Shimano DURA-ACE FC-R9100 Dealer's Manual page 13

INSTALLATION
Threaded bottom bracket (HOLLOWTECH II)
Installation to the bottom bracket shell
(C)
Grease the left and right hand adapters
and use the Shimano original tool to
install the right hand adapter of the
bottom bracket, the inner cover and the
left hand adapter of the bottom bracket.
(A) (B)
(D)
13
(A)
Inner cover
(B)
Right hand adapter
(counterclockwise thread)
(Clockwise thread (right-hand
thread) for 70 mm [M36] bottom
brackets)
(C)
Left hand adapter
(clockwise thread)
(D)
Applying grease
Premium grease (Y-04110000)
Tightening torque
35 - 50 N·m
NOTE
TL-FC24 are tightened by combining with
TL-FC32/FC36.
TECH TIPS
For tool combinations used when installing/
uninstalling the bottom bracket, refer to "List
of tool combinations".