Yamaha F50D Servise Manual - page 227
8-28
0
1
2
3
4
5
6
7
8
9
10
A
Selecting the pinion shim (T3)
9
Spray anti-rust lubricant on the bearing
before installation. Do not apply gear oil to
the parts. Otherwise, correct measure-
ments cannot be obtained.
9
Keep the parts free of foreign material,
such as dirt and lint.
Do not damage the measurement plane
surface on the pinion height gauge, other-
wise accurate measurements cannot be
obtained.
1.
Install the taper roller bearing and the
drive shaft between the special service
tool
1
and
2
. Temporarily tighten the
bolts
3
.
TIP:
Do not install the pinion shim(s) (T3).
2.
Install the pinion
4
and pinion nut
5
,
and then tighten the pinion nut
5
tempo-
rarily.
3.
Check the gap
a
between the pinion
4
and the special service tool
1
.
NOTICE:
When tightening the pinion nut
5
,
check that the drive shaft rotates
smoothly. Also, make sure that there
is a gap
a
between the pinion
4
and
the special service tool
1
. If there is
no gap and the drive shaft does not
rotate, the special service tool could
be damaged.
TIP:
If there is no gap, the pinion shim(s) (T3) may
not have been removed.
4.
Install the special service tool
6
to the
drive shaft spline, and hold the special
service tool
6
to the vise.
5.
Tighten the pinion nut to the specified
torque.
Pinion height gauge set
1
,
2
,
3
:
90890-06668
1
2
3
3
Drive shaft holder 4
6
: 90890-06518
Pinion nut: 74 N·m (7.4 kgf·m, 54.6 ft·lb)
a
a
1
5
4
6
Shimming (F50D)