Atomic FFZV2 User manual

FFZV2 Instruction manual
Version 1.0 (2020-June-15)
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FFZV2 Instruction manual
Version 1.0 (2020-June-15)
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Hold Diff Lock Nut by pliers
Diff Screw
Make screw thread to the lock nut
Before carry out the assembly.
Diff Rubber Pressure Collar
Insert the diff screw and rubber pressure collar
into the diff cup
Open Bag
○
1,
○
2 and Bearing Bag
Step 1 – Prepare the Diff Lock Nut
Step 1.1– Diff Assembly

FFZV2 Instruction manual
Version 1.0 (2020-June-15)
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Insert the Bearing (3*6*2) to the center of pulley, and attach
pulley to the diff cup
** Not necessary to apply any
grease if you run on RCP or EVA
foam tracks.
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.
Attention: the “D” Shape
Step 1.2– Diff Assembly
Step 1.3– Diff Assembly
2.381mm balls x 8 pcs

FFZV2 Instruction manual
Version 1.0 (2020-June-15)
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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
together.
Attention: the “D” Shape

FFZV2 Instruction manual
Version 1.0 (2020-June-15)
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Step 1.4– Ball Diff Thrust Bearing
** Not necessary to apply any grease if you
run on RCP or EVA foam tracks.
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

FFZV2 Instruction manual
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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.
Step 1.4– Ball Diff Assemble Finished
Ball differential is finished building

FFZV2 Instruction manual
Version 1.0 (2020-June-15)
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PM 2x6 Button Head
PM 2x6 Button Head
2*5*2.5 Bearing
3*6*2 Bearing
3*5*0.1 white spacer
2*4*0.8 copper spacer
Steel axle
Note: Must use 6mm long screws
Motor Mount
Open Bag 3, 4 and 5
Step 2.0 – Central Drive Pulley

FFZV2 Instruction manual
Version 1.0 (2020-June-15)
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M2 * 4 KM Hex
Step 3.0 – Bulkheads installation
M1.7 * 4 Flat Head
M1.7 * 4 Flat Head

FFZV2 Instruction manual
Version 1.0 (2020-June-15)
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Adjust the Eccentric bearing hub position to
adjust belt tension. Middle position is a good
start.
Step 4.0 – Install Ball Differential
Eccentric bearing cup
Eccentric bearing cup
40T Drive belt
M2*4 Button Head
M2*4 Flat Head
Step 5.0 – Front Bulkhead Cover

FFZV2 Instruction manual
Version 1.0 (2020-June-15)
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Open Bag 6
Step 6.1 – Front Knuckle (Left)
Long CVD
3*4*0.1 white spacer
3*6*2 Flange Bearing
3*6*2 Flange Bearing
3.0 diameter ball head
3.5 diameter ball head
3.0 and 3.5 Ball head
3.0 3.5
Step 6.2 – Front Knuckle (Right)
3.0 diameter ball head
3.5 diameter ball head
Apply install glue to secure ball head
Apply install glue to secure ball head

FFZV2 Instruction manual
Version 1.0 (2020-June-15)
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1.5 * 12mm Steel Round Pin
Step 7.0 – Front Lower Arms
Screw protrude around 0.5mm
Droop screw setup
M1.2 * 3 Button Head
Right Arm
Left Arm
Right Arm
Left Arm

FFZV2 Instruction manual
Version 1.0 (2020-June-15)
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Shorten the 3.0 ball cap
1.5 * 10mm pin
3.0 Ball Cap (shortened)
M2*6 rod
1.5*3*0.3 shim 2 pcs
Step 7.1 – Front Upper Arms
Note the position of the 0.3mm shims define the caster angle
2 degree caster 3 degree caster 4 degree caster

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Version 1.0 (2020-June-15)
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2*4*0.8 copper spacer
4 pcs
Open Bag 7
M1.2*3 Button Head
M1.2*3 Button Head
Step 8.0 – Fixing the Knuckles
Step 9.0 – Steering System
M2 *8 Cup Head
2.5 Long Neck Ball

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Version 1.0 (2020-June-15)
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Normal Thread
Reverse Thread
7.9mm
M2*4 Flat Head
3*4*0.1 white spacer
3*6*2 Bearing
2.5 M1.4 Thread Ball
1.5*3*0.3 shim
Step 9.1 – Steering Crank and Turnbuckles
Video to show how to smooth ball links, please scan the QR code.
This skill will make the ball head smooth and no play slop.
https://youtu.be/RMhkoIUS_og

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Version 1.0 (2020-June-15)
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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.
Make sure the upper arm is moving freely.
Open Bag 8
Sandpaper (#500)
Small 1.3mm Hex Head
Small 1.3mm Hex Head
(special screw)
M2x6 rod
3.0 ball cap
Step 10 – Rear Upper Arms

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Version 1.0 (2020-June-15)
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Step 11 – Rear Lower Arms
Right Arm
Left Arm
M1.2*3 Button Head
Droop Screw protrude
0.5mm
M2*4 Flat Head
Suspension arm mount (RF)

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Step 11.1 – Fixing Lower Arms
Pivot ball
Pivot ball
1.5*13mm pin Rear L Arm
1.5*3.0 *0.3 spacer
M2*4 Flat Head
Rear Toe Mount
Rear Toe Mount
If the arm not smooth, please use the 1.5 drill bite
(included in kit) to smooth the hole of the arm.

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Version 1.0 (2020-June-15)
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Step 12 – Rear Uprights (Build 2 pcs)
Wheel Axle
3*6*2 Bearing
3*6*2 Bearing
3.0 Long Leg Ball Head
2*5*0.8 Copper Spacer
Upright Hub
Pin Cover 2*7.5 Pin
①
④
②
③

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Open Bag 9
Step 13 – Shock Dampers
Build 4 sets
4mm Steel hollow Ball
Damper Piston
Build 4 sets
Damper Tube
Damper Collar
Screw the Collar to the Tube
Press the Ball into the Piston Cap
4.0mm Damper Ball Head
4.0mm Damper Ball Head
M2*4 Button Head
M2*4 Button Head
Front Shock Stay
Rear Shock Stay
Align the thread carefully before screw in.

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Version 1.0 (2020-June-15)
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Step 13.1 – Apply Grease
Apply Grease, Atomic #25000 Damper Grease
Is recommended
If the piston is not moving smooth along
the tube. Please use sandpaper to
Polish it.
Build 4 sets
M2*4 Flat Head
M2*6 Button Head
①
②
③