1 About this manual
IMPORTANT
Read carefully before use.
Keep the manual for future consultation.
1.1 Validity
This operating instructions is a customer document of Pfeiffer Vacuum. The operating instructions de-
scribe the functions of the named product and provide the most important information for the safe use of
the device. The description is written in accordance with the valid directives. The information in this op-
erating instructions refers to the product's current development status. The document shall remain valid
provided that the customer does not make any changes to the product.
1.1.1 Applicable documents
Document
Number
Declaration of conformity
A component of these instructions
You can find this document in the
Pfeiffer Vacuum Download Center
.
1.1.2 Variants
These instructions apply to HenaLine vacuum pumps.
Pump type
Pump version
Hena 201 R
Standard version of rotary vane pump
Hena 251
Standard version of rotary vane pump
Hena 301 R
Standard version of rotary vane pump
1.2 Target group
This operating instructions is intended for persons who
● transport,
● installation,
● operate,
● decommissioning,
● servicing and cleaning,
● storage or disposal.
The work described in this document may only be carried out by persons who have appropriate profes-
sional qualifications (experts).
1.3 Conventions
1.3.1 Instructions in the text
Usage instructions in the document follow a general structure that is complete in itself. The required ac-
tion is indicated by an individual step or multi-part action steps.
Individual action step
A horizontal, solid triangle indicates the only step in an action.
► This is an individual action step.
About this manual
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