TM 5-6350-275-24&P
b. Installation
(1)
Connect power supply to front panel assembly using four screws (8), washers (9), and nuts (10).
(2)
Connect tagged wires to TB (Item 12).
(3)
Connect tagged wires to input terminal power block. (Item 13)
(4)
Place protective cover (5) over power supply and secure to standoffs (7) using four screws (6).
(5)
Connect power supply ac power cord to ac power source.
(6)
Tie down input/output wiring to power supply, using plastic tie down straps.
(7)
Close rear door on PMC cabinet.
(8)
Place power supply A switch (Figure 3-33, 2) and power supply B switch (4) to on.
3-28. REPLACE PMC COMMUNICATIONS CABINET + 5 V POWER SUPPLY. (Figure 3-33 and 3-34).
INITIAL SETUP:
This task consists of:
a. Remove
b. Install
INITIAL SETUP:
Tools:
Equipment Condition:
Screwdriver, Flat tip (Item 6, App B)
PMC cabinet doors open
Screwdriver, Flat tip (Item 7, App B)
General Safety Instructions:
Materials/Parts:
Remove all jewelry while working on
5 vdc Power Supply
equipment.
Wear ESD wriststrap while handling electronic
assemblies.
WARNING
When working on high-voltage components, always have an additional person present, and keep one hand
away from equipment to reduce hazard of current flowing through vital organs of body. Remove all
jewelry from fingers, wrists, and neck before working on electrical components. Failure to do so may
result in serious injury or death.
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)
Place power supply A switch (Figure 3-33, 14) and power supply B switch (Figure 3-33, 10) to off.
(2)
Open rear door on PMC cabinet B and remove power supply ac power cord from ac power source.
3-102