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
