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Associated Electrics RC8B4.1 Manual
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Associated Electrics RC8B4.1 Manual

1:8 scale 4wd nitro off road competition buggy manual 1:8 scale 4wd nitro off road competition buggy
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Summary of Contents for Associated Electrics RC8B4.1

  • Page 2 :: Additional :: Additional Your new RC8B4.1 Kit comes as a kit. There are some items you will need to complete your kit (refer to website for suggestions): • 4.8-7.4v receiver battery (Flat style NiMH, Flat style LiPo, Flat style LiFe) •...
  • Page 3 :: Hardware - 1:1 Scale View :: Hardware - 1:1 Scale View Button Head (bhcs) Flat Head (fhcs) Set Screws 2.5x6mm (4675) 2.5x6mm (31520) 3x3mm (25225) 2.5x8mm (31448) 2.5x8mm (31521) 3x6mm (81257) 3x5mm (31540) 2.5x18mm (81259) 3x10mm (4671) 3x6mm (31541) 3x6mm (31531) 3x12mm (81258) 3x8mm (25201)
  • Page 4 Each part in the This symbol indicates a Racers Tip. foldout has a number assigned to it for ordering replacement parts. Associated Electrics, Inc. Customer Service 21062 Bake Parkway Tel: 949.544.7500 Lake Forest, CA 92630 Fax: 949.544.7501...
  • Page 5 11/23 :: Differential Build (Front and Rear) - Bag 1.1, 1.2 - Step 1 :: Differential Build (Front and Rear) - Bag 1.1, 1.2 - Step 1 81383 81385 81383 Diff Sun Outdrive Gear, 18T, O-Ring 2.5x12mm 5.8x1.9mm Center Diff HTC Gearset is bagged separately.
  • Page 6 :: Differential Build Differential Build (Front and Rear) (Front and Rear) - Bag - Bag 1.1, 1.2 1.1, 1.2 - Step 4 - Step 4 25202 M3x10mm FHCS Racer’s Tip: Fill diff above the cross Front Diff Fluid: pins, below the planet 15,000cst #5447 gears as shown.
  • Page 7 :: Differential Build Differential Build (Center) (Center) - Bag - Bag 1.1, 1.2 1.1, 1.2 - Step 7 - Step 7 81380 81384 81380 Diff Sun Diff Gear, 20T, Gasket 2.5x12mm Racer’s Tip: Use black grease (#6588) to coat the back side of the diff gasket (i.e.
  • Page 8 :: Shocks Build Shocks Build - - Bag Bag 2.1 2.1 - Step 2 - Step 2 81512 Shock Cap Insert 81452 RC8B3.2 Racer’s Tip: Use green slime 91492 Shock Cap (#1105) to M2x4mm lube the o-rings BHCS before installation! 91492 81190 Gasket...
  • Page 9 :: Turnbuckles Build Turnbuckles Build - - Bag Bag 3.1 3.1- Step 1 - Step 1 Steering Servo Turnbuckle 1401 91521 33mm Ball Cup Turnbuckle Set aside until page 22 15.00mm (0.59”) :: :: Turnbuckles Build Turnbuckles Build - - Bag Bag 3.1 3.1 - Step 2 - Step 2...
  • Page 10 25201 Loosely attach M3x8mm 3x5mm FHCS and FHCS then install 3x8mm FHCS. Tighten after 81629 all screws are installed RC8B4.1 Chassis 81262 (not included) M4x10mm FHCS :: Steering / Chassis Steering / Chassis Build Build - Bag - Bag 4.1 4.1 - - Step 2...
  • Page 11 :: Steering / Chassis Steering / Chassis Build Build - Bag - Bag 4.1 4.1 - - Step 4 Step 4 25201 3x8mm FHCS 81518 Steering Rack 81517 Steering Bellcrank 3mm hex wrench fits bellcrank nut hex. :: Front Gearbox Front Gearbox Build Build - Bag 5.1, 5.2, 5.3 - Bag 5.1, 5.2, 5.3 - - Step 1...
  • Page 12 :: Front Gearbox Front Gearbox Build Build - Bag - Bag 5.1, 5.2, 5.3 5.1, 5.2, 5.3 - - Step 3 Step 3 Build left and right side! Kit Setup: Droop Screw: Kit Setup: 1.5mm Start here, adjust to 81520 101mm Arm Mount shock length.
  • Page 13 :: Front Gearbox Front Gearbox Build Build - Bag - Bag 5.1, 5.2, 5.3 5.1, 5.2, 5.3 - - Step 6 Step 6 Tighten 3x6mm set screws 81524 just enough to still allow the Body Post, 89214 anti-roll bar to move freely. 25225 Front M4x12mm...
  • Page 14 :: Front Gearbox Front Gearbox Build Build - Bag - Bag 5.1, 5.2, 5.3 - - Step 9 9 Build left and right side! 81446 31521 Caster Clip, Add 1.0mm caster clip behind M2.5x8mm 1.0mm suspension arm. Adjust final arm BHCS spacing by adding remaining clips in front of arm until fit is tight and...
  • Page 15 :: Steering Blocks Steering Blocks Build Build - Bag 6.1 - Bag 6.1 - - Step 3 Step 3 81056 Suspension Endcap 81072 Pillow Ball Shim (1.4mm) Pillow Ball Shims 81072 25620 Pillow M3x10mm Ball Shim SHCS 0.35mm 0.7mm 1.4mm (0.7mm) :: Steering Blocks Steering Blocks Build...
  • Page 16 :: Rear End Build - Bag 7.1, 7.2, 7.3 - Step 1 Rear End Build - Bag 7.1, 7.2, 7.3 - Step 1 81565 Dogbone 81543 Outdrive, Gearbox, Rear (Inboard) 89221 Racer’s Tip: Use black grease M5x4mm (#6588) to Set Screw lube the diff pinion before installation! 91559...
  • Page 17 :: Rear End Build - Bag 7.1, 7.2, 7.3 - Step 4 Rear End Build - Bag 7.1, 7.2, 7.3 - Step 4 81512 Droop Screw: 81260 81585 Kit Setup: Anti-Roll Kit Setup: M4x14mm Anti-Roll 1.5mm Bar Link BHCS Bar Pivot 81641 Hinge 81455...
  • Page 18 :: Rear End Build - Bag 7.1, 7.2, 7.3 - Step 7 Rear End Build - Bag 7.1, 7.2, 7.3 - Step 7 25189 81525 M3x22mm Chassis BHCS Brace Mount 89214 Racer’s Tip: M4x12mm Tune the FHCS rear end for more flex with#81562 ball end insert here...
  • Page 19 :: Rear Hubs Build Rear Hubs Build - Bag 8.1, 8.2 - Bag 8.1, 8.2 - Step 1 - Step 1 Tighten set Build two! 89096 screw before camber link Wheel installation. Hex Pin 81642 25215 B4.1 Rear 3x6mm Hub Plates Set Screw (standard) 25215...
  • Page 20 :: C :: Center Bulkhead enter Bulkhead - - Bag 9.1 - Step 1 81448 Center 81256 Bulkhead, C-Clip, Lower 81043 Center Top Plate 81040 89214 Brake 81448 31448 31448 M4x12mm Rotor M2.5x8mm M2.5x8mm FHCS Guide FHCS FHCS :: C :: Center Bulkhead enter Bulkhead - - Bag 9.1 Bag 9.1 - Step 2...
  • Page 21 :: C :: Center Bulkhead enter Bulkhead - - Bag 9.1 Bag 9.1 - Step 4 - Step 4 81581 89212 Center M3x30mm 18.40mm Dog Bone, FHCS 81550 (0.72”) 104mm Brake Rotor 81580 Center Dog Bone, 93.5mm Note direction of center diff.
  • Page 22 :: Linkages Build :: Linkages Build - - Bag 10.1 Bag 10.1 - Step 3 - Step 3 Spline Count 25215 Locknut Printed here 81556 Servo Horn (Steering) 81556 91048 Servo Horn HD Ball Insert Stud, 8mm :: Radio Tray Build Radio Tray Build - - Bag Bag 11.1 11.1 - Step 1...
  • Page 23 :: Radio Tray Radio Tray Build Build - - Bag Bag 11.1 11.1 - Step 3 - Step 3 42007 42007 Receiver Battery Grommet not included! Receiver Plug 31448 Grommet 2.5x8mm FHCS 81432 Receiver not included! Battery Box, Top 6727 81432 Servo Receiver...
  • Page 24 :: Clutch / Filter Build Clutch / Filter Build - - Bag Bag 12.1, 12.2 12.1, 12.2 - Step 2 - Step 2 81367 Clutch Shoe / Spring Installation Order: Clutch Shoe 81402 81375 Spring, Gold, Clutch Clutch Shoes, 1.0mm Shoe, Hard, 4-Shoe Composite...
  • Page 25 :: Clutch / Filter Build Clutch / Filter Build - - Bag Bag 12.1, 12.2 12.1, 12.2 - Step 5 - Step 5 Header pipe not included! 25620 3x10mm Exhaust spring not SHCS included! Header pipe gaskets not included! 81115 Engine Exhaust Pipe Mount...
  • Page 26 :: Clutch / Filter Build Clutch / Filter Build - - Bag Bag 12.1, 12.2 12.1, 12.2 - Step 7 - Step 7 When installing your engine, make sure the rear drive shaft does not interfere with the engine block. You may need to remove material from the engine block for fitment.
  • Page 27 :: Fuel Tank Build :: Fuel Tank Build - - Bag 13.1, 13.2 Bag 13.1, 13.2 - Step 2 - Step 2 Pressure line from Fuel line from fuel fuel tank lid to tank to carburetor exhaust pipe :: Wheels / Tires / Body :: Wheels / Tires / Body - - Misc.
  • Page 28 :: Wheels / Tires / Body Wheels / Tires / Body - - Misc. Misc. - Step 2 - Step 2 Install wheel nuts with the Install wheel nuts with the serrated edge serrated edge towards the wheel. towards the wheel. 81082 Wheel Nuts, 17mm...
  • Page 29 :: Droop Settings :: Droop Settings Set droop by measuring overall length of shock (from standoff to shock pin) while the chassis is elevated above your working surface. The shocks should be fully extended. Kit setup for front droop is 101mm shock length, and 126mm shock length for the rear “C” hole. If the shock length is too long, adjust by turning the droop screws clockwise.