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Decreased output� 1� Not enough air pressure�
2� Low air flow�
3� Obstructed Trigger�
4� Blocked air inlet screen
(if equipped)�
5� Air leaking from loose housing�
6� Mechanism contaminated�
7� Clogged Silencer Filter�
1� Ensure the air hose is the proper size� 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� Y)(;)'(-]7--<(8/]%8*8(/%+(2+-&&*+-4
2� Adjust the Regulator Value on the Sander�
3� Clean around Trigger to ensure free movement�
4� Clean air inlet screen of buildup�
5� Make sure housing is properly assembled and tight�
6� Have qualified technician
clean and lubricate mechanism� Install in-line filter
in air supply as stated in Setup: Air Supply�
7� Remove and wash/replace the Sander’s filter�
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� Technician needs
to disassemble tool, align parts and reassemble�
3� Replace damaged components�
4� Clean or replace valve assembly�
Housing heats
during use�
Worn parts� Have qualified technician inspect internal
mechanism and replace parts as needed�
Moisture is
blowing out of the
Sander’s exhaust�
There is water in the air
compressor’s tank�
Drain the air compressor’s tank (see air
compressor manual for instructions)� Lubricate
the Sander with oil and run it until moisture no
longer comes out of the exhaust� Lubricate
the tool again and run for 1-2 minutes�
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