13
Failure
Possible Reasons for Failure Corrective Actions
Unusual Noise.
Uneven or loose surface being
ground.
Verify suitability of substrate being
ground.
Loose or damaged tooling.
Inspect tooling to make sure that
all connecting hardware is tight
and tool is firmly seated to holder.
Shroud is dragging on the floor.
Adjust shroud and tighten to no
more than ¼ inch above floor.
Reduced performance
or no performance.
Diamond tooling is worn or
damaged.
Inspect diamond tooling for
remaining abrasive. If depleted,
replace with new tooling.
Dust being produced.
Shroud is out of adjustment.
Adjust shroud and tighten to no
more than 2 mm above floor.
Dust hose is clogged.
Inspect dust hose and ports for
debris that may be clogging hose.
Dust collector malfunction.
Verify dust collector is operating
properly.
8.2
Diagnosis of Electrical Failure
Failure
Possible Reasons for Failure Corrective Actions
Motor does not start up. Missing Phase.
Check power supply.
Faulty switch or relays.
Get diagnosis and replacement
by a skilled electrician.
Emergency Stop.
Unlock the emergency stop
button.
Motor stops during
operation.
Current power is too high.
Disconnect plug.
Supply circuit breaker is
disengaged.
Reset circuit breaker or replace
fuse.
Motor is damaged.
Inspect motor.
9.0 Reference Guide & Procedures
9.1 Concrete Prep Diamond Tooling
9.2 Polished Concrete - EGT Polishing System (Dry Steps)
9.3 Polished Concrete - CLC Polishing System (Dry-Wet-Dry Steps)
9.1
Concrete Prep Diamond Tooling
NFE offers diamond tooling for any phase of the grinding or polishing process. Below is a list of those
tools and their applications.
