STI-2807 | STI-2818LP
Operating Manual
22
8.0 Troubleshooting / Diagnostics
8.1
Diagnosis of Failures
8.2
Diagnosis of Electrical Failure
8.3
Programming the SMV Drive for the P/M Machine
8.1
Diagnosis of Failures
Prior to any repair work on the machine and its drives, secure the machine against
unintentional start-up. Pull out the main plug in order to do this. Store the plug near the
machine to avoid accidents.
Failure
Possible Reasons for Failure
Corrective Actions
Unusual Vibrations
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.
Damaged or worn coupler
Replace coupler
Oil leak under gear box Bad oil seal
Replace oil seal
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
