Shimano Ultegra R8050 Series Dealer's Manual page 92

INSTALLATION OF HYDRAULIC DISC BRAKE SYSTEM
Adding Shimano genuine mineral oil and bleeding air
2
3
(A)
4
To be continued on next page
Turn over the bracket cover from the
back side.
Adjust the position of the bleed screw so
that its surface is parallel to the ground.
Remove the bleed screw and O-ring.
(B)
92
NOTE
When tilting, be careful not to forcibly pull on
the brake hose or shifting cable.
(A)
Bleed screw
(B)
O-ring
NOTE
Be careful not to drop the bleed screw and
O-ring.