SAFETY
GENERAL
The HC-4E1 Helium Compressor is designed to operate safely when the installation, operation
and servicing are performed in accordance with the instructions in this technical manual.
Consult the nearest SCAI Service Center with any questions you may have concerning the use
or maintenance of these compressors. For Service Center locations, see the Service section of
this manual.
SPECIAL NOTICES
Three types of special notices - WARNINGS, CAUTIONS and NOTES are used in this technical
manual. They appear as follows and serve the purposes stated.
WARNINGS call attention to actions or conditions that can result in serious injury or death to
personnel.
CAUTIONS call attention to actions or conditions that can result in damage to the equipment or
in abnormal performance.
NOTE
NOTES give important, additional information, explanations or recommendations related to the
procedure or discussion presented.
WARNINGS and CAUTIONS, like other safety instructions, appear within rectangles in the text
where they are especially applicable. Because of their importance, they are summarized in this
section and in the General Technical Manual, and should be read first.