11
MA671635_13.1 [Original Instructions] 1/23/2012
Maintenance
The VibroMet 2 will continue to perform at optimum levels with proper care, daily cleaning, and general
maintenance.
The protective hood and touch-panel control pad should be cleaned using mild soap and water applied
with a soft cloth. Do not use ammonia-based cleaners, i.e. Windex
®
. Cloudiness and cracking can occur.
Exterior painted surfaces should be cleaned with a non-abrasive household cleaner.
Adjusting the Air Gap
The air gap is the space between the armature face and the core assembly face. The air gap
must be set at .035 inch. A proper air gap is necessary for optimum performance. The air gap is
set and tested before leaving Buehler. However, the air gap can change due the application of
high voltage or improper handling.
When the air gap is too narrow the armature and core will collide during a polishing cycle. This
“striking” can cause machine damage (i.e. broken springs, cracked base or bowl, or cracked
armature or core).
If the air gap is too wide the VibroMet 2 will draw a high current, which may cause coil burnout,
lack of vibratory action, or failure of control.
Electrical Shock Hazard. Power off the unit before servicing.
Tools Needed
• 7/16 Socket Wrench
• 9/16 Wrench
• Feeler Gauge
1. Disconnect and unplug the VibroMet 2 from all power sources.
2. Remove the PVC polishing bowl and drive plate.
3. Remove the screws securing the cabinet to the base of the machine.
4. Lift off the cabinet and disconnect the electrical cables from the cabinet to the base.
5. Loosen the screws that secure the core assembly to the base. Only loosen the screws just
enough to relieve holding pressure.
6. Move the core assembly in small increments in the appropriate direction (either away from or
closer to the armature assembly). Keep the core assembly equal on each side.
7. When a .035-inch gap has been reached, tighten the screws securing the core assembly to
the base.
8. Recheck the gap space after the core assembly has been secured.
9. Reconnect the electrical cables from the base to the cabinet.
10. Replace the cabinet and secure to the base.
11. Replace the drive plate PVC polishing bowl.
12. Reconnect power to the VibroMet 2.
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