Instruction and Assembly Manual
Version 1.3 (August 2016)
Thank you for purchasing this Atomic product. BZ is a high
performance competition machine for 1:28 scale. Please read this
manual in detail in order to have proper assembly of this product
and wish you have fun with it.
Tools Included :
1.3mm Allen wrench
Diff tool
Tools Needed (Not Included) :
Small Screw Driver
1.5mm Allen wrench
1.5mm Drill Bit
2.0mm Drill Bit
4.5mm
Hex Nut Driver
Hobby Knife
#1500 Sandpaper
Equipment required :
Car Body
Radio System
Ball Diff Oil
Rim
Tire
Battey
Grease
1
1
2x4KB
2x4KM
Attaching bulkheads
Bulkhead B (+0)
x8
Bulkhead A (+0)
Spur gear shaft
x3
Bulkhead A (+0)
Bulkhead B (+0)
2x4KM
Motor Mount
Bulkhead B (+2.5)
Bulkhead A (+2.5)
Bulkhead B (+0)
2x4KB
Bulkhead A (+0)
2x4KM
Lower deck
2x4KB
2
Build 2 sets
2
Ball differential
Apply Grease
After assembly
Diff tool
Loosen
2.38mm
Thrust Ball
Apply Grease
Diff Scwer
Diff rubber
Apply Grease
Diff Housing (Short)
Polish the diff plate and thrust
bearing plate with #1500 sand
paper
Tighten
Pulley Collar
Diff Housing (Long)
P.1
oil
27T Pulley
Diff Nut
3
3
2x4PB
2x6PM
Attaching Rear Ball differential
& Center Pully Upper Bulkhead
A (+0)
x4
Bearing hub
2x4PB
Drive belt (Short)
Upper Bulkhead
B (+0)
x1
6x8 shims !
About 0.2 mm
Upper Bulkhead
B (+0)
6x10x2.5
Bearing
6x10x2.5
Bearing
16T Cnter Pulley
Upper Bulkhead
A (+0)
!
Attention:
Add 0.2 mm
shims at this side
of outdrive cup.
2x6PM
2x4x0.2
shims
2x5x2.5
Bearing
3x6x2.5
! Bearing
4
4
2x4PB
x4
Bearing hub
Attaching Front Ball differential
Drive belt (Long)
2x4PB
Upper Bulkhead
B (+2.5)
Upper Bulkhead
B (+2.5)
Upper Bulkhead
A (+2.5)
Upper Bulkhead
A (+2.5)
!
Attention:
Bearing hub
6x10x2.5
Bearing
6x10x2.5
Bearing
6x8 shims
About 0.2mm
Add 0.2 mm
shims at this side
of outdrive cup.
P.2
!
Bearing hub
5
x4
2x4PM
Make sure the carbon top deck can be
easily put on the bulk head. otherwise, use
sand paper to trim the end of top deck.
Attaching Upper deck
5
2x4PM
1.2x4KM
x4
Upper deck
Front
Tighten
Loosen
2x4PM
Adjust the bearing hub
position to adjust belt
tension. Middle is the
recommended.
Rear
Loosen
Tighten
1.2x4KM
For Adjusting Bearing Hub
1.2x4KM
For Adjusting Bearing Hub
6
6
2x10PM
!
Attaching Steering System
Linkage Ball A
x2
Steering System
Mount
Crank Link
Attention:
Makeing 2
Installation direction
!
Bell Crank
2x4x0.2
shims
2x5x2.5
Bearing
2x4x1
washer
2x10PM
Linkage Ball B
P.3
7
x1
7
Attaching Servo Mount
1.5x11
Set screw
1.5x6PB
2x4KM
2x4PM
2x4PM
2x4KM
Steering System
Servo Mount A
Linkage assembly
x1
2.5mm Ball end
x2
x5
1.5x11 set screw
Steering Respond
Linkage Ball A
Quick
Smooth
!
Servo Mount B
Attention:
!
Installation direction
Servo
(AMZ-OP024)
2x4PM
Planar
1.5x6PB
Servo horn
chamfer
chamfer
8
Planar
Attaching Spur gear & Motor gear
Servo assembly
Motor
8
2x4KM
x4
x1
5x7x1mm
O-ring
2x4KM
!
Attention:
!
Motor pinion
Motor
5x7x1mm Spur gear
O-ring
(
Spur gear
Motor gear
Carefully adjust
the position of
pinion, make sure
it does not touch
Spur Gear
the front belt.
P.4
x
1.69
54
56
58
2x4KM
)
= Gear ratio
7.53
Motor Pinion
14
15
6.75
6.99
6.30
6.53
16
5.70
5.91
6.12
17
5.36
5.56
5.76
(5.91 is recommended for 5000KV motor)
18
5.06
5.25
5.44
9
Build 4 Sets
9
Axles assembly
CVD assembly
1x5.5mm
oil
After assembly
Installation the wheel
for testing
Lock collar
3x5 shims
About 0.2~0.3mm
Cross joint
Swing shaft
Not included
Wheel axle
3x6x2
Bearing
Linkage Ball 4mm
(AMZ011)
Insert shims to
adjust the play
of CVD
10
10
3x6x2
Bearing
Steering block
Attaching Front arms
Build 2 Sets
L
R
1.2x3PB
x2
Camber arm
1.2x3PB
2x12mm
0.7mm
Linkage Ball C
11
Build 2 Sets
11
Attaching Tie Rod
!
6.5mm
!
Attention:
Installation direction
Planar
2.5mm Ball end
chamfer
chamfer
Planar
P.5
1.5X11mm
Turnbuckles
!
12
12
L
1.2x3PB
2x4KM
2x4PB
Attaching Rear arms
Rear
R
x2
2x12mm
Front
x2
2x4PB
x2
2x12mm
Camber arm
1.2x3PB
0.6mm
Linkage Ball D
2x4KM
13
13
L
2x4KB
R
2x4x0.5
washer
Linkage Ball E
Attaching Grease shock
Linkage Ball 4mm
(AMZ011)
Front
x4
Linkage Ball 4mm
(AMZ011)
2x4KB
oil
Sping
Front Shock Tower (+2.5)
Shock Tower (+2.5)
2x4KB
Sping
Rear Shock Tower (0)
P.6
oil
We recommend to apply #30000
oil Different Grease to the shocks.
Shock Tower (0)
Rear
14
14
2x4KB
2x4PB
Attaching other parts
Speed controller w/ RX
x3
Double-sided Tapes
x2
2x4PB
2x4PB
2x4KB
15
15
2x6KB
Attaching Front Body Mount
x2
Caution:
Trim the front body
mount a little bit
to give space for
the front belt.
P.7
Not included
Trim this part to avoid the touch of
front belt
2x6KB
End of Assembly
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