Ofna Racing Nexx 10SC User manual

1.Before Starting
2.While Operating
•Please read manual carefulyl (With a parent, guardian or a responsible adult if necessary).
•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
IMPORTANT-READ THIS BEFORE RUNNING
•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.

TOOLS NOT INCLUDED IN THE KIT
Phillips Type Screw Drivers ( L )
Phillips Type Screw Drivers ( S )
Cutter
Curved Scissors
Part# 91009
Craft Knife
Instant Cement
CA Part # 10239
Masking Tape
Precision Caliper
Needle Nosed Pliers
Equipment Needed
7.4V L i-Po Battery(Hard Case)
Ni-Mh/Lipo AC/DC 5amp
Battery Charger
Part# 91849
6-Cell 7.2V Ni-Mh Battery
OVERVIEW
8 "AA" Type
Batteries
LBattery Charger
Part# 91853
i-Po
*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.
*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.
CAUTION
Components
Transmitter
Parts Bag
12T/550 Brushed Motor
B4222
Brush Electric Speed
Controller
Servo
Radio Control Car
Power Supply
Part # 92135

40921
BUMPER & RADIO TRAY POST & BODY POST
40835
DIFF. CASE
40840
FRONT & REAR GEAR BOX
37100
SHOCK ABSORBER
PLASTIC PARTS FOR USE
40930
FRONT UPPER ARM AND ARM HOLDER
40970
REAR LOWER ARM
40932
FRONT KNUCKLE ARM
40931
LOWER ARMFRONT

40944
REAR BUMPER
40943
FRONT BUMPER
40946
BATTERY CASE & RECEIVER BOX
40945
REAR BUMPER BRACE
37381
BALL END (4mm)
PLASTIC PARTS FOR USE

40948
SPUR GEAR (46T)
SYMBOL USED THROUGHOUT THE INSTRUCTION MANUAL
Ensure
Free
Movement
Ensure Free
Movement
Apply
Grease
Apply Grease
Oil
Tighten
Tighten
Do Not
Over Tighten
Rotate
Direction Rotate
Direction
Contact
Adhesive
Contact Adhesive
Sew
cr
Cement
BAG
1:1
Parts Bag Used Degrease With
Motor Spray
Do Not
Over Tighten
Clockwise
Rotation
Anti-clockwise
Rotation
True-To-Scale
Apply OilApply Screw
Cement
40843
REAR UPRIGHT
40844
CENTER DIFF. MOUNT
40947
BODY POST & CENTER BRACE
40848
STABILIZER BALL END
40834
SERVO SAVER
PLASTIC PARTS FOR USE

1
2
3
ASSEMBLY OF THE FRONT AND REAR DIFF.
ASSEMBLY OF THE FRONT AND REAR DIFF.
ASSEMBLY OF THE CENTER DIFF.
Step 1 Step 2
Step 1 Step 2
Step 1 Step 2
4x4 mm
40009
40009
37450
10x15mm Ball Bearing
94034
4x4mm
Set Screw
30780
2x12.8mm Pin .....x4
.....x4
.....x4
.....x2
40009
P6 O-Ring
30780
Oil
Oil
*Build two differentials for front and rear.
.....x16
30776
4x10mm Washer
30773
4mm
Cross Pin .....x4
40011
2.6x10mm
40805
30776
94046
2.6x10mm
Flat Head Screw
.....x8
94034
4x4mm
Set Screw
30780
2x12.8mm Pin .....x2
.....x2
.....x2
.....x1
40009
P6 O-Ring
Tighten the diff screws in this order.
1
4
3
2
40808
40808
37450
37450
40835
40805
40803
30780
40805
30780
40805
40009
40808
37450
40948
37450
10x15mm Ball Bearing
Tighten
30773
*Build two differentials for front and rear.
Oil
4x4 mm
40835
40009
Oil
40808
37450
40805
30780
Grease
*Apply grease to the differential gear
during assembly.

4
5
6
ASSEMBLY OF THE CENTER DIFF.
ASSEMBLY OF THE FRONT GEAR CASE
ASSEMBLY OF THE FRONT SHOCK STAY
Step 1 Step 2
Step 1 Step 2
.....x8
30776
4x10mm Washer
30773
4mm
Cross Pin .....x2
40011
2.6x10mm
30773
40805
30776
.....x4
Tighten the diff screws in this order.
1
4
3
2
3x35mm
3x10mm
*Adjust the backlash with the shims.
Apply
Grease
w
Scre
Cement
38254
12x15x0.25mm Shim .....x2
37430
5x11mm Ball Bearing
.....x2
94043
3x35mm Hex Screw
.....x2
94003
3x10mm Hex Screw
.....x2
94003
3x10mm
Hex Screw
.....x2
38254
38254
40804
37430
37430
40840
40806
4x4mm
40840
40813
94046
2.6x10mm
Flat Head Screw
94034
4x4mm Set Screw
.....x1
1:1
Tighten
Down
* Notice the direction of
the front lower arm holder.
3x10mm
40870
Grease
*Apply grease to the differential gear
during assembly.