SECTION III. PRINCIPLES OF OPERATION - TM-55-4920-439-13-P0013

TM 55-4920-439-13&P

SECTION III. PRINCIPLES OF OPERATION

1-8. After the shelter has been erected, the operator personnel will unbolt selected items of equipment. These items will

be relocated to preselected positions on the expanded side of the shelter. (See para. 1-7c. and d.). The selected items,

when moved, will not be secured, (bolted) in place. This allows the shop personnel a certain flexibility in the event long or

bulky materiel must be repaired within the shelter. The recommended locations were selected for proper utilization of

floor space and maximum safety for the operating personnel

WARNING

Four people are needed when moving or lifting the Environmental Control Units

(ECUs). Each unit weighs approximately 270 pounds. Trying to move or lift an

ECU without help can cause serious injury to personnel.

1-9. The two ECUs are positioned on special fold down shelves, when the shop is in the operational mode. Power is

provided by a 208V cable located inside the shelter next to each shelf. Both ECUs can be easily removed for service or

repair.

1-10. Detailed instructions for unbolting equipment and the recommended sequence for relocation is contained in

Chapter 2, Section II. The procedures for striking the shelter and preparing the Electric/Instrument Shop for transport or

storage are contained in Chapter 2, Section III.

1-11. Electrical power to operate the Electric/Instrument Shop is provided by an auxiliary generator or a commercial

power source. A power distribution panel (PDP) is used between the power source and the power entry panel of the

shelter. Overload protection is by circuit breaker. The circuit breaker panel is located inside the shelter next to the

personnel entrance door.

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