Chapter 2 Safety Precautions and Tools Requirements

Safety Precautions

For your protection, observe the following safety precautions when setting up your equipment:

• Follow all cautions, warnings, and instructions marked on the equipment.

• Never push objects of any kind through openings in the equipment as they may touch dangerous voltage points or short out components that could result in fire or electric shock.

• Refer servicing of equipment to qualified personnel.

To protect both yourself and the equipment, observe the following precautions:

Table 2-1 Safety Precautions

Item	Problem	Precaution
Wrist or   foot strap	ESD	Wear a conductive wrist strap or foot strap when handling printed circuit boards.
ESD mat	ESD	An approved ESD mat provides protection from static damage when used with a wrist strap or foot strap. The mat also cushions and protects small parts that are attached to printed circuit boards.
Cover panels	System damage and overheating	Re-install all cabinet cover panels after performing any service work on the system.
Card cage slot filler panels	System damage and overheating	Make sure all empty board slots have a filler panel installed.

Symbols

The following symbols mean:

Figure 2-1 Symbols, Part 1

Figure 2-2 Symbols, Part 2

System Precautions

Ensure that the voltage and frequency of the power outlet to be used matches the electrical rating labels on the equipment.

Wear antistatic wrist straps when handling any magnetic storage devices, CPU/Memory+ boards, or other printed circuit boards.

Use only properly grounded power outlets as described in "Preparing the Electrical Circuits" in the Sun Enterprise 3500 System Installation Guide, part number 805-2629.

---

Caution -

DO NOT make mechanical or electrical modifications to the cabinet. Sun Microsystems(TM) is not responsible for regulatory compliance of modified cabinets.

---

---

Caution -

The chassis AC power cord must remain plugged in to ensure a proper ground.

---

Tools Required

This list represents the minimum of tools and test equipment you will need:

• Screwdriver, Phillips #2

• Screwdriver, Phillips #1

• DIP/IC extraction tool

• ESD mat

• Grounding wrist strap

• Needlenose pliers

• Hex driver, 3/32

• Torque screwdriver (supplied with the system), preset to 6 inch-pounds