Hofmann Snap-on Y2k, Service Manual

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C88 Compensation of the Residual Main Shaft Unbalance
Mount a medium heavy wheel on the shaft.
Enter the wheel data and balance the wheel (below 10 grams) in normal weight placement
mode.
Activate service code C88 from the service menu.
Displayed on selection:
The digit "1" in the left display to indicate the step number.
The current adjustment value (0 – 5 degrees).
Step 1 options:
Perform a measuring run.
After the measuring run the digit "2" is shown in the left display to indicate the step number.
Step 2 options:
Attach a weight of 80 – 100 grams in the left correction plane and perform a measuring run.
Step 3 options:
Turn the wheel until the weight is exactly vertically below or above the main shaft. Lock this position with
the mechanical shaft lock. The correction value will follow the rotation of the main shaft within the
permissible range. Outside the range no value is shown.
Press the return key to store the adjustment value and exit the service code.
Pressing the PLUS and MINUS keys together at any stage will act like an Escape key and exit the
function.
C110 Indication of Vcc (5V line voltage)
Displayed on selection:
The value of kernel register Vcc is displayed to 4 decimal places across both display panels. The value is
updated every 200ms.
Step 1 options:
Pressing the PLUS and MINUS keys will exit the code.