Seawater Pump Diagram (2Gm, 2Gm20,3Gm And 3Gm30 Models) - Yanmar 1GM10 Shop Manual

COOLING SYSTEM
SEAWATER PUMP
5
2. Remove the cover (18, Figure 28) and gasket (17).
Discard the gasket.
3. Extract the impeller (16, Figure 28) from the pump
body and remove the drive key (8).
4. Rotate the pump shaft to check the bearings for rough-
ness, excessive wear or other damage. Do not remove the
shaft assembly unless replacement is necessary.
5. Remove the snap ring (4, Figure 28).
6. Lightly tap the impeller shaft (7, Figure 28) toward the
front of the pump to remove the impeller shaft and bearing
assembly.
7. Unscrew the cam retaining screw (14, Figure 28), then
remove the cam (15).
13. Cam retaining
2. Washer
3. Pulley 14. Elbow
4. Spacer 15. Elbow
5. Snap ring
16. Cam
6. Bearings 17. Impeller
7. Spacer
18. Gasket
8. Cover 19. Cover
9. Shaft
20. Screw
10. Seal ring 21. Bracket
11. Seal 22. Lockwasher
12. Pump body 23. Bolt
NOTE
When removing bearings, note the snap ring
located between the bearings.
175
screw