Removing the T1600 Power Supplies

1. Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to an approved site ESD grounding point. See the instructions for your site.
2. For DC power supplies, switch the circuit breakers on the power supply faceplate to the off position (O). For AC power supplies, switch the power switch to the standby position. We recommend this even though the power supplies are not connected to power sources.
3. Loosen the captive screws on the lower corners of the power supply faceplate completely.
4. Twist the ejector handles on the upper corners of the faceplate counterclockwise to unseat the power supply.
5. Grasp the handle on the power supply faceplate and pull firmly to start removing the power supply. Slide it halfway out of the chassis (see Figure 1.

   Caution: Be prepared to support the full weight of the power supply as you remove it from the router. Each three-input 240-A DC power supply weighs approximately 25 lb (11.3 kg). Each four-input 240-A DC power supply weighs approximately 26.6 lb. (12.0 kg). Each three-phase delta and wye power supply weighs approximately 31.0 lb. (14.06 kg).

6. Place one hand underneath the power supply to support it and slide it completely out of the chassis.
7. Repeat the procedure for the other power supply.

Figure 1: Removing a Three-Input 240-A DC Power Supply