Xray XB4, Instruction Manual

20

CASTER

ROLL-CENTER

4. FRONT TRANSMISSION

30 2665  COMPOSITE BALL JOINT 4.9MM - CLOSED WITH HOLE (4)
30 3122  ALU SHIM 3x6x1.0MM (10)
36 2210  COMPOSITE C-HUB 9° DEG. RIGHT
36 2211  COMPOSITE C-HUB 6° DEG. RIGHT (OPTION)
36 2220  COMPOSITE C-HUB 9° DEG. LEFT
36 2221  COMPOSITE C-HUB 6° DEG. LEFT (OPTION)
36 2250  COMPOSITE STEERING BLOCK
36 2280  ALU CONICAL SHIM 3x6x2.0MM (10)
36 2290  STEEL STEERING BUSHING - SHORT (2) 
36 2291  STEEL STEERING BUSHING - LONG (2)
36 2610  ADJ. TURNBUCKLE M3 L/R 50 MM  - SPRING STEEL (2)
36 2651  BALL END 4.9MM WITH THREAD 8MM (2)
36 2652  BALL END 4.9MM WITH THREAD 10MM (2)
36 5220  FRONT DRIVE SHAFT 81MM - HUDY SPRING STEEL™ 
36 5230  DRIVE SHAFT COUPLING  - HUDY SPRING STEEL™ 

36 5240  FRONT DRIVE AXLE - HUDY SPRING STEEL™
36 5350  ALU WHEEL HUB 14MM (2)
36 5351  ALU WHEEL HUB 14MM - OFFSET “-0.75MM” (2) (OPTION)
36 5352  ALU WHEEL HUB 14MM - OFFSET “+0.75MM” (2) (OPTION)
36 5470  COMPOSITE DRIVE SHAFT SAFETY COLLAR (3)
36 7220  FRONT ARM PIVOT PIN (2)

90 1306  HEX SCREW  SB M3x6  (10)
90 2205  HEX SCREW  SH M2x5  (10)
90 2312  HEX SCREW  SH M3x12  (10)
90 2314  HEX SCREW  SH M3x14  (10)
94 0510  HIGH-SPEED BALL-BEARING 5x10x4 RUBBER SEALED  (2)
94 0512  HIGH-SPEED BALL-BEARING 5x12x4 RUBBER SEALED  (2)
96 0030  NUT M3  (10)
98 0210  PIN 2x10  (10)

2x

2x

L=R

L=R

GRAPHITE GREASE
(HUDY #106210)

BEARING OIL

(HUDY #106230)

Effects of option hex hubs - see 
page 18/step 2.

SHORT AXLE

81mm DRIVE SHAFT

DETAIL

ALTERNATIVE 1

ALTERNATIVE 2

LOWER ROLL-CENTER
When the longer 
bushing is used at the 
top, the roll-center is 
in lower position.

HIGHER ROLL-CENTER
When the longer 
bushing is used at the 
bottom, the roll-center 
is in higher position.

Recommended for smooth track 
to gain more steering.

Recommended for rough track 
to gain stability.

CONICAL SHIM
3x6x2

Steel steering bushings allow to adjust 
the roll-center. For more details check 
ALTERNATIVE 1 and ALTERNATIVE 2.

Longer

Shorter

DETAIL

➊

➋

➌

➍

OIL

➊

➊

➋

➌

➌

➊

➋

➌

When inserting the bushings, make 
sure that bushings are inserted 
equally on both right and left hub to 
make the same roll center position.

IMPORTANT

NOTE 

ORIENTATION

362610

365220

365350

362250

362290

362220

940510

365470

367220

362651

960030

901306

902312

365230

362291

940512

362280

362651

365240

980210

362210

902314

303122

362280

362652

302665

902205

BAG

940512

BB 5x12x4

940510

BB 5x10x4

902205

SH M2x5

362280

CON. SHIM 3x6x2

902312

SH M3x12

902314

SH M3x14

980210

P 2x10

C-HUBS

#362210

Right 9° (STANDARD)

#362211

Right 6°     (OPTION)

#362220

Left 9°   (STANDARD)

#362221

Left 6°       (OPTION)

5x12x4

5x10x4

8mm 
THREAD