Xray XT8, Instruction Manual

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Page 2: ...h paints and or cement if used not included in kit Immediately after using your model do NOT touch equipment on the model such as the motor and speed controller because they generate high temperatures...

Page 3: ...e right to make the final determination of the warranty status of any component or part Limitations of Liability XRAY makes no other warranties expressed or implied XRAY shall not be liable for any lo...

Page 4: ...k Oil Silicone Diff Oil Air Filter Oil 5 cell 1200NiMh Receiver Pack Transmitter 21 Engine Manifold Exhaust Glow Plug Igniter Starter Box Battery Pack Steering and Throttle Servos Battery Charger Tran...

Page 5: ...G 2 HUDY SPRING STEEL 35 5080 DIFF PIN 2 35 5090 DIFF GASKET 4 90 3312 HEX SCREW SFH M3x12 10 94 0816 HIGH SPEED BALL BEARING 8x16x5 BLUE COVERED 2 96 4030 WASHER S 3 5x12x0 2 10 96 4060 WASHER S 6x18...

Page 6: ...ng the crown gears 32 15 32 30 mm OIL Use LONG diff outdrive for FRONT differential Use SHORT diff outdrive for REAR differential Use LONG diff outdrive for FRONT differential Use SHORT diff outdrive...

Page 7: ...KET 4 90 3312 HEX SCREW SFH M3x12 10 94 0816 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...

Page 8: ...should have a length of 32 15 32 30 mm measured from the ends of the installed ball bearings If differential is longer retighten the 4 screws holding the spur gear 32 15 32 30 mm OIL CENTER DIFFERENTI...

Page 9: ...SPRING STEEL 35 5608 XT8 CVD UNIV CENTR DRIVE SHAFT SET HUDY SPRING STEEL 35 5680 XT8 UNIVERSAL CENTRAL CVD DRIVE SHAFT HUDY SPRING STEEL 90 1404 HEX SCREW SB M4x4 10 90 1504 HEX SCREW SB M5x4 10 90...

Page 10: ...D SHAFT UNIVERSAL JOINT HUDY SPRING STEEL 35 5608 XT8 CVD UNIV CENTR DRIVE SHAFT SET HUDY SPRING STEEL 35 5680 XT8 UNIVERSAL CENTRAL CVD DRIVE SHAFT HUDY SPRING STEEL 90 1404 HEX SCREW SB M4x4 10 90 1...

Page 11: ...ide play this may create non optimal gear mesh between the diff spur 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 b...

Page 12: ...SCREW SB M3x3 10 90 1305 HEX SCREW SB M3x5 10 90 1312 HEX SCREW SB M3x12 10 90 1408 HEX SCREW SB M4x8 10 90 2318 HEX SCREW SH M3x18 10 90 3308 HEX SCREW SFH M3x8 10 90 9372 SCREW PHILLIPS SS 3 5x22 1...

Page 13: ...EEL 35 5239 CVD DRIVE SHAFT COUPLING 35 5250 ALU WHEEL AXLE HARD COATED 2 35 5280 XT8 UNIVERSAL CVD DRIVE SHAFT HUDY SPRING STEEL 35 7330 REAR LOWER OUTER PIVOT PIN 2 90 1404 HEX SCREW SB M4x4 10 90 1...

Page 14: ...2 INITIAL POSITIONS INITIAL POSITIONS 58 mm DETAIL Use tools to tighten as shown INITIAL POSITIONS Follow the TECH TIP on page 11 to install the pivot balls Note location of notch Note location of not...

Page 15: ...ITH GROOVE F R 2 90 1303 HEX SCREW SB M3x3 10 90 1305 HEX SCREW SB M3x5 10 90 1312 HEX SCREW SB M3x12 10 90 1408 HEX SCREW SB M4x8 10 90 2318 HEX SCREW SH M3x18 10 90 3308 HEX SCREW SFH M3x8 10 90 937...

Page 16: ...RIVE AXLE HUDY SPRING STEEL 35 5239 CVD DRIVE SHAFT COUPLING 35 5280 XT8 UNIVERSAL CVD DRIVE SHAFT HUDY SPRING STEEL 35 5250 ALU WHEEL AXLE HARD COATED 2 35 7220 FRONT UPPER PIVOT PIN 2 35 7230 FRONT...

Page 17: ...t ball into arm until it snaps into place Remove 3x5 screw holding composite bushing in arm Push out the pivot pin from the rear to remove the composite bushing DISASSEMBLY Notch goes to outside INITI...

Page 18: ...HARDCOATED SWISS 7075 T6 3MM 35 1200 FRONT REAR BUMPER 35 3089 COMPOSITE REAR BRACE V2 90 2312 HEX SCREW SH M3x12 10 90 3312 HEX SCREW SFH M3x12 10 90 3412 HEX SCREW SFH M4x12 10 96 0030 NUT M3 10 BAG...

Page 19: ...19 903312 SFH M3x12 902312 SH M3x12 903412 SFH M4x12 960030 N M3 FRONT REAR ASSEMBLY SFH M3x12 SH M3x12 DETAIL...

Page 20: ...663 RELIEF STEERING BALL JOINT 5 8MM FOR M4 2 90 3308 HEX SCREW SFH M3x8 10 90 3310 HEX SCREW SFH M3x10 10 90 3312 HEX SCREW SFH M3x12 10 90 3314 HEX SCREW SFH M3x14 10 90 3410 HEX SCREW SFH M4x10 10...

Page 21: ...SFH M4x10 903310 SFH M3x10 960030 N M3 903312 SFH M3x12 960030 N M3 STEERING 2x L R 3x10 3x8 3x8 3x12 L R 4x10 FASTEN TIGHTLY 65 5 mm Tighten all steering fasteners securely 3x14 INITIAL POSITION 3x1...

Page 22: ...TILATED BRAKE DISK LASER CUT PRECISION GROUND 35 4120 STEEL BRAKE PAD LASER CUT 4 35 4130 BRAKE PAD FERODO 4 90 1304 HEX SCREW SB M3x4 10 90 2316 HEX SCREW SH M3x16 10 90 2330 HEX SCREW SH M3x30 10 90...

Page 23: ...8 903412 SFH M4x12 CENTER DIFF BRAKE NOTE ORIENTATION Before inserting 3x30 long screws loosen the four flat head screw in the upper graphite plate by 1 2 turn Tighten all screws after assembly NOTE O...

Page 24: ...90 1405 HEX SCREW SB M4x5 10 90 2308 HEX SCREW SH M3x8 10 90 2316 HEX SCREW SH M3x16 10 90 3310 HEX SCREW SFH M3x10 10 90 3410 HEX SCREW SFH M4x10 10 90 8312 HEX SCREW CAP HEAD 3x12 10 96 0030 NUT M3...

Page 25: ...iate shims to achieve proper clutchbell endplay Note the orientation of the clutch shoes The short side of spring must be in the groove of the flywheel nut CUT AWAY FOR MUFFLER OUTLET Make 3mm holes a...

Page 26: ...M3x10 10 90 2312 HEX SCREW SH M3x12 10 90 3308 HEX SCREW SFH M3x8 10 90 3310 HEX SCREW SFH M3x10 10 90 7206 SCREW PHILLIPS 2x6 10 96 0030 NUT M3 10 Left thread Right thread Ball joints must be 90 to e...

Page 27: ...0 SH M3x10 SFH M3x8 SH M3x10 SH M3x8 SFH M3x8 KO PROPO SANWA FUTABA Use appropriate servo stands Route steering servo lead behind lead clamp Servo screw NOTE ORIENTATION Routeservoleadsthrough this ga...

Page 28: ...on The self locking nut is overtightened causingdistortion of the piston This will negatively affect the free movement of the piston in the shock body Grip the shock rod at top of exposed threads with...

Page 29: ...should not extend out by itself when pushed in and released If this happens extend the shock rod loosen the top collar and then slightly push the shock rod into the shock body Excess oil should escape...

Page 30: ...9400 BODY CLIP 10 35 9720 XRAY BODY FOR 1 8 TRUGGY 35 9830 TRUGGY WHEELS STARBURST AERODISK WHITE 4 35 9930 XRAY TRUGGY PIN TIRE THRAX FOAM INSERTS 2 90 1303 HEX SCREW SB M3x3 10 90 2308 HEX SCREW SH...

Page 31: ...20 3x22 L R 3x10 Brake rod Throttle rod REAR SHOCKS LONG INITIAL POSITIONS Thread brake rods into plastic pivots until flush with outer end INITIAL POSITIONS 3x14 SILICONE TUBING 10mm Brake rod Tighte...

Page 32: ...M3x8 FINAL ASSEMBLY Cut the silicone tube depending on engine and muffler Use the plastic clips to hold the tubes together The fuel filter has a small hole that fits into notch on the composite holder...

Page 33: ...NOT adjust the linkage with the engine running NEUTRAL IDLE FULL THROTTLE Adjust the servo horn mounting position for the carburetor to open fully Change the pivot mounting position on the servo horn...

Page 34: ...n or replace clogged part s Properly install pressure line between muffler and fuel tank Car is hard to control Weak transmitter and or receiver batteries Low reception from radio antennas Servo linka...

Page 35: ...the model car onto the starter box to start the engine If the engine is new follow the instruction manual and be sure to break in the new engine properly 9 When the engine is running remove the glow i...

Page 36: ...s conditions You can use the XRAY XT8 Set Up Sheet to record your data and set ups or visit www teamxray com where in the Set up Section you can upload your own set ups This set up section describes h...

Page 37: ...holes there are three pistons with holes of different sizes Piston hole size Characteristics Smaller harder damping slower chassis weight transfer slower response decreases chance of bottoming out wh...

Page 38: ...ngs Characteristics Softer more chassis roll more traction better on bumpy tracks increases chance of bottoming out when landing Stiffer less chassis roll less traction more responsive better on smoot...

Page 39: ...o control Note that you can also change the camber gain by shortening or lengthening the length of the upper camber linkages and angling them differently by placing the end ball joints in the differen...

Page 40: ...20 To obtain this total caster range use the following I S S parts 352311 Front plate 352320 Rear plate 352315 Eccentric inserts 357212 Inner pins 352174 Caster bushings 1 or 352175 Caster bushings 2...

Page 41: ...IN 2 2 5 3 3 5 4 2 4 1 1 5 5 0 0 5 5 1 1 LEFT SIDE MUST BE OPPOSITE TO THE RIGHT SIDE rear plate 353312 front plate 353323 rear plate 352315 eccentric bushings 357212 lower inner pins The bushings in...

Page 42: ...left and right sides of the car Wheelbase Characteristics Shorter wheelbase less spacers in front of rear upright increases rearward weight transfer during acceleration increases on power traction qui...

Page 43: ...ower increases stability at lower speeds Forward decreases rear traction Rearward increases rear traction Flatter angle level jumping or nose diving Steeper angle increases traction at higher speeds l...

Page 44: ...TURTLE CREEK BLVD SUITE C DALLAS 752 07 TEXAS USA PHONE 214 744 2400 FAX 214 744 2401 xray rcamerica com RC AMERICA 167 TURTLE CREEK BLVD SUITE C DALLAS 752 07 TEXAS USA PHONE 214 744 2400 FAX 214 74...