Troubleshooting - Diamond Products CB700 Operation Manual

TROUBLESHOOTING

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Bit is jammed while coring.
Debris is lodged between core and bit.
Rotate bit in both directions using spanner to release
debris then inspect bit.
Drill stand is not secured to work surface.
Reset base and secure properly using vacuum base or
anchor.
Diamond rims have worn away.
Replace core bit.
Coring speed has reduced.
Bit has encountered rebar.
Adjust feed pressure to avoid motor overload.
Diamonds have glazed over.
Dress diamond rim on bit and check water feed rate.
Diamond rims have worn away.
Replace core bit.
New core bit.
Core at a slow rate during first 2-3 coring cycles.
Core bit appears to sway.
Shaft was been damaged.
Replace shaft and check bearing arrangement.
Bit is deformed or damaged.
Replace core bit.
Chips are attaching to the bit.
Inspect core bit and increase water flow rate.
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