Team Losi XXX4 Owner's Manual
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Team Losi XXX4 Owner's Manual

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OWNER'S
MANUAL
Carefully read through all instructions to familiarize yourself with the parts, construction techniques, and
tuning tips outlined in this manual. Being able to grasp the overall design of your new XXX-4 Buggy
before beginning the construction process will ensure a smooth assembly.
Take your time and pay close attention to detail. Keep this manual for future reference.
Team losi, Division of Horizon Hobby inc.,
4710 Gausti Rd., Ontario CA 91761
P/N 800-0186
phone: (909) 465-9728 / Fax: (909) 590-1496
8/29/2002
www.TeamLosi.com / feedback@TeamLosi.com
MADE IN THE UNITED STATES OF AMERICA
RWW

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  • Page 1 Take your time and pay close attention to detail. Keep this manual for future reference. Team losi, Division of Horizon Hobby inc., 4710 Gausti Rd., Ontario CA 91761 P/N 800-0186...

  • Page 2: Introduction

    Welcome Team Losi XXX-4 Owner! Thank you for selecting Team Losi and the XXX-4 as your new racing Buggy. As you will see, we have made every effort to design and produce a kit that is not only the most competitve, but easy to build and maintain. The simple bag-by-bag assembly sequence and unmatched easily followed instructions, combined with Team Losi's world famous quality-fitting parts, should make building your new XXX-4 a most enjoyable project.

  • Page 3: Table Of Contents

    2. BAG A ....................1-7 3. BAG B ....................8-11 Team Losi is continually changing and improving designs; therefore, the actual part may appear slightly different than the illustrated part. Illustrations of parts and assemblies may be slightly distorted to enhance pertinent details.

  • Page 4: Bag A

    BAG A STOP! There are two, complete differential assemblies in the XXX-4 kit. The Front - plastic differential, shown in steps A-1 thru A-9 and The Rear - steel differential , shown in steps A-10 thru A-19. The XXX-4 kit was designed using the stock 42T drive pulleys in the front and rear of the car.
  • Page 5 BAG A (Continued) Step A-5 Diff Pulley 1. Insert a 5mm x 8mm Bearing (117) into the center of the 42T diff pulley (42). Figure 5 2. Press a 3/32" diff ball (82) into each of the twelve small holes in the diff pulley as indicated in Figure 5.
  • Page 6 BAG A (Continued) Step A-7 Bearing to Female Outdrive 1. Press a 5mm x 8mm bearing (117) into the center area of the female plastic outdrive/ diff half (20) as indicated. The edge of the bearing should be flush with the front of the outdrive. 2.
  • Page 7 BAG A (Continued) Step A-10 Diff Nut Carrier: 1. Insert a 4-40 mini lock nut (183) into the hex area of the diff nut Figure 10 carrier (27). The thread-locking portion (plastic) of the nut should face the outside. Step A-11 Diff Tube Assembly: Figure 11A 1.
  • Page 8 BAG A (Continued) Step A-14 Diff Pulley 1. Insert a 5mm x 8mm Bearing (117) into the center of the 42T diff pulley (42). 2. Press a 3/32" diff ball (82) into each of the small holes in the diff pulley as indicated in Figure 14.
  • Page 9 BAG A (Continued) Step A-16 Bearing Insert 1. Insert a 5mm x 8mm bearing (117) into the second outdrive/ diff half (87). Make sure that the bearing is pushed all the way into the outdrive. A pencil or the handle of a hobby knife can be used to push the bearing into place.
  • Page 10 BAG A (Continued) Step A-18 Diff Drive Ring to Female Outdrive SMALL AMOUNT 1. Locate the smallest of the Allen wrenches, 0.050 (128), and OF CLEAR DIFF place it through the slot in the outdrive/diff half (87) containing the GREASE (172) diff screw (91).

  • Page 11: Bag B

    Belt Installation: *NEVER PINCH THE BELT* NEVER OVER TIGHTEN THE SCREWS IN THE CHASSIS - Team Losi has designed interlocking features into the XXX-4 chassis when screws are to the point of being snug the parts are held firmly in place.
  • Page 12 BAG B (Continued) Step B-3 Front Diff Install: SIDE WITH DIFF NUT CARRIER (27) Note: Use the plastic diff assembly for the front of the XXX-4. The diff adjustment screw should be facing the drivers left side of the chassis. 1.

  • Page 13: Slipper Clutch Assembly

    BAG B (Continued) Step B-5 Slipper Clutch Assembly: 1. Press a 3/16" x 5/16" bearing (119) into the Slipper Hub (103) from the outside/large face. Slide the Top Shaft (99) through the bear- ing in the Slipper Hub. Tighten 2. Place the Spur Gear (71) onto the slipper hub and place all six of the slipper pucks (156) into the holes in the spur gear.
  • Page 14 BAG B (Continued) Step B-7 Tensioner Arm Installation: 1. Slide the Tensioner Arm Assembly (110) down over the belt (77) and connect the slot in the Tensioner Arm with the Slipper Clutch Assy., Belt Tensioner Bushing (96) as indicated in Figure 26A. 2.

  • Page 15: Bag C

    BAG C Step C-1 Steering Bellcrank Assembly: Using a medium grade sandpapper (i.e. 500 grit) clean the excess material off the 5mm x 8mm bushings. This will ensure a free working steering assembly. " 1. Thread a 3/16" ballstud (81), from the top side, into each of the left (30) and right (31) bellcranks.
  • Page 16 BAG C (Continued) StepC-3 Front Body Mount Install: Figure 30 " 1. Thread a 4-40 x 5/8" set screw (137) into a front body mount (64) until it hits the bottom. " 2. Thread the body mount into left bellcrank (30). "...
  • Page 17 BAG C (Continued) REQUIRED SERVO TYPE OFFSET SERVO ARM AIRTRONICS NARROW FUTABA S131, S131SH, S148, 23001, S3003, 25101, S9101, WIDE S9201, S9304, S9401, S9403 WIDE FUTABA NARROW S3401, S9402, S9404, S9450 HiTech NARROW NES-507, NES-513, NES-517, NES-901, NES-4000, NARROW NARROW NES-4131, NES-4721, NES-4735, NES-9021, DS- WIDE Z4750, Z8450...
  • Page 18 BAG C (Continued) Step C-6 Servo Install: Figure 33 " 1. Install the servo into the chassis (46). The pins from both servo mounting posts (34), (35) should fit into the holes and sit flat against the chassis. " 2. Secure the servo to the chassis with two 4-40 x 3/8" flat head screws (134).

  • Page 19: Bag D

    BAG D Step D-1 Front Inner Pivot Install 1. Install the front left inner pivot block (47) by threading two 4-40 x 3/8" flat head screws (134) through the bottom of the chassis (46) into the pivot block as indicated in Figure 36. Repeat for the right front inner pivot block (48).
  • Page 20 BAG D (Continued) Step D-3 Front Shock Tower Figure 38 1. Insert a 4-40 x 3/4" cap head screw (130) on either side of the shock tower (52) through the middle hole on the top of the shock tower. Secure the screws to the tower by threading a 4-40 zinc nut (182) over each screw and tightening.
  • Page 21 BAG D (Continued) MIP CVD TABLE MIP CVD KIT FRONT XXX-4 PART # NAME PART # NAME 114A Coupling 114F Bearing Spacer *NOTE: See Table 40 for part numbers and name of all items 114B Solid Pin 114G Roll Pin referred to in the MIP CVD kit for the front of the XXX-4.
  • Page 22 BAG D (Continued) Step D-7 Spindle To Spindle Carrier 114E 1. Attach the spindle (16) to the spindle carrier (18) by sliding the CVD bone (114E) through the spindle carrier as illustrated in Figure 43. Line up the holes in the spindle and the spindle carrier. Thread a kingpin screw (140) through the spindle and into the spindle carrier Figure 43 from the top and bottom.
  • Page 23 BAG D (Continued) Step D-10 Turnbuckle - Front Shocktower to Spindle Carrier Figure 46 1. Place a "foam thing" (185) over the ball stud (80) located in the top of the spindle carrier (18). Place a second "foam thing" over the ball stud (107) located in the shocktower (52).

  • Page 24: Bag E

    BAG E Step E-1 Rear Inner Pivot Install Figure 49 1. Install left rear inner pivot block (54) by threading two 4-40 x 3/8" flat head screws (134) through the bottom of the chassis (46) into the pivot block as indicated in Figure 49. Repeat for the right rear inner pivot block (55).
  • Page 25 BAG E (Continued) Step E-3 Rear Shock Tower Figure 51 1. Thread a short head ball stud (107) on each side of the shock tower into the inside hole in the lowest set of holes. 2. Insert a 4-40 x 7/8" cap head screw (133), one on either side of the shock tower (58) into the middle hole in the upper set of holes.
  • Page 26 BAG E (Continued) Step E-5 Rear Hub Assembly 1. Thread a short head ball stud (107) into the inside hole of the Figure 53 rear hub (23) as indicated in Figure 53. 2. Insert a 3/16" x 3/8" bearing (116) with the teflon seal facing out, into the back-side of the hub carrier(23).
  • Page 27 BAG E (Continued) Step E-7 CVD Dogbone/Axle to Rear Hub 113F 113F 1. Slide the CVD through the 3/16" x 3/8" bearing (116) from the backside of the hub (23) until the shoulder of the axle (113D) stops at 113D the bearing.
  • Page 28 BAG E (Continued) Step E-10 Turnbuckle - Rear Shock tower to Figure 59 Rear hub 1. Place a "foam thing" (185) over the ball stud (107) in the rear hub (23). Place a second "foam thing" over the ball stud in the rear shock tower (58).

  • Page 29: Bag F

    BAG F Step F-1 Cartrige Assembly: 1. Place one shock O-ring (73) into the cartridge body (5), making sure that the O-ring sits flat in the bottom of the cartridge body. 2. Insert the cartridge spacer (7) into the cartridge body followed by a second O-ring.
  • Page 30 BAG F (Continued) Step F-4 Shock Fluid Figure 64 1. Match the short, front shock bodies (84) to the short front shafts (79), and the long, rear shock bodies (85) to the long rear shafts (83). 2. Fill the front shock body (84) with 30wt.shock fluid (189) up to the bottom of the threads inside the shock body.
  • Page 31 BAG F (Continued) Step F-6 Rear Shock Install Figure 66 1. Position the bottom of an assembled rear shock in front of the shock mounting area on the left rear suspension arm (12) as shown in Figure 66. Align the hole in the shock mount ball (78) with the inside hole in the arm.

  • Page 32: Bag G

    4. The tires should now be glued to the wheels. This can be done by using a fast-curing superglue or cyanoacrylate glue available at your local hobby shop. Allow the glue to dry thoroughly before continuing. Team Losi Tread Lock Tire Glue (A-7880 "Thick", A-7881 "Thin") is the best glue available for gluing R/C car tires.

  • Page 33: Bag H

    BAG H Step H-1 Front Bumper Install Figure 69 1. Holding the car upside-down install the front bumper (59) by lining up the holes in the fork of the front bumper with the holes in the chassis (46). It should rest on the front diff cover (62). Secure the front bumper by threading two 4-40 x 1/4"...
  • Page 34 BAG H (Continued) Step H-3 Motor Plate Install Figure 71 1. Place the motor mount (93) against the motor (not included) so that the shaft on the motor is centered in the large hole in the motor plate and the flat surface of the motor plate rests against the motor. Align the holes in the motor mount with the holes in the motor as indicated in Figure 71.
  • Page 35 BAG H (Continued) Step H-5 Battery Strap Install The battery strap can be mounted in one of two ways to accommodate different styles of batteries. If you will be running matched-type cells, or individual cells laid out side-by-side, the TL logo should be facing away from the top of the chassis as shown in Figure 73 "B".

  • Page 36: Body Mounting

    BAG H (Continued) Step H-7 Gear Cover Installation Figure 75B Figure 75A 1. Locate the gear cover (191) and cut the bottom side of it along the trim line as shown in gray in Figure 75B. Drill three 1/8" mounting holes in the gear cover at the three locations marked with dimples.

  • Page 37: Wing Installation

    BAG H (Continued) Step H-9 Wing Installation 1. Make two 3/16" diameter holes in the wing (192) where the dimples are located. 2. Align the holes in the rear wing with the wing mounts on the rear shock tower. 3. Secure the wing to the wing mounts by first placing a wing washer (67) over the mount ontop of the wing and then inserting a body clip (124) in each hole.

  • Page 38: Checklist Before Your First Run

    This also reflects on the "balance" we referred to earlier. Never make more than one change at a time. If the change you made works adversely or doesn't address your need return to the stock position and try something else. Team Losi's development team has put hundreds of hours on the XXX-4 to arrive at the set-up we put in the instruction manual.
  • Page 39 Front End: Shock Location: Leaning the shocks in (mounting them closer to the center of the tower) will give a smoother transition as you enter into turns and improve consistency but will yield less total steering and give a slower reaction. This might be helpful on high bite surfaces.
  • Page 40 We are sure that you will find the XXX-4 Buggy to be the most versatile and easiest car to drive fast with great consistency. We at Team Losi hope this information helps you to enjoy your XXX-4 Buggy and racing as much as we do. For the latest in setup and accessory parts information, visit the Team Losi website at: www.TeamLosi.com and go to the "Meet the Team"...

  • Page 41: Spare Parts List

    SPARE PARTS LIST KEY # KIT/PART DESCRIPTION PART NO. SPARE PARTS DESCRIPTION SHOCK COLLAR A-5023 Spring Clamps & Cups SHOCK END A-5023 Spring Clamps & Cups SHOCK CUP A-5023 Spring Clamps & Cups ROD-ENDS ADJUSTABLE/30 A-6005 H.D. 30 Degree Plastic Rod Ends SHOCK CARTRIDGE BODY/SNAP A-5015 Double O-Ring Shock Cartridge...
  • Page 42 SPARE PARTS LIST KEY # KIT/PART DESCRIPTION PART NO. SPARE PARTS DESCRIPTION REAR SHOCK TOWER A-2205 Rear Shock Tower XXX-4 FRONT BUMPER A-4219 Front & Rear Bumper Set XXX-4 REAR BUMPER A-4219 Front & Rear Bumper Set XXX-4 BOTTOM CHASSIS COVER A-4210 Bottom Chassis cover XXX-4 FRONT DIFF COVER...
  • Page 43 SPARE PARTS LIST KEY # KIT/PART DESCRIPTION PART NO. SPARE PARTS DESCRIPTION CVD KIT FRONT A-9968 CVD Set-Front XXX-4 114J 8-32 Locknut A-6310 8-32 Aluminum Locknuts E-CLIP, 1/8" A-6100 1/8" E-Clips 3/16 X 3/8 BEARING A-6903 3/16 X 3/8 Bearings w/Seals BEARING,5M X 8M X 2.5M A-6907 5 X 8mm Ball Bearings...
  • Page 44 SPARE PARTS LIST KEY # KIT/PART DESCRIPTION PART NO. SPARE PARTS DESCRIPTION SILICONE SHOCK FLUID A-5224 Silicone Shock Oil, 30Wt, 2oz. GEAR COVER A-4209 Gear Cover & Screws BODY & WING, A-8046 XXX-4 Invader Body &Wing W/Masks SLIPPER WRENCH A-3264 Slipper Rebuild Kit XXX-4 HINGE PIN RETAINER, A-1234...

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