Xray XT4 Instruction Manual
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Xray XT4 Instruction Manual

1/10 luxury electric truggy
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I N S T R U C T I O N M A N U A L

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  • Page 1 I N S T R U C T I O N M A N U A L...
  • 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 reference, even after completing the assembly. Use only genuine and original...
  • 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 SYMBOLS USED Part bags used Assemble in the Assemble left and Pay attention Assemble as many Apply Apply CA glue Apply oil specified order right sides the here times as specified threadlock same way (here twice) Detail Apply cleaner Scale Apply grease Optional Ensure smooth...
  • Page 5 XRAY offers wide range of optional tuning parts which are listed in tables SAMPLE OF OPTIONAL PARTS like these.

  • Page 6: Front & Rear Differential

    1. FRONT & REAR DIFFERENTIAL BEVEL GEARS 941014 981210 #364935 GRAPHITE OPTION #364945 ALU OPTION 964031 #364955 STEEL INCLUDED 364961 304932 972050 304980 364910 964050 964050 304932 304990 972050 364990 981210 964031 364955 BEVEL & SATELITTE GEARS + PINS 941014 903258 #304932 + #304980 GRAPHITE INCLUDED 364961...
  • Page 7 1. FRONT & REAR DIFFERENTIAL Front diff Rear diff 30.000cSt 10.000cSt Silicone oil Silicone oil Fill just above the Fill just above the cross-pins. cross-pins. 964031 S 3.5x10x0.2 PROPER AMOUNT OF OIL IN THE DIFFS Use a digital scale to measure the exact amount of oil in the diff.
  • Page 8 1. GEAR CENTER DIFFERENTIAL 364970 364910 304930 981210 972050 304980 304990 304930 964050 CENTER DIFF SPUR GEARS 364911 #364978 78T/48 OPTION 964031 #364981 81T/48 INCLUDED 972050 981210 364981 903258 BEVEL & SATELITTE GEARS + PINS 364970 902306 #304930 + #304980 COMPOSITE INCLUDED #335030 + #335080 STEEL OPTION GRAPHITE...
  • Page 9 1. GEAR CENTER DIFFERENTIAL Center diff 100.000cSt Silicone oil Fill just above the cross-pins. 964031 S 3.5x10x0.2 PROPER AMOUNT OF OIL IN THE DIFFS Use a digital scale to measure the exact amount of oil in the diff. Remember that during operation Fill differential up to the top of the the diff gets hotter and the heat may allow the oil diff cross-pins.

  • Page 10: Rear Central Transmission

    OPTION 362003 DIFF BULKHEAD BLOCK SET REAR 902310 HEX SCREW SH M3x10 (10) 363083 XT4 GRAPHITE SHOCK TOWER REAR 3.5MM 940510 BALL-BEARING 5x10x4 RUBBER SEALED - OIL (2) 365124 STEEL BEVEL DRIVE GEAR 14T 940815 BALL-BEARING 8x14x4 RUBBER SEALED - OIL (2) 365230 DRIVE SHAFT COUPLING - HUDY SPRING STEEL™...
  • Page 11 NOTE ORIENTATION 5x10x4mm 940510 Bearing Oil BB 5x10x4 (HUDY #106230) ➊ ➍ 940815 BB 8x14x4 XRAY BALL-BEARINGS 8x14x4mm GRAPHITE GREASE #359050 5x10x4 GREASE OPTION (HUDY #106210) #940510 5x10x4 OIL INCLUDED #940814 8x14x4 GREASE OPTION ➋ THREAD LOCK #940815 8x14x4 OIL...

  • Page 12: Front Central Transmission

    OPTION 362002 DIFF BULKHEAD BLOCK SET FRONT 902310 HEX SCREW SH M3x10 (10) 362084 XT4 GRAPHITE SHOCK TOWER FRONT 3.5MM 940510 BALL-BEARING 5x10x4 RUBBER SEALED - OIL (2) 365124 STEEL BEVEL DRIVE GEAR 14T 940815 BALL-BEARING 8x14x4 RUBBER SEALED - OIL (2) 365230 DRIVE SHAFT COUPLING - HUDY SPRING STEEL™...
  • Page 13 8x14x4mm THREAD LOCK ➋ Marked “F” ➌ 940815 DETAIL BB 8x14x4 GRAPHITE GREASE ➎ (HUDY #106210) XRAY BALL-BEARINGS #359050 5x10x4 GREASE OPTION 981208 P 2x8 #940510 5x10x4 OIL INCLUDED #940814 8x14x4 GREASE OPTION #940815 8x14x4 OIL INCLUDED 902310 SH M3x10...

  • Page 14: Rear Suspension

    HEX SCREW SFH M3x12 (10)) 362478 ANTI-ROLL BAR 1.8 MM 323112-M XT4 COMPOSITE SUSPENSION ARM REAR LOWER - MEDIUM 363311 ALU REAR LOWER SUSP. HOLDER +2 - FRONT - 7075 T6 (5MM) 363321 ALU REAR LOWER SUSP. HOLDER +2 - REAR - 7075 T6 (5MM)
  • Page 15 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 16 3. REAR SUSPENSION 901308 SB M3x8 DETAIL 1.5mm ANTI-ROLL BARS 901303 #362470 1.0mm OPTION SB M3x3 #362471 1.1mm OPTION #362472 1.2mm OPTION 901304 #362473 1.3mm OPTION SB M3x4 STEP DETAIL ➌ #362474 1.4mm OPTION DETAIL #362476 1.6mm OPTION #362478 1.8mm INCLUDED 902308 #362480 2.0mm...

  • Page 17: Front Suspension

    BALL JOINT 4.9MM - OPEN (4) 367210 SUSPENSION PIVOT PIN (2) 306219 COMPOSITE SET OF SERVO SHIMS (4) 322112-M XT4 COMPOSITE SUSPENSION ARM FRONT LOWER - MEDIUM 901303 HEX SCREW SB M3x3 (10) 361200 COMPOSITE BUMPER - V2 901304 HEX SCREW SB M3x4 (10)
  • Page 18 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 19 3. FRONT SUSPENSION 901308 DETAIL SB M3x8 1.5mm 902308 SH M3x8 STEP DETAIL ➌ ANTI-ROLL BARS DETAIL #362470 1.0mm OPTION 901303 SB M3x3 #362471 1.1mm OPTION #362472 1.2mm OPTION #362473 1.3mm OPTION 901304 SB M3x4 #362474 1.4mm OPTION #362476 1.6mm OPTION #362478 1.8mm INCLUDED...

  • Page 20: Rear Transmission

    ALU REAR HUB PLATE FOR MULTI ADJ. UPRIGHT - 1-HOLE 94 1014 BALL-BEARING 10x15x4 RUBBER SEALED - GREASE (2) 32 5316 XT4 REAR DRIVE SHAFT 92MM WITH 2.5MM PIN - SPRING STEEL™ 96 0030 NUT M3 (10) 32 5340 REAR DRIVE AXLE LB - HUDY SPRING STEEL™...
  • Page 21 P 2x10 Bearing with BLACK Rear - more traction Rear - less traction rubber covers Front - more steering Front - less steering 902205 XRAY BALL-BEARINGS SH M2x5 REAR UPRIGHTS #940512 5x12x4 OIL OPTION #323354-H HARD INCLUDED #941015 10x15x4 OIL...
  • Page 22 4. REAR TRANSMISSION 306219 Use 0.1mm or 0.3mm shim SHIM 3x6x2 LONGER WHEELBASE (INITIAL SETTING) to adjust the play. Adjustment Shim IN FRONT OF HUB moves hub rearward. 902254 3x6x0.1mm SH M2.5x4 3x6x0.3mm 961025 S 2.5 3x6x2mm SHORTER WHEELBASE Adjustment Shim BEHIND HUB moves hub forward.

  • Page 23: Front Transmission

    ADJ. TURNBUCKLE M3 L/R 70 MM - SPRING STEEL (2) 365353 ALU WHEEL HUB 12MM (2) 325317 XT4 FRONT DRIVE SHAFT 99MM WITH 2.5MM PIN - HUDY SPRING STEEL™ 365470 COMPOSITE DRIVE SHAFT SAFETY COLLAR (3) 327220 FRONT ARM PIVOT PIN (2) 362210-H COMPOSITE C-HUB 9°...
  • Page 24 ➍ #106210 HUDY GRAPHITE GREASE SHORT AXLE #106213 HUDY JOINT GREASE - OPTION Use HUDY Ball-Bearing Grease #106220 - STANDARD #106221 - BLUE #106222 - RED 359050 BB 5x10x4 XRAY BALL-BEARINGS #940510 5x10x4 OPTION 5x10x4mm #940512 5x12x4 OPTION #359050 5x10x4...
  • Page 25 4. FRONT TRANSMISSION Check for free movement 902254 SH M2.5x4 961025 S 2.5 S 2.5 TIGHTEN TIGHTEN GENTLY GENTLY (HUDY #107633) ARM REAMER S 2.5 If the C-hub does not move freely, use a HUDY Arm Reamer to resize the hole. 52.5mm THREAD THREAD...

  • Page 26: Front & Rear Assembly

    4. FRONT & REAR ASSEMBLY #361295 COMPOSITE CHASSIS BRACE REAR - MEDIUM 902316 902310 #361179 BRASS CHASSIS BRACE REAR (40g) 361178 902308 361182 902312 361298 960030 960030 961032 361296 #361294 361320 COMPOSITE CHASSIS BRACE FRONT - MEDIUM 960030 361297 361269-H 961032 #361269-M 361269-H...
  • Page 27 4. FRONT & REAR ASSEMBLY #361269-M COMPOSITE CHASSIS SIDE GUARDS L+R (MEDIUM) 903308 SFH M3x8 903310 SFH M3x10 The medium side guards increase chassis flex and are recommended for low-traction tracks. #361106 ALU CHASSIS - SWISS 7075 T6 (2.5MM) 903314 SFH M3x14 3x10mm 960030...
  • Page 28 4. FRONT & REAR ASSEMBLY 3x16mm 902314 SH M3x14 After you mount the rear suspension assembly to the chassis, fully tighten all 4 screws that were previously left untightened (page 25, step 2). 902316 SH M3x16 903310 SFH M3x10 DETAIL 3x12mm 902312 SH M3x12...
  • Page 29 5. STEERING 903316 332660 362571 322611 363241 303123 363241 363241 332660 332660 903318 322611 902308 903316 903318 332660 902310 363241 361174 940508 303125 362540 362290 362510 303125 362290 #362510-G COMPOSITE SERVO SAVER - GRAPHITE 940508 902310 362510 362510 332540 #362574 902310 ALU STEERING PLATE 2-HOLE 970100...
  • Page 30 5. STEERING INITIAL PRELOAD SETTING DETAIL THREAD LOCK 3~4mm 970100 O 10x1.5 CLEANER SERVO SAVER NOTE ORIENTATION STEERING PLATES #362571 HARD INCLUDED #362571-G GRAPHITE OPTION #362574 OPTION 902310 SH M3x10 Increases steering precision and predictability and is recommended for use in high-traction conditions.
  • Page 31 5. STEERING 3x10mm SH 303125 SHIM 3x6x3 902310 SH M3x10 3x6x3mm 903310 SFH M3x10 3x10mm SFH 51.5mm THREAD Install the pivot balls with Professional Multi Tool (HUDY #183011) THREAD 303125 SHIM 3x6x2 NOTE ORIENTATION Adjustment block towards outside 3x16mm 903316 SHIM 3x6x2mm SFH M3x16 view...

  • Page 32: Slipper Clutch Assembly

    6. SLIPPER CLUTCH ASSEMBLY 902308 361320 902308 941015 361187 364901 903308 902318 361175 941015 364023 364013 #364024 903308 ALU CENTRAL BULKHEAD 903308 361175 GRAPHITE CENTER UPPER DECK 2.0MM - V2 361187 GRAPHITE REAR UPPER BRACE 2.0MM 361320 BODY MOUNT, BATTERY MOUNT - V2 & WING SHIM (2) 364013 ALU MOTOR BULKHEAD - LOWER 364023...
  • Page 33 6. SLIPPER CLUTCH ASSEMBLY ALTERNATIVE 2 REARWARD WEIGHT POSITION (OPTION) TIGHTEN GENTLY 902318 SH M3x18 NOTE ORIENTATION 903308 SFH M3x8 (95mm) #365425 Central Drive Shaft 95mm #365428 Central Drive Shaft 82mm 95mm - HUDY Spring Steel™ (82mm) 82mm - HUDY Spring Steel™ #364024 REARWARD WEIGHT ALU CENTRAL BULKHEAD...
  • Page 34 6. SLIPPER CLUTCH ASSEMBLY 903308 SFH M3x8 902308 SH M3x8...

  • Page 35: Shock Absorbers

    7. SHOCK ABSORBERS PISTONS DETAIL holes holes holes (Create custom holes) (1.6mm) (1.7mm) (0mm - use required drill pin) Thick Shim Thin Shim Thick Shim 368010 holes holes holes (Create custom holes) 965023 (1.6mm) (1.7mm) (0mm - use required drill pin) 368031 368260 These pistons can NOT...
  • Page 36 7. SHOCK ABSORBERS ➋ ➌ There are two different thickness shims, use them as shown. Use the same procedure when 965023 ➊ C 2.3 building both front and rear shocks. THICK Shim 2 holes (1.6mm) 970080 O 8x1 O-ring O-ring INITIAL PISTON 972031 O 3x2.1...
  • Page 37 7. SHOCK ABSORBERS DEFAULT SHOCK REBOUND SETTING 0% REBOUND Follow the steps below to set the shock rebound to the default setting of 0%. FRONT (SHORT) TIGHTEN FULLY 650cSt 902205 REAR (LONG) SH M2x5 450cSt 3~5x UP & DOWN ➊ ➋...

  • Page 38: Final Assembly

    365718~38 ALU PINION GEAR HARD COATED 18~38T/48 (OPTION) 363510 LEXAN REAR WING (2) 366050 COMPOSITE RADIO PLATE - V2 369707 XRAY XT4 BODY 366114 COMPOSITE BATTERY STRAP - LONG 329912 STADIUM TRUCK WHEEL AERODISK WITH 12MM HEX - WHITE (2) 366115...
  • Page 39 8. FINAL ASSEMBLY SHOCKS INITIAL POSITION DETAIL 960030 N M3 ➋ ➊ ➍ DETAIL 902312 SH M3x12 NOTE ORIENTATION INITIAL POSITION ALU NUTS M3 ➌ #296530-B BLUE OPTION #296530-K BLACK OPTION #296530-O ORANGE OPTION SHOCKS #960030 STEEL INCLUDED ALTERNATIVE 1 #960031 SILVER OPTION 960030...
  • Page 40 8. FINAL ASSEMBLY SERVO LINK Adjust servo link to fit your servo. 28mm THREAD THREAD 6mm THREAD Install the pivot balls with Professional 6mm THREAD Multi Tool (HUDY #183011) HUDY ALU SERVO HORNS #293497 902308 Servo #293498 SH M3x8 (NOT INCLUDED) #293499 NOTE HUDY CLAMP ALU SERVO HORNS...
  • Page 41 8. FINAL ASSEMBLY Pinion 902310 (NOT INCLUDED) SH M3x10 NOTE ORIENTATION PINIONS #365718 18T / 48P #365719 19T / 48P #365720 20T / 48P #365721 21T / 48P #365722 22T / 48P #365723 23T / 48P #365724 24T / 48P #365725 25T / 48P #365726...
  • Page 42 8. FINAL ASSEMBLY Speed Controller (NOT INCLUDED) 903308 SFH M3x8 903310 SFH M3x10 Double-sided Tape HUDY #107875 (NOT INCLUDED) 3x8mm 3x10mm Receiver (NOT INCLUDED) Feed the receiver wire into the antenna tube Double-sided Tape HUDY #107875 (NOT INCLUDED) Self-adhesive Foam Strip (#107871 HUDY)
  • Page 43 ➑ BODY REAMER (HUDY #107600) WING CUTTING LINE OPTIONS #323515 INITIAL POSITION LEXAN REAR WING LESS TRACTION CENTER FIN - ZAP (2) MORE TRACTION XRAY LEXAN REAR WINGS #323510 1.0mm OPTION #323511 1.5mm OPTION #323513 1.0mm RANK OPTION #323517 1.0mm OPTION #363510 1.0mm...
  • Page 44 8. FINAL ASSEMBLY 902310 SH M3x10 981212 P 2x12 Double-sided Velcro™ tape is used to seal the body against the side guards. VELCRO™ TAPE WITH DOUBLE-SIDED TAPE (Velcro™ tape - soft side) (Velcro™ tape - hook side)
  • Page 45 8. FINAL ASSEMBLY 960240 N M4 Tires & Inserts (NOT INCLUDED) OPTIONAL ALU WING SHIMS #293561 SILVER OPTION #293561-O ORANGE OPTION 903308 SFH M3x8...
  • Page 46 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 47 NOTE...
  • 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...

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