Honeywell Vibrex 2000 User Manual page 197

Digital dynamic balancer / analyzer systems
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Factory configurations should work fine for most normal
circumstances. We do not recommend editing these
configurations unless you have some balancing experience with
the helicopter and use of the EV2K+.
The following are reasons that you may want to edit factory
configurations:
The factory models are not performing well for your
particular model. This could be due to model variations or
ancillary equipment installed on the helicopter or mechanical
condition.
The factory models perform well enough but you want to
"sweeten" the charts for maximum performance on your
helicopter or fleet.
You are installing the vibrations sensors at locations other
than those recommend in the Application Guides.
You want to adapt the factory models for use on other
helicopter types.
There are two basic ways to edit balance charts:
1. A manual process when chart coefficients are known. For
example from existing polar (paper) charts, manufacturer
recommendations, previous auto-correction runs, printouts,
etc.
2. An automated process using auto-correction just computed.
See paragraph 5.6.3, "Auto-Correction".
The manual process follows a series of 4 editing screens to select
and edit the proper chart. The automated process happens at the
end of an auto-correction run when initiated by the user. This
automated process navigates to the proper chart and fills in the
computed coefficients. The user needs to save the results.
Honeywell Confidential: Use or disclosure of information on this page is subject to the restrictions on the title page.
Chapter 5 – General Operation
13841 Rev A
181

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