Installation Note N5245-90012 37
Installation Procedure for the Upgrade
5. Rebuild the front panel assembly with the new 4-port front frame by
reversing the order of the instructions previously followed.
Step 29.Reinstall Front Panel Assembly
For instructions on reinstalling the front panel assembly, click the Chapter 7
bookmark “Removing and Replacing the Front Panel Assembly” in the PDF
Service Guide
In addition, attach the lower front dress panel to the test set front plate using
4x screws 0515-1227.
Step 30.Install the Overlays
To see an image of the front panel overlay (N5242-80003), keypad overlay
(N5242-80005), and power button overlay (N5242-80007), click the Chapter 6
bookmark “Front Panel Assembly, Front Side, All Options” in the PDF Service
Guide
. New parts are listed in
.
1. Remove the protective backing from the new front panel overlay
(N5242-80003).
2. Loosely place the overlay in the recess on the lower front panel.
3. Placing two fingers at the middle, press the overlay firmly onto the frame
while sliding your fingers in opposite directions towards the ends of the
overlay. Repeat on all areas of the overlay.
4. Repeat steps 1-3 to install the keypad overlay (N5242-80005).
5. Repeat steps 1-3 to install the power button overlay (N5242-80007).
6. Install the new nameplate (N5245-80003).
Step 31. Install the Front Panel Jumper Cables
Install twelve W36 front panel jumper cables (N5245-20155) - use 6 old
jumpers and 6 new jumpers. To see an image of the front panel jumper cables,
click the Chapter 7 bookmark “Removing and Replacing the Front Panel
Assembly” in the PDF Service Guide
.
Step 32. Position the Cables and Wires to Prevent Pinching
On the top side of the PNA, carefully position the grey flex cables so they can’t
be pinched between the covers and the rails.
On the bottom side of the PNA, carefully fold or push down the ribbon cables
and wires so they can’t be pinched between the hardware and the outer cover.
Ribbon cables and wires must never be positioned on top of hardware.