Use the long rod ends on 24mm turn-buckles for the rear rear camber links. Assemble as shown. Snap in themetal hollow ball connectors. The center-to-center distance should be38mm. STEP C-5 Drag Link (Quantity: 1) Locate the 36mm turnbuckle and (2) short ro...
Page 15 - Set all of these assembled linkage components aside.; BAG D DRIVE SHAFT; U-joint assembly tool
15 STEP C-8 Assemble the upper control arms as shown. The center-to-center dis-tance should be 42mm. Set all of these assembled linkage components aside. BAG D DRIVE SHAFT STEP D-1 Drive shafts: In bag D, find the sub-bag containing the drive shaft com-ponents. From the “Tools” bag, find the U-joint...
Page 16 - Insert another pin into one ear of the stub axle joint.
16 STEP D-6 Use the u-joint assembly tool to push the remaining pin into the stubaxle yoke. Again, apply pressure down while pushing so that both earswill spread. Repeat steps D-1 to D-6 for the remaining 3 female driveshafts and stub axles. STEP D-7 Find (1) Differential output yoke, (1) metal u-jo...
Page 17 - BAG F FRONT DIFFERENTIAL HOUSING
17 STEP D-10 Insert (2) 3x3mm grub screws into each of the (4) differential outputyokes. Do not screw them in all the way. Set the drive shaft assembliesaside. BAG E: Sway Bars E-1 Sway Bars: Locate the bag labeled “Sway Bars.” Find the (4) nylonsway bar links. Locate (4) 3x5mm roundhead machine scr...
Page 18 - Left
18 F-3 Locate one of the ball differentials and (2) 10x15x4mm ball bearings.The bearings are in Hardware Bag. F-4 Press a 10x15x4mm ball bearing onto each side of the ball differential. F-5 Find the 76-tooth drive belt. Wrap the 76-groove drive belt around thedifferential pulley, and insert the Ball...
Page 23 - Rear Side Plate Assembly:
23 F-27 Insert the remaining 3x15mm caphead shoulder screw through the bot- tom hole on each of the brake pads and then into the stiffener. Tightenthe screw until it stops. F-28 Adjusting the Brake Pads: Screw the upper and lower brake pad screwsinto the stiffener until there is only 7.5mm of expose...
Page 26 - Snap a small E-clip into one groove of each of the four hinge pins.
26 F-43 Adjust the brake if necessary. Insert the 2.0 hex wrench under the rearbrace as shown. The rear mechanism should spin freely without drag-ging. If there is drag, loosen the brake adjusting screws slightly. F-44 Rear Suspension: Locate the left and right rear stub axle housings and (4) 5x11x4...
Page 28 - Secure the rear sway bar with two 3x8mm buttonhead machine screws.
28 F-53 Attach the camber links to the upper inside holes in the ears of the sideplates with the 3x12mm countersunk machine screws. F-54 Attach the outer ends of the camber links to the stub axle housings with3x15mm countersunk machine screws. F-55 Find the rear sway bar from step E-1. The rear sway...
Page 29 - BAG G; inner gear hub
29 BAG G Two Speed Assembly: G-1 Locate the 45-tooth spur gear and the outer aluminum gear hub (withthe one-way bearing installed). G-2 slide the 45-tooth spur gear onto the outer aluminum gear hub so thatthe notches in the hub engage the tabs molded into the gear. G-3 Secure the gear to the hub wit...
Page 30 - Slide the two-speed gear and hub assembly onto the two-speed shaft.
30 G-7 Locate the drive hub. Set the adjustment set screw to beflush with the counter bore as shown. Slide the drive hubonto the two-speed shaft as shown. Note that the adjustingscrew is behind the set screw in the photo (arrow 2). Alignthe set screw with the flat on the two-speed shaft and thentigh...
Page 31 - Insert an axle pin into the hole in the two speed shaft.; BAG H; Upper Chassis and Bellcrank Assembly:
31 G-11 Insert an axle pin into the hole in the two speed shaft. G-12 Slide on the 20-groove pulley so that the slot in the pulley engages theaxle pin in the shaft. Slide on the pulley flange with the beveled side ofthe flange facing the pulley. G-13 Secure the 20-groove pulley with a large (5mm) E-...
Page 33 - Secure the 3x20mm screws with 3mm locknuts.
33 H-8 Place the bearing block assembly onto the top plate as shown.Sandwich the assembly with your fingers and turn it over. H-9 Insert two 3x20mm buttonhead machine screws through the remainingbearing block holes. H-10 Secure the 3x20mm screws with 3mm locknuts. H-11 Steering Stops: Locate (2) 3x6...
Page 39 - Locate the front sway bar.
39 I-14 Locate the blue-anodized aluminum bottom chassis and (4) 3x20 countersunk machine screws. I-10 Slide the graphite tie bar over the hinge pins as shown. It may be nec-essary to use a 1/8” (.125) drill bit to open up the holes in the tie bar.Secure the opposite end of each hinge pin with a sma...
Page 42 - Snap a small E-clip into one groove of each of the hinge pins.
42 I-27 Position the upper control arm assembly on the upper chassis asshown. Note that the assembly must go through the middle of the frontbelt. Fasten the assembly to the upper chassis with (2) 3x15mm button-head machine screws in the front and (2) 3x12mm buttonhead machinescrews in the rear. I-28...
Page 43 - Insert the bearings into the front axle housing.
43 I-33 Use a 1.5mm allen wrench to tighten the 3x3mm grub screws againstthe differential output shafts. Do not overtighten these screws or you willstrip the plastic. Repeat for the other side. I-34 Locate the female driveshaft assemblies (with the stub axles). Insert themale halfshaft into the fema...
Page 49 - Remove the 3x20 button head screw and spacer.
49 J-19 Locate the exhaust header, gasket, (2) 3x23mm caphead machinescrews, and (2) 3x5mm split lockwashers. J-18 Turn the car over and firmly tighten all six of the engine mount screws.After the screws are tight, remove the paper and check the gear alignment for binding or excessive looseness. J-1...
Page 51 - Mount the on/off switch in the receiver plate as shown.
51 K-4 Locate the receiver battery/ switch harness which came with your radiosystem (not included in the kit). Install batteries in the battery holder.Stretch a rubber balloon over the battery holder to protect it from fuelcontamination. K-5 Use the large zip strap to secure the battery to the graph...
Page 53 - Insert the antenna wire through the plastic antenna tube.
53 K-14 Fold the excess antenna wire over the top of the antenna tube andsecure it with the vinyl antenna tip. K-15 Locate the servo saver adapters. The servo saver will fit standardTraxxas and Futaba standard servos without an adapter. Sanwa andAirtronics servos may require an adapter. K-16 Install...
Page 55 - Locate the brake cam lever and a 3mm grub screw.
55 K-24 Insert the brake cam through the brake cam. Position it as shown andsecure it with a 3mm grub screw in the top of the brake cam. K-26 Insert the brake wire through the brake cam and then through the rodguide. K-23 Insert the end of the throttle rod through the top hole on the carburetorthrot...
Page 57 - Bag L; Wheels and Tires
57 L-2 Install the inserts into the tires. L-3 Stretch the tires over the rims. Note: the tires are directional. Place thewheels around the car to make sure that the arrows in the tread designon each tire point to the front of the car. L-4 Glue the tires to the rims with thin CA glue. Pull back the ...
Page 58 - Bag M; Body Mounts
58 M-2 Attach the body posts to the front bumper with the 3x10mm countersunkmachine screws. L-8 Install the wheel over the hex hub (noting the tread direction) andsecure it with a 4mm flange nut. Repeat steps L-6 through L-8 for theremaining three tires. Bag M Body Mounts M-1 Locate the front body p...
Page 59 - Locate the foam bumper, two body washers, and two body clips.
59 M-3 Attach the rear body posts to the rear shock tower as shown. Do notover-tighten the clamp screws into the shock tower. M-4 Locate the foam bumper, two body washers, and two body clips. M-5 Slide the foam bumper over the front body posts and secure it with thebody washers and clips. M-6 Connec...
