MANUAL MODE.-- In the manual mode the
Temperature Control
command signals are generated by toggle switches. An
operator positions these switches for specific functions
Three motometers comprise the temperature control
and/or cycles. The function and/or cycle is ended by
system. Motometers are combination thermometers
returning the appropriate toggle switch to OFF.
and thermostats. Each motometer has three indicator
pointers-one for indicating existing temperature and
Air Distribution
two for setting desired temperatures. Water and/or
steam are automatically injected to bring the
temperature to the preset value.
The air distribution system uses ship's service
compressed air to operate the brake and clutch
assemblies. Electrically controlled solenoid valves
Drive Train
connected to the air manifold distribute the compressed
air as signaled by the command or control circuits. The
Figure 5-54 shows the washer drive train. Each
air operates valves controlling the washer drain, the
drive motor provides a different rotational speed to the
steam supply, and the bottom fill valve. The air also
washer cylinder and is used during separate cycles.
actuates the air brake and the air clutch.
During wash or drain cycles, the drive is from the
appropriate motor through a V-belt coupling to the gear
Freshwater Distribution
reducer and clutch. The inflated (engaged) clutch
causes the drive shaft and the washer cylinder to rotate
at the wash or drain speed. During low-speed or
The freshwater distribution system is used for
high-speed extract cycles, the drive is from the
washing and rinsing. Some fresh water is also used by
the temperature control system, the balance system, and
appropriate motor through a V-belt coupling directly to
the clutch/brake drum pulley. The pulley, connected to
the supply injection system.
Figure 5-54.--Wash drive train.
5-72
