User's Manual

5-44
Chart 6 PA Removal and Replacement
PURPOSE
Use this procedure to remove and replace UD-51( ) PA.
SPECIAL TOOLS REQUIRED
None
STEP PROCEDURE
Exposure to energy radiated at microwave frequencies can cause
eye injury and eventual blindness. Do not operate the system with a
waveguide port unterminated.
Wear ground straps according to local office procedures.
This is an out-of-service procedure when on a nonstandby (unpro-
tected) system. On a hot-standby or frequency diversity system, switch
traffic on the channel under test to protect.
1 Is radio protected (hot-standby or frequency diversity)?
If yes, go to step 2.
If no, go to step 3.
DANGER
Possibility of
Injury
to Personnel
WARNING
Possibility of
Damage
to Equipment
CAUTION
Possibility of
Service
Interruption