OFNA Racing Ultra MBX Pro - Manual (Page 7)

30121
3 x 5mm
Screw
(Small Head)
30751 Diff. Case ( Front/Rear )
30761 Diff. Case (Center )
30751 Diff. Case ( Front/Rear )
30761 Diff. Case (Center )
30779
P5 O-Ring
( Orange )
30779
P5 O-Ring
( Orange )
30779
0.5 x 26mm
O-Ring
30779
2 x 12.8mm
Pin
30779
2 x 12.8mm
Pin
30779
4 x 10mm
Washer
30779
4 x 10mm
Washer
30779
4 x 10mm
Washer
30769
Diff.
Bevel Gear
( Small )
30769
Diff.
Bevel Gear
( Small )
30769
Diff.
Bevel Gear
( Small )
30769
Diff. Bevel Gear
( Large )
30769
Diff.
Bevel Gear
( Large )
Grease
* Position the O-ring
as shown.
* Apply diff. Gear grease to the
differential, during assembly.
ASSEMBLY OF THE BEVEL GEAR ( Builds two differentials, for front and rear. )
5 x 5mm
Set Screw
3 x 5mm
Screw
* Fill the diff. Case to
approx 70% with grease.
Note:
Always use shims as shown.
30773
4mm
Cross Pin
30773
4mm
Cross Pin
30771
Diff. Shaft
30771
Diff. Shaft
30779
3x10mm
Screw
30779
3x10mm
Screw
* Notice the straight holes
are for front and rear.
90026
5 x 5mm
Set Screw
90026
5 x 5mm
Set Screw
39730
Cap Joint
36730
Cap Joint
30620
7 x 19mm
Bal lbearings
30620
7 x 19mm
Ball bearings
Sc
rew Ce
me
nt
Sc
re
w
Ce
m en
t
31010
Optional - Bevel Gear
(Harden Steel)
30121
3mm
Tube
30121
3mm
Tube
30121
3 x 5mm
Screw
* Push 3mm tubes into
holes of the diff. Case.
30120
Bevel Gear
(Large/Metal)
31324 - FRONT OR REAR DIFF UNIT
31325 - CENTER DIFF UNIT
ASSEMBLY OF THE FRONT AND REAR AND CENTER DIFFERENTIALS
30701 - Hex Screws, Misc. Sizes