OFNA Racing OB4 RTR - Manual (Page 7)

37773
Steel Ring
REAR DIFFERENTIAL ASSEMBLY
37774
Differential
Cap Joint
39402
35T
Diff Pulley
Case
2mm E-Ring
37771
Bevel Gear
13T
*Snap E-Ring onto Diff Cap Joint.
37774
Differential
Cap Joint
37773
Steel Ring
35T
Diff Pulley
*Apply diff g grease to the
differential, during assembly.
ear
SILICONE
OIL
ASSEMBLY OF THE FRONT ARM BLOCK
39050
Front Arm Block
( Left )
37450
10 x 15mm
Ball bearing
37450
10 x 15mm
Ball bearing
39050
Front Arm Block
( Right )
39050
Front Belt Tension
Adjuster
39050
Front Belt Tension
Adjuster
* Both-side of the belt tension adjuster
must be place in the same position.
Position No.7or 8 is standard position.
1
2
3
4
5 6 7 8 9
10
11
12
13
Looser Tighter
1
2
3
4
5 6 8 9
10
11
12
13
* CHECKING YOUR DIFFERENTIAL ASSEMBLY
To test the effectiveness of the gear differential
hold the gear tightly with one hand and turn
one cap joint.
Does the other cap joint move in the opposite
direction and smoothly?
If the gear differential does not
smoothly,
assemble the gear diff. once again
move
37773
37751
Steel Ring x2
M2x10 Screw x4
2mm E-Ring x2
37774
Differential
Cap Joint, short x2
37772
Bevel Gear
10T x2
37775
3mmx20mm
Pin x1
37771
Bevel Gear
13T x2
M2x10 Screw
39434
Gasket
5
6
BAG
3
Step 6~15
PARTS USED
6 15 ~
39432
5x7x1mm
O-Ring
39432
5x7x1mm
O-Ring
Bevel Gear
13T
37776
37772
Bevel Gear
10T
37775
3mmx20mm
Pin
37771
2mm E-Ring
37772
Bevel Gear
10T
TIP
Grease all seals
before installing
for a better fit.
GREASE
1 1
2 2
3 3
4 4
5 5 6 6 7 7 8 8 99
10 10
11 11
12 12
13 13
7 7
7 7
3 x 10mm
Flat Head
Tapping Screw x4
Front ball Diff. Assembly
8 8 ASSEMBLY OF THE FRONT BLOCK ONTO CHASSIS
3 x 10mm
Flat Head
Tapping Screw
39420
Chassis
( Hard Coated)
* Insert the belt
before assembly.
38140
384 Belt
39050
Front Arm Block
( Right )
Front Arm Block
( Left )
*Notice the position of
the differential.
Short Long
OPTION PARTS: 39460
Front Ball Differential
ASSEMBLY OF THE FRONT ARM BLOCK
OPTION PARTS: 34961 - Rear Ball
Differential
39050
39458 Complete,
PARTS USED
OPTION PARTS: 39471
Alum. Suspension arm
Block (Front)
37480 35T Pulley (Ball Type)
37110 Diff. Washer
37120 1/8" Ball (12 Pcs)
37130 1/16" Ball (9 Pcs)
37130 Diff Trust Washer
37140 Cap Joint, front (l/s)
37141 Cap Joint, rear (s/s)
35958 5x8mm Ballbearing
37131 2.6x4.5 Spring Washer
37131 2.6x25mm Screw
Ball Diff Rebuild Parts:
37140 (L)
37140 (S)
37141 (S)
37141 (S)
Important