T H M
C L A V I C U L A X C
E
21
LOREM
IPSUM
ASSEMBLY
Adjusting the bottom bracket
Excessive bearing wear can occur if the bottom bracket preload is too high.
Only adjust the bottom bracket if the clamping screw has been loosened!
Usually, the required tightening torque of the adjusting screw for a correctly adjusted
bottom bracket is approximately 0.3
–
1N·m (3
–
9lbf·in).
-
Screw the adjusting screw
(1)
counterclockwise into the axle
–
when doing this use the THM
adjusting tool or a 6 mm Allen key.
-
Tighten the adjusting screw
carefully
and
slowly
counterclockwise
until
the
bottom bracket does not exhibit
any play but can still be turned
easily by hand.
-
Adjustment of the bottom bracket
is now complete.
-
Remove the clamping screw
(2)
and clean it.
-
Apply a medium-strength thread
lock (Loctite or other similar
substance) to the thread of the
clamping screw.
-
Reassemble the clamping screw.
-
Tighten the clamping screw
(2)
to
15 Nm
(133 lbf·in)
.
INFO
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2