Step 2, Assembly of the front gear box – OFNA Racing LD3 RTR User Manual
Page 5
ASSEMBLY OF THE 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.
Step 2
M3X12mm
M3X12mm
Screw
94004
Screw
94004
M2.6X10mm
Screw
94050
M2.6X10mm
M2.6X10mm
Screw
94050
Screw
94050
Gear Case
Gear Case
38251
38251
ASSEMBLY OF THE FRONT GEAR BOX
(Build a gear box for front.)
* The gear box after assembly.
38321
Note: Peel off backing