Shimano FC-T8000 Dealer's Manual page 12

INSTALLATION
Threaded bottom bracket
Installation to the bottom bracket shell
(C)
Grease the left- and right-hand cups and
use the SHIMANO original tool to install
the right-hand cup of the bottom
bracket, the inner cover and the
left-hand cup of the bottom bracket.
(A) (B)
(D)
12
(A)
Inner cover
(B)
Right-hand cup (left-hand thread)
(C)
Left-hand cup
(right-hand thread)
(D)
Apply grease:
Premium Grease
(Y04110000)
Tightening torque
35 - 50 N·m
NOTICE
TL-FC25 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".