beautypg.com

Parts used, See parts list for many more gear ratio options, Assembly of the 2-speed clutch bell – OFNA Racing OB4 RTR User Manual

Page 24: Assembly of the servo and steering rod, Assembly of the fuel tank and handle

background image

PARTS USED

* Fit the flywheel using
a cross wrench 4mm long socket.

Pilot Shaft X2

3 x 5mm Screw x1

3 x 12mm Screw x4

3 X 8mm Washer x1

M3 Nylon Nut x4

5 x 10mm
Ballbearing x1

5 x 8mm
Ballbearing x2

36

36

37

37

59020

ASSEMBLY OF THE CLUTCH

* Place the clutch shoes with the clutch
springs over the 3 pins of the flywheel.

Using a small screw driver push the
small end of the clutch spring behind
the pilot shaft #59020 than press down.

Clutch Spring

Clutch Shoes

10010

10100

* Shoes are
trailing.

12-15 Class
Side Exhaust Engine

3 shoes flywheel

Pilot Shaft

59020

59021

HN

HN

3 x 5mm
Screw

Á

³

µ

·

* Note:
Counter clockwise
rotation of the flywheel.

HN

HN

3mm Nylon Nut

3mm Nylon Nut

38152
Engine Adapter

* This engine adapter is
for pull starter engines only.

Engine Mount

38151 - Engine Mount Hardware
3 x 12mm
Screw

38150

3 x 8
washer

35951
Clutch Bell

34110
5 x 10
Ball bearing

18T-2nd(race)
20T-2nd(speed)
Clutch Gear

14T-1st(race)
16T-1st(speed)
Clutch Gear

35958
5 x 8mm
Ball Bearing

ASSEMBLY OF THE 2-SPEED CLUTCH BELL

* Insert the 3mm nylon nut
into groove of the engine
mount.

SEE PARTS LIST FOR
MANY MORE GEAR
RATIO OPTIONS

34

4mm
Ball End

4mm
Ball End

4mm
Ball End

37650

37650

37650

4mm
Ball End

37650

39419
3 x55mm
Turnbuckle

39419
3 x55mm
Turnbuckle

0 10 20 30 40 50 60 70 80

mm

A

A

B

B

68mm

73mm

Approx

Approx

37360

4mm
Ball Socket x1

ASSEMBLY OF THE SERVO AND
STEERING ROD

* Snap onto
4mm ball &
socket.

37360
4mm
Ball & Socket

Servo Saver

Servo Saver
Adapter
( For: KO,Futaba,JR)

* Choose the correct servo saver
adapter for you servo.

Steering Servo Rod
(Righthand-Side) (Long)

A

A

Steering Servo Rod
(Lefthand-Side) (Short)

B

B

* Use the screw provided
with your radio.

3 x 10mm
Tapping Screw

3 x 10mm
Tapping Screw

3 x 10mm
Tapping Screw

39413
Handle

38190
Fuel Tank

37710
Cable Tie

Switch Screw

Switch

* Use the screws which come with
your switch.

35

ASSEMBLY OF THE FUEL TANK AND HANDLE

Use nylon strip tight up all wires.