Safety information
vDo not service the following parts with the power on when they are removed from their normal operating places in a machine:
–Power supply units
–Pumps
–Blowers and fans
–Motor generators
and similar units. (This practice ensures correct grounding of the units.)
vIf an electrical accident occurs:
–Use caution; do not become a victim yourself.
–Switch off power.
–Send another person to get medical aid.
Safety inspection guide
The purpose of this inspection guide is to assist you in identifying potentially unsafe conditions. As each machine was designed and built, required safety items were installed to protect users and service personnel from injury. This guide addresses only those items. You should use good judgment to identify potential safety hazards due to attachment of
If any unsafe conditions are present, you must determine how serious the apparent hazard could be and whether you can continue without first correcting the problem.
Consider these conditions and the safety hazards they present:
vElectrical hazards, especially primary power (primary voltage on the frame can cause serious or fatal electrical shock)
vExplosive hazards, such as a damaged CRT face or a bulging capacitor
vMechanical hazards, such as loose or missing hardware
To determine whether there are any potentially unsafe conditions, use the following checklist at the beginning of every service task. Begin the checks with the power off, and the power cord disconnected.
Checklist:
1.Check exterior covers for damage (loose, broken, or sharp edges).
2.Power off the computer. Disconnect the power cord.
3.Check the power cord for:
a.A
b.The power cord should be the type specified in the parts list.
c.Insulation must not be frayed or worn.
4.Check for cracked or bulging batteries.
5.Remove the cover.
6.Check for any obvious
7.Check inside the unit for any obvious unsafe conditions, such as metal filings, contamination, water or other liquids, or signs of fire or smoke damage.
8.Check for worn, frayed, or pinched cables.
