Installation Instructions
Seite/Page 86 - Kaptitel/Chapter 6: Installation Instructions 18.12.15
b) Position of the venting valve is too far from the ships’ center line. The water reaches the exhaust area when the
ship is tilted.
c) The venting valve does not work, because it jams or it is clotted. (The venting valve’s function needs to be
checked regularly.)
As it consistently happens that functioning risks are not realised during the laying of the exhaust hose, the following
explanations refer explicitly to the exhaust hose. Here, the location, the size and the position of the „waterlock“ play
a very decisive role:
6.11.2 Installation area of the waterlock
Concerning a water-cooled exhaust system, it must be regarded that - under no circumstances - cooling water from
the exhaust hose can get into the exhaust elbow area at the engine. If this happens, the cooling water can get into
the combustion chamber via an open discharge valve. This would lead to irreparable damage at the engine.
In addition to that, one has to reckon with possible tilted positions of sailing yachts, which makes the position of the
waterlock even more important. In general one could say that:
The deeper the waterlock is located underneath the generator, the better the protection from entering water into the
combustion chamber.
The picture below shows that the distance between the critical point at the exhaust elbow and the maximum
permissible water level in the exhaust hose is stated with 600 mm. This distance should be understood as a
minimum distance.
Fig. 6.11.2-1: Installation area of the waterlock
6.11.3 The volume of the waterlock
The waterlock must be measured so large, that it can take the entire amount of water flowing back from the exhaust
To Next Page
Loading...
