Shimano Ultegra R8050 Series Dealer's Manual page 73

INSTALLATION OF HYDRAULIC DISC BRAKE SYSTEM
Installation of the brake hose
2
(A)
(y)
(z)
3
ST-R8070
BR-R8070
To be continued on next page
Put a mark on the brake hose
beforehand as shown in the illustration
so that you can check if the ends of the
brake hose are secured to the hose
mounts of the brake caliper and the dual
control lever.
(As a guide, the length of the portion of
(z)
the brake hose that is inside the mount
is approximately 15 mm.)
Pass the brake hose through the
(B) (C) (D)
connecting bolt and olive, as shown in
the illustration.
(E) (C)
(F)
(B)
(z)
15 mm
(y)
Direction of insertion
(z)
Grease the outside of the olive.
73
(A)
Brake hose
(B)
Connecting bolt
(C)
Olive
(D)
Cut end
(E)
Grease
(F)
Flanged connecting bolt
NOTE
•
When installing to a built-in type frame,
make sure to first pass the lever end of the
brake hose through the caliper end of the
frame.
•
For ST-R8070, use a flanged connecting
bolt.
•
The length of the BR-R8070 connecting
bolt is as shown below.
When installing, be sure to do so correctly.
BR-R8070: 13.8 mm