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Seawater Pump Impeller - Inspect
When installing the impeller, pay attention to the orientation of impeller blades. The impeller may be broken if it is
incorrectly installed.
1. Remove the seawater pump cover.
2. Remove the impeller using a puller.
3. Check the impeller for damage, cracks, and if any
defects are found, replace the impeller with a new
one.
Check the inside the case, and if damaged, replace
it with a new one.
Check the cam, and if damaged or worn, replace it
with a new one.
4. While paying attention to the orientation of impeller,
install the impeller to the seawater pump case.
5. Install the cover with O-ring to the pump case.
Note: Because of simple structure, the puller is not in-
cluded in the special tools.
Please use commercially available puller or
make it by yourself.
Chapter 8 PERIODIC INSPECTION AND MAINTENANCE PROCEDURES
Sea water
pump
Fig. 8-27 Seawater Pump Impeller - Inspect
Impeller
Puller
8-21
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