OFNA Racing OB4 RTR - Manual (Page 24)

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.