User Manual

64 Part 003609A revision 01 December 16, 2002
Amosphere NPM Installation Procedures (WCS)
Figure 4.5 shows the dimensions of the compression lugs.
Figure 4.5
Compression Lug Dimensions
5 Apply an anti-oxidant solution to the ground terminals on the PDP.
6 Connect the compression lug on the main ground cable to one of the two ground
terminals, as shown in Figure 4.6. Use a 1/4-inch hex nut with a 1/4-inch split-lock
washer when securing the cable. Torque each 1/4-inch hex nut to 78 inch-pounds.
Figure 4.6
Ground Terminals on the PDP
7 Connect the frame ground cable to the second ground terminal on the PDP using
a minimum of #6 AWG stranded copper wire.
8 Connect the other end of the frame ground cable directly to the top-left corner
(when viewed from behind) of the rack:
i Punch a hole in the grounding tape for each compression lug screw location.
ii Attach the compression lug using two 5/16-inch hex screws with locking and
external tooth washers.
9 Repeat steps 1 to 8 for the second rack.
10 Dress and label the ground cables according to the standards and requirements of
your site.
5/8"
1/4" Hole
00280
00281
Ground Terminals