OPERATION UNDER USUAL CONDITIONS.

TM 5-6640-213-14

2-2 OPERATION UNDER USUAL CONDITIONS.

Laboratory and Equipment.

(1) Inspect the exterior of the laboratory thoroughly for

visible damage sustained in transit, and repair any damage in accor-

dance with TB 750-240 and TM 11-541O-213-14P.

(2) Level the laboratory to the site using the four

special "oil-bubble-in-glass-vial", load-leveling indicators (2, fig.

2-l), to ensure that the laboratory is properly leveled on its

foundation.

(3) Unlock the laboratory door. The keys to the unit are

preshipped to the user to prevent pilferage during shipment; however,

an extra key is provided (1, fig. 2-1).

The purpose of the exhaust fan is to remove combus-

tible or toxic gases from the laboratory. Insure

access door is open before conducting any procedures

in which the laboratory hood must be used. Failure

to open to the access door can defeat the system and

may result in injury or death to operating personnel.

(4) Enter the laboratory and remove the stored, 50-ft,

four-conductor power cable. Connect the cable lugs to the generator

terminal box with extreme care. Connect the male cable plug to the

female connector housed in the junction box on the exterior of the

laboratory, to the right of the door (19, fig. 1-3).

(5) Open and secure the access doors of the exhaust fan

outlet and the air conditioner exhaust louvers (6, fig. 1-1). After

opening the doors, examine the openings to be sure they are

unobstructed.

(6) Activate the electrical power and water supply

sources.

(7) Enter the laboratory and turn on the main power switch

(4, fig. 2-2). Immediately return to the outdoors and allow the

system to operate for 10 minutes to exhaust all noxious or dangerous

vapor. (See para 2-2g.(1)(a) on air-purging).

2-2