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5-26
5-28
5-29
Operation
5.10 Behind–the–spokes
placement SWM (
Behind-the-spokes placement mode allows
to split balance weights that, according to the
measurement, would have to be fi tted between two
spokes, hence in a visible position. With the SWM
Mode instead, two equivalent weights are placed in
hidden position behind the two nearest spokes to
the initial application point (see example, Fig. 5-26).
You can only select SWM Mode after running a
measurement on a wheel with an unbalance on the
right plane ≥ 10 grams.
After a run the measuring electronics calculates the
correct position of the weights behind the spokes
automatically and indicates the weight application
position.
Note:
The "fi ne" measurement accuracy is not
available in this mode.
The operating steps for the behind–the–spokes
placement mode (SWM) are described and illustrated
below.
5.10.1 Laser Pointer Usage
• Start a measurement run in Alu2P or Alu3P mode.
• Apply the required weight to the left plane..
• DO NOT apply the weight to the right plane, but
select the "*" key.
The display will now look like (Fig. 5-28) (the weight
position and relative indicators depend on the selected
ALU mode). The "*" is on and the SWM indicator is
fl ashing.
Note:
If the SWM does not fl ash, check that the
unit is in Alu2P or Alu3P mode.
• Select the Enter key to activate SWM mode.
The "*" indicator turns off, a brief beep is emitted and
the SWM indicator remains on continuously.
SWM Mode is now active.
The left display shows the letters "HSP", while the right
display indicates the number of spokes (Fig. 5-29).
The unit determines the positions of the two split
weights on the right plane according to the number of
spokes and the position of at least one of them, which
are taught by the user.
• Count the wheel spokes and then use the + and -
keys to set the corresponding number.
• Turn the wheel to align one spoke (any one) with
the Laser dot, which is visible at approximately 5
O'clock.
• Select Enter.
The display shows the unbalance values again.
The unit calculates the weights to be applied to the right
plane, in two positions behind the spokes.
)
Split Weight Mode
≥ 0.35 ounces
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