Juniper PTX5000 Quick Start Manual page 25

5. Switch the input power switches on the PDU faceplate to the off (O) position.
6. Loosen the captive screw that fastens the input power tray to the PDU .
7. Grasp the metal handle of the input power tray, and pull it out to remove the input power tray from
the PDU (see Figure 13 on page
Figure 13: Removing the 60-A DC Input Power Tray
8. Use a Phillips (+) screwdriver to loosen the screw on the metal input power tray cover.
9. Open the metal input power tray cover.
10. Loosen the cable restraints.
11. Remove the nuts from the DC power terminal studs.
12. Route the positive (+) DC source power cable through the cable restraint, and connect it to the RTN
–1 input terminal (see
secure the cable lug to the input terminal (see
CAUTION:
Applying excessive torque damages the terminal studs and power supply. The maximum
torque that may be applied to this nut is 99 lb-in. (11 Nm).
25. The 60-A DC input power tray weighs 1.6 lb (0.7 kg).
Figure 14 on page 26). Using a 7/16-in. (11-mm) nut driver, tighten the nut to
You must use an appropriate torque-controlled tool to tighten the nuts.
Figure 15 on page 27).
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