OFNA Racing Nexx10sc User Manual

IMPORTANT-READ THIS BEFORE RUNNING

1.Before Starting

•Please read manual carefulyl (With a parent, guardian or a responsible adult if necessary).

2.While Operating

•Any running area you choose must be dry. Do not run vehicle near any water or wet areas.

•Do not run on public streets. It is very easy to have the car run over or be damaged by hitting the curb.

•Do not operate the car in tight confined places. The vehicle is very fast and will easily hit something.

•Do not run near people or animals. The car is very fast and could easily seriously injured someone.

•Do not operate the car at night. You will not be able to drive it safely.

3.Before Operating

•Make sure that all screws and nuts are properly tightened.

•Always use fresh batteries for your transmitter and receiver before running the car. If the radio does
not have full control of the car with steering, throttle and brake. Do not run it until corrected. Failure
to correct this will result in possible injury and damage to the car or property.
We strongly recommend using a failsafe. But remember failsafe does not protect all power is lost

in vehicle.

•Please confirm the steering and throttle is at neutral position.

4.Check Your Vehicle After Runing

•Turn OFF receiver first, then turn OFF transmitter. This will prevent the car from losing control.

•After running radio controlled car, it is necessary to perform routine maintenance.

5.Battery Safety

•Please be careful when handling the battery. It will be hot after running. If the wire is frayed, a short
circuit can cause a fire.

WARNING: To avoid a possible fire hazard, always unplug the battery. Do not leave your vehicle

unattended with the battery plugged.

Components

OVERVIEW

Parts Bag

Transmitter

Radio Control Car

12T/550 Brushed Motor

B4222

Servo
Brush Electric Speed
Controller

TOOLS NOT INCLUDED IN THE KIT

Cutter

Phillips Type Screw Drivers ( L )

Curved Scissors
Part# 91009

Phillips Type Screw Drivers ( S )

Needle Nosed Pliers

Craft Knife

Precision Caliper

Instant Cement
CA Part # 10239

Masking Tape

Equipment Needed

6-Cell 7.2V Ni-Mh Battery

Ni-Mh/Lipo AC/DC 5amp

Battery Charger
Part# 91849

*Can use 7.2V 6-Cell Ni-Mh battery pack or 7.4V Li-Po
battery (hard case). Other type of batteries may cause
damages to your electronic speed controller and motor.

*It is important that you read all precautions and instructions
supplied by the charger and battery manufacturers. Make
sure you understand how to use your batteries correctly
and use them with required chargers.

CAUTION

*Be aware that Hong Nor Enterprise shall not be liable for
any indirect, incidental or consequential damages caused
by inappropriate installation or use of batteries in Hong
Nor models.

7.4V L i-Po Battery(Hard Case)

8 "AA" Type
Batteries

L Battery Charger

i-Po

Part# 91853

Power Supply
Part # 92135

PLASTIC PARTS FOR USE

37100
SHOCK ABSORBER

40970
REAR LOWER ARM

40921
BUMPER & RADIO TRAY POST & BODY POST

40931

40835

LOWER ARMFRONT

DIFF. CASE

40932
FRONT KNUCKLE ARM

40840
FRONT & REAR GEAR BOX

40930
FRONT UPPER ARM AND ARM HOLDER

PLASTIC PARTS FOR USE

40944
REAR BUMPER

40943
FRONT BUMPER

37381
BALL END (4mm)

40945
REAR BUMPER BRACE

40946
BATTERY CASE & RECEIVER BOX

PLASTIC PARTS FOR USE

40947
BODY POST & CENTER BRACE

40834
SERVO SAVER

40948
SPUR GEAR (46T)

40843
REAR UPRIGHT

SYMBOL USED THROUGHOUT THE INSTRUCTION MANUAL

Parts Bag Used

BAG

Degrease With
Motor Spray

Do Not
Over Tighten

Do Not
Over Tighten

Tighten

40844
CENTER DIFF. MOUNT

40848
STABILIZER BALL END

Tighten

Ensure
Free
Movement

Ensure Free
Movement

Contact
Adhesive

Contact Adhesive

S
Cem

cr

ew

en

t

Cement

Apply OilApply Screw

Oil

Apply
Grease

Apply Grease

1:1

True-To-Scale

Rotate
Direction

Clockwise
Rotation

Rotate
Direction

Anti-clockwise
Rotation

1

ASSEMBLY OF THE FRONT AND REAR DIFF.

*Build two differentials for front and rear.

Step 1

30780
2x12.8mm Pin

94034
4x4mm
Set Screw

40009
P6 O-Ring

37450
10x15mm Ball Bearing

2

ASSEMBLY OF THE FRONT AND REAR DIFF.

*Build two differentials for front and rear.

30776
4x10mm Washer

.....x4

.....x2

.....x4

.....x16

Oil

40808

37450

40835

.....x4

Step 1 Step 2

30773

40805

4x4 mm

30780

40009

30776

Step 2

40805

40808

Oil

37450

40803

Tighten

2.6x10mm

30780

40009

40805

Tighten the diff screws in this order.

1

3

94046

2.6x10mm
Flat Head Screw

30773
4mm
Cross Pin

3

ASSEMBLY OF THE CENTER DIFF.

30780
2x12.8mm Pin

94034
4x4mm
Set Screw

40009
P6 O-Ring

37450
10x15mm Ball Bearing

.....x8

.....x4

Step 1 Step 2

.....x2

Oil

.....x1

40808

.....x2

.....x2

37450

40835

4x4 mm

30780

40009

40011

Grease

40808

40805

Oil

37450

40948

4

*Apply grease to the differential gear
during assembly.

30780

40009

40805

2

4

ASSEMBLY OF THE CENTER DIFF.

Step 1 Step 2

30773

40805

30776

Tighten

2.6x10mm

30776
4x10mm Washer

94046

2.6x10mm
Flat Head Screw

30773
4mm
Cross Pin

5

ASSEMBLY OF THE FRONT GEAR CASE

94034
4x4mm Set Screw

37430
5x11mm Ball Bearing

38254
12x15x0.25mm Shim

94003
3x10mm Hex Screw

94043
3x35mm Hex Screw

.....x8

.....x4

.....x2

.....x1

.....x2

.....x2

.....x2

.....x2

Step 1 Step 2

Apply

38254

Grease

*Adjust the backlash with the shims.

38254

40804

40840

37430

40011

Grease

4x4mm

40806

37430

w

e

m

Scr

Ce

3x35mm

Tighten the diff screws in this order.

1

4

*Apply grease to the differential gear
during assembly.

nt

e

3x10mm

40840

40813

1:1

Down

* Notice the direction of
the front lower arm holder.

3

2

6

ASSEMBLY OF THE FRONT SHOCK STAY

3x10mm

94003
3x10mm
Hex Screw

.....x2

40870

7

ASSEMBLY OF THE FRONT LOWER ARMS

* A 3x8mm set screw is used to
adjust Droop.

* Notice the direction of the front lower arm holder
in rear.

Up

1:1

94035
3x8mm
Set Screw

94004
3x12mm
Hex Screw

8

ASSEMBLY OF THE FRONT UPPER ARMS

*Adjust the caster angle by changing the position of the
caster angle spacer on the top arm.
*Caster angle adjustments can be made from 20 degrees
to 24 degrees.

20 Degree 24 Degree

.....x2

.....x2

40930(Left Side)

3x12mm

40930

40813

Ensure
Free
Movement

40825

40933

Ensure
Free
Movement

40930

1:1

3x8mm

40825

40930

40931

1:1

Ensure
Free
Movement

3x15mm

94005
3x16mm
Hex Screw

9

ASSEMBLY OF THE KNUCKLE ARMS

37430
5x11mm Ball Bearing

37390
2x10.8mm Pin

.....x2

.....x4

.....x2

Step 1

*Notice the direction of the
plastic washer.

39140

40932

39150

40930

6

40930
(1mm)

40930

40930
(1mm)

1:1

37360

Step 2

40933

Ensure
Free
Movement

40875

40930(Right Side)

Assemble for both right and left side.

Ensure
Free
Movement

37430

37430

Do Not
Over Tighten

40934

40932

Ensure
Free
Movement

40840

37390

10

ASSEMBLY OF THE KNUCKLE AND FRONT SUSPENSION ARMS

11

ASSEMBLY OF THE FRONT STABILIZER

Assemble for both right and left side.

Use

2.5mm

Hex Wrench

Assemble for both right and left side.

94035
3x8mm
Set Screw

30403
6mm Ball

94005
3x16mm
Hex Screw

12

ASSEMBLY OF THE FRONT STABILIZER

.....x2

.....x2

.....x2

3x16mm

S

Ce

crew

Makes two rods for left and right
hand-side.

40848

30341

30403

3x3mm

t

en

m

S

Cet

r

ec w

emn

3x3mm

*Approx. 3.5mm

3x8mm

40848

94033
3x3mm
Set Screw

94044

2.5x8mm
Hex Screw

.....x4

.....x2

3x3mm

2.5x8mm

40840

Ensure
Free
Movement

40817