TM 55-1930-209-14&P-1
Table 7-1. Major Components of Deckhouse Ventilation System
Component
Quantity
Function
Location
Watertight
17
Control supply of fresh air
10 on deckhouse
hatches
entering deckhouse
port and 7 on
deckhouse starboard
Light-proof
17
Prevent light penetration
Inside deckhouse
louvers
through open louvers
watertight hatches
Hooded roof
6
Exhaust air from ROWPU space
On deckhouse top
for fans 1 thru 6
Fan motor
6
Control fan motors 1 thru 6
In ROWPU space, fans
controllers
1, 3, and 5 on
starboard, bulkhead,
fans 2, 4, and 6 on
port bulkhead
Emergency
1
Provides emergency shutdown
Second button from left
shutdown button
of ventilating fan motors
on row of seven RED
buttons on starboard
bulkhead aft of door
Power panel 2
1
Controls ventilating system
Starboard bulkhead
fans in deckhouse and voids
forward of sliding door
7-5.3 Operating procedures
7-5.3.1 Increasing ventilation. Push controller ON switches to start ROWPU space ventilating fans Operate fans
(Figure 7-4) as desired to provide ventilation.
a.
Fan controllers on starboard bulkhead are located as follows'
(1)
Fan 1 controller is aft of side door.
(2)
Fan 3 controller is forward of sliding door.
(3)
Fan 5 controller Is aft of sliding door.
b.
Fan controllers on port bulkhead are located as follows:
(1)
Fan 6 controller is aft of side door.
(2)
Fan 4 controller is farther aft from side door.
(3)
Fan 2 controller is near air compressor.
7-5.3.2 Decreasing ventilation. To control circulation, push controller switches to OFF to stop fans as desired Close
any or all 17 ventilation hatches as necessary.
7-5.4 Shutdown procedures
7-5.4.1 Normal shutdown for less than 72 hours
a.
Turn off deckhouse ventilating fans by pushing controller switches to OFF.
b.
Close ventilation hatches as desired.
7-5
