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Atomic BZ5 Instructions Manual
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Atomic BZ5 Instructions Manual

Belt drive 4wd chassis
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BZ5-KIT BZ5 Belt Drive 4WD Chassis Instruction
1
Version 1.0 (25-06-2024)

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Summary of Contents for Atomic BZ5

  • Page 1 BZ5-KIT BZ5 Belt Drive 4WD Chassis Instruction Version 1.0 (25-06-2024)
  • Page 2 BZ5-KIT BZ5 Belt Drive 4WD Chassis Instruction Step 01 (Open Bag 1 to 5) Chassis Plate Be careful not to over tighten the screws and it may cause aluminium parts screw thread to strip Front Bulkheads Front Lower Arm (B) KM 1.6 x 4...
  • Page 3 BZ5-KIT BZ5 Belt Drive 4WD Chassis Instruction Step 03 Brass 2.95 Ball Head Step 04 Brass 2.95 Ball Head Rear Arm Mount KM 1.6 x 4 Video to show how to apply “press method” to make ball joints rotate smoothly, please scan the QR code. (YouTube video)
  • Page 4 BZ5-KIT BZ5 Belt Drive 4WD Chassis Instruction Rear Bulkhead (R) Step 05 Spur Gear Mount Rear Bulkhead (L) Motor Mount Be careful not to over tighten the screws and it may cause aluminium parts screw thread to strip KM 1.6 x 4 screws to fix Rear...
  • Page 5 BZ5-KIT BZ5 Belt Drive 4WD Chassis Instruction Use the #1500 sandpaper to polish the pressure plates and Align the “D” Shape  thrust bearing plates for best performance. Apply ball diff grease to the flat surface as adhesive to hold the ...
  • Page 6 BZ5-KIT BZ5 Belt Drive 4WD Chassis Instruction Step 10 Take a M2 screw to make a thread on the lock nut first; will be easier to install in following step Diff Nut Thrust Bearing Rubber Ring Diff Screw Apply Thrust bearing grease to the...
  • Page 7 BZ5-KIT BZ5 Belt Drive 4WD Chassis Instruction Step 12 We can use a 0.9 hex key to quickly adjust the tightness of the ball diff. Step 13 (Open Bag 7) Step 14 Eccentric Hub 6x10x3 Bearing Make 4 pcs 6x8x0.1 shim 2 pcs...
  • Page 8 BZ5-KIT BZ5 Belt Drive 4WD Chassis Instruction Firstly, it may need to clean the flash of Step 15 Front Bulkhead Cover plastic from the upper arm by hobby knife. Then insert the flanged brass ball head to Flanged 3.5 Ball Head the upper arm.
  • Page 9 BZ5-KIT BZ5 Belt Drive 4WD Chassis Instruction Step 17 (Open Bag 8) Steel Steering Crank Post Apply grease between the cranks for best performance Servo Saver Spring Input Crank Step 18 Steering Crank (1) Inverted the steering crank and push it down until the “slot “of the steel post come up.
  • Page 10 BZ5-KIT BZ5 Belt Drive 4WD Chassis Instruction Step 19 2.5 Ball stud M1.4 2.5 Ball stud M1.4 1.5 x 2.5 x 0.2 shim Step 20B 8 mm thick servo, such as AGF A06 KM2 x 4 PM2 x 4 2 x 4 x 0.5 shim 2.5 Ball stud M1.4...
  • Page 11 BZ5-KIT BZ5 Belt Drive 4WD Chassis Instruction Step 21 (Open Bag 9) 53T Spur Gear Plastic cover 6 x 12mm Use instant glue to fix the cover to the gear Use instant glue to fix the cover to the gear...
  • Page 12 BZ5-KIT BZ5 Belt Drive 4WD Chassis Instruction Rear Belt Step 23 2 x 5 x 2 Bearing Front Belt Step 24 Steering Crank Base Steering Travel Limiter KM 1.6 x 8 Version 1.0 (25-06-2024)
  • Page 13 BZ5-KIT BZ5 Belt Drive 4WD Chassis Instruction 1.5 x 4 x 1.2 Bearing Step 25 Steering Crank Assembly 1.5 x 4 x 1.2 Bearing Step 26 Servo Assembly KM 1.6 x 4 Version 1.0 (25-06-2024)
  • Page 14 BZ5-KIT BZ5 Belt Drive 4WD Chassis Instruction CM 1.4 x 4 CM 1.4 x 4 Step 27 PM 1.6 x 4 KM 1.6 x 4 PM 1.6 x 4 Step 28 Tighten Loosen Loosen Tighten For Rear belt, recommend adjusting as 1 click...
  • Page 15 BZ5-KIT BZ5 Belt Drive 4WD Chassis Instruction PM 1.6 x 4 Step 29 KM 1.6 x 4 KM 1.6 x 4 PM 1.6 x 4 PM 1.6 x 4 Step 30 (Open Bag 10) 3.0 ball stud M2 Leg Build 2 Rear Knuckles 1.5mm drill bit...
  • Page 16 BZ5-KIT BZ5 Belt Drive 4WD Chassis Instruction Please make sure the tip of the M2 set screw is not Step 30 going too deep and give pressure to the center of ball cap, it will cause the ball cap to bind with the metal ball head.
  • Page 17 BZ5-KIT BZ5 Belt Drive 4WD Chassis Instruction Step 32 Please make sure the tip of the M2 set screw is not going too deep and give pressure to the center of ball cap, it will cause the ball cap to...
  • Page 18 BZ5-KIT BZ5 Belt Drive 4WD Chassis Instruction 3.5 Ball Stud Step 34 Build 2 Front Dampers Trim the first segment of the damper tube Spring Collar Short Spring M2 x 8 set screw Damper Leg 3.5 Ball Head Apply Damper Grease to the Leg, #25000 is recommended.
  • Page 19 BZ5-KIT BZ5 Belt Drive 4WD Chassis Instruction PM 2 x 6 Step 36 PM 2 x 4 Build the Battery Mount 0.5mm Spacer: Add spacers to increase the height of battery mount if necessary. Step 37 Battery Holder Battery Mount Base...
  • Page 20 BZ5-KIT BZ5 Belt Drive 4WD Chassis Instruction Step 38 (Open Bag 14) Side Body Mount (L) Side Body Mount (R) KM 2 x 6 KM 2 x 6 Motor Installation Note M2 x2 Set Screw There are special screws in Bag 14, which has smaller flat head than usual KM screw.

  • Page 21: Front Suspension

    BZ5-KIT BZ5 Belt Drive 4WD Chassis Instruction CM 1.4 x 4 Droop Adjustment Screws CM 1.4 x 4 CM 1.4 x 4 CM 1.4 x 4 Screw tip come out around 0.5mm Screw tip come out around 0.5mm Rear suspension Front suspension Version 1.0 (25-06-2024)
  • Page 22 BZ5-KIT BZ5 Belt Drive 4WD Chassis Instruction BZ5 Gear Ratio 51 Spur 52 Spur 53 Spur 5.36 5.46 5.57 5.04 5.14 5.24 4.76 4.85 4.95 4.51 4.60 4.69 4.28 4.37 4.45 4.08 4.16 4.24 3.89 3.97 4.05 Motor KV and suggested Gear Ratio 2500KV : 4.0 to 4.1...