Pearson Boats - Common Systems > Engine and Drive Train

Removing Atomic 4

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Scott:
We took the engine out yesterday. Lifted it by using the boom supported by two halyards. Used a fulcrum or lever effect to raise engine off the motor mounts then pulled out of engine compartment out onto cabin floor below hatch. So far so good. Now for rebuild. Scott

Scott:
Does anyone know a good source of Atomic Four parts in Canada?

Scott:
Just an end of season update. We got the engine back in after the rebuild and it now runs like a new engine, other than the fact it started to overheat towards the end of the summer! In the process of winterized get now and find that the raw water pump does not seem to be pumping, or at least it will not suck the antifreeze out of the jug into which I put intake hose into. Wondering if maybe it has a priming problem because it was pumping water just before haul out. Always something I guess. Scott

Chance:
Scott I have an atomic 4 in Chance Pearson 323 hull 10.  The water pump does not need to be primed.  I would take the cover off the pump and see if the impeller is in good shape. Look to see if all the blades are on it.  Make sure a blade is not torn off the impeller an blocking the intake or engine side of the pump.   If they are ok, I would try turning the impeller and see how easily it turns if it is on the shaft properly.  If that is ok, I would spray the impeller with WD40 so the rubber impeller will be lubed and then touch the starter button and see if the propeller turns properly.  Good luck BoB K CHANCE

Alma:
Any small leak at the barb fittings will allow the pump to suck air and not prime.

When the boat is in the water the pump is below the waterline so it holds a prime. Once you try with a bucket of antifreeze it can suck air at the pumps barb fitting-

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