Chapter 5. DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE INSTRUCTIONS

TM 5-6350-264-14&P-3

NAVELEX EE 181-AA-OMI-040/E121 R1860 M9443

TO 31S9-2FSS9-1-3

CHAPTER 5

DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE INSTRUCTIONS

Section I. REPAIR PARTS, SPECIAL TOOLS AND REQUIREMENTS

illustrated in the repair parts and special tools list

5-1.

SPECIAL TOOLS. No special tools are required

covering direct and general support maintenance for this

for the Passive Ultrasonic Sensor.

equipment in appendix C of this manual.

5-2.

REPAIR PARTS. Repair parts are listed and

Section II. TROUBLESHOOTING

5-3.

TROUBLESHOOTING PROCEDURES.

NOTE

Before you use table 5-1, be sure you

have performed all applicable operating

checks.

a. This

section

contains troubleshooting

information for locating and correcting most of

The Audible Alarm presents a noise

the operating troubles which may develop in the

hazard to personnel in the area. The

Passive Ultrasonic Sensor. Each malfunction for

noise level exceeds the allowable limits

an individual component, unit, or system is

for unprotected personnel. Authorized

followed by a list of tests or inspections which

protective equipment must be worn by

will help you to determine corrective actions to

all personnel in the work area.

take. You should perform the test/inspections in

the corrective actions column in the order listed.

NOTE

b. This manual cannot list all malfunctions that may

If the Audible Alarm is installed, it must

occur, nor all tests or inspections and corrective

disabled

BEFORE

any

actions. If a malfunction is not listed or is not

troubleshooting

procedures

are

corrected by listed corrective actions, notify your

attempted. Disable the Alarm by setting

supervisor.

the key-operated switch on Control Unit

to TEST/RESET position. Open Audible

The table lists the common malfunctions which

Alarm, remove faceplate, and turn off

you may find during the operation or

power switch after troubleshooting, the

maintenance of the Passive Ultrasonic Sensor or

Audible Alarm must be reactivated.

its components.

You should perform the

Activate the Alarm by setting the key-

test/inspections in the corrective actions column

operated switch on Control Unit to

in the order listed.

TEST/RESET position.

Turn Alarm

power switch on, replace faceplate,

close and lock Audible Alarm door. Turn

key-operated switch on Control Unit to

SECURE or ACCESS.

5-1