3-8
Maintenance
4st 4/5/6 2011
2. Remove lower unit installation bolts 2, and pull lower unit
ass'y downward to remove.
a Projection
3. Remove pump case (Upper) 3.
4. Remove impeller 4 and check it.
5. Check upper pump case for deformation. Replace if
necessary.
6. Check impeller 4 and pump case liner 5 for cracks and
wear. Replace if necessary.
7. Check pin 6 and drive shaft groove b for wear. Replace if
necessary.
8. Reinstall the part. For details, refer to Chapter 6.
MFS4-5-6Ech03110422.qxd 11.4.22 5:45 PM ページ8