TriScroll 300 Dry Scroll Vacuum Pump
vi
Preface
This manual provides the information you need to successfully perform replacement of the entire
module of your Varian TriScroll
TM
Dry Vacuum Pump. Module replacement is performed as an
alternative to performing a complete overhaul and rebuild (Major Maintenance) and is sold as one of
the options recommended when the pump base pressure has risen to an unacceptably high level for
your application. If you have questions that are not addressed in this manual, please contact the nearest
Varian Vacuum Technologies service facility listed on the rear cover of this manual.
Safety Considerations
READ THE FOLLOWING INSTRUCTIONS. TAKE ALL NECESSARY PRECAUTIONS.
The following format is used in this manual to call attention to hazards:
Maintenance personnel must be aware of all hazards associated with this equipment. They must
know how to recognize hazardous and potentially hazardous conditions, and know how to avoid them.
The consequences of work performed by unskilled or improperly trained maintenance personnel, or
careless operation of the equipment employed in the specified maintenance procedures can be serious.
Every maintenance person must read and thoroughly understand the materials discussed and the
instructions provided in this manual, as well as any additional information provided by Varian Vacuum
Technologies.
All warnings and cautions must be read carefully, fully understood, and strictly observed. Consult local,
state/province, and national agencies regarding specific requirements and regulations. Address any
safety, operation, and/or maintenance questions to the nearest Varian Vacuum Technologies location.
WARNING
The warning messages are for attracting
the attention of the operator to a partic-
ular procedure or practice which, if not
followed correctly, could lead to serious
injury.
CAUTION
The caution messages are displayed
before procedures, which if not fol-
lowed, could cause damage to the
equipment.
NOTE
The notes contain important informa-
tion taken from the text.
