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TROUBLESHOOTING GUIDE
MANY COMMON PROBLEMS CAN BE SOLVED EASILY BY UTILIZING THE CHART BELOW.
FOR MORE SERIOUS OR PERSISTENT PROBLEMS, CONTACT A D
eWALT SERVICE CENTER OR CALL 1-(800)-4-DeWALT.
WARNING: To reduce the risk of serious personal injury, remove
fasteners from magazine before making any adjustments or servicing this tool.
SYMPTOM CAUSE FIX
Lack of power; slow to cycle Broken cylinder cap spring Replace cap spring
Rings/seals cut or cracked Replace rings/seals
Exhaust blocked Check bumper, head valve spring
Trigger assembly worn/leaks Replace trigger assembly
Dirt/tar build up on driver Disassemble nose/driver to clean
Cylinder sleeve not seated correctly on bottom bumper Disassemble to correct
Air pressure too low Check air supply equipment
Skipping fasteners; intermittent feed Worn bumper Replace bumper
Debris in nose, door, contact arm area Clean nose, door, contact arm area
Air restriction/inadequate air flow through quick disconnect socket and
plug
Replace quick disconnect fittings
Worn piston ring Replace ring, check driver
Damaged pusher spring Replace spring
Low air pressure Check air supply system to tool
Loose magazine nose screws Tighten all screws
Fasteners too short for tool Use only recommended fasteners
Bent fasteners Discontinue using these fasteners
Wrong size fasteners Use only recommended fasteners
Leaking head cap gasket Tighten screws/replace gasket
Trigger valve O-ring cut/worn Replace O-ring
Broken/chipped driver Replace driver (check piston ring)
Dry/dirty magazine Clean
Worn magazine Replace magazine
English
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