Atomic BZ3 Instruction Manual
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Atomic BZ3 Instruction Manual

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BZ3 Instruction manual
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Summary of Contents for Atomic BZ3

  • Page 1 BZ3 Instruction manual...
  • Page 2 BZ3 Instruction manual Step 1 – Prepare the Diff Lock Nut Hold Diff Lock Nut by pliers Diff Screw Before assembling the Ball Diff, make a thread to the lock nut first, by using the diff screw. Step 1.1– Diff Assembly...
  • Page 3 BZ3 Instruction manual Attention: the “D” Shape Step 1.2– Diff Assembly Insert the Bearing (6*10*3) to the drive cup Apply ball diff grease to the cup and attach the diff plate. Diff grease is act as the adhesive to hold the cup and plate together.
  • Page 4 BZ3 Instruction manual Step 1.3– Diff Assembly Apply instant glue and fix the pulley ring. Apply ball diff grease to the cup and attach the diff plate. Diff grease is act as the adhesive to hold the cup and plate...
  • Page 5 BZ3 Instruction manual Step 1.4– Ball Diff Thrust Bearing Apply thrust bearing grease to the ball-ring. Attach the thrust bearing set to the cup Use the diff tool to hold the diff lock nut, And tighten the ball diff. Diff lock nut...
  • Page 6 BZ3 Instruction manual Step 1.4– Ball Diff Assemble Finished Attach the out-drive cup to the ball diff body, and use the O-ring to secure the cup. Install the 6*10*3 bearing. Now build the second diff, repeat above steps.
  • Page 7 BZ3 Instruction manual Step 2.0– Motor Mount   M2*10 KM Drive pulley 2*5*2.5 bearing 3*6*2 bearing 3*6*2 bearing M2*4 KM Step 3.0 - Bulkheads Caution:    For Front and Read Bulkheads, must use M2*4 M2*3 screw. CANNOT use M2*4mm. M2*3...
  • Page 8 BZ3 Instruction manual Step 4.0 – Belt and Ball Diff Step 5.0 –Fixing Belts Caution: Pay attention to the orientation of ball diffs and belts...
  • Page 9 BZ3 Instruction manual Step 6.0 – Upper Bulkheads M2*4 M2*5 M2*4 M2*4 M2*4 M2*5 Adjust the bearing hub position to adjust belt tension. Middle position is a good start.
  • Page 10 BZ3 Instruction manual Step 7.0 – Steering Crank Solid Steering crank (stock)  2.5 ball head 3*6*2 1.5*2.5*0.35 2.5 ball head 3*6*2 M1.4 *4 screw is used to go thru the cranks. Step 8.0 – Steering Crank Support 3*4*0.1 shim M2*4...
  • Page 11 BZ3 Instruction manual Step 9.0 – Steering Linkages 19mm Center to Center 2.5 Ball Cap 2.5 Ball Cap Normal Thread Side Reverse Thread Side Make 3 Linkages as above, approximately 19mm center to center long. Fix the linkages as shown...
  • Page 12 BZ3 Instruction manual Step 10 - Servo Mount M2*4 M2*4 M2*4 M2*4 M2*4 1.5*2.5*0.35 washer (2pcs) 2*6 rod 3.5 ball cap 1.5*11 pin Trim 1.2mm Step 11 – Front Upper Arms...
  • Page 13 BZ3 Instruction manual Step 11.1 – Front Upper Arms M2*2.5 set screw M2*2.5 set screw Note: 1.5*2.5*0.35 white washer is used to adjust the Front Caster Angle (upper arm inclination). More caster angle will generate more steering but degrease in stability. We recommend you try different degree to find the best position for you.
  • Page 14 BZ3 Instruction manual 0 degree caster 1 degree caster 2 degree caster...
  • Page 15 BZ3 Instruction manual Step 12 – Rear Upper Arms M2*3 M2*3 M2*6 Rod 3.5 Ball Cap Sandpaper (#500 to #1000) Caution:  If the Upper arm is not moving freely, please use sandpaper to grind the “tip of the ball head”. To remove burr (or raised edge) of the plastic ball head.
  • Page 16 BZ3 Instruction manual Step 13 – Rear Lower Arms 1.5*13 pin M1.2*4 3.0 pivot ball 1.5*2.5*0.35 white spacer...
  • Page 17 BZ3 Instruction manual Step 14 – Rear Uprights 3.5 Ball Head Short CVD Camber link Collar 3.0 x 4.0 x 0.1 washer 3 x 6 x 2 Bearing 3 x 6 x 2 Bearing Caution:  Apply 0.1mm washer 2 or 3 pcs (around 0.3mm), to minimize the play of the CVD and...
  • Page 18 BZ3 Instruction manual Step 15 – Front Knuckles Caution:  Apply 0.1mm washer 2 or 3 pcs (around 0.3mm), to minimize the Long CVD play of the CVD and bearing. 3.5 Ball Head 3.0 x 4.0 x 0.1 washer 3 x 6 x 2 Flange Bearing 3 x 6 x 2 Flange Bearing 3.5 Ball Head...
  • Page 19 BZ3 Instruction manual Step 16 – Spur Gear O-ring (Rubber) M2x4 Step 17 – Upper Deck M2x4 M2 x 10 M2x4 M2x4 Pay attention to the direction. Steering Collar...
  • Page 20 BZ3 Instruction manual Step 18.1 – Front Shocks M2x4 4.0mm M2x4 4.0mm ball head Step 18.2 – Rear Shocks M2x4 M2x6 M2x4 M2x4 4.0mm ball head M2x6...
  • Page 21 BZ3 Instruction manual Step 19 – Body Mounts M2x4 Left Body Mount M2x4 Right Body Mount M2x4...
  • Page 22 BZ3 Instruction manual Ca ution: Install the Not included Front Body Mount Trim this part to avoid the touch of front belt...
  • Page 23 5.45  5.16  4.90  4.67  Recommend Gear ratio for Atomic Motors: 3500KV : around 4.3 ~ 4.6 5500KV : around 5.2 ~ 5.5 7000KV : around 5.8 ~ 6.2 Gear ratio decision is affected by strength of battery, chassis weigh and overall smoothness of...

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