DIMAS DS350 Betriebs- Und Wartungsanleitung Seite 33

If the drill can be removed,
If the drill cannot be removed,
In extreme cases,
Borer comes loose during operation
Expanding bolt mounting
Suction mounting
Unusual vibrations
11
Excessive drill wear
If the water flow and pressure are inadequate:
11
If using recycled water loaded with abrasive
material:
If too much pressure is applied, the diamonds will
become detached causing accelerated wear:
If the material to be bored is too abrasive:
No progress
11
15 Using the motor
Speed changes
Never use pliers or similar tools to
make these changes.
Clutch:
Incidents on single-phase electric
16
motors.
31