Figure 1-11. Boarding ladder, adapters, ground rod and strap, power cables, water hose, and float storage location diagram.

TM 11-6780-225-12

Figure 1-11. Boarding ladder, adapters, ground rod and strap, power cables, water

hose, and float storage location diagram.

direct air to the compartments in the darkroom. Airflow

both, for ventilation purposes. Heated or cooled air may

can be controlled to supply heated air to the film and

also be recirculated.

print drying cabinets from the space heater. At the

b. Water Supply System.

The water supply

same time, the airflow system can be channeled to

system, located in the forward compartment of the

supply cooled air to the operating personnel. Heating

darkroom (fig. 1-17), includes a water pump and an on-

and air-conditioning airflow can be regulated

off switch, a filter, strainer, flow indicator, water heater,

automatically to maintain preset darkroom operating

and an on-off switch with pilot lamp, water tank, pipes,

temperatures. Fresh air can be drawn into the darkroom

and valves. Water for distribution within the darkroom

through the heater or the air conditioner, or through

can be drawn from either an outside source under

pressure, a

1-13