TM 5-6350-275-24&P
3-113. REPLACE BALANCED MAGNETIC SWITCH, SENTROL 2800T SERIES. (Figure 3-61).
This task consists of:
a. Remove
b. Install
INITIAL SETUP:
Tools:
General Safety Instructions:
Screwdriver, Cross tip (Item 4, App B)
Remove all jewelry while working on
Screwdriver, Cross tip (Item 5, App B)
equipment.
Materials/Parts:
Balanced Magnetic Switch
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 four phillips head screws (4) holding sensor switch front plate assembly (3) to sensor switch (1).
(2) Tag and disconnect sensor wiring from terminal board (2), pins 1 through 8. Remove sensor input wiring from
sensor switch (1).
(3) Remove four flathead screws (7) holding sensor switch (1) to protected device.
(4) Remove two phillips head screws (5) holding sensor magnet (6) to door assembly.
(5) Remove sensor switch (1) and sensor magnet (6) from protected assembly.
b. Installation
(1) Align sensor switch (1) and sensor magnet (6) with previously drilled holes and secure with two phillips head
screws (5) for sensor magnet (6) and four flathead screws (7) for sensor switch assembly (1).
(2) Insert wiring assembly through sensor cable connector and connect tagged wires to terminal board (2).
(3) Install sensor switch front plate (3) using four phillips head screws (4).
(4)
Check for correct alignment between sensor switch (1) and sensor magnet (6). (See SAIG, Appendix E,
Section 1)
NOTE
Replace switch and magnet as a set.
3-209