Ofna Racing Ultra LX 2e RTR Instruction Manual
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Ofna Racing Ultra LX 2e RTR Instruction Manual

1/8th electric buggy
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Summary of Contents for Ofna Racing Ultra LX 2e RTR

  • Page 3 OVERVIEW Components Transmitter Servo Brushless Motor,1900KV Brushless Electric Speed Controller (30693) ( 30694) Receiver Radio System Radio Control Car 40991 Parts Bag TOOLS NOT INCLUDED IN THE KIT Screw Cement Screw Cement Body Reamer Instant Cemment GEAR GREASE Cutter Curved Scissors Gear Grease Precision Caliper Needle Nosed Pliers...
  • Page 4 ATTENTION •Before plugging in your batteries and turning on your radio please read this page! 1. Check your brake and throttle dial on transmitter, and make sure it at MAX. Brake Forward 2. Turn on your transmitter. 3. Plug in your two 7.4v Lipo batteries. 4.
  • Page 6 HNT-3 2.4GHz RADIO SYSTEM OVERVIEW HNT-3 Transmitter 1.Transmitter Antenna *Carefully read the instruction manual of your 2.Servo Reverse Switches radio controller before using and keep it in a safe place as a reference introduction in the future. 3.TX RF Module And Binding Button 4.Power LED 5.Power Switch 6.Steering Dual Rate Trim LED...

  • Page 7: Step

    CAUTION • To use your Radio with your models correctly and safely, read this manual carefully and keep it in a safe place for future reference. Warning: 1. This product is only equipped for radio controlled cars; 2. The usage of this product should be approved by local law or regulations; 3.
  • Page 8 AUX Channel Function (CH3) •This switch control the transmitter’s third channel. A servo plugged in this Channel 3 will move to full travel in one direction when the switch is in the “AUX” position, then move the switch to the “OFF” position the servo will move in the opposite position .
  • Page 9 CHECKING YOUR DUAL RATE •To Check Your Dual Rate: 1. Turn your radio “ON” then turn “ON” your vehicle. 2. Check your steering on your radio by turning left and right several times. 3. Now turn your steering wheel all the way to the left or right whichever you choose and hold it while pushing the “DEC”...

  • Page 10: Steering Trim

    Steering Trim Please turn on your transmitter, plug in your battery and turn on your esc while making the adjustment of these settings. 1.Connect the receivers, servos, and other components and then turn on the power switches of the transmitter and receiver. 2.Be sure the steering trim and throttle trim on the transmitter are at their neutral position.
  • Page 11 Handling Procedure For Batteries Handling Procedure For Batteries NOTICE THE DIRECTION OF BATTERY COVER •Battery Replacement 1) Remove the battery cover from the transmitter by sliding it in the direction of the arrow. 2) Remove the used batteries. 3) Load the new 8 AA size alkaline, or Nickel Metal Hydride (NimH) rechargeable batteries, and pay very close attention to the polarity marking on the batteries.
  • Page 13 PLASTIC PARTS FOR USE 40536 30751 30751 30761 FRONT C HUB DIFF. CASE DIFF. CASE DIFF. CASE FRONT & REAR CENTER 34063 30010 REAR LOWER ARM FRONT AND REAR GEAR BOX 30657 FRONT LOWER ARM 36020 30351 30240 40643 FRONT UPPER ARM REAR LOWER ARM HOLDER BUMPER SHOCK PLASTIC PARTS...
  • Page 14 PLASTIC PARTS FOR USE 30674 30686 30270 SERVO SAVER FRONT STIFFENER WING STAY 16015 WING 41033 30662BATTERY CASE STONE GUARD SYMBOLS USED THROUGHOUT THE INSTRUCTION MANUAL Degrease With Do Not Ensure Free Contact Adhesive Tighten Ensure Parts Bag Used Motor Spray Over Tighten Movement Free...

  • Page 15: Table Of Contents

    ASSEMBLY OF THE FRONT AND REAR DIFF. Build two differentials for front and rear. 30901 Step 1 Step 2 30901 30620 30620 30751 94034 30751 4x4mm ..x2 Set Screw 30777 30777 30780 30769 30121 30769 3x5mm Screw ..x8 30779 4x4mm 30780 94004 3x12mm...

  • Page 16: X12Mm

    ASSEMBLY OF THE CENTER DIFF. MOTOR MOUNT 3x10mm 3x12mm 30653 Note: The width of the holes for front diff. Mount. 30675 94003 3x10mm ..x2 Hex Screw 94004 3x12mm ..x2 30201 Hex Screw ASSEMBLY OF THE FRONT GEAR CASE Step 1 Step 2 5x4mm 4x12mm...

  • Page 17: Set Screw

    ASSEMBLY OF THE KNUCKLE ARMS Assemble both right and left side. Step 1 Step 2 40520 94034 4x4mm ..x2 36053 Set Screw 36053 94042 ..x4 Step 3 Nylon Nut 40536 34053 40528 40527 40527 Knuckle Arm Bushing ..x4 36055 40528 King Pin Screw ..x4 40527...

  • Page 18: Set Screw

    ASSEMBLY OF THE FRONT STABILIZER Assemble both right and left side. Step 1 Step 2 94033 3x3mm ..x2 Set Screw 94035 3x8mm ..x2 Set Screw 94002 3x8mm ..x2 Hex Screw 3x3mm 3x8x0.8mm 94006 30341 3x18mm ..x2 Hex Screw 40199 3x18mm 3x8mm 34027 3x8x0.8mm...

  • Page 19: Set Screw

    ASSEMBLY OF THE SERVO SAVER ONTO GEAR CASE Step 1 Step 2 3x15mm 3x15mm 40039 3x10mm 94003 3x10mm ..x2 Hex Screw 40039 3x15mm 94021 3x15mm ..x4 Flat Head Hex Screw 40039 40039 Tapered Washer(Alum.) ..x4 ASSEMBLY OF THE REAR GEAR CASE Step 2 Step 1 5x4mm...

  • Page 20: Set Screw

    ASSEMBLY OF THE REAR GEAR CASE Step 1 Step 2 41009 3x20mm 34033 30270 94019 3x10mm ..x1 Flat Head Hex Screw 30270 41010 41009 94006 3x18mm 3x18mm ..x2 30270 Hex Screw 30270 3x10mm 94007 30270 3x20mm ..x4 Hex Screw 30270 41010 3x20mm 41009...

  • Page 21: Set Screw

    ASSEMBLY OF THE REAR LOW ARMS INTO GEAR BOX Assemble both right and left side. Step 1 Step 2 94041 ..x4 3mm Nylon Nut 3x18mm 90021 ..x4 3mm E-Ring 3x25mm 94006 ..x2 3x18mm Hex Screw 36171 94008 ..x2 3x25mm 34054 Hex Screw ASSEMBLY OF THE REAR STABILIZER 3x8x0.8mm...

  • Page 22: X12Mm

    ASSEMBLY OF THE FRONT GEAR CASE ONTO CHASSIS 94019 ..x2 3x10mm Flat Head Hex Screw 30240 94023 ..x2 3x25mm 30676 Flat Head Hex Screw 94026 ..x2 4x12mm Flat Head Hex Screw 4x12mm 4x16mm 94027 3x10mm ..x4 4x16mm 4x16mm Flat Head Hex Screw 3x25mm ASSEMBLY OF THE CENTER DIFF.
  • Page 23 ASSEMBLY OF THE REAR GEAR CASE ONTO THE CHASSIS Insert drive shaft into cap joint before assembling 36100 (86.5mm) center diff. 94023 3x25mm ..x2 Flat Head Hex Screw 4x16mm 3x25mm 4x16mm 94027 4x16mm ..x4 Flat Head Hex Screw ASSEMBLY OF THE STONE GUARD Assemble both right and left side.

  • Page 24: Step

    ASSEMBL OF THE REAR CENTER BRACE 3x12mm 30686 30686 4x20mm 94042 ..x2 4mm Nylon Nut 94004 3x12mm ..x2 Hex Screw 94012 ..x1 4x20mm 4x16mm Hex Screw 94027 4x16mm ..x1 Flat Head Hex Screw ASSEMBLY OF THE MAGIC TAPE INTO BATTERY CASE Step 1 Step 2 30662...

  • Page 25: Step

    ASSEMBLY OF THE ELECTRIC SPEED CONTRTOL Double side tape Electronic Speed Control 30693 90AMP ESC ASSEMBLY OF THE BATTERY TRAY BRIDGE ONTO BATTERY CASE 3x8mm 3x10mm 30662 94002 30662 3x8mm ..x2 Hex Screw 94003 30662 ..x2 3x10mm Hex Screw ASSEMBLY OF THE ELECTRIC SPEED CONTROL WIRE INTO RADIO CASE Step 1 Step 2...
  • Page 26 ASSEMBLY OF THE STEERING SERVO ONTO RADIO CASE 3x10mm 3x8x0.8mm 3x10mm 3x8x0.8mm Steering Servo 94003 ..x4 3x10mm Hex Screw 30662 94040 ..x4 3x8x0.8mm Washer ASSEMBLY OF THE SERVO WIRE INTO RADIO CASE ASSEMBLY OF THE BATTERY CASE ONTO CHASSIS 94019 3x10mm ..x3 Flat Head Hex Screw...
  • Page 27 ASSEMBLY OF THE RADIO CASE ONTO CHASSIS 3x10mm 3x10mm 94019 3x10mm ..x4 Flat Head Hex Screw ASSEMBLY OF THE RECEIVER INTO RADIO CASE 30560 Antenna Wire 3x8mm 40642 Please carefully read the Receiver Instruction 37410 Manuals before installation. 30662 *Plug in your speed controller 30662 Do not cut or shorten antenna wire.

  • Page 28: X4Mm

    MOTOR INSTALL Electric Motor (30694) Step detail *Approx. 20mm 30665-(14T) 4x4mm 94034 ..x1 4x4mm Set Screw MOTOR INSTALL Do Not Over Tighten 94038 3x12mm ..x2 3x12mm Cap Screw 3x8x0.8mm 94040 30694 3x8x0.8mm ..x2 Tighten the 3x12mm screw BRUSHLESS MOTOR Washer temporary.
  • Page 29 ASSEMBLY OF THE SHOCKS Assemble both left and right sides. 40060 40060 2.6x6x0.5mm Step detail 2.6x6x0.5mm 41011 Hold the shock rod at top of exposed 41011 thread with side cutting needle nosed pliers. 2.6x6x0.5mm Be careful not to damage the shock shaft.
  • Page 30 ASSEMBLY OF THE SHOCKS Assemble both left and right sides. Step 1 Step 2 41007 41006 Step detail Fit the o-ring into groove before assembly. 41007 P10 O-RING ..x4 FRONT SHOCK REAR SHOCK ASSEMBLY OF THE SHOCKS Assemble both left and right sides. 30403 Step detail Step detail...
  • Page 31 SETTING THE SHOCK REBOUND TO 50% & 0% (MEDIUM REBOUND & LOW REBOUND) TIGHTENED HALF WAY 50% TIGHTENED 100% TIGHTENED HALF WAY 50% TIGHTENED 100% Step 1 Step 2 Step 3 Step 1 Step 2 Step 3 ASSEMBLY OF THE SHOCKS SPRING Step 2 Step 3 Step 1...
  • Page 32 ASSEMBLY OF THE TIRES AND WHEELS Step 2 Step 1 Make four tires that are the same. 80025 Step detail Agglutination place Step 3 Use CA or “ Instant glue " and draw a round the rim where it attaches the tire . When it is dry glue the other side of the rim.
  • Page 33 BATTERY INSTALL If use hard case battery , make a hole as picture shown. 15mm Follow the manual instruction provided by ESC manufacturer to install the wire. MAKING HOLES AND CUTTING ON THE BODY SHELL Body Reamet (not included) For electric speed control cooling hole. Step 1 Step 2 10806 BLACK...
  • Page 34 PAINTING BODY SHELL Mask the windows on the inside with masking tape. PAINTING BODY SHELL Paint the body with polycarbonate spray paints. When the paint is dry, remove the masking tape. When you have finished painting, peel off the external protective films. MOUNTING THE BODY SHELL 31159 31159...

  • Page 35: Exploded View

    ULTRA LX2 ELECTRIC POWERED EXPLODED VIEW 30540 30686 36740 36741 30361 36740 36743 36742 30361 36742 36850 36740 30658 36700 36790 36740 40038 36700 40039 30380 30151 30102 30151 30655 30689 41010 30010 30082 30403 36020 30130 36861 36850 36690 40199 30657 30010...
  • Page 36 30560 40642 30662 30662 30665-(14T) 30662 37410 36100 (86.5mm) 30661 30411 30675 30653 30662 30401 38280(3x36mm) 30662 30661 36100 (90mm) 30401 30201 30411 30676 41033 30769 30773 30769 30662 30663 30777 30911 30761 30620 30662 30911 30620 30110 30761 30777 30769...
  • Page 37 41010 30270 30649 30270 16015 34033 36861 30270 36850 40065 30403 36850 30351 30351 34027 30341 36082 30010 40550 30686 30130 30686 40102 34054 40199 36081 30656 30403 34063 40102 30082 30010 36171 34055 36171 FRONT SHOCK ASSEMBLY 40058 30773 30769 30769 41015...
  • Page 38 SETTING GUIDE FRONT CAMBER ANGLE SETTING REAR CAMBER ANGLE SETTING Positive Negative Positive Negative Turnbuckle Turnbuckle Place the model car on flat surface. Raise the chassis to its maximum clearance before the wheels leave the ground. Adjust the length of the front and rear upper arms so that the wheels are vertical to the ground.
  • Page 39 34301 ULTRA LX2e RTR PARTS LIST OFNA DESCRIPTIONS RETAIL OFNA DESCRIPTIONS RETAIL 16015 HI FORCE WING, 1/8 WHITE 15.95 34055 PINS, LOWER REAR ARMS 3x42.6mm 15.95 30010 GEARBOX, ULTRA SERIES 14.95 34063 FRONT & REAR LOWER ARMS 13.95 30082 CAP JOINTS, 6mm, 2 PCS. 9.95 36020 FRONT UPPER ARMS, 2 PCS.
  • Page 40 34301 ULTRA LX2e OPTION PARTS OFNA DESCRIPTIONS RETAIL 10231 DIFF OIL,SILICON 1000 WT 8.95 10232 DIFF OIL,SILICON 3000 WT 8.95 10233 DIFF OIL,SILICON 5000 WT 8.95 10234 DIFF OIL,SILICON 7000 WT 8.95 10235 DIFF OIL,SILICON 10,000 WT 9.95 10236 DIFF OIL,SILICON 30,000 WT 9.95 10237 DIFF OIL,SILICON 50,000 WT...
  • Page 41 TO: OFNA TECHNICAL SUPPORT 7 VANDERBILT, IRVINE, CA 92618 TODAY’S DATE: month________day______ 1. Print out form. 2. Fill out the form completely. 3. Make a copy of purchase receipt. All replacements/repairs will not be processed, unless accompanied by proof that item(s) was purchased in the last 30 days. 4.
  • Page 43 OFNA Racing congratulates you on your purchase of our fine OFNA Product. With proper maintenance and han- dling this kit will provide many hours of enjoyment. The registration card should be filled out and mailed to OFNA Racing within 10 days of purchase date. IMPORT ANT!

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