Viper 4040 User Manual
7 Fan Balance – 7-23
7.1.22. The Fan/Turbine Suggested /Installed Wts screen will be displayed. If this is the
first suggested weight screen, the weights will be test weights unless an established
influence was entered in the setup. Notice at the top of the screen that the message
“Remove Old Wts” is shown. All previously installed weights must be removed
EACH TIME a new solution is installed. This means that weights installed on the
previous run of a balance job must be removed completely before a new solution is
installed. The example screen below shows the suggested installation of class
weights. Identified in the Name: Plane # line as 4096T45PXX (this will be the name
of the default class weight set as specified in paragraph 7.1.8.13 above). The left
column, with a heading of “Posn”, shows the suggested position (or preferred term
selected in paragraph 7.1.8.2 above) for each class weight. To change the position,
use the [⇓] [⇑] keys to move from field to field. When the correct field is
highlighted, use the [⇒] [⇐] keys to change the value in that field. The center
column, with a heading of “Suggest” is the Class Weight suggested for that Position.
The right column, with a heading of “Install”, is the entry for the actual Class
Weight installed in a particular Position. To change the Class Weight installed for
each Position, use the [⇓] and [⇑] keys to move from field to field. When the correct
field is highlighted, use the [⇒] and [⇐] keys to change the value in that field. In
this case, the P01 weights are null weights that occupy positions when no balance
weight is suggested for the position. Near the bottom of the screen, you will see the
Total: “Soln =”, and the “Inst =”. The Soln field shows you the exact solution
required to balance the plane. The Inst field shows you the total you indicated you
have installed up to this point. If you do not agree with the Inst, review the screen
again and change weights as necessary. If you have installed the exact weights and
locations suggested, you need only press [ENTER] to continue. You may press the
[F1] “Function2” key, to view an additional list of function keys. If you choose to
install no weights, you may indicate this by pressing the [F2] “Inst=None” key. This
will return all “Installed” values to the null or “0” weight. If you do not have a
complete set of class weights, press the [F3] “Edit Weight” key and go to paragraph
7.1.22.1 below for complete instructions. If you press the [F4] “Positions” key you
will be taken to a second screen that shows the remaining hole locations and
suggested weights. Complete the second screen exactly as you would the first
screen. If you want to stop and exit this job without the option to resume at a later
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