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Page 13For technical questions, please call 1-800-444-3353.SKU 91773
Troubleshooting
Problem Possible Causes Likely Solutions
Decreased output. Not enough air pressure and/1.
or air ow.
Obstructed trigger.2.
Incorrect lubrication or not 3.
enough lubrication.
Blocked air inlet screen (if 4.
equipped).
Air leaking from loose housing.5.
Mechanism contaminated. 6.
Check for loose connections and make sure that air 1.
supply is providing enough air ow (CFM) at required
pressure (PSI) to the tool’s air inlet. Do not exceed
maximum air pressure.
Clean around trigger to ensure free movement.2.
Lubricate using air tool oil and grease according to 3.
directions.
Clean air inlet screen of buildup. 4.
Make sure housing is properly assembled and tight.5.
Have qualied technician clean and lubricate 6.
mechanism. Install in-line lter in air supply as stated
in Initial Set Up: Air Supply.
Housing heats
during use.
Incorrect lubrication or not 1.
enough lubrication.
Worn parts.2.
Lubricate using air tool oil and grease according to 1.
directions.
Have qualied technician inspect internal mechanism 2.
and replace parts as needed.
Severe air
leakage.
(Slight air leakage
is normal,
especially on older
tools.)
Cross-threaded housing 1.
components.
Loose housing. 2.
Damaged valve or housing.3.
Dirty, worn or damaged valve. 4.
Check for incorrect alignment and uneven gaps. If 1.
cross-threaded, disassemble and replace damaged
parts before use.
Tighten housing assembly. If housing cannot tighten 2.
properly, internal parts may be misaligned.
Replace damaged components.3.
Clean or replace valve assembly.4.
Decreased sanding
performance
Dull or caked sandpaper. Replace sandpaper.
Follow all safety precautions whenever diagnosing or servicing the tool.
Disconnect air supply before service.
REV 10f
PLEASE READ THE FOLLOWING CAREFULLY
THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS LIST AND ASSEMBLY
DIAGRAM IN THIS MANUAL AS A REFERENCE TOOL ONLY. NEITHER THE MANUFACTURER OR
DISTRIBUTOR MAKES ANY REPRESENTATION OR WARRANTY OF ANY KIND TO THE BUYER THAT HE
OR SHE IS QUALIFIED TO MAKE ANY REPAIRS TO THE PRODUCT, OR THAT HE OR SHE IS QUALIFIED
TO REPLACE ANY PARTS OF THE PRODUCT. IN FACT, THE MANUFACTURER AND/OR DISTRIBUTOR
EXPRESSLY STATES THAT ALL REPAIRS AND PARTS REPLACEMENTS SHOULD BE UNDERTAKEN BY
CERTIFIED AND LICENSED TECHNICIANS, AND NOT BY THE BUYER. THE BUYER ASSUMES ALL RISK
AND LIABILITY ARISING OUT OF HIS OR HER REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT
PARTS THERETO, OR ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO.