Product manual

Page 13For technical questions, please call 1-800-444-3353.Item 69277
Troubleshooting
Problem Possible Causes Likely Solutions
Undesired
cleaning results.
1. Adjustment Screw not
properly adjusted.
2. Abrasive level too low.
3. Nozzle too close to or too far
from the workpiece surface.
1. Re-adjust Adjustment Screw.
2. Refill Cup.
3. Keep Nozzle 1/8" to 1/2" from the workpiece surface.
Decreased output. 1. Not enough air pressure and/
or air flow.
2. Obstructed Control Button.
3. Blocked air inlet screen
(if equipped).
4. Air leaking from loose housing.
1. Check for loose connections and make sure that
air supply is providing enough air flow (CFM)
at required pressure (PSI) to the tool's air inlet.
Do not exceed maximum air pressure.
2. Clean around Control Button to ensure free movement.
3. Clean air inlet screen of buildup.
4. Make sure housing is properly assembled and tight.
Severe air leakage.
(Slight air leakage
is normal,
especially on
older tools.)
1. Cross-threaded housing
components.
2. Loose housing.
3. Damaged valve or housing.
4. Dirty, worn or damaged valve.
1. Check for incorrect alignment and uneven gaps.
If cross-threaded, disassemble and
replace damaged parts before use.
2. Tighten housing assembly. If housing cannot tighten
properly, internal parts may be misaligned.
3. Replace damaged components.
4. Clean or replace valve assembly.
Follow all safety precautions whenever diagnosing or servicing the tool.
Disconnect air supply before service.
SAFETYOPERATIONMAINTENANCE SETUP