Model G0714 (Mfd. Since 05/22)
-31-
Review the troubleshooting and procedures in this section to fix or adjust your machine if a problem devel-
ops. If you need replacement parts or you are unsure of your repair skills, then feel free to call our Technical
Support at (570) 546-9663.
SECTION 7: SERVICE
Troubleshooting
Operation
Symptom
Possible Cause
Possible Solution
Intermittent,
clogging, or no
media spray
at blast gun;
or striping is
occurring on
workpiece.
1. Suction tube has been clogged from
contaminant.
2. Incorrect or worn-out media.
3. Worn or incorrect blast tip.
4. Low airflow or pressure up to cabinet.
5. Blasting system has incorrect airflow
or pressure.
6. Cabinet is overloaded with media.
7. Blast gun is damaged or has bad seals.
8. Foot valve or lines are at fault.
1. Cover blast tip and press foot pedal to use
air pressure to purge foot valve and suction
system. Repeat step periodically during
blasting operations.
2. Verify that media chosen is correct material
for blasting operation (
Page 26). Make
sure that media is not worn-out, saturated
with debris, or contaminated with moisture,
causing it to cake inside of lines. Screen or
replace media as required.
3. Disconnect machine from air and rotate blast
tip
1
⁄
4
-turn to compensate for wear. Replace or
install with correct blast tip.
4. Troubleshoot air supply system and
verify compressor, supply lines, moisture
separators, and air dryers have correct airflow
and are in good working order.
5. Adjust air regulator on cabinet to maintain
correct air pressure and flow, and verify no
hose kinks or clogs exist.
6. Remove media but leave just enough for
blasting operation.
7. Disassemble blast gun, clean and reseal.
8. Clean and reseal foot valve, fittings, and lines.
Dust collector
won't start or
circuit breaker trips.
1. Damaged or loose power cord.
2. ON/OFF switch at fault.
3. Circuit breaker/fuse has tripped.
4. Wiring at fault.
5. Motor brushes at fault.
6. Motor at fault.
1. Re-secure and test power cord. Replace as
required.
2. Test and replace open switch.
3. Replace fuse on control box, reset power
supply circuit breaker.
4. Repair for open or shorted wiring connections.
5. Replace motor brushes (
Page 33).
6. Test and replace motor as required.
LED lights are
dim or will not
illuminate.
1. LED light(s) at fault.
2. ON/OFF switch at fault.
3. Wiring at fault.
1. Replace LED light(s).
2. Test and replace open switch.
3. Repair for open or shorted wiring connections.
Summary of Contents for G0714
Page 48: ......
