4.6.6 Checking the AC Safety Grounds
1. Ensure the following ground points make contact and all ground screws
are tight:
One spring contact for each power module mounted on the power
module mounting plates (top and bottom 1 ).
Ground screws that hold the mounting plates to the 3514 enclosure
(left plate 2 , right plate 3 ).
Ground wire attached to the inside of the connector panel 4 .
One ground screw that holds each power module to the mounting
plate (note the ground symbol next to the screw). 5 .
Ground screws on the appliance coupler ac input on the line filter
6 .
Ground screw and green/yellow terminal wire attaching the line
filter to the power module mounting plate (note the ground symbol
next to the screw) 7 .
PICTURE 385
2. Verify that the 3514 is operating correctly.
3. End of procedure.
3514 Service Information
Checking the AC Safety Grounds
¦ Copyright IBM Corp. 1992, 1993
4.6.6 - 1