Yamaha F30B 2018, Service Manual

Page: 235 / 348

8-15
Drive shaft and lower case
Assembling the forward gear
1. Install:
• Tapered roller bearing inner race “1”
Assembling the lower case
• Use heat-resistant gloves. Otherwise,
burns could result.
• To prevent fires, remove any flammable
substances, such as gasoline and oil,
around the working area.
• Keep good ventilation while working.
1. Install:
• Forward gear shim(s) (T1) “1”
• Tapered roller bearing outer race “2”
▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
a. Install the original forward gear shim(s) “1”.
b. Heat the area of the lower case where the
tapered roller bearing outer race is to be in-
stalled using a gas torch, and then install a
new tapered roller bearing outer race “2”.
When heating the lower case, heat the en-
tire installation area evenly. Otherwise, the
paint on the lower case could be burned.
TIP:
Do not reuse a shim if deformed or scratched.
c. While holding the special service tool,
strike the tool to check that the tapered roll-
er bearing outer race is installed properly.
TIP:
If a high-pitched metallic sound is produced
when the special service tool is struck, the out-
er race is installed properly.
A. Worldwide
B. USA and Canada
Bearing inner race attachment “2”
90890-06639
Forward gear bearing installer “3”
YB-06270-A
New
1
A
2
2
1
B
3
3
New
1
2
A
1
1
2
2