Worn bumper
Replace bumper, check driver and driver piston
O-ring
Driver channel worn
Fasteners jam in tool
Replace fixed nose
Wrong sized fastener
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
Fasteners 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
debris/remove nails and replace with new strip
Hole not properly located with point of
nail
Place nail point in metal connector hole before firing
the tool
Nail point not visible
Trigger stem depressed
Release trigger; disconnect and reconnect air; replace
trigger valve assembly
Nose spring broken
Replace nose spring
Nail jammed in drive channel
Disconnect air/clear jam
Less than 5 nails/tool in lockout mode
Disconnect from air and add new strip of nails
POSSIBLE CAUSE(S)
CORRECTIVE ACTION
SYMPTOM
Dirt/grime in driver channel
Disassemble and clean driver and sleeve
Skipping fasteners;
intermittent feed
