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Chapter 8
Volvo IPS-Checking Engine Seawater Pump/Impeller
NOTICE
Before performing any maintenance on the seawater pump
impeller make sure the intake handle previously shown is
THE IMPELLER WILL BE DAMAGED
in the "closed" position.
IF ANY LUBRICANTS ARE USED
OTHER THAN GLYCERIN.
1. Remove the cover from the seawater pump and remove
the impeller.
2. Look for cracks, missing vanes or excessive wear (If the
WARNING
pump shaft can be turned by hand replace the fl ange).
!
3. Lubricate the pump housing and the inside cover with a
AVOID POSSIBLE INJURY DO TO FIRE.
small amount of glycerin.
IF THE IMPELLER IS DAMAGED,
THE SEAWATER PUMP WILL NOT WORK,
4. Reinstall the impeller using a rotating movement for it
WHICH COULD CAUSE ENGINE DAMAGE
to engage with the shaft. Install the seal washers on the
OR FIRE.
center of the shaft. Install a new O ring. Install the cover.
Seawater pump
Impeller
76
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