7
XT8XT8E
DIFFERENTIAL OIL
After assembly the differentials should
have a length of 32.3~32.5 mm
measured from the ends of the installed
ball-bearings. If differentials are
longer, retighten the 4 screws holding
the crown gears.
32.3~32.5 mm
1. F&R DIFFERENTIALS
964030
S 3.5x12x0.2
903312
SFH M3x12
2x
➊
➋
➌
➍
➎
➏
➊
➋
➌
➍
940816
BB 8x16x5
964060
S 6x18x0.2
971061
O 6x1.55
980261
P 2.5x11.5
Rear diff:
Silicone oil 5.000cSt
Fill just above the
satellite gears.
Rear diff 5.000cSt
Front diff 10.000cSt
Front diff:
Silicone oil 10.000cSt
Fill just above the
satellite gears.
Graphite Grease
(HUDY #106210)
Graphite Grease
(HUDY #106210)
F=R
Tighten the screws equally. Finish tightening in this order.
BOOK
SET-UP
Use HUDY Ball-Bearing Grease
#106220 - STANDARD
#106221 - BLUE
#106222 - RED
OIL OIL
➎
STEP DETAIL
DETAIL
Fill the differentials
with oil just above the
satellite gears.
IMPORTANT!
VERY IMPORTANT!
OIL
INCORRECT
CORRECT
Do not overfill the differential.
If there is too much oil in the
differential, it may leak after
it cools down after use.
Use the following silicone oils included in the kit for initial settings:
FRONT diff: 10.000cSt / REAR diff: 5.000cSt
#107865 HUDY Ultimate Digital Pocket Scale 300g±0.01g
To ensure you have the same amount of oil from rebuild to rebuild, do the following:
1. Put the diff (without oil) on the scale and check the weight:
- REAR DIFF approx. 39.30g
- FRONT DIFF approx. 40.10g
2. Slowly pour oil into the diff and watch the weight.
Add 2.70g of oil into the diff. The approximate
weight of the diff+oil is REAR DIFF approx. 42.00g
and FRONT DIFF approx. 42.80g.
FRONT
FRONT
REAR
g
g
g
g
REAR
39.30g + 2.70g = 42.00g
40.10g + 2.70g = 42.80g
OIL
FRONT DIFF
REAR DIFF
39.30
40.10
42.00
42.80
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