2 Chadwick-Helmuth Company, Inc.
Chapter 1 - Introduction
The chapters explain basic steps required to accomplish optimum one-
per-revolution smoothing of aircraft rotors and other equipment, if
applicable.
WARNING: Installation of some brackets on some aircraft involves
removing nuts and/or bolts, affecting the safety of flight. Follow the
aircraft maintenance manual if these actions require additional
procedures such as retorquing, safetying, the reuse of nuts,
inspections, or sign-offs.
1.1.1 Organization
This user guide has the following topical organization:
Chapter 1. Introduction - General user guide information and overview.
Chapter 2. System Overview - Basic instructions on how to use the
Vibrex 2000 and a general system description.
Chapter 4. Installation - Equipment list and general system installation
procedures.
Chapter 5. General Operation - Using the Vibrex 2000 to achieve
optimum dynamic balance results.
Chapter 6. Maintenance - Checking out the system, basic repairs, and
solving problems; includes a troubleshooting guide.
1.1.2 Notice Formats
In many places in this user guide, the user may see special notices. Their
headings have the following meanings:
• NOTE: Here is additional useful information pertaining to the
current subject.
• CAUTION: Be careful with this procedure or item because of
possible damage to equipment or loss of data.
• WARNING: Exercise extreme care with this procedure or item
because of possible personal injury.
Special notices appear in the format shown here.