Joannes EPOCA 25 NS Manual Para La Instalación Y El Mantenimiento página 62

Unscrew fixing nuts(D) from the fume tank (VS). Then, rotating the fume tank as indicated in figure E, it can be
disconnected from the fume pipe and extracted from the sealed chamber.
It is now possible to inspect the retarders from the inside of the combustion chamber for maintenance (Fig. F).
VS
SX
D
DX
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Fig. E
Fig. F