Cleaning and lubricating 8, Caution – Emerson Process Management ControlWave EFM 3808 User Manual
Page 302
8
ESDS Manual
#S14006
4/15/92
(9)
If a component is to undergo on-site testing, it may be safely placed on the
grounded work surface for that purpose.
(10)
After all component work is accomplished, remove the wrist straps and ground
wire and place in the pouch of the work surface for future use.
5.
Cleaning And Lubricating
The following procedure should be performed periodically for all PC boards and
when a PC board is being replaced.
CAUTION
Many PC board connectors are covered with a very fine gold-plate.
Do not use any abrasive cleaning substance or object such as a pencil eraser to
clean connectors.
Use only the approved cleaner/lubricants specified in the procedure following.
WARNING
Aerosol cans and products are extremely combustible.
Contact with a live circuit, or extreme heat can cause an
explosion.
Turn OFF all power and find an isolated, and ventilated
area to use any aerosol products specified in this proce-
dure.
(1)
Turn the main line power OFF. Blow or vacuum out the component. This should
remove potential sources of dust or dirt contamination during the remainder of
this procedure.