Blastrac 1-8DECMKI, Operating Manual

Page: 46 / 54

Operating Instructions 1-8DEC 230V
Troubleshooting
10.3 Continued
A period of trial and error may be necessary for specific job applications. Generally
speaking, the more dust generated by your shotblasting unit, the greater the suction
you will need from the dust collector to keep the abrasive as clean as possible.
10.4 Troubleshooting
– Electrical
Trouble Probable Cause Remedy
Electric Motor does not
start. Main power disconnected
(Power on light should be
on if power connected.)
Overload relay tripped.
Broken, damaged or
loose wiring.
Long extension cord
being used. Check main power cable at
electrical source. Must be 208/230
volt, 60hz single-phase power, 20-
amp service.
Reset overload relay, check setting
(17 A at 120 V.)
Inspect cable and panel for loose
wires, terminal cuts or abrasions.
Replace when necessary.
Decrease length or increase wire
size.
Wheel motor ammeter
reading unsteady.
Abrasive level low.
Loose connectors
Abrasive system clogged
or damaged.
Abrasive valve closed or
not open enough.
Belts loose
Ammeter faulty Add abrasive to appropriate level.
Tighten connectors.
Clean or replace defective parts.
Adjust abrasive control valve.
Tighten or replace belts.
Replace
45