70 Chadwick-Helmuth Company, Inc.
Chapter 5 - General Operation
After the user has set the aircraft ID and channels, as desired, press
START to continue with the propeller setup operation.
Enter channel assignment information, using the first Propeller Balance
Setup screen that displays.
NOTE: The user may change the channel assignments by pressing
the appropriate context key, if the installation for the subject
aircraft is different from the default settings. This action allows the
user to select the user’s own channel assignments.
After the user makes sure the channel assignments shown on the Propeller
Balance Setup screen are the same as the actual channels used, press
START to advance to the next screen.
CAUTION: We suggest that the user perform a check run, both on
the first run and after the front balance channel is within limits. If
the rear channel is higher than the original reading after the
propeller is balanced, further testing is necessary to find out the
possible cause. The problem could be a propeller out of track or an
imbalance in the power train rotating components (crank shaft). Do
not balance under this type of condition. Select channels 2A for a
rear check Velocimeter, if the user is using one.
5.4.1.3 Entering Horsepower
Press START. Use the
HP ENGINE
context key to set the Vibrex unit for
the propeller being balanced. Since high horsepower engines necessarily
require bigger and heavier propellers, this method works well for setting
weight sensitivity.
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