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Ofna Racing CD-3 SPORT RTR Assembly Instructions Manual
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Ofna Racing CD-3 SPORT RTR Assembly Instructions Manual

1/1- nitro 4wd touring car kit
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CD-3 SPORT RTR and PRO RTR
ASSEMBLY INSTRUCTIONS

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Summary of Contents for Ofna Racing CD-3 SPORT RTR

  • Page 1 CD-3 SPORT RTR and PRO RTR ASSEMBLY INSTRUCTIONS...

  • Page 2: Required For Operation

    REQUIRED FOR OPERATION You will need to buy a few items to start the engine and run the car. THINGS NEEDED • Use 20% nitro CAR fuel. Do not use airplane or helli fuels, they will over heat engine. • Buy SHORT glow plugs, OFNA/PICCO Plu (#51007 or 51008) are long therefore use two copper washers.
  • Page 3 MUST READ THIS BEFORE RUNNING Running a nitro kit is fun and easy, but to make this a safe rusting. • Clean oil and dirt from chassis with a degreaser. and good experience you must observe a few rules. This kit is extremely fast, easily over 40MPH, and can seriously Precautions injure someone if you are not careful.
  • Page 4 ASSEMBLY OF THE DIFFERENTIAL (Build two differentials for front and rear.) 90020 94052 38278 38632 38256 37771 37450 38253 2.5mm M2x7mm 5x8x1.5mm Diff.Gear 10x15x4mm 3x17.8mm Diff.Gear 5x10mm (small) (Large)) Bearing Flat Head E-Ring Washer O-Ring Screw Step 1 Step 2 90020 38632 2.5mm...
  • Page 5 ASSEMBLY OF THE GEAR BOX To test the effectiveness of the gear (Build two gear box for front and rear.) differential, hold the gear tightly with one hand and turn one cap joint. 90020 37430 38258 Does the other cap joint move in the 38526 5x11x4mm 2.5mm...
  • Page 6 ASSEMBLY OF 2-SPEED CLUTCH TRIGGER DISC SET BALL TO REST ON CAM, NOT PUSHING. IF SCREW AS SHOWN, TOO TIGHT, THE BALL WILL PUSH ON CAM LEVEL WITH HOLE EDGE SPREADING SHOE DISC AND WILL NOT FIT INTO ALUM. CLUTCH BELL #38296 CARE MUST BE TAKEN TO BUILD THIS ASSEMBLY CORRECTLY, OTHERWISE 2-SPEED WILL NOT...
  • Page 7 ASSEMBLY OF THE TWO SPEED GEAR Step 1 * Trim any burrs from the 38295 38301 1 st Gear Carrier inside of the edge with Spur Gear (One-Way) a hobby knife before 38296 assembly. 2nd Gear Clutch Bell (Ball Bearing) 38300 Spur Gear 38297...
  • Page 8 ASSEMBLY OF THE FRONT KNUCKLE ARMS AND CVD SHAFT Assembly of the right and left-side are the same. Step 1 Step 2 38524 2x9.8mm 39141 38523 Push 2 ball 38406 Steering Ball CVA Dog Bone bearings into Washer knuckle arm CVD Shaft as shown.
  • Page 9 ASSEMBLY OF THE REAR WHEEL HUB Assembly of the right and left-side are the same. 39150 10mm Alum. Set Screw 39141 Steering Ball Washer 37430 39150 5x11x4mm 10mm Alum. Ball Bearing 39141 Set Screw Push Push Steering Ball Washer 37450 39150 10x15x4mm 10mm Alum.
  • Page 10 ASSEMBLY OF THE SEVRO SAVER *Use the long ball end for both steering rod and steering servo rod. 94041 Steering Rod Nylon Nut 37650 94004 Ball End (Long) 94041 M3x12mm 37360 Screw Nylon Nut 38281 Ball & Socket 37650 3x40mm 37360 38289 Turnbuckle...
  • Page 11 ASSEMBLY OF THE FRONT ARM HOLDER Assembly of the right and left-side are the same. ONTO CHASSIS 38263 Lower Arm Holder for 0 and 1.5 and 2.5 degree. Use the 0 degree for 38263 Arm Holder *Put steering rod into front arm holder.
  • Page 12 ASSEMBLY OF THE REAR STABILZER *Keep stabilizer ball in the center. *Turn stabilizer balance adjuster to adjust the stabilizer to the same angle. Center 38418 Stabilizer Balance Adjuster 38418 Stabilizer Mount 94005 M3x16mm Screw 94033 M3x3mm Set screw 90020 2.5mm 38420 E-Ring stabilizer...
  • Page 13 ASSEMBLY OF THE REAR GEAR BOX AND ARM HOLDER ONTO CHASSIS Rear Gear Box Assembly 38263 Arm holder (Rear/Front) Use the 0 degree for rear arm holder. 94019 M3x10mm Flat Head 94019 M3x10mm HexScrew Flat Head HexScrew 94019 M3x10mm M3x10mm Flat Head Flat Head HexScrew...
  • Page 14 ASSEMBLY OF THE TWO SPEED ONTO CHASSIS The mark on the center 38527 drive shaft is used for the front. Center Drive Shaft (Long/Front) Brake Mount Assembly (Upper) 2-Speed Assembly *Insert the center drive shaft before assembly the two speed onto chassis.
  • Page 15 ASSEMBLY OF THE FRONT SHOCK STAY ONTO FRONT Assembly of the right and left-side are the same. GEAR BOX 90020 2.5mm 94004 94004 E-Ring 94002 M3x12mm M3x12mm M3x8mm Screw Screw Screw 94002 39141 M3x8mm Screw 38261 Front Upper Arm Shaft 90020 2.5mm E-Ring...
  • Page 16 ASSEMBLY OF THE LEXAN SHOCK ABSORBERS ASSEMBLY THE SHOCK SPRING (USED ON SPORT RTR MODELS) 37070 3mm O-Ring 2mm E-Ring 2mm E-Ring 38330 Use the No.2 for two Shock Cap hole piston from (Gray) shock plastic tree. 2mm E-Ring 38325 37100 Shock Shaft 37100...
  • Page 17 ASSEMBLY OF THE FUEL TANK ONTO CHASSIS 94002 M3X8mm 94002 94002 Screw M3X8mm Screw M3X8mm Screw 38521 Cd3 Fuel Tank 94003 Fuel Nipple M3x10mm Flat Head Screw Fuel Nipple 38518 Fuel Tank Post 94019 M3x10mm Flat Head Screw Step 1 Step 2 94005 30560...
  • Page 18 ASSEMBLY OF THE RADIO TRAY ONTO CHASSIS 94002 M3x8mm Screw 94019 M3x10mm 94002 Flat Head M3x8mm Screw Screw 94002 M3x8mm Screw M3x10mm Flat Head Screw M3x10mm 94019 Flat Head 94019 Screw M3x10mm Flat Head Screw Insert body pins into body holder to the 39320 Body Holder...
  • Page 19 ASSEMBLY OF THE FRONT POST 94002 M3x8mm Screw 94021 M3x16mm Flat Head Screw 38294 Foam Bumper 94002 M3x8mm Screw 94004 M3x12mm Screw 94020 M3x12mm Screw 94021 94020 M3x16mm M3x12mm Flat Head Screw Screw ASSEMBLY OF THE FRONT SHOCK INTO ASSEMBLY OF THE REAR SHOCK INTO SHOCK TOWER SHOCK TOWER 94004...
  • Page 20 ASSEMBLY OF THE ENGINE AND 2-SPEED CLUTCH BELL 38309 22T-2nd Clutch Gear 35958 5x8x2.5mm Ball Bearing 3X6 mm Washer 38307 18T-1st Clutch Gear 35951 Clutch Bell M3x5mm CAP Screw 34110 5x10x4mm Ball Bearing ASSEMBLY OF THE ENGINE ONTO ENGINE MOUNT ASSEMBLY OF THE MANIFOLD 30702 M3x12mm...
  • Page 21 ASSEMBLY OF THE REAR BODY POST Insert body pins into body holder to the 37968 desired height. Body Holder 37968 Body Post 37968 (Rear) Body Holder M3x12mm 37410 Screw M3x12mm Body Pin Screw 37968 Body Post (Rear) ASSEMBLY OF THE ENGINE 10330 94041 Tapered Cone...
  • Page 22 ASSEMBLY OF THROTTLE HORN INTO SERVO AND BRAKE LEVER Use the screw provided Screw from your servo. * Align the throttle servo horn in 90 degree. * Attach the throttle ball end onto THROTTLE the throttle ball on the carburetor SEVRO ASSEMBLY OF THE EXHAUST SYSTEM Insert the filter into air filter...
  • Page 23 ASSEMBLY OF THE ENGINE ONTO CHASSIS Note book Paper. 94003 M3x10mm Screw * Use the note book paper to set gear backlash between Spur Gear and Clutch Bell Gear. If the space is not correct, the spur gear will be damaged. Spur Gear 90 Degree Clutch Bell...
  • Page 24 ASSEMBLY OF THE FUEL TUBE AND PRESSURE TUBE Connect to fuel tank Connect to muffler pressure nipple. pressure nipple. 10179 Fuel Tube Connect to carbureter. Connect to fuel nipple. ASSEMBLY OF THE TIRES AND WHEELS ASSEMBLY OF THE WHEELS ONTO FRONT KNUCKLE ARM AND REAR HUB Assembly of the right and left-side are the same.
  • Page 25 SETTING THROTTLE LINKAGE * ADJUSTING THROTTLE LINKAGE BEFORE START THE ENGINE 1. Turn on your transmitter at first and then the car's electronics (Set the transmitter trim-level in center). Adjust the alum. stopper A to made the carburetor in idle position. Adjust the alum. stopper B to leave 2mm space between alum.
  • Page 26 APPENDIX PAGES...
  • Page 27 INSTRUCTIONS #38322 STANDARD SPEED TRANSMISSION ADJUSTING THE SHIFT POINT * Adjust the engine before adjusting the clutch shift timing. Adjust the engine as per engine instruction manual. SHIFT UP TIMING ADJUSTMENT 1.5mm Allen Wrench 1. Once the engine adjustments have been completed, proceed to the adjustment of the clutch shoe shift timing.
  • Page 28 INSTRUCTIONS #38640 0.8 GEARING 2-SPEED TRANSMISSION ADJUSTING THE SHIFT POINT * Adjust the engine before adjusting the clutch shift timing. Adjust the engine as per engine instruction manual. SHIFT UP TIMING ADJUSTMENT 1.5mm Allen Wrench 1. Once the engine adjustments have been completed, proceed to the adjustment of the clutch shoe shift timing.
  • Page 33 OFNA MICRO FAIL SAFE UNIT - #91002 (MICRO) The OFNA Fail Safe unit is used to protect your RC car from loss of control due to: • Weak radio signal • Low radio batteries • Radio interference of any kind •...
  • Page 34 CD-3 RTR SPORT and RTR PRO PRICE LIST CD-3 RTR SPORT and RTR PRO PRICE LIST CD3 RTR SPORT AND PRO RTR MODELS 10010 SHOES, 3 SHOE TYPE, BLACK, 3 PCS. 12.95 10079 ALUM. PRESSURE NIPPLE, RIGHT ANGLE, 3 COLOR CHOICES 4.95 10098 CLUTCH NUT , SG...
  • Page 35 38272 PADS, BRAKE, 2 PCS. 2.95 38273 CAM, BRAKE 5.95 38274 LEVER, BRAKE 2.95 38275 SCREW, SERVO SAVER, 2 PCS. 2.95 38276 SCREW, 3x6mm BRAKE 2.95 38277 BUSHING, 5x8mm, 2 PCS. 3.95 38278 O-RING, 5x1.5mm, 4 PCS. 1.95 38279 PINS, 3x14.8mm, 2 PCS. 1.95 38280 TURNBUCKLES, 3x36mm, 2 PCS.
  • Page 36 38406 AXLES, CVA DOG BONE PAIR (Captured Pin) 17.95 38407 DOG BONE, CVA PAIR 17.95 38408 MISC., LD3/CD3 CVA HARDWARE 5.95 38409 BEARING, THRUST, 4x9mm 15.95 38412 GEAR, STEEL BEVEL 40T, ONE-WAY ONLY 15.95 38413 CAP JOINTS, ONE-WAY 9.95 38414 GEAR, STEEL BEVEL AND OPINION, FOR DIFF CASE 23.95 38415...
  • Page 37 38523 CVA Dog Bone 7.95 38524 2x9.8 Pin 1.95 38525 CD3 2-Speed Shaft 9.95 38526 CD3 Bevel Gear Shaft, small 1.95 38527 CD3 Center Drive Shaft, steel (F&R) 9.95 38528 3mm Chassis for CD3 23.95 38529 CD3 Manifold (side exhause) 15.95 38530 Quoit of Plastic Cap Joint for CD3...

  • Page 38: Owner's Registration Card

    The registration card should be filled out and mailed to OFNA Racing within 10 days of purchase date. In the event that the kit is incomplete or component parts are broken due to error in manufacturer, contact your dealer from which you purchased the kit for replacement part or call OFNA at (949) 586-2910 for your nearest dealer location.

This manual is also suitable for:

Cd-3 pro rtr3471234713Cd-3 sport pro rtr