REPLACE MICROWAVE MOTION SENSOR, HITECH 50 SERIES

TM 5-6350-275-24&P

3-119. REPLACE MICROWAVE MOTION SENSOR, HITECH 50 SERIES. (Figure 3-67).

This task consists of:

a. Remove

b. Install

INITIAL SETUP:

Tools:

General Safety Instructions:

Screwdriver, Flat tip (Item 7, App B)

Remove all jewelry while working on

Open End Wrench Set (Item 13, App B)

equipment.

Equipment Condition:

Materials/Parts:

Input Power Removed

Microwave Motion Sensor, HiTech 50 Series

WARNING

Shut off power source before attempting to disconnect, service, or connect wires or cables.

Failure to do so may result in serious injury or death.

a. Removal

(1) Remove two screws (1) at sides of HITECH sensor housing (3) and remove PWA (2) from sensor

housing (3).

(2) Tag and remove wiring from PWA terminal block (6) and housing (3).

(3) Remove bolt (4) holding sensor enclosure (3) to bracket assembly (5). Remove HITECH sensor

assembly.

b. Installation

(1) Connect HITECH sensor housing assembly (3) to bracket assembly (5) with bolt (4).

(2) Remove two screws (1) at sides of HITECH sensor housing (3) and remove PWA (2) from sensor housing (3).

(3) Connect tagged wire to PWA terminal block (6).

(4) Install PWA (2) in HITECH sensor housing (3) and secure with two screws (1).

(5) Connect input power ac or dc by turning on input power source or plugging in power source.

(6) Align sensor. Ref. (SAIG, Appendix E, Section 3).

3-220