Xray GTX8, Instruction Manual

Page 1: ......

Page 2: ...ontrol Since radio interference can cause momentary loss of control always allow a safety margin in all directions around the model in order to prevent collisions Do not use your model Near real cars animals or people that are unaware that an RC car is being driven In places where children and people gather In residential districts and parks In limited indoor spaces In wet conditions In the street...

Page 3: ...se of this product and or any product or accessory required to operate this product In no case shall XRAY s liability excess the monetary value of this product Take adequate safety precautions prior to operating this model You are responsible for this model s assembly and safe operation Disregard of the any of the above cautions may lead to accidents personal injury or property damage XRAY MODEL R...

Page 4: ...St 100ml HUDY 106631 300 000cSt 100ml Air Filter Oil HUDY 106240 Receiver Pack Transmitter Engine Manifold Exhaust Glow Plug Igniter Starter Box Battery Pack HUDY 104500 Steering and Throttle Servos Battery Charger Receiver Lexan Paint Fuel Fuel Bottle HUDY 104200 Special Tool for all turnbuckles nuts HUDY 181090 Turnbuckle Wrench HUDY 181040 4mm HUDY 181050 5mm Phillips 5 0mm HUDY TOOLS Socket 5 ...

Page 5: ...ns and regularly inspect for wear SUSPENSION DRIVETRAIN MAINTENANCE Check suspension for free movement during building and operation and especially after running and if you have crashed the car If the suspension does not move freely use the appropriate HUDY Arm Reamer to clean and resize the holes of the suspension arms Regularly check the drive shaft pins both side and center and if they show any...

Page 6: ...HIGH SPEED BALL BEARING 8x16x5 BLUE COVERED 2 96 4030 WASHER S 3 5x12x0 2 10 96 4060 WASHER S 6x18x0 2 10 97 1060 SILICONE O RING 6x1 5 10 98 0212 PIN 2x11 6 10 BAG 940816 903312 355046 964060 355030 355030 971060 355020 940816 355090 964030 980212 980212 971060 355080 355063 355063 940816 BB 8x16x5 964060 S 6x18x0 2 971060 O 6x1 5 980212 P 2x11 6 355005 REAR DIFFERENTIAL 46T V2 SET BOOK SET UP IM...

Page 7: ... differentials with oil just above the satellite gears IMPORTANT VERY IMPORTANT OIL INCORRECT CORRECT Do not overfill the differential If there is too much oil in the differential it may leak after it cools down after use Use the following silicone oils included in the kit for initial settings FRONT diff 300 000cSt REAR diff 60 000cSt 107865 HUDY Ultimate Digital Pocket Scale 300g 0 01g To ensure ...

Page 8: ...VD DRIVE SHAFT COUPLING HUDY SPRING STEEL 35 5416 CENTRAL CVD SHAFT UNIVERSAL JOINT HUDY SPRING STEEL 35 5425 FRONT CENTRAL CVD DRIVE SHAFT HUDY SPRING STEEL 35 5471 DRIVE SHAFT LOCKING RING 2 35 5472 DRIVE SHAFT BOOT 2 90 1404 HEX SCREW SB M4x4 10 90 2312 HEX SCREW SH M3x12 10 94 0816 HIGH SPEED BALL BEARING 8x16x5 RUBBER SEALED 2 98 0314 PIN 3x14 10 BAG 355003 FRONT DIFF 902312 FRONT DIFF 300 00...

Page 9: ...40 GT GRAPHITE REAR SHOCK TOWER CNC MACHINED 3 5 MM 35 5114 BEVEL DRIVE GEAR 14T 35 5236 CVD DRIVE SHAFT COUPLING HUDY SPRING STEEL 35 5416 CENTRAL CVD SHAFT UNIVERSAL JOINT HUDY SPRING STEEL 35 5640 GT REAR CENTRAL CVD DRIVE SHAFT HUDY SPRING STEEL 355003 REAR DIFF 902312 Graphite Grease HUDY 106210 REAR DIFF 60 000 cSt The ring can be assembled by hand but for easy disassembly we recommend using...

Page 10: ...COMPOSITE LOWER ARM SHIMS 35 3426 REAR ANTI ROLL BAR 2 6MM 35 7212 LOWER INNER PIVOT PIN F R 2 357212 352314 353113 353325 901412 90 1303 HEX SCREW SB M3x3 10 90 1305 HEX SCREW SB M3x5 10 90 1312 HEX SCREW SB M3x12 10 90 1412 HEX SCREW SB M4x12 10 90 2318 HEX SCREW SH M3x18 10 90 3308 HEX SCREW SFH M3x8 10 90 9372 SCREW PHILLIPS SS 3 5x22 10 90 9395 SCREW PHILLIPS SS 3 5x45 10 REAR ANTI ROLL BARS ...

Page 11: ...inations 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 The tables describe the amounts of rear anti squat rear toe in rear track width change depend...

Page 12: ...oosen the 3x5 setscrew if the anti roll bar does not turn freely Step DETAIL Step check for free movement DETAIL 3x5mm 3x8mm 3x3mm 3x18mm L R 2x Follow the TECH TIP on page 5 to install the pivot balls BOOK SET UP REAR ANTI ROLL BARS 353422 ø2 2mm OPTION 353424 ø2 4mm OPTION 353425 ø2 5mm OPTION 353426 ø2 6mm INCLUDED 353428 ø2 8mm OPTION 353430 ø3 0mm OPTION ...

Page 13: ...RRIER SHIMS 35 3523 GT COMPOSITE REAR HOLDER POST 2 35 5211 CVD DRIVE AXLE HUDY SPRING STEEL 35 5221 CVD UNIVERSAL DRIVE SHAFT HUDY SPRING STEEL 35 5237 CVD DRIVE SHAFT COUPLING HUDY SPRING STEEL 35 5250 ALU WHEEL AXLE BLACK COATED 2 BAG 35 7331 REAR LOWER OUTER PIVOT PIN SCREW 3MM 2 90 1504 HEX SCREW SB M5x4 10 90 2318 HEX SCREW SH M3x18 10 90 2320 HEX SCREW SH M3x20 10 90 3312 HEX SCREW SH M3x12...

Page 14: ...TING Check for free movement DETAIL DETAIL Use tools to tighten as shown DETAIL DETAIL Ensure that the rear upright moves freely If it does not move freely use sandpaper to thin both wheelbase adjustment shims Shims for wheelbase adjustment Do not overtighten the self locking nut Overtightening may result in suspension binding 2x L R L R 2x 1mm 2mm 1mm BOOK SET UP Special Tool for all turnbuckles ...

Page 15: ...60030 N M3 902318 SH M3x18 960030 N M3 903312 SFH M3x12 902318 SH M3x18 902320 SH M3x20 DETAIL INITIAL SETTING INITIAL SETTING 2x 2x L R L R L R Optional shims can be used for roll center adjustment 353380 Alu shim 4x7 5x1mm 353381 Alu shim 4x7 5x2mm 3x20mm 3x18mm ...

Page 16: ...RE ADJ ROLL CENTER BUSHINGS V2 2 35 2323 ALU FRONT LOWER SUSP HOLDER FRONT SQUARE ADJ ROLL CENTER V2 35 2324 ALU FRONT LOWER SUSP HOLDER REAR SQUARE ADJ ROLL CENTER V2 35 2460 PIVOT BALL 5 8 10 35 2470 BALL JOINT 5 8 8 35 2496 FRONT ANTI ROLL BAR 2 6MM 35 3371 SET OF COMPOSITE LOWER ARM SHIMS 35 7212 LOWER INNER PIVOT PIN F R 2 90 1303 HEX SCREW SB M3x3 10 90 1305 HEX SCREW SB M3x5 10 90 1312 HEX ...

Page 17: ...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 Eccentric bushings have two different offsets from the center Middle position 0 5 mm or 0 5 from center Outer position 1mm or 1 from center 4x1...

Page 18: ... 2x Loosen the 3x5 setscrew if the anti roll bar does not turn freely Step L R STEP DETAIL 1 5mm 6mm Follow the TECH TIP on page 5 to install the pivot balls DETAIL DETAIL DETAIL Step check for free movement DETAIL BOOK SET UP FRONT ANTI ROLL BARS 352492 2 2mm OPTION 352493 2 3mm OPTION 352494 2 4mm OPTION 352495 2 5mm OPTION 352496 2 6mm INCLUDED ...

Page 19: ... M15x1 2 35 7254 COMPOSITE BALL CUP 13 9 MM 2 35 7256 ALU SHIM 6x13x1 2 90 1504 HEX SCREW SB M5x4 10 90 3416 HEX SCREW SFH M4x16 10 94 0814 HIGH SPEED BALL BEARING 8x14x4 BLUE COVERED 2 94 1319 HIGH SPEED BALL BEARING 13x19x4 BLUE COVERED 2 98 0263 PIN 2 5x13 10 98 0317 PIN 3x17 10 980263 901504 SB M5x4 940814 BB 8x14x4 980317 P 3x17 903416 SFH M4x16 980263 P 2 5x13 941319 BB 13x19x4 352376 353172...

Page 20: ... 5x1 353381 SHIM 4x7 5x2 DETAIL 2 5mm 2 5mm DETAIL DETAIL 6 FRONT SUSPENSION Apply WD40 to protect against rust Apply WD40 to protect against rust HUDY Tool Allen 2 5mm 30mm 1mm L R L R L R L R 2x 2x 2x 2x 2 5mm SHORT LONG HUDY Tool Allen Ball 2 5mm Marked L Marked L 106mm 106mm Marked R Marked R DETAIL INITIAL SETTING L R 357253 BRASS ADJUSTING NUT M15x1 357251 ALU PIVOT BALL 13 7MM WITH STEEL SC...

Page 21: ...FRONT REAR SUSPENSION HOLDER PLATE 35 3083 GT COMPOSITE REAR BRACE BAG 902325 351232 351130 903412 903412 960030 960040 353083 90 2325 HEX SCREW SH M3x25 10 90 3412 HEX SCREW SFH M4x12 10 96 0030 NUT M3 10 96 0040 NUT M4 10 902312 353281 GT GRAPHITE BRACES FOR REAR COMPOSITE BRACE SET 960030 353281 353281 ...

Page 22: ...22 6 FRONT REAR ASSEMBLY 902325 SH M3x25 903412 SFH M4x12 960030 N M3 960040 N M4 353281 GRAPHITE BRACE SET for extra stiffness adjustment 903412 SFH M4x12 M3 M4 NOTE ORIENTATION ...

Page 23: ...310 HEX SCREW SH M3x10 10 90 2312 HEX SCREW SH M3x12 10 90 3308 HEX SCREW SFH M3x8 10 90 3310 HEX SCREW SFH M3x10 10 90 3312 HEX SCREW SFH M3x12 10 90 3320 HEX SCREW SFH M3x20 10 90 3410 HEX SCREW SFH M4x10 10 90 3412 HEX SCREW SFH M4x12 10 94 0610 HIGH SPEED BALL BEARING 6x10x3 BLUE COVERED 2 96 0030 NUT M3 10 96 0040 NUT M4 10 96 2041 WASHER S 4x8x0 5 10 97 0121 O RING 12 1 x 1 6 10 Must be used...

Page 24: ...SET UP 7 STEERING 902308 SH M3x8 940610 BB 6x10x3 903410 SFH M4x10 970121 O 12 1x1 6 4 5mm INITIAL PRELOAD SETTING DETAIL DETAIL 3 0mm HUDY Tool Allen 3 0mm NOTE ORIENTATION DETAIL For servicing use Bearing Oil HUDY 106230 ...

Page 25: ...D NOTE ORIENTATION NOTE ORIENTATION NOTE ORIENTATION NOTE ORIENTATION NOTE ORIENTATION NOTE ORIENTATION Follow the TECH TIP on page 5 to install the pivot balls Special Tool for all turnbuckles nuts HUDY 181090 or Turnbuckle Wrench 4mm HUDY 181040 Use tools to tighten as shown DETAIL 7 STEERING 902312 SH M3x12 960030 N M3 All possible mounting alternatives of eccentric bushings DETAIL DETAIL DETAI...

Page 26: ... M3x12 962041 SHIM 4x8x0 5 902310 SH M3x10 NOTE ORIENTATION BOOK SET UP BOOK SET UP All possible mounting alternatives of eccentric bushings 0 5 1 INITIAL POSITION Cutaway view Shock Tower NOTE ORIENTATION DETAIL CASTER UPPER CLIP Behind arm LOWER SHIM Behind arm 4mm 2mm 0 3mm 28º 25º 22º 2mm 29 5º 26 5º 23 5º 1mm 31º 28º 25º 0 32 5º 29 5º 26 5º Clearance shim The clearance shim 0 5mm can be insta...

Page 27: ...10 90 3308 HEX SCREW SFH M3x8 10 90 3412 HEX SCREW SFH M4x12 10 94 0817 BALL BEARING 8x14x4 FLANGED 2 95 0814 BALL BEARING 8x14x4 FLANGED 2 98 1310 PIN 3x10 10 98 3404 ROLLER PIN 4x4 MM 2 354010 354010 902316 354010 903412 354010 354010 For improved brake efficiency and increased lifespan use the OPTION brake bads with springs 354131 GLUED BRAKE PADS SET ULTRA EFFICIENT 4 354132 BRAKE PAD SLS 4 35...

Page 28: ...ake disk between pads to set correct gap 0 5 mm DETAIL For improved brake efficiency and increased lifespan use the OPTION brake bads with springs 354131 GLUED BRAKE PADS SET ULTRA EFFICIENT 4 354132 BRAKE PAD SLS 4 Roughen steel plates with sandpaper before gluing fibre pads CA CA 2x 2x FIBRE FIBRE STEEL STEEL NOTE ORIENTATION ROUND HOLE OVAL HOLE NOTE ORIENTATION VIEW SHORT LONG DETAIL DETAIL 1 ...

Page 29: ...rews Only tighten until roller pins contact the center hub SHIFT POINT SCREW SHOE GAP SETSCREW Use HUDY Reamer 107600 to slightly chamfer the edges on all 3 holes for screws from inside Use HUDY Reamer 107600 to slightly chamfer the edges on all 3 holes for screws from inside 46 49 8 CENTER DIFF BRAKE NOTE ORIENTATION NOTE ORIENTATION NOTE ORIENTATION NOTE ORIENTATION 3x8mm 4x12mm NOTE ORIENTATION...

Page 30: ...G OIL NOTE ORIENTATION 902330 SH M3x30 354112 LIGHTWEIGHT VENTILATED BRAKE DISK LASER CUT PRECISION GROUND 2 Insert brake disk between brake pads All screws NOTE ORIENTATION OF ALL PARTS GRAPHITE 2 SPEED GEARS 345645 45T 2ND OPTION 345646 46T 2ND OPTION 345647 47T 2ND OPTION 345648 48T 1ST OPTION 345649 49T 1ST OPTION 345650 50T 1ST OPTION COMPOSITE 2 SPEED GEARS 345545 45T 2ND OPTION 345546 46T 2...

Page 31: ...4x10 10 90 6206 SCREW PHILLIPS FH 2 2x6 10 90 8312 HEX SCREW CAP HEAD 3x12 10 90 8314 HEX SCREW CAP HEAD 3x14 10 91 1410 HEX SCREW FLANGED SH M4x10 10 96 1032 WASHER S 3 2 10 96 4073 WASHER S 7x10x0 2 10 96 4074 WASHER S 7x10x0 3 10 96 4075 WASHER S 7x10x0 5 10 903310 358680 358685 348519 Engine NOT INCLUDED 358564 338584 908314 348516 358550 358724 911410 358731 351159 351159 358723 358540 OPTION...

Page 32: ...TION IMPORTANT When installing the engine first check that the drive shaft does not touch the engine If it does remove some material from the engine mount as shown to make some room between engine and shaft 908312 SCH M3x12 964073 S 7x10x0 2 964074 S 7x10x0 3 964075 S 7x10x0 5 9 FUEL TANK ENGINE 902305 SH M3x5 961032 S 3 2 Threadlock on all screws Threadlock on all screws ...

Page 33: ...fuel inside the 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 5x12x4mm 5x10x4mm 16T 19T 908314 SCH M3x14 359050 BB 5x10x4 359051 BB 5x12x4 338584 S 5x7x0 2 These bearings must still be regularly serviced and replaced when worn out Note the orientation of the clutch shoes The short side...

Page 34: ...ng your engine apply 106250 HUDY ENGINE AFTER RUN OIL ALTERNATIVE 150CC FUEL TANK ALTERNATIVE 125CC FUEL TANK INITIAL SETTING 358605 FUEL TANK 125CC WITH FLOATING FILTER Not included 902316 SH M3x16 901405 SB M4x5 903410 SFH M4x10 903310 SFH M3x10 906206 SFP 2 2x6 3x10mm 3x10mm 3x16mm 3x16mm 2 2x6mm 3x9x2mm 3x9x2mm DETAIL DETAIL DETAIL ...

Page 35: ...ARMS STEERING SERVO ARMS SET 38 9135 CONNECTING CABLE RECEIVER BATT PACK OPTION 90 2306 HEX SCREW SH M3x6 10 OPTION 90 2310 HEX SCREW SH M3x10 10 90 2312 HEX SCREW SH M3x12 10 90 2314 HEX SCREW SH M3x14 10 90 3412 HEX SCREW SFH M4x12 10 96 0030 NUT M3 10 The length of the linkages varies according to the type of servo approx 19 5mm LEFT THREAD RIGHT THREAD DETAIL NOTE ORIENTATION Receiver battery ...

Page 36: ...EFULLY remove the material from the cover and mount the switch CUT 2x6 3x10mm 3x10mm 3x12mm 3x14mm 4x12mm 3x6mm NOT INCLUDED Servo screw NOT INCLUDED Personal transponder NOT INCLUDED 902306 Screws NOT INCLUDED Personal transponder can be placed on the top of the radio box or inside of the radio box ALTERNATIVE 1 When the transponder is placed at the top of the radio box cut out some material from...

Page 37: ...TOM RIBBED 4 35 8130 GT ALU SHOCK BODY HARD COATED 2 35 8142 ALU SHOCK BODY NUT FOR SHOCK BOOT 2 1 1 SHOCK ABSORBERS 35 8150 ALU SHOCK BODY ADJ NUT 2 35 8163 GT SHOCK SHAFT 2 35 8196 XRAY GT SPRING 3 DOTS 2 96 0026 NUT M2 5 SHORT 10 97 0100 O RING 10 x 1 5 10 97 0180 O RING 18 x 1 8 10 97 1034 SILICONE O RING 3 5x2 10 358054 XB8 ALU SHOCK CAP NUT WITH VENT HOLE BLACK COATED 2 358041 358163 352460 ...

Page 38: ...ightened causingdistortionofthepiston Thiswill negatively affect the free movement of the piston in the shock body 1 1 SHOCK ABSORBERS EXTREMELY IMPORTANT Do not push the shock rod straight through the lower shock body assembly O ring damage may result Twist the shock rod through the lower shock body assembly INCORRECT CORRECT 6 holes ø1 2mm pistons NOTE ORIENTATION CORRECT INCORRECT INCORRECT Gri...

Page 39: ...oil Move the shock shaft up and down a few times to release the air bubbles trapped beneath the piston Orient the filled shock vertically for several minutes with the shock shaft fully extended The remaining air bubbles will release Installtheshockmembrane into the groove in the upper shock cap Gently place the shock cap assembly onto the filled shock body Excess oil will spill from the shock Scre...

Page 40: ...ll be at approximately 100 TIGHTEN FULLY 100 50 The default shock rebound setting is 0 as described on page 40 Alternatively you may set the shock rebound setting to 50 or 100 as described below Remove the shock springs before performing shock rebound adjustment Fill the shock body with shock oil up to the top Make sure to use same viscosity shock oil as is in the shock Orient the filled shock ver...

Page 41: ...TUBING 1M 2 4 x 5 5MM 36 2280 ALU CONICAL SHIM 3x6x2 0MM 10 36 2651 BALL END 4 9MM WITH THREAD 8MM 2 36 2652 BALL END 4 9MM WITH THREAD 10MM 2 90 1303 HEX SCREW SB M3x3 10 90 1306 HEX SCREW SB M3x6 10 90 2308 HEX SCREW SH M3x8 10 90 2310 HEX SCREW SH M3x10 10 90 2312 HEX SCREW SH M3x12 10 90 2314 HEX SCREW SH M3x14 10 90 2316 HEX SCREW SH M3x16 10 90 2318 HEX SCREW SH M3x18 10 90 2319 HEX SCREW SH...

Page 42: ...ew has LEFT THREAD Use STANDARD M3x18 screw M3x18mm INITIAL SETTING DETAIL L R BOOK SET UP DETAIL L R INITIAL SETTING NOTE ORIENTATION NOTE ORIENTATION INITIAL SETTING DETAIL L R Throttle rod Thread brake rods into plastic pivots until flush with outer end Brake rod Brake rod Cut off remaining material Use servo horn to match your servo K 23T H 24T F 25T HUDY ALU SERVO HORNS 293504 23T KO Propo Ai...

Page 43: ...om mounting plate and servo horn Install the servo brace Check free move 3x6x2mm 3x6x2mm NOTE ORIENTATION CONICAL SHIM 8mm THREAD 10mm THREAD 8mm THREAD 10mm THREAD NOTE ORIENTATION 4 3mm 303123 SHIM 3x6x2 362280 CON SHIM 3x6x2 SILICONE TUBING 8mm DETAIL 901306 SB M3x6 902312 SH M3x12 902316 SH M3x16 903414 SFH M4x14 903416 SFH M4x16 12 FINAL ASSEMBLY NOTE ORIENTATION NOTE ORIENTATION 3x16mm ...

Page 44: ...ED OPTION Wheel Tire NOT INCLUDED Wheel Tire NOT INCLUDED 4x 902325 SH M3x25 To tighten the screw you can also use the 107570 HUDY 17mm Wheel Nut Tool Cut off remaining material Cut off remaining material approx 52mm approx 37mm NOTE ORIENTATION NOTE ORIENTATION DETAIL NOTE ORIENTATION 901306 SB M3x6 901306 SB M3x6 ...

Page 45: ...xternal protective films 12 FINAL ASSEMBLY Cut the silicone tube depending on engine and muffler Use the plastic clips to hold the tubes together SILICONE TUBE MARKED AS BLUE FROM FUEL TANK TO CARBURETOR SILICONE TUBE MARKED AS RED FROM MUFFLER TO FUEL TANK TOP Keep fuel line away from clutchbell and flywheel 902308 SH M3x8 Apply 106240 HUDY air filter oil and follow the engine instructions to ser...

Page 46: ...s rubber from the edges of their lips Curved body scissors work the best Regularly inspect the amount of dirt on the felt protector in the shocks if present and regularly replace with a new one During regular shock operation oil naturally gets on the shock shaft and drop by drop slightly gets out of the shock body Shocks should be inspected regularly after each race and oil replaced as required 1 ...

Page 47: ... are not working properly Suspension is binding Improper tires Rebuild the shocks and replace worn or broken parts Make sure suspension moves freely Replace worn or broken parts Use different tires STEERING FEELS SLUGGISH OR VAGUE Suspension is binding Damaged steering servo Make sure suspension moves freely and replace worn or broken parts Check the steering servo for damage and wear and replace ...

Page 48: ... TeamXray TeamXray TeamXray XrayRacing TeamXrayRC XrayRacing RC AMERICA 2030 Century Center Blvd 15 Irving TX 75062 USA PHONE 214 744 2400 FAX 214 744 2401 xray rcamerica com ...