I'm heading down to the yacht next week.
is Lister STW3
only to cool exhast.
I am taking replacement impeller and Vetus LP45 water lock.
I will close the seacock when adding water to the strainer box, only opening the seacock AFTER the strainer is full and sealed.
Was fumes, not smoke
from a trusted source - taken onboard few days before
Cannot reach exhaust
outflow – yet never looked 'oily'.
I could feel with my hand “puffs” from around the Vetus LP45 waterlock, which is what makes me buy and take a new one.
If that does not fix the problem, then the issue will be the hose.
Question – is it posible to merely cut out and replace the cracked / split / holed portion of the hose?
If 'yes' then how? What sort of joiner fitting and / or procedure?
Because they are obviously connected, I've added below my plan for dealing to the 'impellor' side of the issue:
I will check both the pump chamber and the face of the cover plate for scoring / pitting.
I will lightly sand both with fine wet sandpaper.
I have purchased 2 x new JAbsco
impellors. I will install one and have a spare.
I have purchased a Vetus LP45 water lock and will remove and replace the one on board.
Inlet partially blocked by barnacles
is definitely possible. She was left without bottom paint
by the previous (*) for about 12 months and had HUGE growth when I took her out. I see one suggestion is to remover the hose and check the water flow. Another possiblility - dive over with a screwdriver & mask and poke around the inlet hole?
No 'white smoke' seen from exhaust
I will check for air leak somewhere between the impeller and the strainer:
eg: the paper gasket
on the seawater pump cover, hose clamps (especially above the waterline), and the seals
on the seawater strainer (especially the cover to service
the strainer basket).
Or , less commonly leaks
inside the sea water pump, cracked pipe fittings, bad seal in the seawater pump shaft, and an intake hose that is internally collapsing.
I won't stop when I find the first problem as there well may be multiple items slightly askew adding to the issue.