Before Working Inside Your System; After Working Inside Your System; Recommended Tools - Dell EMC PowerEdge R240 Installation And Service Manual

Before working inside your system

Prerequisites
Follow the safety guidelines listed in
Steps
1. Power off the system and all attached peripherals.
2. Disconnect the system from the electrical outlet, and disconnect the peripherals.
3. If applicable, remove the system from the rack.
For more information, see the Rail Installation Guide at www.dell.com/poweredgemanuals.
4. Remove the system cover.

After working inside your system

Prerequisites
Follow the safety guidelines listed in
Steps
1. Replace the system cover.
2. If applicable, install the system into the rack.
For more information, see the Rail Installation Guide at www.dell.com/poweredgemanuals.
3. Reconnect the peripherals and connect the system to the electrical outlet.
4. Power on the attached peripherals and then power on the system.

Recommended tools

You need the following tools to perform the removal and installation procedures:
● Key to the bezel lock
The key is required only if your system includes a bezel.
● Phillips #1 screwdriver
● Phillips #2 screwdriver
● Torx #T15 screwdriver
● Plastic scribe
● 1/4 inch flat blade screwdriver
● Wrist grounding strap connected to the ground
● ESD mat
You need the following tools to assemble the cables for a DC power supply unit:
● AMP 90871-1 hand-crimping tool or equivalent
● Tyco Electronics 58433-3 or equivalent
● Wire-stripper pliers to remove insulation from size 10 AWG solid or stranded, insulated copper wire
NOTE: Use alpha wire part number 3080 or equivalent (65/30 stranding).
Safety instructions.
Safety instructions on page 16.
Installing and removing system components 17