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-12-
TROUBLE SHOOTING
PROBLEM CAUSE CORRECTION
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O-ring cut or cracked . . . . . . . . . . . . . . . . . . . . .Replace O-ring
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-ring/seals cut or cracked . . . . . . . . . . . . . . . . .Replace trigger valve assembly
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Loose nose screws . . . . . . . . . . . . . . . . . . . . . . .Tighten and recheck
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-ring or Gasket is cut or cracked . . . . . . . . . . .Replace O-ring or gasket
Bumper cracked/worn . . . . . . . . . . . . . . . . . . . . .Replace bumper
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Damaged gasket or seal . . . . . . . . . . . . . . . . . .Replace gasket or seal
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racked/worn head valve bumper . . . . . . . . . . .Replace bumper
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oose cap screws . . . . . . . . . . . . . . . . . . . . . . . .Tighten and recheck
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Air supply restriction . . . . . . . . . . . . . . . . . . . . . .Check air supply equipment
Tool dry, lack of lubrication . . . . . . . . . . . . . . . . .Use BOSTITCH Air Tool Lubricant
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orn head valve O-rings . . . . . . . . . . . . . . . . . .Replace O-rings
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roken cylinder cap spring . . . . . . . . . . . . . . . . .Replace cylinder cap spring
Head valve stuck in cap . . . . . . . . . . . . . . . . . . .Disassemble/Check/Lubricate
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Tool dry, lacks lubrication . . . . . . . . . . . . . . . . . .Use BOSTITCH Air Tool Lubricant
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roken cylinder cap spring . . . . . . . . . . . . . . . . .Replace cap spring
O-rings/seals cut or cracked . . . . . . . . . . . . . . . .Replace O-rings/seals
Exhaust blocked . . . . . . . . . . . . . . . . . . . . . . . .Check bumper, head valve spring, muffler
Trigger assembly worn/leaks . . . . . . . . . . . . . . .Replace trigger assembly
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irt/tar build up on driver . . . . . . . . . . . . . . . . . .Disassemble nose/driver to clean
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ylinder sleeve not seated correctly
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n bottom bumper . . . . . . . . . . . . . . . . . . . . . . .Disassemble to correct
Head valve dry . . . . . . . . . . . . . . . . . . . . . . . . . .Disassemble/lubricate
Air pressure too low . . . . . . . . . . . . . . . . . . . . . .Check air supply equipment
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Worn bumper . . . . . . . . . . . . . . . . . . . . . . . . . . .Replace bumper
Tar/dirt in driver channel . . . . . . . . . . . . . . . . . . .Disassemble and clean nose and driver
Air restriction/inadequate air flow through
quick disconnect socket and plug . . . . . . . . . . . .Replace quick disconnect fittings
Worn piston O-ring . . . . . . . . . . . . . . . . . . . . . . .Replace O-ring, check driver
Tool dry, lacks lubrication . . . . . . . . . . . . . . . . . .Use BOSTITCH Air Tool Lubricant
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 O-ring)
Dry/dirty magazine . . . . . . . . . . . . . . . . . . . . . . .Clean/lubricate use BOSTITCH Air Tool Lubricant
Worn magazine . . . . . . . . . . . . . . . . . . . . . . . . .Replace magazine
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Driver channel worn . . . . . . . . . . . . . . . . . . . . . .Replace nose/check door
Wrong size fasteners . . . . . . . . . . . . . . . . . . . . .Use only recommended fasteners
Bent fasteners . . . . . . . . . . . . . . . . . . . . . . . . . .Discontinue using these fasteners
Loose magazine/nose screws . . . . . . . . . . . . . .Tighten all screws
Broken/chipped driver . . . . . . . . . . . . . . . . . . . . .Replace driver