Xray XB9 Instruction Manual
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Xray XB9 Instruction Manual

Xray xb9 1/8 luxury off-road buggy
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Summary of Contents for Xray XB9

  • 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 • Make sure that chassis screws do not protrude from the chassis. Please support your local hobby shop. We at XRAY Model Racing Cars support all local • For the best performance, it is very important that great care is taken to ensure the hobby dealers.

  • Page 4: Symbols Used

    SYMBOLS USED Part bags used Assemble in the Assemble left and Assemble front Pay attention Assemble as Apply instant Apply oil Apply grease Apply specified order right sides the and rear the same here many times glue threadlock same way as specified (here twice) ➊...

  • Page 5: Graphite Parts

    XB9 TECH TIPS FRONT & REAR DIFF GEAR MESH ADJUSTMENT Before filling in the differentials with oil 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.
  • Page 6 • Fully adjustable on- and off-power performance using different internal segments and gears ACTIVE FRONT DIFF • Improves diff action and increases traction #355104 • Easy and consistent steering 35 5002 XB9 FRONT/REAR DIFFERENTIAL - SET 90 3312 HEX SCREW SFH M3x12 (10) BAGS 35 5020 DIFFERENTIAL CASE...

  • Page 7: Very Important

    FRONT & REAR DIFFERENTIALS ➌ Graphite Grease 940816 Graphite Grease (HUDY #106210) BB 8x16x5 (HUDY #106210) ➋ STEP DETAIL ➎ ➍ ➊ Use HUDY Ball-Bearing 964060 Grease for servicing: S 6x18x0.2 #106220 - Standard #106221 - Extra #106222 - Premium ➎...

  • Page 8: Center Differential

    355030 355080 971060 940816 355050 903312 355071 35 5012 XB9 CENTRAL DIFFERENTIAL - SET 94 0816 HIGH-SPEED BALL-BEARING 8x16x5 BLUE COVERED (2) 35 5020 DIFFERENTIAL CASE 96 4030 WASHER S 3.5x12x0.2 (10) 35 5030 STEEL DIFF BEVEL & SATELLITE GEARS (2+4) 96 4060 WASHER S 6x18x0.2 (10)
  • Page 9 CENTER DIFFERENTIAL ➌ ➋ Graphite Grease (HUDY #106210) 940816 BB 8x16x5 Graphite Grease ➊ (HUDY #106210) STEP DETAIL ➎ ➍ Use HUDY Ball-Bearing Grease for servicing: #106220 - Standard ➏ 964060 #106221 - Extra S 6x18x0.2 #106222 - Premium ➎ 971060 O 6x1.5 980212...

  • Page 10: Front Transmission

    XB9 CVD DrIVE SHaFT CoUPLING - HUDY SPrING STEEL™ 90 2312 HEX SCrEW SH M3x12 (10) 35 5416 XB9 CENTraL CVD SHaFT UNIVErSaL JoINT - HUDY SPrING STEEL™ 94 0816 HIGH-SPEED BaLL-BEarING 8x16x5 rUBBEr SEaLED (2) 35 5425 XB9 FroNT CENTraL CVD DrIVE SHaFT - HUDY SPrING STEEL™...

  • Page 11: Rear Transmission

    XB9 CVD DrIVE sHaFT CoUPlING - HUDY sPrING sTEEl™ 90 2312 HEX sCrEW sH M3x12 (10) 35 5416 XB9 CENTral CVD sHaFT UNIVErsal JoINT - HUDY sPrING sTEEl™ 94 0816 HIGH-sPEED Ball-BEarING 8x16x5 rUBBEr sEalED (2) 35 5625 XB9 rEar CENTral CVD DrIVE sHaFT - HUDY sPrING sTEEl™...

  • Page 12: Rear Suspension

    35 2470 BALL JOINT 5.8 (8) 90 1312 HEX SCREW SB M3x12 (10) 35 3115 XB9 COMPOSITE REAR LOWER SUSPENSION ARM 90 1408 HEX SCREW SB M4x8 (10) 35 3304 ALU REAR LOWER SUSP. HOLDERS SET- SQUARE ADJ. ROLL-CENTER 90 2318...
  • Page 13 Outer position = 1mm or 1° from center The new 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 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 Off-Road Set-up Book (#209099).
  • Page 14 REAR SUSPENSION 1.5mm 901312 SB M3x12 Follow the TECH TIP on page 5 to install the pivot balls STEP DETAIL ➍ 901303 SB M3x3 901305 SB M3x5 ➍ 902318 ➋ SH M3x18 ➌ 3x18 903308 SFH M3x8 ➊ DETAIL DETAIL INITIAL POSITION Step ➊...
  • Page 15 HEX SCREW SH M3x22 (10) 35 3370 SET OF COMPOSITE REAR HUB CARRIER SHIMS 90 5314 SCREW PHILLIPS 3.0x14 (10) 35 3521 XB9 REAR WING POSTS 94 0814 HIGH-SPEED BALL-BEARING 8x14x4 BLUE COVERED (2) 35 3559 COMPOSITE REAR WING MOUNT BRACE (2) 94 1319...
  • Page 16 REAR SUSPENSION Follow the TECH TIP on page 5 Follow the TECH TIP on page 5 to install the pivot balls to install the pivot balls cAMBER RIGHT LEFT THREAD THREAD LEFT THREAD RIGHT THREAD DETAIL Use tools to tighten as shown Special Tool for all turnbuckles, nuts (HUDY #108090)

  • Page 17: Front Suspension

    DIFF BULKHEAD BLOCK SET FRONT/REAR 35 7212 LOWER INNER PIVOT PIN F+R (2) 35 2115 XB9 COMPOSITE FRONT LOWER SUSPENSION ARM 90 1303 HEX SCREW SB M3x3 (10) 35 2304 ALU FRONT LOWER SUSP. HOLDERS SET - SQUARE ADJ. ROLL-CENTER...
  • Page 18 Outer position = 1mm or 1° from center The new XRAY alu front lower suspension holders provide even greater 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 Off-Road Set-up Book (#209099).
  • Page 19 FRONT SUSPENSION 1.5mm 901312 SB M3x12 Follow the TECH TIP on page 5 to install the pivot balls STEP DETAIL ➍ 901303 SB M3x3 901305 SB M3x5 ➍ ➋ 902318 SH M3x18 ➌ 3x18 903308 SFH M3x8 ➊ DETAIL Step ➊...
  • Page 20 6. FRONT SUSPENSION 960030 352151 353160 352622 902318 960030 352151 352222 352212 352181 352262 902325 353170 355221 980263 902414 902418 355237 355211 980317 941319 cASTER BlOckS 355250 #352212 10° - RIGHT (STANDARD) #352213 12° - RIGHT (OpTION) 352252 OFFSET wHEEl AXlES #352214 14°...
  • Page 21 FRONT SUSPENSION RIGHT ASSEMBLY LEFT ASSEMBLY 902418 SH M4x18 ➋ DO NOT Check for free movement OVERTIGHTEN ➌ ➊ DO NOT OVERTIGHTEN ➌ DETAIL LEFT THREAD LEFT RIGHT THREAD RIGHT THREAD Use tools to tighten as shown THREAD Follow the TECH TIP on page 5 Follow the TECH TIP on page 5 to install the pivot balls to install the pivot balls...

  • Page 22: Front & Rear Assembly

    960030 351200 903412 903312 351106 903412 35 1106 XB9 ALU CHASSIS - HARDCOATED SWISS 7075 T6 (3MM) 90 2316 HEX SCREW SH M3x16 (10) 35 1200 FRONT & REAR BUMPER - V2 90 3312 HEX SCREW SFH M3x12 (10) 35 3088...
  • Page 23 FRONT & REAR ASSEMBLY 902316 SH M3x16 SH 3x16 903312 SFH M3x12 960030 N M3 SFH 3x12 903412 SFH M4x12 DETAIL...
  • Page 24 HEX SCREW SFH M3x10 (10) 35 2088 XB9 COMPOSITE FRONT BRACE 90 3312 HEX SCREW SFH M3x12 (10) 35 2502 XB9 SERVO SAVER COMPLETE SET 90 3314 HEX SCREW SFH M3x14 (10) 35 2512 XB9 COMPOSITE SERVO SAVER 90 3320...
  • Page 25 STEERING 3x10 step step 903310 3x10 SFH M3x10 SH 3x8 SH 3x8 OPTIONAL 3x14 XB9 GRAPHITE UPPER PLATE WITH ALU REINFORCEMENT STAND #351343 3x10 903312 903314 SFH M3x12 SFH M3x14 902310 903410 SH M3x10 SFH M4x10 902308 SH M3x8 960030...
  • Page 26 8. CENTER DIFF & BRAKE 902330 354041 901304 903308 902316 354058 354041 354010 354121 354130 354110 OPTIONAL GLUED BRAKE PADS SET - ULTRA EFFICIENT(4) 902316 #354131 355012 CENTER DIFF 354010 903308 For less wear of break pads, optional brake pads with springs can be used.
  • Page 27 CENTER DIFF & BRAKE 901304 SB M3x4 903308 SFH M3x8 NOTE ORIENTATION OF ALL PARTS 903308 SFH M3x8 Before inserting 3x30 long screws, loosen the four flat-head screws in the upper plate by 1/2 turn. Tighten all screws after assembly. DETAIL 902330 SH M3x30...
  • Page 28 35 8722 EXHAUST WIRE MOUNT SET - LONG 90 8312 HEX SCREW (CAP HEAD) 3x12 (10) 35 1153 XB9 CHASSIS SIDE GUARDS L+R 35 8941 COMPOSITE TUBING HOLDER FOR FUEL TANK (2) 91 1410 HEX SCREW FLANGED SH M4x10 (10)
  • Page 29 DETAIL 911410 CORRECT SHF M4x10 EXTREMELY IMPORTANT It is very important that your XB9 has properly-adjusted gear mesh. Adjust the gear mesh so there is adequate (or slightly larger) space between the spur gear and clutchbell DETAIL Adjust engine teeth. Adjust the gear mesh by sliding the engine mounts in...
  • Page 30 FUEL TANK & ENGINE The fuel tank has the bigger fuel volume and includes optional tank inserts for decreasing the volume of the tank. Using the inserts allows you to adjust the volume of fuel inside the 3x16 tank; this works in conjunction with variables such as fuel filter capacity and/or length of fuel line to ensure you have the legal fuel volume limit for racing.

  • Page 31: Radio Case

    HEX SCREW SH M3x14 (10) 35 2670 SERVO BALL JOINT 5.8MM (4) 90 3412 HEX SCREW SFH M4x12 (10) 35 6003 XB9 RADIO CASE SET 96 0030 NUT M3 (10) 35 6050 BATTERY CABLE WITH SWITCH (OPTION) 35 6120 STEERING SERVO MOUNT - SET 35 6200 BRAKE/THROTTLE ARMS &...
  • Page 32 RADIO CASE Servo screw step 3x12 Plug the connectors into 3x14 902312 the receiver in Step 2 SH M3x12 NOTE ORIENTATION 902314 SH M3x14 step 3x10 Use foam to cushion the inside of the radio case so the receiver and battery 3x12 cannot vibrate or move.

  • Page 33: Shock Absorbers

    (OPtION) 352460 35 2460 PIVOT BALL 5.8 - V3 (10) 35 8142 XB9 ALU SHOCK BODY NUT FOR SHOCK BOOT (2) 35 8019 XB9 COMPOSITE SET OF SHIMS FOR SHOCKS (2) 35 8150 ALU SHOCK BODY ADJ. NUT (2) 35 8020...
  • Page 34 SHOCK ABSORBERS EXTREMELY IMPORTANT FRONT SHOCKS SHORT SHOCK ROD SHORT SHOCK BODY 1.2mm PISTON 970180 O 18x1.8 REAR SHOCKS LONG SHOCK ROD INCORRECT CORRECT LONG SHOCK BODY 1.3mm Do not push the shock rod straight Twist the shock rod through the PISTON through the lower shock body lower shock body assembly.
  • Page 35 SHOCK ABSORBERS FRONT SHOCK PRELOAD FRONT SHOCKS REAR SHOCKS SHORT FRONT SHOCKS LONG REAR SHOCKS REAR SHOCK PRELOAD SHORT SPRING LONG SPRING IMPORTANT! IMPORTANT! SpRING RATE IMPORTANT! SElEcTION Both front shocks Both rear shocks SHOck pRElOAD must be the same must be the same RIDE HEIGHT FRONT &...

  • Page 36: Final Assembly

    STEEL SCREW SHOCK PIVOT BALL WITH HEX (2) 90 2310 HEX SCREW SH M3x10 (10) 35 8104 XB9 FRONT SHOCK ABSORBERS + BOOTS COMPLETE SET (2) 90 2318 HEX SCREW SH M3x18 (10) 35 8204 XB9 REAR SHOCK ABSORBERS + BOOTS COMPLETE SET (2)
  • Page 37 FINAL ASSEMBLY (SHORTER) (LONGER) 902318 M3x18 INITIAL POSITIONS NOTE ORIENTATION 3x25 902319 SH M3x18 LEFT thread INITIAL POSITIONS STANDARD M3x18 screw 960030 N M3 REAR SHOCKS (LONG) On the rear left arm use the SILVER M3x18 screw - this screw has LEFT THREAD 3x18 SHOck ABSORBERS...
  • Page 38 FINAL ASSEMBLY DETAIL XRAY STARBURST wHEElS NOTE #359808 pink (OpTION) ORIENTATION #359809 Yellow (OpTION) 903312 SFH M3x12 960030 N M3 To tighten the setscrew you can also use the HUDY 17mm Wheel Nut Tool #107570 Apply air filter oil and follow the engine instructions to service the air filter.

  • Page 39: Throttle Linkage Adjustment

    THROTTLE LINKAGE ADJUSTMENT NEUTRAl (IDlE) ADJUST INDIVIDUAL LINKAGES SEPARATELY TO AVOID INTERFERING WITH THE OPERATION OF THE OTHERS ~1mm ENGINE IDLING 0.5mm IDLING ADJUSTMENT SCREW. Use to adjust the idle setting of the carburetor. Do not allow carburetor to • Turn on the transmitter and receiver and set the engine control servo trim to the neutral position. close to less than 1mm.
  • Page 40 MULTIFLEX™ XB9 offers revolutionary flex setting possibilities. Depending on the traction, surface, track layout, you can change the flex setting as you need. XB9 has 3 main Multi-Flex™ settings: soft, medium, stiff SOFT Use soft setting for low-traction, dusty tracks. The car will create a lot of traction with this setting but will have less steering and response compared to stiffer setting.
  • Page 41 MAINTENANCE ENGINE OpERATION pREpARING TO OpERATE THE ENGINE • Never modify the engine or muffler. • For proper engine break-in, please refer to the manual that came with the engine. • Confirm the position of needle and idling before running. Be sure to run a new engine smoothly. •...

  • Page 42: Troubleshooting Guide

    clUTcH BEARINGS To prolong the lifespan of the clutch bearings, they must be regularly cleaned and lubricated (preferably after each run) using a high-quality grease such as HUDY Bearing Grease. However, after some time the clutch bearings must be replaced with new ones. HUDY #106230 REcOMMENDED pRODUcTS •...
  • Page 43 POSITION OTHER TIGHT OIL / cST MEDIUM SOFT REBOUND / PISTONS SHIMS IN FRONT OF UPRIGHT SHIM UNDER STEERING PLATE OTHERS TIRES FRONT REAR TYPE INSERTS WHEELS ENGINE TYPE #107717 GAUGE MANIFOLD MUFFLER PLUG FUEL BODY TYPE VER. 1.0 ©XRAY...
  • Page 44 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 5 8 1 7 0 3 9 1 0 4 6 6...

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