Mechanical seal installer
90890-04078
Water pump seal installer
YM-33221-A
Middle driven shaft bearing driv-
er
90890-04058
Middle drive bearing installer 40
& 50 mm
YM-04058
Yamaha bond No. 1215
90890-85505
(Three Bond No.1215®)
A. Push down
4. Mechanical seal installer
5. Middle driven shaft bearing driver
3. Install:
• Rubber damper "1"
• Rubber damper holder "2"
TIP
Before installing the rubber damper, apply tap
water or coolant onto its outer surface.
4. Measure:
• Impeller shaft tilt
Out of specification → Repeat steps (3) and
(4).
ECA14090
NOTICE
Make sure the rubber damper and rubber
damper holder are flush with the impeller.
New
New
Impeller shaft tilt limit
0.15 mm (0.006 in)
1. Straightedge
2. Impeller
6-12
WATER PUMP