Yamaha 2014 MT-07 Service Manual page 379

Mechanical seal installer
90890-04132
Water pump seal installer
YM-33221-A
Middle driven shaft bearing driv-
er
90890-04058
Middle drive bearing installer 40
& 50 mm
YM-04058
4
3
1
New
3. Mechanical seal installer
4. Middle driven shaft bearing driver
A. Push down
3. Install:
• Mechanical seal (impeller side) "1"
TIP
Before installing the mechanical seal (impeller
side), apply tap water or coolant onto its outer
surface.
4. Measure:
• Mechanical seal (impeller side)
Out of specification → Repeat steps (3) and
(4).
ECA14090
NOTICE
Make sure the rubber damper and rubber
damper holder are flush with the impeller.
A
2
New
1
New
6-12
TIP
If the surface "a" of the mechanical seal (impeller
side) that contacts the mechanical seal (housing
side) is dirty, clean it.
Mechanical seal (impeller side)
0.15 mm (0.006 in)
1
a
1. Straightedge
2. Impeller
5. Install:
• Impeller shaft "1"
• Circlip "2"
TIP
• Be sure the circlip sharp-edged corner "a" is
positioned opposite side to the bearing.
• After installation, check that the impeller shaft
rotates smoothly.
a
2
WATER PUMP
2
1