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Xray T4'21 Instruction Manual
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Xray T4'21 Instruction Manual

1/10 luxury electric touring car
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Summary of Contents for Xray T4'21

  • Page 2 Fax: (214) 744-2401 of our customers. E-mail: info@teamxray.com E-mail: xray@rcamerica.com You can join thousands of XRAY fans and enthusiasts in our online community at: www.teamxray.com FAILURE TO FOLLOW THESE INSTRUCTIONS WILL BE CONSIDERED AS ABUSE AND/OR NEGLECT. SAFETY PRECAUTIONS Contains: reference, even after completing the assembly.
  • Page 3 Therefore we ask you, if at all possible, to purchase • For the best performance, it is very important that great care is taken to XRAY products at your hobby dealer and give them your support like we do. ensure the free movement of all parts.
  • Page 4 TOOLS REQUIRED Allen 1.5mm (#111545 - HUDY EXCLUSIVE Limited Edition) Combination Pliers (HUDY #189020) Allen 2.0mm (#112045- HUDY EXCLUSIVE Limited Edition) Allen 3.0mm (#113045- HUDY EXCLUSIVE Limited Edition) Side Cutters (HUDY #189010) Arm Reamer 3.0mm (#107643 - HUDY EXCLUSIVE Limited Edition) Socket 5.5mm (#175535 - HUDY EXCLUSIVE Limited Edition) Pocket Hobby Knife (HUDY #188981) Socket 7.0mm (#177035 - HUDY EXCLUSIVE Limited Edition)
  • Page 5 NOT INCLUDED XRAY offers wide range of optional tuning parts Alexander Hagberg (Factory Driver) SAMPLE OF OPTIONAL PARTS which are listed in a table like this. Please refer #30XXXX TYPE1 OPTION 1 When a QR CODE is found in the instruction manual,...
  • Page 6 #305136 STEEL LIGHTWEIGHT SOLID AXLE DRIVESHAFT HUDY SPRING STEEL™ OUTDRIVES ALU SOLID DRIVESHAFT ADAPTERS ADAPTERS HUDY SPRING STEEL™ 304900 XRAY GEAR DIFFERENTIAL - SET 902310 HEX SCREW SH M3x10 (10) 304910 COMPOSITE GEAR DIFF. CASE & COVER 903256 HEX SCREW SFH M2.5x6 (10) 304930 COMPOSITE GEAR DIFF BEVEL &...
  • Page 7 1. GEAR DIFFERENTIAL & FRONT SOLID AXLE #304932 GRAPHITE GEAR DIFF BEVEL & INITIAL SETTING SATELLITE GEARS (2+4) 5.000cSt 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...
  • Page 8 1. GEAR DIFFERENTIAL & FRONT SOLID AXLE DETAIL 903256 SFH M2.5x6 ➊ ➌ ➍ ➋ NOTE ORIENTATION Finish tightening in this order. Tighten the screws equally but do NOT tighten them completely. BEARING OIL (HUDY #106230) 941015 BB 10x15x4 FRONT SOLID AXLE #305136 ALU SOLID DRIVESHAFT ADAPTERS 902310...
  • Page 9 303759 ALU MOTOR MOUNT 970050 O-RING 5x1 (10) 303764 ALU CHASSIS BRACE - 7075 T6 304900 XRAY GEAR DIFFERENTIAL - SET 305435 HIGH-PERFORMANCE DRIVE BELT 3x351MM 305188 COMPOSITE SOLID AXLE 38T - SET 305523 ALU SOLID LAYSHAFT WITH BEARINGS 305578...
  • Page 10 2. CENTRAL TRANSMISSION 903305 DETAIL SFH M3x5 NOTE ORIENTATION NOTE ORIENTATION DETAIL #183001 HUDY PROFESSIONAL BULKHEAD ALIGNMENT TOOL 17MM To align the bulkheads straight, we suggest using the HUDY Professional Bulkhead Alignment tool. See page 13 SOLID AXLE VIDEO TECH TIP ▶...
  • Page 11 2. CENTRAL TRANSMISSION FRONT BELT TENSION ADJUSTMENT REAR BELT TENSION ADJUSTMENT Front solid axle UPPER position - tab in bottom Front solid axle LOWER position - tab in top Rear diff UPPER position - tab in bottom notch - Rear diff LOWER position - tab in top notch - provides notch - provides more steering, but less front notch - provides more front traction, but provides more on-power steering, but makes the...
  • Page 12 2. CENTRAL TRANSMISSION 902305 SH M3x5 BEARING OIL (HUDY #106230) VIDEO TECH TIP ▶ 902308 SH M3x8 0.1mm 930407 BB 4x7x2.5 BELT TENSIONER 3x5mm 3x8mm 962042 S 4x6x0.1 903305 SFH M3x5 MOTOR MOUNT FLEX ADJUSTMENT The motor mount is part of the chassis flex adjustment. By adding and removing the screws from the motor mount you get different flex possibilities for different tracks and traction conditions. NOTE: By removing screws from the motor mount, the spur gear becomes more susceptible to breakage in crashes.
  • Page 13 2. CENTRAL TRANSMISSION DO NOT TIGHTEN FULLY DO NOT TIGHTEN FULLY 902306 SH M3x6 902306 SH M3x6 DO NOT TIGHTEN FULLY DO NOT TIGHTEN FULLY FINISH TIGHTENING IN THIS ORDER. FINISH TIGHTENING IN THIS ORDER. Bulkhead screws (4) FULLY TIGHTEN Shock tower screws (4) FULLY TIGHTEN Bulkhead screws (4)
  • Page 14 2. CENTRAL TRANSMISSION DETAIL 303120 NOTE ORIENTATION SHIM 3x6x0.5 Do not use shims for CHANNEL 0.5mm initial setting 0.5mm 0.5mm SHIM 0.5mm SHIM 903304 SFH M3x4 903305 SFH M3x5 903306 SFH M3x6 3x5mm Do not use 3x6mm screws for 3x4mm initial setting 3x5mm CHASSIS FLEX ADJUSTMENT...
  • Page 15 3. FRONT & REAR SUSPENSION #303731 ALU LOWER 2-PIECE SUSPENSION 0.25 ECCENTRIC HOLDER STAND #307217 TITANIUM SUSPENSION PIVOT PIN (2) 362315 303173-G 307216 303723 901408 303129 303129 362315 901308 303732 303174-G 903306 302173-G 362315 FRONT ARMS - LONG 302723 #302173-H HARD RIGHT OPTION 303129 302713...
  • Page 16 Do not use INNER positions. Available positions The XRAY rear alu lower suspension holders provide even greater range of adjustment for the rear suspension. Using different combinations of eccentric bushings, fine adjustment of rear squat, rear toe-in, rear roll center, and rear track-width can be obtained.
  • Page 17 Outer position = 1mm or 1° from center The XRAY front alu lower suspension holders provide even greater range of adjustment for the front suspension. Using different combinations of eccentric bushings, fine adjustment of front anti-squat, front kick-up, front toe-in, front roll center, and front track-width can be obtained. For more information about the influence of front anti-dive, front kick-up, front toe-in, front...
  • Page 18 4. STEERING #301063 T4’21 GRAPHITE UPPER DECK 1.6MM 902306 #302547 902306 ALU STEERING PLATE 8.5MM FOR DUAL SERVO SAVER - ORANGE 301172 930306 902306 301062 303129 303454 362652 372503 303210 362652 372503 372503 303126 902305 302544 940508 302526 #302590 ALU DUAL SERVO SAVER SCREW M3x7 (2) 940508 302537 302548...
  • Page 19 4. STEERING NOTE ORIENTATION Long side = Ball joint open SERVO LINK Adjust servo link to fit your servo STEERING LINKS #302610 #302612-O ADJ. TURNBUCKLE L/R 40mm ALU ADJ. TURNBUCKLE M3 THREAD HUDY SPRING STEEL (2) THREAD L/R 39mm ORANGE - SWISS 7075 T6 (2) THREAD THREAD...
  • Page 20 4. STEERING 303129 SHIM 3x6x2 H = (24T) F = (25T) 303126 K = (23T) 10mm SHIM 3x6x5 THREAD 10mm THREAD VIDEO TECH TIP INITIAL SETTING ▶ When using optional #302525-K #302525 3x6x2mm aluminum steering arms, we suggest using 3x7.5x1.5mm optional shims.
  • Page 21 4. STEERING TOP DECK FLEX SETTINGS The new feature of the top deck is the flex setting adjustment. 902306 There are three different flex setting alternatives. SH M3x6 SOFT MEDIUM STIFF (INITIAL SETTING) 930306 BB 3x6x2.5 VIDEO TECH TIP ▶ No bushing or bearing is used.
  • Page 22 5. FRONT & REAR TRANSMISSION 901304 STEERING BLOCKS DRIVE SHAFTS 930306 303455 #302252 MEDIUM OPTION #305323 50mm STEEL 303803 901302 362648 #302253 HARD INCLUDED #305324 52mm STEEL #302254 GRAPHITE OPTION 303433 #305326 52mm ALU 303457 #305332 52mm ECS #305333 50mm ECS 303455 362648 901302...
  • Page 23 5. FRONT & REAR TRANSMISSION REAR TRANSMISSION FRONT TRANSMISSION 901302 THREAD LOCK SB M3x2.5 DO NOT OVERTIGHTEN THREAD LOCK 305392 GRAPHITE GREASE P 2x10 (HUDY #106210) GRAPHITE GREASE (HUDY #106210) 305394 2x10mm P 2x9 2x9mm DETAIL STEP Set-screw against the flat spot. Set-screw against the flat spot.
  • Page 24 OPTION #302253 HARD INCLUDED #302254 GRAPHITE OPTION The NEW FEATURE of the T4'21 car is the body upstops system. NOTE: Before mounting the steering block, use the hobby knife to remove the excessive composite CA Glue 309319 901305 material from the inside window of the c-hub.
  • Page 25 5. FRONT & REAR TRANSMISSION REAR SUSPENSION Install the pivot balls with Professional Multi Tool (HUDY #183011) The information about the optional Active Rear 303122 Suspension is at the end of the manual. SHIM 3x6x1 LEFT UPRIGHT = RIGHT UPRIGHT 303127 SHIM 3x6x4 5mm THREAD...
  • Page 26 5. FRONT & REAR TRANSMISSION Install the pivot balls with Professional 8mm THREAD Multi Tool (HUDY #183011) FRONT TRANSMISSION INITIAL SETTING FREE MOVEMENT FREE MOVEMENT RECOMMENDED BUMPSTEER SETTINGS: CARPET - none shim ASPHALT - 2mm thick shim CARPET - none shim ASPHALT - 2mm shim The number of shims changes the angles of the steering linkage.
  • Page 27 5. FRONT & REAR TRANSMISSION FRONT ANTI-ROLL BAR DETAIL FRONT ANTI-ROLL BAR 901302 SB M3x2.5 3x4mm 901304 SB M3x4 3x2.5mm 3x4mm 3x2.5mm CENTER DETAIL VIDEO TECH TIP ▶ Set the bar into the center, remove the play in the bushings, and tighten the set-screws fully.
  • Page 28 5. FRONT & REAR TRANSMISSION REAR ANTI-ROLL BAR INITIAL POSITION OUTER INNER ANTI-ROLL BAR POSITION INITIAL SETTING = OUTER BALL Use the OUTER ball on medium-high traction tracks. The car will roll less which will make it easier to drive with more cornering speed.
  • Page 29 308044-K 308334 308316 303241 #308031-O ALU XRAY SHOCK SPRING RETAINING COLLAR - ORANGE (4) #308029 #308031-K ULP ALU PROGRESSIVE SHOCK SYSTEM - SET (2) ALU XRAY SHOCK SPRING RETAINING COLLAR - BLACK (4) Progressive shock system for touring cars for improved traction and steering characteristics.
  • Page 30 6. SHOCK ABSORBERS SHOCK OIL NOTE 972030 ORIENTATION O 3x2 SHOCK OIL SHOCK OIL SHOCK OIL CUTAWAY VIEW DETAIL ➊ ➋ 970131 SHOCK OIL O 13x1.0 Be careful not to cross-thread the collar on the shock body. Install the ball joint with Professional NOTE! Multi Tool (HUDY #183011) Set this distance to...
  • Page 31 SHOCK LENGTH ADJUSTMENT: #308031-O ALU XRAY SHOCK SPRING RETAINING COLLAR - ORANGE (4) It is VERY IMPORTANT that all shocks are equal length. Fully extend the shock absorber and measure the end-to-end length; we recommend using digital calipers to give an accurate measurement. If a shock absorber is shorter or longer than others, adjust the shock length by tightening or loosening the ball joint on the shock rod.
  • Page 32 7. FRONT & REAR ASSEMBLY 902312 REAR BODY MOUNT SET #301336 0mm INCLUDED 301207 #301337 +1mm OPTION 301219 #301338 +2mm OPTION 303129 902310 308308-K 301231 FRONT BODY MOUNT SET #301322 0mm INCLUDED 303129 #301323 +1mm OPTION 902310 #301324 +2mm OPTION FRONT ECC.
  • Page 33 7. FRONT & REAR ASSEMBLY BODY POST ORIENTATION 903308 SFH M3x8 903310 SFH M3x10 960030 N M3 REARWARD CENTER FRONTWARD (INITIAL SETTING) 3x10mm 3x10mm It is important to use the same body setting (rearward, center, frontward) on both front and 3x10mm rear body posts at the same time.
  • Page 34 7. FRONT & REAR ASSEMBLY #301351-O ALU ADJUSTABLE BODY POST STOP (2) 981212 P 2x12 Very handy, easily externally adjustable body post made from Swiss 7075 T6 aluminum. Allows for adjustment of body height by 3mm without needing to change the position on the body post. FRONT ECC.
  • Page 35 7. FRONT & REAR ASSEMBLY BODY POST POSITION 902312 SH M3x12 FRONTWARD CENTER REARWARD (INITIAL SETTING) 981212 P 2x12 It is important to use the same body setting (rearward, center, frontward) both on front and rear body posts at the same time. #301351-O REAR BODY MOUNT SET ALU ADJUSTABLE BODY POST STOP (2)
  • Page 36 Wheels & Tires & Inserts LiPo Battery Pack 960140 (NOT INCLUDED) (NOT INCLUDED) #306165 #306551 GRAPHITE BATTERY STRAP XRAY PURE TUNGSTEN ALU REAR WING SHIM CHASSIS WEIGHT 11g #353561 SILVER XRAY OPTION #293561 SILVER HUDY OPTION #293561-O ORANGE HUDY OPTION...
  • Page 37 7. FINAL ASSEMBLY The information about optional forward servo mount is at the end of manual. 903306 SFH M3x6 From Servo VIDEO TECH TIP ▶ For improved weight balance and for more space for electronics, we recommend using a narrow, light servo. When adjusting steering on the radio, we recommend Attach servo arm to servo output shaft using full steering adjustment in order to get the best...
  • Page 38 Receiver (NOT INCLUDED) Speed Controller (NOT INCLUDED) Double-sided Tape HUDY #107875 (NOT INCLUDED) #306551 XRAY PURE TUNGSTEN CHASSIS WEIGHT 11g 303126 SHIM 3x6x5 903310 SFH M3x10 901305 SB M3x5 To ensure correct functioning of the battery holder, do not overtighten the screw;...
  • Page 39 ▶ #306199 GRAPHITE HOLDER FOR ADJ. BATTERY HOLDER FOR NARROW BATTERIES (2) WEIGHT BALANCE #309862 XRAY STAINLESS STEEL WEIGHT FOR NARROW BATTERY PACK 35G #293082 HUDY PURE TUNGSTEN WEIGHT 10g #293081 HUDY PURE TUNGSTEN WEIGHT 5g Make sure to have a small...
  • Page 40 BODY UPSTOPS ALU REAR WING SHIM #353561 SILVER XRAY OPTION #293561 SILVER HUDY OPTION #293561-O ORANGE HUDY OPTION EXTRA INFORMATION ABOUT OPTIONAL PARTS FOR T4'21 #300902 ACTIVE REAR SUSPENSION™ SET ALU C-HUB ACTIVE REAR SUSP . #302350 0º INCLUDED 302350 #302351 2º...
  • Page 41 OPTION 902205 SH M2x5 940510 BB 5x10x4 BEARING OIL ALU WHEEL HUBS - OFFSET (HUDY #106230) Use Alu 50mm Drive #305350-K (0 mm) INCLUDED 980210 Shafts in rear #305351 (-0.75 mm) P 2x10 BEARING OIL #305352 (+0.75 mm) (HUDY #106230) #305353 (+1.5 mm) #302202...
  • Page 42 The optional ARS aluminum C-hubs were redesigned to work with the new T4'21 rear suspension geometry and are available in 0º | 2º |4º caster. ALU C-HUB ACTIVE REAR SUSPENSION™...
  • Page 43 OPTION FLOATING FORWARD MOUNT SERVO HOLDER 303126 SHIM 3x6x5 Optional floating forward mount servo holder set allows mounting of the servo holder to the chassis more forward which leads to increased steering and steering response. Recommended for conditions where better steering response is needed. Makes the car more reactive but less stable.
  • Page 44 OPTION ULP LOWER SHOCK TOWER FOR LOWER SHOCK MOUNTING – FRONT #301961 ULP GRAPHITE SHOCK TOWER FRONT The new feature of the arms is to mount the shocks lower. To use this option you need to use optional low ULP shock 306219 3.0MM - LOWER towers which allows you to mount shocks 4mm lower to lower the CG.
  • Page 45 NOTE...
  • Page 46 109880 199183 108201 104004 108201 108201 108205 105520 107701 108204 109801 106000 109801 107701 109801 109801 107701 106000 107701 107701 106000 107701 108190 107701 106000 104002 HUDY AIR VAC - VACUUM PUMP - ON-ROAD 108201 FLAT SET-UP BOARD FOR 1 107720 CHASSIS RIDE HEIGHT GAUGE 30-17MM FOR 1/8 &...
  • Page 47 199270 199270 199270 107855 199060 109880 298100 199270 199270 199270 183011 107090 108160 109840 107601 177035 175535 105550 112045 108960 108905 132045 111545 109860 153055 108190 107880 153055 188990 1/10 TOURING CARS 113045 LIMITED EDITION - ALLEN WRENCH # 3.0MM 199060 HUDY ALU TOOL STAND 1/10 TOURING CARS - SILVER GREY...
  • Page 48 RC AMERICA, 2030 Century Center Blvd #15, Irving, TX 75062, USA PHONE: 214-744-2400, FAX: 214-744-2401, xray@rcamerica.com /TeamXray /TeamXray /TeamXray /TeamXrayRC /XrayRacing /XrayRacing...