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Shimano SG-7R46 Service Manual page 7

Nexus 7-speed hub
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4.
Engage the teeth of sun gear
unit 2 & 3 with the teeth of the
planet pinion in carrier unit 1
while turning sun gear unit 2 &
3 slightly to the left and right,
and then press in carrier unit 1.
The gear with the smooth ring
section is at the top
5.
Place ring gear unit 2 onto
carrier unit 1.
6.
Engage the teeth of the planet
pinion in carrier unit 2,carrier
guides 2 and the teeth of ring
gear unit 2 while turning carrier
unit 2 slightly to the left and
right, and then press in ring
gear unit 2.
Note:
Apply a liberal coating of
internal hub grease to the teeth
of the planet pinion (3 places) in
carrier unit 2.
If undue force is applied, the
pawls inside will become
damaged, which will cause
operation problems.
Carrier unit 1
Teeth of planet pinion
in carrier unit 2
Teeth of sun gear unit 2 & 3
Teeth of planet pinion in carrier unit 1
Note:
Apply a liberal coating of internal
hub grease to the teeth of sun
gear unit 2 & 3.
Be careful of the setting
direction. If the setting is
reversed, installation will not be
possible.
If undue force is applied, the
pawls inside will become
damaged, which will cause
operation problems.
Ring gear unit 2
Note:
Apply a liberal coating of internal
hub grease to the teeth of ring
gear unit 2.
Set so that the part with the
teeth is at the top.
Groove in stop ring for carrier
guide 2 should be visible
Check:
Check that the groove in the stop
spring for carrier guide 2 is visible
from the edge of carrier unit 2
while carrier unit 2 is pushed
down.
Teeth of ring gear
unit 2
GREASE
(Y-041 20800)
GREASE
(Y-041 20800)
7

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