TM 5-3610-285-14
d. Tag and desolder wires from read pushbutton.
e. Replace defective read pushbutton.
f. Solder wires to new read pushbutton.
g. Install new pushbutton and secure with bezel nut.
h. Reinstall probe cover to housing with screws.
i. Plug in reflection/transmission probe cable.
j. Plug in power cord.
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