Xray T4 Instruction Manual
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Xray T4 Instruction Manual

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  • Page 2: Before You Start

    If for some reason you decide The T4 is not what you wanted If you do not fulfill these requirements, please return the kit in unused and or expected, do not continue any further.

  • Page 3: Warranty

    Therefore we ask you, if at all possible, to purchase • For the best performance, it is very important that great care is taken to ensure XRAY products at your hobby dealer and give them your support like we do. If the free movement of all parts.

  • Page 4: Symbols Used

    To ensure that you always have access to the most XRAY offers wide range of optional Graphite Grease SAMPLE OF Oil 350cSt (#359235) up-to-date version of the XRAY Set-up Book, XRAY tuning parts which are listed in a table (HUDY #106210) OPTIONAL PARTS Oil 700cSt (#359270) will now be offering only the digital online version like this.

  • Page 5: Chassis Preparation

    COLOR INDICATIONS STYLE A - indicates parts that are included in the bag marked for the section. At the beginning of each section is an exploded view of the parts to be assembled. There is also a list of all the parts and part numbers that are related to the assembly of that section. STYLE B - indicates parts that are included in the box.
  • Page 6 WASHER S 5x15x0.3 (10) 30 5003 ALU BALL DIFFERENTIAL 34T + 38T PULLEY (OPTION) 97 1240 SILICONE O-RING 24x0.7 (10) 30 5105 XRAY MULTI-DIFF T3/T4 LiPo (OPTION) 97 2050 SILICONE O-RING 5x2 (10) 30 5135 COMPOSITE SOLID AXLE DRIVESHAFT ADAPTERS (2) 98 1210 PIN 2x10 (10) ➍...
  • Page 7 1. GEAR DIFFERENTIAL & FRONT SOLID AXLE 964031 S 3.5x10x0.2 Fill differential up to the top of the diff pin. DO NOT fill the diff to the top of the housing. TO ENSuRE YOu hAvE ThE SAME AMOuNT OF OIL FROM REbuILD TO REbuILD, DO ThE FOLLOWING: #107865 HUDY Ultimate Digital Pocket 7.90g...
  • Page 8 BEARING OIL (HUDY #106230) 902310 SH M3x10 941015 BB 10x15x4 FRONT & REAR AxLES #304900 GEAR DIFFERENTIAL #305003 ALU DIFF 34T + 38T PULLEY #305105 XRAY ALU MULTI-DIFF™ #305188 COMPOSITE SOLID AXLE 38T PULLEY CUTAWAY VIEW FRONT & REAR AxLES...
  • Page 9 303028-O 301134 305432 903306 903310 903306 30 2030-O T4 ALU UPPER CLAMP WITH ADJ. ROLL-CENTER (L+R) - ORANGE 90 2304 HEX SCREW SH M3x4 - STAINLESS (10) 30 2062 T4 COMPOSITE ADJUSTMENT BALL-BEARING HUB (4) 90 2306 HEX SCREW SH M3x6 (10) 30 2085 T4 SHOCK TOWER FRONT 3.0MM GRAPHITE...
  • Page 10 OFFSET SPUR GEAR 78T / 48P NOTE ORIENTATION #305781 OFFSET SPUR GEAR 81T / 48P #305866 OFFSET SPUR GEAR 96T / 64P Only when using XRAY #305784 SPUR GEAR 84T / 48P #305870 OFFSET SPUR GEAR 100T / 64P OFFSET spur gears.

  • Page 11: Initial Position

    2. CENTRAL TRANSMISSION REAR bELT TENSION ADJuSTMENT FRONT bELT TENSION ADJuSTMENT Front diff upper position provides more steering but provides less Front diff low position provides more front traction but Rear diff upper position provides more on-power steering but makes Rear diff lower position provides more rear traction, mainly on power front traction.

  • Page 12: Front & Rear Suspension

    30 2047-O T3 ALU LOWER FRONT SUSPENSION 1-PIECE HOLDER - ORANGE - V2 30 3167 REAR SUSPENSION ARM - GRAPHITE - 1-HOLE (OPTION) 30 2049-O T4 ALU LOWER SUSPENSION HOLDER - ORANGE 30 7215 T2 FRONT SUSPENSION PIVOT PIN (2)
  • Page 13 3. FRONT & REAR SUSPENSION OPTIONAL: OPTIONAL FINE ROLL-CENTER ADJuSTMENT #302049-O - T4 Alu lower suspension holder - Orange. Optional shims may be used for raising roll center. For more steering on asphalt, we recommend using the Use 3x7 shims with thicknesses between 0.1–0.5mm optional alu separate suspension holders.
  • Page 14 3. FRONT & REAR SUSPENSION It is extremely important that the arms move freely DETAIL STEEL SHIM on the pivot pins. If they do not, use the #107633 3x7.5x0.75mm HUDY Arm Reamer to slightly resize the holes in 303129 the arms. SHIM 3x6x1 303129 3x14mm...
  • Page 15 ALU STEERING POST FOR DUAL SERVO SAVER (2) 37 2503 COMPOSITE SERVO SAVER - X-STIFF - SET - V2 30 2546-O T4 ALU STEERING PLATE 8MM FOR DUAL SERVO SAVER - ORANGE 30 2612 ALU ADJ. TURNBUCKLE M3 L/R 39 MM - SWISS 7075 T6 (2)

  • Page 16: Initial Setting

    4. STEERING 3x6x2 3x6x2 8 mm thread 303129 SHIM 3x6x2 INITIAL SETTING 10 mm thread 3x6x6 303128-K SHIM 3x6x6 H = Hitec F = Futaba, Robe K = KO, JR, Airtronics, Sanwa 902305 SH M3x5 903306 SFH M3x6 902306 SH M3x6 ACKERMANN ADJuSTMENT STEERINg THROw SYMMETRY CHASSIS FLEx SETTINg...
  • Page 17 COMPOSITE C-HUB LEFT - 4° DEG. - HARD (OPTION) 30 5328 ALU DRIVE SHAFT SWISS 7075 T6 - HARDCOATED - 50MM 30 2494 T4 ANTI-ROLL BAR FRONT 1.4 MM 30 5341 DRIVE AXLE - LIGHTWEIGHT - HUDY SPRING STEEL™ 30 2652 BALL END 4.9MM WITH THREAD 4MM (2)
  • Page 18 5. FRONT & REAR TRANSMISSION 0° OUTBOARD TOE-IN UPRIGHTS 902205 uPRIgHTS SH M2x5 LEFT UPRIGHT = RIGHT UPRIGHT #303351 1° - R - MEDIuM - 2-HOLE BEARING OIL #303352 0° - R/L - MEDIuM - 2-HOLE (HUDY #106230) #303353 1° - R - HARD - 2-HOLE #303354 0°...
  • Page 19 5. FRONT & REAR TRANSMISSION LEFT UPRIGHT = RIGHT UPRIGHT REAR ALU UPPER CLAMP INITIAL POSITION 303123-K SHIM 3x6x2 303127-K 4 mm thread SHIM 3x6x4 ALU SHIM 3x6x2mm 901304 10 mm thread SB M3x4 ALU SHIM 3x6x4mm INITIAL POSITION Use inner hole 1-hOLE REAR uPRIGhTS - OPTIONAL An optional 1-hole rear upright is TIGHTEN GENTLY...
  • Page 20 5. FRONT & REAR TRANSMISSION INITIAL POSITION 303129 SHIM 3x6x1 FREE MOVEMENT FREE MOVEMENT ACKERMANN ADJuSTMENT 307455 RECOMMENDED buMPSTEER SETTINGS: PB 5mm Carpet - 1mm thick shim Asphalt - 4mm thick shims (longer screw must be used) The number of shims changes the angles of the steering linkage.

  • Page 21: Rear Anti-Roll Bar

    5. FRONT & REAR TRANSMISSION REAR ANTI-ROLL bAR Wire should be flush with end of pivot ball. 901303 3x3mm 3x3mm SB M3x3 901304 SB M3x4 3x10mm 902310 SH M3x10 3x4mm INITIAL POSITION IMPORTANT! Only tighten enough to remove excessive free play; anti-roll bar must move freely.

  • Page 22: Shock Absorbers

    ALU CAP FOR XRAY SHOCK BODY - ORANGE 30 8333 T4 COMPOSITE SHOCK PARTS FOR ALU SHOCKS 30 8353-O T4 ALU SHOCK CAP-NUT WITH VENT HOLE - ORANGE (2) 30 8364 T4 HARDENED SHOCK SHAFT FOR ALU SHOCKS (2) 965023 C 2.3...
  • Page 23 6. SHOCK ABSORBERS SHOCK OIL NOTE 972030 ORIENTATION O 3x2 SHOCK OIL SHOCK OIL SHOCK OIL CUTAWAY VIEW ➊ ➋ 970130 O 13x1.5 SHOCK OIL Be careful not to cross-thread the collar on the shock body. DETAIL INCORRECT CORRECT HINT: Pre-thread the ball joint using an M3 screw. WARNING! Be careful not to pre-thread too far, since the ball joint may split or the plastic threads may strip out.

  • Page 24: Rebound Adjustment

    6. SHOCK ABSORBERS REbOuND ADJuSTMENT REbOuND ChECK TIGHTEN RELEASE FULLY 2-3 turns ➊ ➋ ➌ 100% Rebound Check After the shock is assembled you have to set the shock rebound. ➊ Release the shock cap by 2-3 turns. It is very important to push the shock shaft into the shock body slowly otherwise air can come into the shock body which would create bubles.

  • Page 25: Front & Rear Assembly

    T4 COMPOSITE BRACE FOR BUMPER - LOW (2) 30 1224 T4 FOAM BUMPER 90 2306 HEX SCREW SH M3x6 (10) 90 3308 HEX SCREW SFH M3x8 (10) 30 8307-O XRAY T4 ALU SHOCK ABSORBER-SET - ORANGE (2) 903308 SFH M3x8 903310 SFH M3x10 960030 N M3x10...
  • Page 26 7. FRONT & REAR ASSEMBLY 903308 SFH M3x8 981212 P 2x12 INITIAL POSITION INITIAL POSITION 902306 SH M3x6 308019 Set of Shock Shims & Nuts FRONT SHOCK C2.7 SPRING To make the car more stable and easier to drive, move the front shocks forward. Stability increases mainly in chicanes.

  • Page 27: Rear Shock

    98 1212 PIN 2x12 (10) 30 1332 REAR BODY MOUNT SET 90 2306 HEX SCREW SH M3x6 (10) 30 8307-O XRAY T4 ALU SHOCK ABSORBER-SET - ORANGE (2) 90 2308 HEX SCREW SH M3x8 (10) 902308 SH M3x8 INITIAL POSITION...

  • Page 28: Final Assembly

    30 6219 COMPOSITE SET OF SERVO SHIMS (4) 306310 ANTENNA (2) 30 6301 ANTENNA MOUNT - THIN 30 6230 T4 GRAPHITE SERVO HOLDER 2.5MM 30 9402 BODY CLIP FOR 6MM BODY POST (4) DETAIL 306219 SHIM 3x6x1 306219 SHIM 3x6x2...
  • Page 29 7. FINAL ASSEMBLY For improved weight balance and for more space for DETAIL electronics, we recommend using a narrow, light servo. 903306 DETAIL SFH M3x6 90° Attach servo arm to servo output shaft using screw from servo. Servo saver must be perpendicular to chassis when servo is in neutral.
  • Page 30 7. FINAL ASSEMBLY 903305 SFH M3x5 903306 SFH M3x6 3x6mm 3x5mm 3x6mm WHEELS & TIRES & INSERTS WARNING! (NOT INCLUDED) Follow the adhesive manufacturer's instructions for proper use and safety. Wear proper eye and hand protection. LIPO BATTERY PACK Make sure the wheel nuts are (NOT INCLUDED) very tight, so the wheels do not loosen during racing.

  • Page 31: Set -Up Sheet

    ONE WAY DIFFERENTIAL GEAR DIFFERENTIAL GEAR DIFFERENTIAL PINION / T SPUR GEAR / T FINAL DRIVE RATIO ROLLOUT =3.5º FRONT REAR =3º XRAY SPRINGS =2.5º =2º OIL / CST LENGTH /mm PRELOAD /mm REBOUND % FOAM INSERTS O-RING ON SHAFT PISTONS OTHERS...
  • Page 32 RC AMERICA, 2970 BLYSTONE LANE, SUITE 109, DALLAS, 75220 TEXAS, USA PHONE: 214-744-2400, FAX: 214-744-2401, xray@rcamerica.com www.facebook.com/teamxray www.twitter.com/teamxray www.youtube.com/xrayracing Tube...

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