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 function, and label description. Table 2-16, also keyed
washroom, and one in the galley. Two heating coils are
located in the ventilator fan room, and one in the void
to figure 2-29, lists the various operations to be
performed, valve positions, and procedures necessary
space below the pilothouse.
to accomplish them.
heating system. Table 2-1 is keyed to figure 2-29 and
Identifies each valve in the system, gives its location,
Figure 2-29. Heating system piping diagram.
Table 2-16. Heating System Control Valve Positioning.
Operation
Open valve
Close valve
Procedure
To fill boiler.
(1)
(2)
Fill boiler with fresh water until sight
glass is 1/2 full. Close valve (1).
For normal operation of heating
(3)
(1)
Energize boiler unit electrical circuit by
system.
(4)
(2)
closing switch in engine room
passageway. Open fuel oil supply
valve to heating boiler and close oil
burner switch adjacent to heater.
To heat the galley.
(3)
(1)
(4)
(2)
(19)
(20)
To heat the crew's washroom.
(3)
(1)
(4)
(2)
(15)
(16)
(17)
(18)
To heat the pilothouse.
(3)
(1)
(4)
(2)
(29)
(30)
2-56
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