TM 5-6350-275-24&P
3-117. REPLACE FENCE-MOUNTED VIBRATION SENSOR PROCESSOR, RACON MODEL F-100. (Figure 3-65).
This task consists of:
a. Remove
b. Install
INITIAL SETUP:
Tools:
General Safety Instructions:
Screwdriver, Cross tip (Item 5, App B)
Remove all jewelry while working on
Screwdriver, Flat tip (Item 7, App B)
equipment.
Materials/Parts:
Wear ESD wriststrap while handling ESD
Fence-Mounted Vibration Sensor Processor
sensitive PWAs.
PWA
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 12 vac power transformer from 120 vac power source.
(2) Open front access cover (1) by turning key lock (5).
(3) Tag and remove wires from PWA TB1 (3) pins 1 through 12.
(4) Remove input wiring cable from processor assembly PWA (2).
(5) Remove four phillips head screws (4) holding PWA (2) to enclosure.
(6) Remove processor assembly PWA (2) from its mounting bracket.
(7) Place the removed PWA in a ESD protective bag.
b. Installation
(1) Place processor assembly PWA (2) on mounting bracket and secure with four phillips head screws (4).
(2) Connect tagged wires to PWA TB1 (3) pins 1 through 12.
(3) Ensure all switch settings are the same as on removed processor PWA (2).
(4) Connect 12 vac power transformer to 120 vac power source.
(5) Secure front panel (1) by turning key lock (5) CCW.
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