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MAN B&W 14.06
Scavenge Air Box Drain System
The scavenge air box <strong>is</strong> continuously drained
through ‘AV’ to a small pressur<strong>is</strong>ed drain tank,
from where the sludge <strong>is</strong> led to the sludge tank.
Steam can be applied through ‘BV’, if required, to
facilitate the draining. See Fig. 4.06.0 .
The continuous drain from the scavenge air box
must not be directly connected to the sludge tank
owing to the scavenge air pressure. The pressur<strong>is</strong>ed
drain tank must be designed to withstand
full scavenge air pressure and, if steam <strong>is</strong> applied,
to withstand the steam pressure <strong>available</strong>.
Fig. 14.06.01: Scavenge air box drain system
MAN B&W MAN B&W S70MC6, S70MC-C7/8, S70ME�C/ME-GI7/8,
L70MC-C7/8, L70ME-C7/8, S65ME-C/ME-GI8, S60MC6,
S60MC-C7/8, S60ME-C/ME-GI7/8, S50MC6, S46MC-C7/8,
S40ME-B9, S35ME-B9, S35MC7
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MAN Diesel
Drain from water m<strong>is</strong>t catcher
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The drain line for the air cooler system <strong>is</strong>, during
running, used as a permanent drain from the air
cooler water m<strong>is</strong>t catcher. The water <strong>is</strong> led through
an orifice to prevent major losses of scavenge air.
The system <strong>is</strong> equipped with a drain box with a
level switch, indicating any excessive water level.
The system delivered with and fitted on the engine
<strong>is</strong> shown in Fig. 4.03.02 Scavenge air space,
drain pipes.
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No. of cylinders
5-6 7-8
Drain tank capacity 0.4 m3 0.7 m3 079 61 03-0.2.0
198 40 32-7.2