OFNA Racing LD3 Pro User Manual

Page 9

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ASSEMBLY OF THE 4 GEAR DIFFERENTIAL

ASSEMBLY OF THE FRONT GEAR BOX

(Build two differentials for front and rear.)

(Build a gear box for front.)

Cap Joint

Cap Joint

10x15x4mm

Ball Bearing

10x15x4mm
Ball Bearing

Diff.Case

2mm
E-Ring

2mm
E-Ring

2mm

E-Ring

90020
2.5mm

E-Ring

90020
2.5mm

E-Ring

5x8x1.5mm

O-Ring

5x8x1.5mm

5x8x1.5mm

O

O

-

-

R

R

i

i

n

n

g

g

5x8x0.8mm

38278

38278

38278

38256

38256

38256

38287

38258

38258

38259

38259

37430

38260

37430

37430

38254

38251

38252

38255

38255

38257

38257

38253

38253

37450

37450

37450

38255

37771

37771

37771

Washer

5x10mm
Washer

5x10mm
Washer

5x8x0.8mm
Washer (important)

5x10mm
Washer

10T Diff. Gear

(small)

10T Diff.Gear

10T Diff.Gear

(small)

(small)

13T Diff. Gear
(Large))

13T
Diff. Gear

13T
Diff. Gear

(Large)

(Large)

Step 1

Step 3

Step 4

Step 1

Step 2

10x15x4mm
Bearing

5x11x4mm
Ball Bearing

5x11x4mm

5x11x4mm

Ball Bearing

Ball Bearing

Gear case

Cap Joint

Large
Bevel Gear

Large
Bevel Gear

3x17.8mm
Pin

3x17.8mm
Pin

3x3mm

3x3mm

Set Screw
94033

Set Screw

16T

16T

Bevel Gear
(small)

Bevel Gear
(small)

16T

16T

Bevel Gear
Shaft

Bevel Gear
Shaft

(small)

(small)

16T

Bevel Gear
Cap Joint

Diff.Gasket

12x15x0.25mm
Shim

*Adjust the backlash

*Use 2 pcs in this side.

with the shim*

Flat Head
Tapping Screw

Flat Head
Tapping Screw

Flat Head
Tapping
Screw

M2x6mm

M2x6mm

94051
M2x6mm

*Check the right space
between two ball bearings.

* Put the gear in the
right position.

Put the grease into the diff. case
before assembly.

NOTE: DIFF GEARS AND PINION WILL
FEEL ROUGH UNTIL YOU RUN CAR. DO
NOT SHIM GEAR CASE FOR
SMOOTHNESS OTHERWISE GEAR WILL
STRIP.

Note: Peel off backing

FOLLOWING PAGES INCLUDE ASSEMBLY
FOR LD-3 RTR AND LD-3 PRO

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