Table of Contents
Advertisement
SAFETY PRACTICES
A l l service representatives are expected to take every safety precaution
possible while maintaining IBM Instruments Inc . equipment .
fol lowing s afety practices at all times:
Never work alone under hazardous conditions or around equipment with
dangerous voltage .
Disconnect the inst rument l ine cord from the outlet when:
Removing or ass embling maj or components
•
Working in the immediate area of power supplies
•
Performing mechancial inspections o f power supp l ies
•
Install ing changes in inst rument circuitry
•
When it is absolutely necessary to work on equipment having exposed op
erating mechanical parts or exposed live e l ectrical circuitry anyhwere
in the instrument , the following precautions must be followed :
Another person familiar with power off controls must be in the
•
immediate vicinity .
Rings , wristwatches , chains , bracelets ,
•
must not be worn .
Use insulated p l iers and screwdrivers exclusive ly .
•
Use one hand whenever possible .
•
frame or cabinet and contacting grounded supports .
When using test instruments , be certain that all controls are
•
set correctly and that insulated probes are used .
Functional subassemb l ies , power supplies , etc . should never be
•
powered on when they are phys ically s eparated or removed from
the instrument housing un less service procedures specifica lly
indicate this technique .
essential that you be certain that the removed ass embly remains
grounded to the instrumemt and that de feated covers and inter
locks and rerouted cables do not create a safety hazard .
and metal cuff links
Avoid leaning on or over the
When this technique is used it ,
Observe the
is
ix
Advertisement
Table of Contents
