Chapter 4 SERVICE UPON RECEIPT AND INSTALLATION

TM 5-6350-262-14/8

NAVELEX 0967-LP-466-9081

TO 31S9-4-31-1 Chg 1

CHAPTER 2

SERVICE UPON RECEIPT AND INSTALLATION

Section I. SITE AND SHELTER REQUIREMENTS

2-1. Siting

electrical wiring to the switch assembly will be routed

The site for the installation of balanced magnetic

through conduit, consideration must be given to efficient

switches will be preselected by direct support and

and logical routing of the conduit.

general support level maintenance personnel.

Ordinarily, a balanced magnetic switch will be installed

2-2. Shelter Requirements

on each and every window and each and every door into

Figure 2-1 shows the mounting dimensions of the

an area to be secured. Physical orientation of the switch

balanced magnetic switch. The external dimensions of

assembly on the opening to be secured will be

the assembly are given in paragraph 1-11. The switch

determined by direct support and general support level

assembly should always be installed inside the room or

maintenance personnel. External power is not required

area to be secured so that access may not be gained to

at the site for balanced magnetic switch operation, but

the switch assembly without opening the door or window

may be required for powered hand tools such as drill

on which it is installed.

motors or powered screw drivers, etc. Since the

Figure 2-1. Mounting dimensions, typical balanced magnetic switch installation.

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2-1