OFNA Racing 2-Speed, Shoe User Manual

Instructions, Ofna racing installation sheets

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#35011 1/8 SCALE 2-SPEED TRANSMISSION SET (Shoes Type)

#35011 1/8 SCALE 2-SPEED TRANSMISSION SET (Shoes Type)

INSTRUCTIONS

* This professional two speed transmission is only for ULTRA GT series and ULTRA GTP series kits.

1st Spur Gear
(49T.48T.47T)

# 35225
1st Spur Gear
Holder
(One-Way
bearing installed)

*NB, this mark is for
the Counter Clockwise nut.

49

Counter
Clockwise

#35228
Alum. Nut
(Counter clockwise)

#35219
Alum. Nut
(Clockwise)

* Push down firmly keeping
the gear straight.

49

#35231
8x10x1.5mm
Alum. Ring

49

2 SPEED TRANSMISSION AFTER ASSEMBLY.

#35234
2nd Spur gear
Clutch Bell, rev 3
(Ball bearing Type)

#35230
8 x 12mm
Flange
Ball earing

#35230
8 x 12mm
Flange
Ball bearing

* Push bearing into
the gear holder.

#35222
Center Gear
Shaft

* Put the 2 speed carrier
in the "D" cut.

5 X 5mm
Set Screw

#35235
Clutch Shoe Carrier

0

5

10

15

20

25

mm

Not less
than 7mm.

* Note: Put the small ring
on the short side.

*2nd gear Adjustment
Hole.

2nd Spur Gear
(46T.45T.44T)

35237
Spring

35237
Spring

35237
M3x15mm
Hex Screw

35237
M3x15mm
Hex Screw

35237
M6x6mm
Set Screw

35237
M6x6mm
Set Screw

35237
4mm Ball

35237
4mm Ball

35237
3mm
Nylon Nut

35237
3mm
Nylon Nut

35236
2ud Gear
Clutch Shoes

6

Sand Paper

* Find a flat surface and use 500 grit
sand paper to ensure the shoes are flat.

Clockwise

* Important Pre-Setup

M3x15
Screw

M6x6
Set Screws

Clutch Shoes after assembly

2nd Gear Assembly

1st Gear Assembly

Short

Long

OFNA RACING INSTALLATION SHEETS

* Screw M3x15mm screw in until
spring compresses, do not crush!
Back screw off 5 turns. Shoe
assembly should set into alum.
Clutch holder.

* Tighten Set Screws M6x6mm
slightly to allow pressure from ball
to hold center cam. Do not over
tighten. Adjust both screws for an
even amount of pressure.

Slightly sand!

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