WaterfiUer______________________________________
This is a very basic strainer forming part of the water inlet seacock (see illustration
on page 1.2). Inspection and cleaning should be carried out as follows:
1 Ensure the seacock is in the closed position.
2 Unscrew the wing nuts and swing the cap aside.
3 Withdraw the plastic filter and
inspect/clean.
4 Reassemble, ensuring the cap is clamped tightly to prevent leakage.
If air is drawn into the system through this filter, the engine may overheat
causing damage.
5 Turn on the seacock and check for leaks.
Exhaust
systems_________________________
The injection of the exhaust gasses into the cooling water in the mixer box reduces
the temperature of the exhaust gasses allowing them to be discharged through
reinforced rubber tubing and a stainless steel
skin
fitting. The exhaust tube has a
'swan
neck'
to reduce the possibility of seawater being forced into the exhaust and
into the cylinders, causing damage to the engine. This problem can further be
avoided if the following action is taken:
After three or four attempts to start a stubborn engine, turn off the water inlet
seacock until the engine starts.
When starting the engine check that water is being ejected through the exhaust
within 20 seconds. If not, switch off and investigate. First check that the water inlet
seacock is open.
Issue 3 Page 4.5
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