Correction Of Measured Unbalance; How To Fit A Hidden Adhesive Weight; How To Fit Adhesive Weights On The Left Side Of The Rim Disc - Hofmann geodyna 2600 Operation Manual

Hidden spoke placement
ALU
58
59
60
61
62
32

9.3 Correction of measured unbalance

• Press the START key.
The measuring run is carried out.
During measurement one middle segment is read out on each
of the digital displays (Fig. 58).
After measurement the machine stops automatically, the wheel
is braked down to standstill and the display is as shown in
Fig. 59.
This shows the unbalance measured in each correction plane
and the direction towards the correction position on the direc-
tion indicator.

How to fit adhesive weights on the left side of the rim disc

• Clean the wheel before attaching the adhesive weights.
• Fit adhesive weights on the left side of the rim as de-
scribed in § 8.2.

How to fit a hidden adhesive weight

• Rotate the wheel so that a spoke is at 12:00 o'clock
(Fig. 60, arrow).
• In this position press the key for balancing mode
(Fig. 56, item 1).
The divided amount of unbalance of the behind-the-
spokes placement is read out for the first adhesive
weight in the right correction plane (Fig. 61); in the
example 15 g.
Note
The small arrow on the left-hand side in Fig. 61 indicates the
shortest way to index the position of the other adhesive weight.
• Index the wheel to the exact position for correction in the
first correction position and hold the wheel in this posi-
tion with the main shaft lock.
• Clean the wheel before attaching the adhesive weights.
• Attach a weight in the position (in the example 15 g,
Fig. 61).
The divided amount of unbalance of the behind-the-
spokes placement is read out for the second adhesive
weight in the right correction plane (Fig. 62); in the
example 5 g.
• Fit the second weight behind the spoke in the same way.
To return to the undivided reading of unbalance for left and
right correction plane (Fig. 59):
• Briefly press the key for balancing mode (Fig. 56, item
1). The unbalances for left and right correction plane
are read out. The behind-the-spokes placement mode
is still active as long as Alu 2, Alu 2P, Alu 3 or Alu 3P
are set.
To leave the behind-the-spokes placement mode and reset
the electronic unit to the conventional balancing mode:
• Press and hold the key for balancing mode. Rotate the
wheel to set a balancing mode other than Alu 2, Alu 2P
or Alu 3, Alu 3P.
or
• In the reading "Wheel data" press twice the key for bal-
ancing mode and set number of spokes to 0.
Operation manual geodyna 2600 EEWB703D