OFNA Racing DM-1 Spec User Manual

BLANK

MUST READ THIS BEFORE RUNNING

Running a nitro kit is fun and easy, but to make this a safe • Clean oil and dirt from chassis with a degreaser like
and good experience you must observe a few rules. This
kit is extremely fast, easily over 40MPH, and can seriously
injure someone if you are not careful.

Where to run car?

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

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

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

• Do not run near people or animals.
and will too easily hit someone.

• Due to noise, you will want to consider the surrounding
area when operating the car.

• Do not operate the car at night. You will not be able to
drive it without hitting something.

• Do not operate the car indoors. Engine exhaust is not
healthy.

Glow Fuel

• Glow fuel is poisonous!

• Glow fuel is flammable!

• Do not leave in fuel bottle with lid off at any time. label for additional precautions.

• Do not use any fuel other than glow fuel in this engine.

First Time Starting the Engine

Caution! When starting engine make sure the following is
observed. • Always turn off the car BEFORE turning off radio.

• Set engine Master needle to 3 turns (rich setting)

• Do not do this alone, get an experienced friend to help at • DAMAGE DUE CAR RUN AWAY IS NOT A WARRANTY
first. ISSUE.

• Fill fuel tank, try not to spill fuel. Do not spill fuel on
receiver

• Hold car off the ground, so it will not runaway when first
starts

• Turn on Radio and check the linkage before starting
engine.

• Turn on car receiver battery switch.

• Always have an air filter on the carburetor to keep dirt
out of engine.

Engine Break-in

• See Engine Page.

The car is very fast

Simple Green.

Precautions

• This kit is not a toy. Always run car with a second
person as a spotter and pitman.

• Hot Parts - The pipe, manifold, engine and head are very
hot and will cause burns.

• Rotating Parts - Keep hands away from the drive train,
wheels, and engine when engine is running.

• Radio - Check batteries life before running the car. If
radio does not have full control of the car with steering
and/or throttle/brake do not run until corrected. Failure to
correct this will result in possible injury and damage to the
car or property.

• Glow fuel - Do not leave the glow fuel unattended with
the lid off. Fuel contains Methanol and Nitro Methane
both are flammable and poisonous.

•Store fuel in cool ventilated location. Refer the glow fuel

• Car Fuel tank - Never store fuel in car tank, it will ruin the
engine if left in tank.

IF YOU DO NOT BREAK-IN ENGINE
CORRECTLY, MAINLY AT LOW RPM,
YOU WILL BREAK THE CONNECTING
ROD!

FAILURE TO NOT READ AND
FOLLOW BREAK-IN ENGINE

Emergency Stopping Engine When Running

• Remove air filter and cover carb. intake.

• Squeeze fuel line and hold until engine stops.

• With a rag, cover exhaust outlet.

Storing Car After Running

• Remove fuel from tank and fuel lines

• Turn off radio in car

• Put a few drops of after run in engine to keep it from
rusting.

INSTRUCTIONS WILL VOID
WARRANTY!

CHECK RADIO SETTING,
LINKAGE BEFORE STARTING.

THINGS NEED BESIDES THE KIT

3.5 cc (21 Class) ENGINE
REAR EXHAUST

OFNA/Picco
P-9R EVO

#51219

REQUIRED FOR OPERATION

Glow Fuel

20%

Bottle’s with spout
# 10160 - large 500cc
# 10161 - large 500 ccAuto Stop
# 10162 - small 250cc
# 10164 - CNC spout 500CC
# 10167 - CNC spout 800CC

Glow Plug Long Heat with Battery & Charger

# 10215....$27.95

(please note OFNA Glow Heats available)

Note: Pro kit does not include engine!

RADIO CONTROL UNIT

Note: Carefully read the instruction manual of your
2 channel radio controller before using.

SUITABLE SERVO SIZE

m

m

1

mm-4

36

15mm - 21mm

29mm - 42mm

Off-Road Starter Box, 12V motor
# 10250 - 1/8 scale Starter Box
# 10253 - 1/8 scale Starter Box w/ Panel
Off-Road Starter Box, two 550 motors
# 10248 - 1/8 scale Starter Box
# 10249 - 1/8 scale Starter Box,RTR
Optional Parts
# 92571 - Power Panel Glow Heater
# 92572 - Cable for Glow Plug

Radio must be set at neutral position
before installing in the kit.

SEQUENCE TO SET NEUTRAL

Install AA batteries in Radio.

Extend the antenna.(Transmitter)

Install batteries into Car receiver .

After installing the battery, connect the
battery box.

Extend the antenna. (Receiver)

Set the trim-lever at center.

Turn on the switch. (Transmitter)

Turn on the switch. (Receiver)

Make sure the servos are in command.

When the operation stick is in neutral,
servo horns must be in neutral as will.
*Adjustment can be made by re­ installing the servo horn.

Turn off the switch. (Receiver)

111111

Turn off the switch. (Transmitter)

12

Retract the antenna. (Transmitter)

13

12V Battery for Starter Box
(must have)

AA Batteries ( 12 pcs ) for radio

More Optional Parts . . .

#10202 NiHm Battery Hump

Pack .. $34.95

# 10214 NiHm Battery Pack
Charger.. $7.95

# 51007 OFNA/Picoo Glow
Plug .. $13.95

TOOLS NOT INCLUDED IN KIT

Phillips Type Screw Drivers ( L )

Phillips Type Screw Drivers ( S )

Needle Nose Pliers

Knife

Cutter

Curved Scissors

Precision Caliper

Brush

Cross Wrench

Instant Cemment

Masking Tape

Paints

INCLUDED WITH KIT

1.5mm Allen Wrench

2mm Allen Wrench

2.5mm Allen Wrench

4mm'5mm Allen Wrench

PLASTIC PARTS FOR USE

40533
FRONT AND REAR GEAR BOX

40717
FRONT AND REAR LOWER ARM

40538
DIFF. CASE

40537
REAR UPPER ARM

40718
FRONT KNUCKLE ARM

40716
FRONT UPPER ARM

40721
FRONT BUMPER

31304
REAR UPPER RIGHT

40643
SHOCK PLASTIC

Parts For
Not Use

30800
Throttle Linkage Plastic

40040
CENTER DIFF. MOUNT PLASTIC PARTS

PLASTIC PARTS FOR USE

40541
RECEIVER BOX

40735
EXHAUST PIPE DETAIL PARTS
AND BACK MIRROR

40539
SERVO SAVER

Parts for
Not Use

4071940719
ARM HOLDER

40722
EXHAUST GAS DEFLECTOR

40720
SIDE IMPACT BUMPER AND BODY POST

SYMBOL USED THROUGHOUT THE INSTRUCTION MANUAL

Degrease With
Motor Spray

Apply OilApply Screw

BAG

Sc
C

em nte

rew

Parts Bag Used

Cement

Oil

Do Not
Over Tighten

Apply
Grease

40734
REAR WING AND WING MOUNT

Do Not
Over Tighten

Tighten

Apply Grease

1:1

Tighten

True-To-Scale

Ensure
Free
Movement

Rotate
Direction

Ensure Free
Movement

Clockwise
Rotation

Contact
Adhesive

Rotate
Direction

Contact Adhesive

Anti-clockwise
Rotation

1

ASSEMBLY OF THE FRONT SHOCKS

*Assemble 2 seets for front

40090

3.5mm O-Ring

40090
1mm Washer

40090
2mm Washer

.....x4

.....x2

.....x2

Step 1 Step 2 Step 3

40640

40633

Oil

40636

*Fit the o-ring into groove
beforeassembly.

40634

40090
40090
2mm

40090

40090
1mm
40090

40737

Oil

40736

2.6x5mm

40638

2.6x5mm

40060

*Be careful not to damage shock shaft.

30403

40643(Short)

Step 4

Fill the shocks with oil #80.

40090
7mm R-Ring

1.Pull down piston and pour
oil into shock cylinder.

2.To remove air bubbles by
slowly moving piston up
and down.

3.Pull down piston, attach
pressure top and shock oil
overflow with tissue paper.

0 20

2

ASSEMBLY OF THE REAR SHOCKS

*Assemble 2 seets for rear

40090

3.5mm O-Ring

40090
1mm Washer

40090
2mm Washer

.....x2

.....x4

.....x2

.....x2

Step 5 Step 6

Tighten

30

4010

40640

40633

Oil

CORRECT SHOCK ASSEMBLY

Carefully screw the shock
shaft into the bottom of the

40738

40643

40636

Step 2Step 1

*Fit the o-ring into groove
beforeassembly.

40634

40090

40090
2mm

40090

40090
1mm

40090

40632

2.6x5mm

Step 3

40054

40638

plastic ball and until the
distance between the ball
end and the shock is 14mm.

N.B. Do not over tighten
as the plastic will strip.

*Be careful not to damage shock shaft.

30403

40643(Short)

14mm

OK

Step 4

Fill the shocks with oil #80.

40090
7mm R-Ring

1.Pull down piston and pour
oil into shock cylinder.

2.To remove air bubbles by
slowly moving piston up
and down.

3.Pull down piston, attach
pressure top and shock oil
overflow with tissue paper.

.....x2

0 20

30

Step 5

Tighten

2.6x5mm

Oil

Step 6

40751

40060

CORRECT SHOCK ASSEMBLY

Carefully screw the shock
shaft into the bottom of the
plastic ball and until the
distance between the ball
end and the shock is 32mm.

N.B. Do not over tighten
as the plastic will strip.

32mm

40643

OK

4010

1

4

ASSEMBLY OF THE FRONT AND REAR DIFF.

NO.2

Builds two differentials for front
and rear.

40010

2.5x13.8mm Pin

94034
4x4mm
Set Screw

40009
P6 O-Ring

36053
8x16mm Ball Bearing

5

ASSEMBLY OF THE FRONT AND REAR DIFF.

.....x4

.....x2

.....x4

.....x4

BAG

Step 1 Step 2

40538
Diff. Case

40009
P6
O-Ring

40513
Diff. Gear
(Large)

36053
8X16mm
Ball Bearing

Oil

4X4 mm
Set Screw

40010

2.5x13.8mm
Pin

40514
Cap Joint

Oil

40514
Cap Joint

36053
8X16mm
Ball Bearing

40513
Diff. Gear

40517
43T
Large
Bevel Gear

40009
P6
O-Ring

40010

2.5x13.8mm
Pin

Builds two differentials for front
and rear.

30776
4x10mm
Washer

94020
3x12mm
Flat Head
Hex Screw

30773
4mm
Cross Pin

6

ASSEMBLY OF THE FRONT AND REAR GEAR CASE

.....x16

.....x8

.....x4

NO.1

BAG

NO.12

Step 1 Step 2

NB. It is very important to remove
the 30776 washer if the gear
mesh is too tight.

30773
4mm
Cross Pin

30776
4X10mm
Washer

NO.2
NO.4

BAG

NO.5

40024
13x16x0.2mm
Shim

.....x8

Step 1 Step 2

Apply

40024
13X16X0.2 mm
Shim

Grease

40533
Gear Case

40513
Diff. Gear
(Small)

3X12mm
Flat Head
Hex Screw

40011
Diff. Gasket

i

f

f. l

O

iD

*Put the Diff. Oil #100000 for front
and the #50000 for Rear
*Fill the Diff. case to approx. 80%
with the Diff. Oil

94036
5x5mm
Set Screw

40519
Cap Joint

36053
8X16mm
Ball Bearing

Sc wre

Cem

Tighten

Tight the diff screws in this order.

1

4

Builds two gear case for front and rear.

ent

3

2

36053
8x16mm Ball Bearing

94011
4x16mm
Hex Screw

94015
4x35mm
Hex Screw

.....x4

.....x4

.....x4

40024
13X16X0.2mm
Shim

36053
8X16mm
Ball Bearing

40516
13T
Small Bevel Gear

¡¯Adjust t he backl ash
¡@wi t h t he shi ms.

4X16mm
Hex Screw

4X35mm
Hex Screw

40533
Gear Case

2

7

ASSEMBLY OF THE SERVO SAVER

NO.3

BAG

Step 1

40037
Steering Plate
Hex Screw

40563
Servo Saver
Tube(Hard-Coated)

Step 2

40073
4x8mm
Flange Bearing

*Tighten the steering plate hex screw
all way down and then back it off 1/2
turn.

Oil

40539
Servo Saver
Horn

40560
Alum. Servo Saver
Connecting Plate
(Hard-Coated)

40024
13x16x0.2mm
Shim

40073
4x8mm
Flange Bearing

40037
Steering Plate
Hex Screw

8

ASSEMBLY OF THE SERVO SAVER

.....x2

.....x2

.....x2

40024
13X16X0.2mm
Shim

Step 1 Step 2

94041
3mm
Nylon Nut

94003
3x10mm
Hex Screw

.....x5

.....x5

Rotate
Direction

40539
Servo Saver
Horn

40500
Servo Saver
Spring (Black)

40034
Servo Saver
Spring Tension
Adjuster

40745

3mm

3x10mm

40719

* Notice the direction of the servo saver connecting plate.

40539

40719

Ensure
Free
Movement

40539
Servo Saver
Horn

40531

40531
Shock Ball
End Post

90018
3x25mm
Cap Screw

9

ASSEMBLY OF THE SERVO SAVER

94026
4x12mm
Flat Head
Hex Screw

40074
6x10mm
Ball Bearing

.....x2

.....x2

BAG

.....x2

.....x4

40719

NO.3

S
C

cr

m

e nt

3mm

4x12mm
Flat Head
Hex Screw

Sc

ew

r

en

em t

C

Right

40511
Servo Saver
Post

Left

*Set the left and right hand side upper arm
adjuster in the same direction.

w

e

e

Sc w re

C nt

3x25mm

40074
6x10x3mm
Ball Bearing

40074
6x10x3mm
Ball Bearing

eme

40074
6x10x3mm
Ball Bearing

Scre

C

w

t

n

e

em

3