TM 9-4110-258-13
4.43 TEMPERATURE SWITCH S4 REPLACEMENT.
This task covers:
a. Removal
b. Installation
INITIAL SETUP
Equipment Conditions:
General Safety Instructions:
Refrigeration unit shut down (para 2.7) and power
WARNING
disconnected.
Right side panel (evaporator) removed (para 4.16).
High voltage and exposed rotating parts are
Materials/Parts:
used in the refrigeration unit. Personal injury
can result if power is connected.
Marker tags (2)
7, Appendix E
Insulation Tape
10, Appendix E
Tie Down Straps (2)
24, Appendix E
a. Removal.
(1) Remove insulation (1) as necessary.
(2) Be sure power has been disconnected at the source then tag and disconnect two tabs (2).
(3) Remove two tie down straps (3) and temperature switch (4).
b. Installation.
(1) Install temperature switch (4), and two new tie down straps (3).
(2) Install new tab housing (5) and tab (2) onto each temperature switch (4) wire lead (para 4.18).
(3) Using tags and wiring diagram (fig. 1-4), connect tabs (2). Remove tags.
(4) Install insulation (1) and secure with insulation tape as necessary.
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