DB-70 Automatic Wheel Balancer 50 P/N 5900261 — Rev. A1 — January 2021
Troubleshooting
⚠ DANGER Disconnect the Power Cord from power
before performing any
troubleshooting or maintenance procedures
and take whatever steps are
necessary to make sure the unit cannot be re-energized until Troubleshooting is
over. Because the unit uses electricity, you could be electrocuted or even killed if
the unit is powered back on during a Troubleshooting procedure. If your
organization has Lockout/Tagout policies, make sure to implement them before
beginning any Troubleshooting.
Perform the following checks if you are experiencing balancing problems:
Confirm the location and alignment of the alignment marks on the Shaft Assembly and Shaft
Housing (see
Installing the Shaft for more information).
Make sure the Balancer is anchored (see Anchoring the Balancer for more information).
Perform a calibration Perform the calibration with a steel Wheel of the most commonly used size.
Note: It is good practice to keep a known good Wheel of the most commonly used size to use
as a calibration / reference Tire to assist in troubleshooting.
• Verify the calibration weight used is a 100 gram or 3.5 ounce weight and that is mounted correctly
during the calibration procedure.
Issues
Issue Action
Nothing on the Display Panel. Make sure the Balancer is turned on and supplied power.
The Balancer is not producing
good balances on a consistent
basis.
Perform the Calibration Procedure. Refer to the
Calibration
section for more information.
Vibration persists after balancing. A weight has come off; replace it.
Tire is slipping on the Wheel (possible Tire Changer issue);
have Tire remounted and then rebalanced.
Stones or other objects caught in Tire tread; remove the
objects, rebalance if necessary.
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