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
Skipping fasteners; intermittent
feed
Damaged pusher spring Replace spring
Tool dry, lacks lubrication Use
DEWALT pneumatic tool oil
Worn driver piston O-ring Replace O-ring, check driver
Air restriction/inadequate airflow through
socket and plug
Replace quick disconnect fittings
Dirt/grime in driver channel Disassemble and clean driver and sleeve
Worn bumper Replace bumper, check driver and driver piston O-ring
Fasteners jam in tool Driver channel worn Replace Fixed nose
Wrong sized fasteners Use only recommended fasteners
Bent/damaged fasteners or collation Discontinue using these fasteners
Loose magazine/nose screws Tighten all screws
Broken/chipped driver Replace driver
Fastener misses metal
connector hole
Damaged moveable nose Replace moveable nose
Nail not fully positioned in the drive channel Check for debris/collation in drive channel; remove
Hole not properly located with point of nail Place nail point in metal connector hole before firing
Nail point not visible Trigger stem depressed Release trigger; disconnect and reconnect air; replace
Nose spring broken Replace nose spring
Nail jammed in drive channel Disconnect air/clear jam
Cam spring broken or missing Replace cam spring
Cam/shuttle jammed Disconnect air/remove cover/separate cam and
Less than 5 nails/tool in lockout mode Disconnect from air and add new strip of nails
CT housing vibrates, buzzes
or has a delay during actuation
Shuttle O-ring cut or cracked Replace O-ring
English
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