Xray XB4 2WD Instruction Manual
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Xray XB4 2WD Instruction Manual

Xray XB4 2WD Instruction Manual

1/10 electric 2wd off-road buggy
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  • Page 2: Safety Precautions

    Phone: (800) 519-7221 * (214) 744-2400 many other goodies. We pride ourselves on taking excellent care of our customers. Fax: +421-32-7401109 Fax: (214) 744-2401 You can join thousands of XRAY fans and enthusiasts in our online community at: Email: info@teamxray.com Email: xray@rcamerica.com www.teamxray.com Failure to follow these instructions will be considered as abuse and/or neglect.
  • 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 ensure XRAY products at your hobby dealer and give them your support like we do. If the free movement of all parts.

  • Page 4: Table Of Contents

    Socket 7.0mm Allen 2.0mm EQUIPMENT INCLUDED NOT INCLUDED To ensure that you always have access XRAY offers wide range of optional XRAY Premium Silicone Oils Graphite Grease SAMPLE OF to the most up-to-date version of the tuning parts which are listed in a...
  • Page 5 STYLE C - indicates parts that are already assembled from previous steps. the different colors mean: XB4 2WD TECH TIPS FRONT & REAR DIFF GEAR MESH ADJUSTMENT We suggest that you first check gear mesh as below. If there is too much or too little diff side play, this may create non-optimal gear mesh between the diff gear and the pinion drive gear. This is easily resolved by inserting 1 or 2 of the included thin shims behind a diff outdrive ball-bearing, depending on how much play there is.
  • Page 6 1. REAR DIFFERENTIAL 941015 981210 964031 972050 304930 364960 304980 364910 964050 964050 304930 304990 981210 972050 964031 941015 364935 903258 #365000 Ball Differential (OPTION) 364960 30 4930 COMPOSITE GEAR DIFF BEVEL & SATELLITE GEARS (2+4) 90 3258 HEX SCREW SFH M2.5x8 (10) 30 4980 COMPOSITE GEAR DIFF CROSS PIN 94 1015...

  • Page 7: Steering

    REAR DIFFERENTIAL Rear diff 2000cSt Silicone oil Fill just above the 964031 satellite gears. 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 Scale 300g±0.01g...
  • Page 8 2. REAR CENTRAL TRANSMISSION IMPORTANT REAR BLOCK 363080 902310 365420 980210 362001 365470 365230 365440 940510 365114 364900 940815 902306 362001 902310 36 2001 DIFF BULKHEAD BLOCK SET REAR 90 2310 HEX SCREW SH M3x10 (10) 36 3080 GRAPHITE SHOCK TOWER REAR 3.0MM 94 0510 HIGH-SPEED BALL-BEARING 5x10x4 RUBBER SEALED (2) 36 5114...

  • Page 9: Rear Suspension

    REAR CENTRAL TRANSMISSION DETAIL When inserting the gear on axle, make sure that flat 902306 spot of the gear sits on flat spot of the axle. SH M3x6 NOTE ORIENTATION ➍ 940510 BB 5x10x4 ➊ NOTE ORIENTATION IMPORTANT REAR BLOCK THREAD LOCK 940815 ➋...
  • Page 10 2. FRONT CENTRAL TRANSMISSION IMPORTANT FRONT BLOCK 362000 902310 362000 362080 902310 36 2000 DIFF BULKHEAD BLOCK SET FRONT 36 2080 GRAPHITE SHOCK TOWER FRONT 3.0MM 90 2310 HEX SCREW SH M3x10 (10) 902310 SH M3x10 NOTE ORIENTATION Follow the TECH TIP on page 5 to protect graphite parts 902310 SH M3x10...

  • Page 11: Rear Suspension

    3. REAR SUSPENSION 903312 363121 363321 362315 367210 901304 303123-K 902308 362315 362001 363111 363311 903312 ANTI-ROLL BARS #362470 1.0mm (OPTION) #362471 1.1mm (OPTION) #362472 1.2mm (STANDARD) 901303 #362473 1.3mm (OPTION) 303431-K #362474 1.4mm (OPTION) #362476 1.6mm (OPTION) 303454 #362478 1.8mm (OPTION) #362480 2.0mm (OPTION) 901308 303454...

  • Page 12: Rear Suspension

    Outer position = 1° or 0.75mm from center. The XRAY rear alu lower suspension holders provide great range of adjustment for the rear suspension. Using different combinations of eccentric bushings, fine adjustment of rear anti-squat, rear toe-in, rear roll center, and rear track-width can be obtained. For more information about the influence of rear anti-squat, rear toe-in, rear roll center and rear track width on car handling, please refer to HUDY Set-up Book (#209100).

  • Page 13: Rear Suspension

    REAR SUSPENSION Do not use anti-roll bars for basic setting. The anti-roll bar is recommend to use only under super high IMPORTANT track traction conditions or ASTRO surface! 901308 ASSEMBLY VIEW SB M3x8 1.5mm STEP DETAIL ➌ 901303 SB M3x3 901304 SB M3x4 902308...

  • Page 14: Front Suspension

    3. FRONT SUSPENSION 903312 362315 362320 367210 303123-K 362315 903312 362310 902308 361200 362111 901303 362000 303454 901304 ANTI-ROLL BARS 902308 #362470 1.0mm (OPTION) 901308 #362471 1.1mm (OPTION) 303431-K #362472 1.2mm (STANDARD) 303454 #362473 1.3mm (OPTION) #362474 1.4mm (OPTION) #362476 1.6mm (OPTION) #362478 1.8mm (OPTION) #362480 2.0mm (OPTION) OPTIONAL...

  • Page 15: Front Suspension

    Outer position = 1° or 0.75mm from center. The XRAY alu front lower suspension holders provide great range of adjustment for the front suspension. Using different combinations of eccentric bushings, fine adjustment of front kick-up, roll-center, and front track-width can be obtained. For more information about the influence of kick-up, front track-width, and roll centers on car handling, please refer to HUDY Set-up Book (#209100).

  • Page 16: Front Suspension

    FRONT SUSPENSION 902308 SH M3x8 Do not use anti-roll bars for basic setting. The anti-roll bar is recommend to use only under super high IMPORTANT grip conditions or ASTRO surface! ASSEMBLY VIEW 901308 1.5mm SB M3x8 STEP DETAIL ➌ 901303 SB M3x3 901304 SB M3x4...

  • Page 17: Rear Suspension

    4. REAR TRANSMISSION 363520 365320 980210 363350 365470 365230 365340 902205 902310 940510 302665 363111 940512 363121 365350 362650 362651 367320 901306 960030 362610 302665 36 5351 ALU WHEEL HUB 14MM - OFFSET “-0.75MM” (2) (OPTION) 30 2665 COMPOSITE BALL JOINT 4.9MM - CLOSED WITH HOLE (4) 36 5352 ALU WHEEL HUB 14MM - OFFSET “+0.75MM”...

  • Page 18: Rear Transmission

    REAR TRANSMISSION IMPORTANT! When using OUTSIDE position on the hub, The outside hole offers great stability and is 901306 use only outside position on the arm. recommended for bumpy open tracks. Check for free SB M3x6 movement When using INSIDE position on the hub, Inside hole offers great amount of steering use only inside position on the arm.

  • Page 19: Front Transmission

    4. FRONT TRANSMISSION 302665 362610 362651 362652 960030 902312 362651 980210 362211 362280 365242 940510 940512 362221 902205 964054 362290 901306 362291 902314 365350 362250 367220 30 2665 COMPOSITE BALL JOINT 4.9MM - CLOSED WITH HOLE (4) 36 5352 ALU WHEEL HUB 14MM - OFFSET “+0.75MM” (2) (OPTION) 36 2211 COMPOSITE C-HUB 6°...

  • Page 20: Front Transmission

    FRONT TRANSMISSION Check for free movement 901306 SB M3x6 DO NOT OVERTIGHTEN ➋ 20mm (HUDY #107633) ARM REAMER If the C-hub does not move freely, use a HUDY Arm Reamer to NOTE resize the hole. ORIENTATION ➊ RIGHT THREAD 35.5 mm 10mm THREAD THREAD...
  • Page 21 4. FRONT & REAR ASSEMBLY 902316 361261 902314 361101 903310 903310 902314 90 2314 HEX SCREW SH M3x14 (10) 36 1101 ALU CHASSIS - SWISS 7075 T6 (2MM) - 2WD 90 2316 HEX SCREW SH M3x16 (10) 36 1261 COMPOSITE CHASSIS FRAME SPLITED 90 3310 HEX SCREW SFH M3x10 (10) 903310...
  • Page 22 FRONT & REAR ASSEMBLY 3x16 902314 SH M3x14 902316 SH M3x16 DETAIL 903310 SFH M3x10 902314 SH M3x14 903310 SFH M3x10...

  • Page 23: Steering

    5. STEERING 940508 302665 362290 362572 362510 362610 303127-K 940508 902308 362280 302665 362540 362652 302665 362290 361321 362610 362510 362510 302665 902308 902308 902308 332561 361390 940508 306219 332540 970100 362550 303120 903310 03310 30 2665 COMPOSITE BALL JOINT 4.9MM - CLOSED WITH HOLE (4) 36 2540 ALU SERVO SAVER MAIN SHAFT 30 3120...

  • Page 24: Steering

    STEERING 903310 SFH M3x10 902308 SH M3x8 3x6x3 This shim must be used with #369701 XRAY DMX body, 903310 use this shim from BAG 07. SFH M3x10 303120 SHIM 3x6x1.5 3x10 306219 SHIM 3x6x3 RIGHT 33.5mm THREAD LEFT RIGHT THREAD...

  • Page 25: Slipper Clutch Assembly

    6. SLIPPER CLUTCH ASSEMBLY 902308 902308 980212 361162 302291 981208 941015 302296 364131 364110 365781 364131 364120 364150 364181 364190 364020 364120 941015 903310 902318 901304 903310 903318 364010 30 2291 STEEL STEERING BUSHING (2+2) 36 5781 COMPOSITE SLIPPER CLUTCH SPUR GEAR 81T / 48 - GRAPHITE 30 2296 COMPOSITE C-HUB BUSHING (2+2) 36 5784...
  • Page 26 SLIPPER CLUTCH ASSEMBLY NOTE ORIENTATION 903318 SFH M3x18 903310 SFH M3x10 3x18 3x10 3x10 NOTE ORIENTATION 902308 SH M3x8 3x18 TIGHTEN GENTLY 902318 SH M3x18 THE SLIPER CLUTCH ADJUSTMENT The slipper clutch can be adjusted by loosening the set screw and then, while keeping the tool inside of the set screw, rotating the spur gear by hand as indicated in the drawing.

  • Page 27: Shock Absorbers

    7. SHOCK ABSORBERS PISTONS DETAIL 965023 368010 holes holes holes holes holes holes (Create custom holes) (1.4mm) (1.3mm) (1.0mm) (1.1mm) (1.2mm) (0mm - use required drill pin) 368030 368160 363240 368120 Thick Shim Thick Shim 902205 970120 Thin Shim 303129 970080 368260 972030...
  • Page 28 SHOCK ABSORBERS Downstop shim. Thicker shim used, greater downstop is achieved. EXTREMELY IMPORTANT 303129 IMPORTANT SHIM 3x6x1 Always use same shim thickness on right and left side to achieve same downstop. ➋ ➋ 3x6x1 3x6x1 ➊ ➊ CORRECT INCORRECT REAR SHOCKS FRONT SHOCKS SHORT LONG...
  • Page 29 SHOCK ABSORBERS FRONT SHOCKS (SHORT) REAR SHOCKS (LONG) IMPORTANT Both FRONT SHOCKS must be the same overall length. SHORT FRONT SHOCKS LONG REAR SHOCKS Both REAR SHOCKS must be the same overall length. Short Springs Long Springs ALTERNATE SHOCk REBOUND SETTING (50% AND 100%) The default shock rebound setting is 0% (as described on page 34).

  • Page 30: Final Assembly

    36 3510 LEXAN REAR WING (2) 36 4090 ALU ECCENTRIC MOTOR BULKHEAD INSERT 36 9701 XRAY XB4 BODY DMX 36 5718~23 ALU PINION GEAR HARD COATED 18~23T/48 (OPTION) 36 9910 FRONT WHEELS AERODISK - WHITE (2) 36 6110 COMPOSITE BATTERY STRAP L+R...

  • Page 31: Final Assembly

    FINAL ASSEMBLY ➍ ➊ ➋ 960030 N M3 ➍ ➋ ➊ ➌ 3x16 NOTE ORIENTATION 902316 SH M3x16 ➌ 3x16 INITIAL POSITION REAR SHOCKS MOUNTING ALTERNATIVES Depending on the track traction conditions there are two alternatives how to mount the rear shocks. The shocks can be mounted either in front or behind the rear suspension. 960030 N M3 Alternative 1...
  • Page 32 SERVO LINK Adjust Servo link to fit your servo. 10mm THREAD RIGHT 26~29mm THREAD LEFT THREAD LEFT THREAD RIGHT THREAD 6mm THREAD 306219 SHIM 3x6x2 10mm 902308 THREAD SH M3x8 3x6x2 THREAD FROM SERVO REMOVE UPPER-DECK 903310 SFH M3x10...
  • Page 33 FINAL ASSEMBLY 902310 SH M3x10 ➌ ➋ NOTE ➊ ORIENTATION ➊ ➋ Untighten screw ➊ PINIONS (OPTION) Insert motor into the bulkhead #365718 18T / 48P (OPTION) ➋ #365719 19T / 48P (OPTION) #365720 20T / 48P (OPTION) #365721 21T / 48P (OPTION) #365722 22T / 48P (OPTION) #365723...
  • Page 34 902308 SH M3x8 903310 SFH M3x10 306219 SHIM 3x6x2 This shim must be used with 3x6x2 #369701 XRAY DMX body, use this shim from BAG 07. LiPo BATTERY PACKS 902314 (NOT INCLUDED) SH M3x14 48mm Self-Adhesive Foam Strip (#107871 HUDY)
  • Page 35 FINAL ASSEMBLY 902314 3x6x1.5 SH M3x14 303120 SHIM 3x6x1.5 SPEED CONTROLLER NOTE: In case the antenna tube does not hold the antenna properly, (NOT INCLUDED) apply a small drop of the CA glue to the outside end of the antenna tube while inserting it into the holder.
  • Page 36 FINAL ASSEMBLY 960240 REAR WIDE WHEEL N M4 FRONT NARROW WHEEL Before cutting and making holes on the BODY, put the unpainted body on the Apply paint masks as appropriate. ➊ ➍ chassis to confirm the mounting position and location for holes and cutouts. Before cutting and making holes on the WING, put the unpainted wing on the Paint the body using paints formulated for polycarbonate bodies.

  • Page 37: Multiflex

    MULTIFLEX™ XB4 2WD offers revolutionary flex setting possibilities. Depending on the traction, surface, track layout, you can change the flex setting as you need by adding or removing the screws which are shown bellow. There are three standard flex settings: soft, medium, stiff. The more screws used, stiffer the car is and less screws used, softer the car is.

  • Page 38: Maintenance

    MAINTENANCE SHOCk MAINTENANCE The most important maintenance task for keeping consistent shock performance is refilling and bleeding them correctly. If built correctly, it will not be necessary to re-build them often. Replacing warped/hard o-rings, scarred piston rods, or shaved/split/loose composite upper and lower ball joints are also important. •...

  • Page 39: Set-Up Sheet

    SPRINGS ° ° REBOUND DOWNSTOP SHIM SHIM UNDER STEERING PLATE UPSTOP TRAVEL ORING PISTONS TIGHT MEDIUM SOFT CUSTOM PISTONS ° ° TYPE INSERTS WHEELS #107720 GAUGE OTHER MOTOR ROTOR TIMING BATTERIES BODY XB4 2WD SET-UP SHEET VER. 1.0 ©XRAY 11/2013...
  • Page 40 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...

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