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Summary
Prevention is the main aid to electrical safety.
Always think about electrical safety and use good
practice, for example:
•
Ensure that the customer's power receptacle
matches the IBM equipment specifications.
•
Inspect power cables and plugs; check for loose,
damaged, or worn parts.
•
Review the procedure in the maintenance
documents before you remove a part that can
hold an electrical charge from the machine.
Carefully discharge the necessary parts exactly as
instructed by the procedure.
•
Do not use a normal light (for example, a table
lamp) as an extension trouble light at a machine.
N ever assume that a machine or a circuit is safe. No
machine is always completely safe. You may not
know the exact condition of a machine because, for
example:
•
The power receptacles could be defective.
•
Safety devices or features could be missing or
defective.
•
The maintenance and/or EC changes could be
wrong or not complete.
•
The design could have a problem.
•
The machine could have damage, caused when it
was shipped.
•
The machine could have an unsafe change or
attachment.
•
An engineering change or a sales change could be
wrongly installed.
•
The machine could be deteriorated (1) because it
is old or (2) because it operates in an extreme
environment.
•
A part could be defective, therefore causing a
hazard.
•
A part could be wrongly assembled.
These are some of the ways that the condition of the
machine could affect safety. Before you start a
service call or' procedure, use good judgment and use
caution.
vi
IBM 3205 Color Display Console
Electrical Accidents- First Aid
When performing rescue procedures for an electrical
accident, do as follows:
•
Use Caution:
If
the victim is still in contact with
the electrical· current source, remove the power;
to do this, you may need to operate the room
emergency power· off (EPO) switch or the
disconnecting switch.
If
you cannot find the
switch, use a dry wooden rod or other
nonconductive object to pull or push the victim
away from contact with the electrical·current
source.
•
Work Quickly:
If
the victim is unconscious, he/she
may need
(1)
mouth·to·mouth rescue breathing
and possibly
(2)
external cardiac compression if
the heart is not beating.
•
Call for the Rescue Service: such as the
ambulance or the hospital. Instruct another
person to call for medical aid.
Determine if the victim needs mouth·to·mouth rescue
. breathing.
If
he/she does, perform the following
steps.
CAUTION
Use extreme care when you perform rescue
breathing for a victim who may have breathed-in
toxic fumes. Do not breathe-in air that the victim
has breathed-out.
1.
Prepare for rescue breathing:
a.
Ensure that the victim's airway is open and
that it is not obstructed; check the mouth for
objects that may be obstructing the airway,
such as chewing gum, food, dentures, or the
tongue.
b.
Place the victim on his/her back, put one
hand behind the victim's neck, and put the
other hand on his/her forehead.
c.
Lift the neck with one hand, and tilt the head
backward by pressing on the forehead with
the other hand
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