Troubleshooting - DeWalt DWFP12569 Instruction Manual

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Problem Cause
Trigger valve housing O-ring cut or cracked
leaks air
Trigger valve stem O-ring/seals cut or cracked
leaks air
Frame/nose leaks air Loose nose screws
O-ring or Gasket is cut or cracked
Bumper cracked/worn
Frame/cap leaks air Damaged gasket or seal
Cracked/worn head valve bumper
Loose cap screws
Failure to cycle Air supply restriction
Tool dry, lack of lubrication
Worn head valve O-rings
Broken cylinder cap spring
Head valve stuck in cap
Lack of power; slow Tool dry, lacks lubrication
to cycle
Broken cylinder cap spring
O-rings/seals cut or cracked
Exhaust blocked
Trigger assembly worn/leaks
Dirt/tar build up on driver
Cylinder sleeve not seated correctlyon bottom bumper Disassemble to correct
Head valve dry
Air pressure too low
Skipping fasteners; Worn bumper
intermittent feed
Tar/dirt in driver channel
Air restriction/inadequate air flow through
quick disconnect socket and plug
Worn piston O-ring
Tool dry, lacks lubrication
Damaged pusher spring
Low air pressure
Loose magazine nose screws
Fasteners too short for tool
Bent fasteners
Wrong size fasteners
Leaking head cap gasket
Trigger valve O-ring cut/worn
Broken/chipped driver
Dry/dirty magazine
Worn magazine
Fasteners jam in tool Driver channel worn
Wrong size fasteners
Bent fasteners
Loose magazine/nose screws
Broken/chipped driver
8
TROUBlE shOOTing
Correction
Replace O-ring
Replace trigger valve assembly
Tighten and recheck
Replace O-ring or gasket
Replace bumper
Replace gasket or seal
Replace bumper
Tighten and recheck
Check air supply equipment
Use Air Tool Lubricant
Replace O-rings
Replace cylinder cap spring
Disassemble/Check/Lubricate
Use Air Tool Lubricant
Replace cap spring
Replace O-rings/seals
Check bumper, head valve spring, muffler
Replace trigger assembly
Disassemble nose/driver to clean
Disassemble/lubricate
Check air supply equipment
Replace bumper
Disassemble and clean nose and driver
Replace quick disconnect fittings
Replace O-ring, check driver
Use Air Tool Lubricant
Replace spring
Check air supply system to tool
Tighten all screws
Use only recommended fasteners
Discontinue using these fasteners
Use only recommended fasteners
Tighten screws/replace gasket
Replace O-ring
Replace driver (check piston O-ring)
Clean/lubricate use Air Tool Lubricant
Replace magazine
Replace nose/check door
Use only recommended fasteners
Discontinue using these fasteners
Tighten all screws
Replace driver