TM 5-6350-275-24&P
3-42. REPLACE MOD II MODEM PWA. (Interior) (Figure 3-38).
This task consists of:
a. Remove
b. Install
INITIAL SETUP:
General Safety Instructions:
Equipment Condition:
Remove all jewelry while working on
AC adapter disconnected
equipment.
Materials/Parts:
Wear ESD wriststrap while handling electronic
Mod II Modem PWA
assemblies.
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)
Open and remove front access cover from enclosure.
(2)
Remove the black wire slip-on terminal lug from negative terminal of 12 vdc battery (9).
(3)
Tag and remove wires from J1 and J2 on Mod II Modem PWA (3).
(4) Press out on sides of snap track PWA holder (12) and remove Mod II Modem PWA (3)
.
b. Installation
(1)
Set link settings and/or switch settings exactly the same as removed PWA or refer to Appendix E, page E-52.
(2)
Press out on sides of snap track PWA holder (12) and install Mod II Modem PWA (3) in snap track alignment
slots.
(3)
Connect the tagged wires to J1 and J2.
(4)
Connect the black wire slip-on terminal lug to negative terminal of 12 vdc battery (9).
(5)
Connect AC adapter to power source.
(6)
Place front access cover on enclosure and secure it.
3-121