Step 5. Perform Trim Balancing - Commtest Instruments vbBalancer Instrument Reference Manual

Attach or remove the recommended correction weight as
•
indicated by the instrument then proceed to Trim Balance.
For dual plane balancing two sets of values will display.

Step 5. Perform Trim Balancing

Replace safety covers, start the machine again and let the
•
rotor settle to its normal operating speed.
Press
•
instrument displays the vibration level with the imbalance
corrected.
to take a trim reading. After a few seconds the
Section 5: Balancing Walk-through 55