Static Water Line Test
Static Water Line (SWL) is the difference between sea
water level D and top of the riser B on the engine.
To test for SWL height:
1 Load the boat to maximum capacity and distribute
weight as you would for normal boating conditions.
2 Lower a clear plastic hose A into the water. Once it
is full of water, plug the top of the hose using your
thumb or a plug.
3 Bring plugged end of hose inside the hull and hold
next to–and above–the manifold B.
4 Unplug the end of the hose and allow water to drain
down until it has maintained a stable level.
5 Measure the vertical distance C from water line D
in the hose to the top of manifold B. This is the SWL.
Measurement C should be 13 in. (33 cm) or greater.
6 If the SWL is less than 13 in. (33 cm), contact your
Volvo Penta dealer for information on raising the
engine’s exhaust system.
NOTICE! Engine damage from water ingestion is pos-
sible if the SWL is less than the specification. The
damage may be severe, and is not covered by war-
ranty.
P0018392
Troubleshooting
47706149 09-2015 © AB VOLVO PENTA 67
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