Service Reference Guide, dc5700 437804-001 5–5
Identifying the Chassis, Routine Care, and Disassembly Preparation
■ Static awareness labels
■ Wrist straps and footwear straps providing one-megohm +/- 10% resistance
■ Material handling packages
■ Conductive plastic bags
■ Conductive plastic tubes
■ Conductive tote boxes
■ Opaque shielding bags
■ Transparent metallized shielding bags
■ Transparent shielding tubes
5.3 Operating Guidelines
To prevent overheating and to help prolong the life of the computer:
■ Keep the computer away from excessive moisture, direct sunlight, and extremes of heat and
cold.
■ Operate the computer on a sturdy, level surface. Leave a 10.2-cm (4-inch) clearance on all
vented sides of the computer and above the monitor to permit the required airflow.
■ Never restrict the airflow into the computer by blocking any vents or air intakes. Do not place
the keyboard, with the keyboard feet down, directly against the front of the desktop unit as
this also restricts airflow.
■ Occasionally clean the air vents on all vented sides of the computer. Lint, dust, and other
foreign matter can block the vents and limit the airflow. Be sure to unplug the computer
before cleaning the air vents.
✎
If operating in a dusty environment, periodic cleaning of heatsink and fans is recommended to
prevent overheating.
■ Never operate the computer with the cover or side panel removed.
■ Do not stack computers on top of each other or place computers so near each other that they
are subject to each other’s re-circulated or preheated air.
■ If the computer is to be operated within a separate enclosure, intake and exhaust ventilation
must be provided on the enclosure, and the same operating guidelines listed above will still
apply.
■ Keep liquids away from the computer and keyboard.
■ Never cover the ventilation slots on the monitor with any type of material.
■ Install or enable power management functions of the operating system or other software,
including sleep states.
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