Figure 2-3. Fuel tank conversion.

C3, TM 11-6780-225-12

(4) Connect the other end of the power cable

e. Fuel Supply. If a 55-gallon fuel drum is to be

to the power source.

used in place of the 5-gallon fuel can, remove the fuel

intake line and compression plug from the 5-gallon fuel

(5) Check to see that the power cables of the

can, and proceed as follows:

individual equipments within the darkroom are

connected to their respective receptacles (fig. 1-18).

(1) Unscrew the 5-gallon fuel intake pipe from

the compression plug (fig. 1-18) and remove.

(6) Turn all circuit breakers to the ON

position. The darkroom is now ready for operation.

(2) Check that the fuel available is the same

type as specified in paragraph 1-5h.

(7) Connect each repeating timer (curbside

and roadside) mounted on the walls of the center

(3) Screw the 55-gallon intake pipe (fig. 2-3)

compartment (fig. 5-2) between its respective enlarger

into the compression plug.

and safelight, and circuit No. 8 (fig. 1-18) as shown in

(4) Insert the compression plug into the 55-

figure 2-5.

gallon duel drum and secure.

d. Generator Set Power Connection. To connect

f. Water Source and Drainage.

the darkroom to a generator set (para 1-11) power

CAUTION

source, proceed as follows:

Before making connection between

(1) Perform the procedures in c(1) and (2)

the darkroom and a water source,

above.

install the hose supports (fig. 2-4) to

WARNING

the water and drain connections (fig.

Be sure the generator set is shut

5-1) by removing the hose support

down and voltage does not exist at

retaining bolts and installing the

the connection terminals. Serious

hoses in the hose sup

injury or death may result from

contact with these terminals. DON'T

TAKE CHANCES

(2) Connect the darkroom to the generator

set using darkroom wiring diagram Figure 5-3.

(3) Perform the procedures in c(3) through (7)

above.

NOTE

The fuel supply is normally ready to

operate from a 5-gallon can. For

operation from a 55 gallon can

perform the procedure given in e

below.

Figure 2-3. Fuel tank conversion.

Figure 2-2. Air-conditioners interconnection

diagram.

2-4