Precautions against electrostatic damage important, Replacing parts, Maintenance and repair – Yokogawa GC8000 Process Gas Chromatograph User Manual

Page 10

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IM 11B08A01-01E


Notice:
The symbol (see above) means they shall be sorted out and collected as ordained in ANNEX II in
DIRECTIVE 2006/66/EC.

Precautions Against Electrostatic Damage

IMPORTANT

Electrostatic discharge may damage the operation panel. Handle them after discharging static
electricity.

When handling cards with IC components mounted on them for maintenance or setting changes,
take full precautions against electrostatic problems.

• When storing or carrying cards, enclose them in a conductive bag or antistatic bag. (Cards

as shipped by Yokogawa are enclosed in a conductive bag or antistatic bag labeled with
cautions against electrostatic problems.)

• When servicing cards, wear a wrist strap grounded via a 1 MΩ resistance. Connect the wrist

strap to a ground terminal.

• When servicing cards on the bench, wear a wrist strap and place them on a conductive

sheet grounded via a 1 MΩ resistance. Keep easily-chargeable plastic materials away from
the bench.

• Never touch components mounted on the cards, the pattern side, connectors, pin

components, etc. with bare hands, unless using a wrist strap and a conductive sheet.

F01.ai

Wrist strap

1MΩ

Wrist strap

Conductive Sheet

1 MΩ resistance

1MΩ

Figure 1 Example of wrist strap and conductive sheet

Replacing parts

Always use parts specifi ed by Yokogawa when replacing parts. For replacement, see “6.
Maintenance”.

Maintenance and Repair

Instrument modifi cation or parts replacement by any person other than an authorized
representative of Yokogawa Electric Corporation is prohibited.

2nd Edition : May 11, 2012-00

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