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TROUBLESHOOTING GUIDE
This section provides a list of the more frequently encountered malfunctions, their causes and corrective actions. The operator or
maintenance personnel can perform some corrective actions, and others may require the assistance of a qualified DEWALT technician
or your dealer.
Problem
Decrease in Performance .....................................1
Abrasive Media does not Fire From Gun .............2
Cabinet Light does Not Work ...............................3
Visibility Issue.........................................................4
WARNING: Disconnect power and air before the maintenance is performed. Never perform any maintenance with the cabinet
under pressure.
Code
Possible Cause
1
Not enough air pressure and/or air flow.
Air leaking from loose connection.
Abrasive media level too low.
Abrasive media worn.
Moisture in abrasive.
Lubrication being used.
Gun Blockage.
Code
Possible Solution
•
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.
•
Verify all connections are leak free.
•
Verify unit is filled with enough abrasive to operate correctly.
•
Change abrasive if worn or too fine.
•
Air must be clean and dry. Check inline filter. An oiler system should
not be used with this tool. The oil will mix with the abrasive and
cause a clog.
•
Disconnect air supply. Unscrew gun tip and remove nozzle to check
for blockage. Check for obstruction in suction tube and/or pickup
tube in hopper.
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