Shimano ALFINE S7051 Series Dealer's Manual page 91

MAINTENANCE
In the case of 11-speed internal geared hub (Oil maintenance kit: Y13098023)
(A)
3
(C)
4
5
6
Wait about 5 minutes with the hub kept still and not turning so that the oil settles.
To be continued on next page
Attach the bleed nipple with tube
attached to the hub shell.
(B)
(D)
With the piston of the syringe pushed
(A)
fully in, firmly connect the syringe to the
tube.
(B)
Insert the syringe between the spokes,
and slowly turn the wheel forward until
the oil port is facing down.
(z)
(z)
Turn in forward direction
91
(A)
Hub shell
(B)
Tube
(C)
10 mm spanner
(D)
Bleed nipple
Tightening torque
1 - 3 N·m
TECH TIPS
Check that the O-ring is properly installed on
the bleed nipple.
(A)
Tube
(B)
Syringe