TROUBLE SHOOTING
PROBLEM
T T r r i i g g g g e e r r v v a a l l v v e e h h o o u u s s i i n n g g l l e e a a k k s s a a i i r r
T T r r i i g g g g e e r r v v a a l l v v e e s s t t e e m m l l e e a a k k s s a a i i r r
F F r r a a m m e e / / n n o o s s e e l l e e a a k k s s a a i i r r
F F r r a a m m e e / / c c a a p p l l e e a a k k s s a a i i r r
F F a a i i l l u u r r e e t t o o c c y y c c l l e e
L L a a c c k k o o f f p p o o w w e e r r ; ; s s l l o o w w t t o o c c y y c c l l e e
S S k k i i p p p p i i n n g g f f a a s s t t e e n n e e r r s s ; ; i i n n t t e e r r m m i i t t t t e e n n t t f f e e e e d d Worn bumper . . . . . . . . . . . . . . . . . . . . . . . . . . .Replace bumper
F F a a s s t t e e n n e e r r s s j j a a m m i i n n t t o o o o l l
CAUSE
O-ring cut or cracked . . . . . . . . . . . . . . . . . . . . .Replace O-ring
O-ring/seals cut or cracked . . . . . . . . . . . . . . . . .Replace trigger valve assembly
Loose nose screws . . . . . . . . . . . . . . . . . . . . . . .Tighten and recheck
O-ring or Gasket is cut or cracked . . . . . . . . . . .Replace O-ring or gasket
Bumper cracked/worn . . . . . . . . . . . . . . . . . . . . .Replace bumper
Damaged gasket or seal . . . . . . . . . . . . . . . . . .Replace gasket or seal
Cracked/worn head valve bumper . . . . . . . . . . .Replace bumper
Loose cap screws . . . . . . . . . . . . . . . . . . . . . . . .Tighten and recheck
Air supply restriction . . . . . . . . . . . . . . . . . . . . . .Check air supply equipment
Tool dry, lack of lubrication . . . . . . . . . . . . . . . . .Use BOSTITCH Air Tool Lubricant
Worn head valve O-rings . . . . . . . . . . . . . . . . . .Replace O-rings
Broken cylinder cap spring . . . . . . . . . . . . . . . . .Replace cylinder cap spring
Head valve stuck in cap . . . . . . . . . . . . . . . . . . .Disassemble/Check/Lubricate
Tool dry, lacks lubrication . . . . . . . . . . . . . . . . . .Use BOSTITCH Air Tool Lubricant
Broken 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
Dirt/tar build up on driver . . . . . . . . . . . . . . . . . .Disassemble nose/driver to clean
Cylinder sleeve not seated correctly
on bottom bumper . . . . . . . . . . . . . . . . . . . . . . .Disassemble to correct
Head valve dry . . . . . . . . . . . . . . . . . . . . . . . . . .Disassemble/lubricate
Air pressure too low . . . . . . . . . . . . . . . . . . . . . .Check air supply equipment
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
Low air pressure . . . . . . . . . . . . . . . . . . . . . . . . .Check air supply system to tool
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 magazine
Fasteners with wrong orientation . . . . . . . . . . . .Replace fasteners with correct orientation
Driver channel worn . . . . . . . . . . . . . . . . . . . . . .Replace nose/check door
Wrong size fasteners . . . . . . . . . . . . . . . . . . . . .Use only recommended fasteners
Bent fasteners . . . . . . . . . . . . . . . . . . . . . . . . . .Discontinue using these fasteners
Loose canister/nose screws . . . . . . . . . . . . . . . .Tighten all screws
Broken/chipped driver . . . . . . . . . . . . . . . . . . . . .Replace driver
Fasteners with wrong orientation . . . . . . . . . . . .Replace fasteners with correct orientation
CORRECTION
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