STEP
PROCEDURE, CONTINUED
INSTALL
The PA to heatsink mounting is critical. The three screws securing the
PA to the heat sink must be tightened to 19 in-lbs using a torque
wrench and not over/under-tightened. Improper mounting will
cause over-heating and alarm and shut off power to the PA. This will
result in loss of traffic on unprotected systems. On protected sys-
tems, a switch to the off-line PA will occur.
5
Install PA in shelf. See Figure 5-21.
6
Perform PA Checks and Adjustment procedure. Refer to Appendix E.
7
Was XMTR locked on line (step 2).
8
On AE-37( ) Controller, toggle OVRD switch to disable override (unlocks
on-line XMTR and restores automatic switching functions).
9
STOP. This procedure is complete.
5-46
WARNING
Possibility of
Damage
to Equipment
If yes, go to step 8.
If no, go to step 9.
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