Model 8210/8250 Maintenance Manual Section 2. Safety
Static Safety
Publication: 1146945/001, Revised: 25 Sep 2018 2-13
Static Safety
Electronic circuit boards can contain
Electrostatic Discharge Sensitive (ESDS)
devices.
Static charges can accumulate from normal
operation of the truck as well as movement or
contact between non-conductive materials
(plastic bags, synthetic clothing, synthetic soles
on shoes, styrofoam coffee cups, and so forth).
Accumulated static can be discharged through
human skin to a circuit board or component by
touching the parts. Electrostatic Discharge
(ESD) is also possible through the air when a
charged object is put close to another surface at
a different electrical potential. Static discharge
can occur without you seeing or feeling it.
Whenever working on or near static-sensitive
electronics, always use static discharge
precautions.
1. Put a static discharge wrist strap around
your wrist. Connect the ground cord to the
wrist strap connector.
2. Connect the ground cord to an unpainted,
grounded surface on the truck frame.
3. If you are removing or installing
static-sensitive components, put them on
a correctly grounded static mat.
4. To transport static-sensitive components,
including failed components being
returned, put the components in an
anti-static bag or box (available from your
Raymond Sales and Service Center).
The wrist strap and associated accessories
should be tested monthly to verify they are
working correctly. The wrist strap contains a
one megohm resistor in the strap cord that acts
as a fuse for personal protection. If this resistor
is open, the strap becomes ineffective.
Figure 2-3 shows the components of the
Raymond anti-static field service kit, part
number 1-187-059. The kit includes a wrist
strap, ground cord, and static-dissipative work
surface (mat). Follow the instructions packaged
with this kit.
Figure 2-3. Anti-Static Kit (P/N 1-187-059) With Wrist
Strap and Mat
mat2.tif
Replacement wrist straps (P/N 1-187-058/001)
are available. Contact your authorized
Raymond Sales and Service Center for
information.
Static-Dissipative
Work Surface
Wrist Strap
Ground Cord
Property of American Airlines
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