-10-
TROUBLE SHOOTING
PROBLEM CAUSE CORRECTION
Trigger valve housing leaks air. . . . . . O-ring cut or cracked . . . . . . . . . . . . . . . . . . . .Replace O-ring
Trigger valve stem leaks air. . . . . . . . . O-ring/seals cut or cracked . . . . . . . . . . . . . .Replace trigger valve assembly
Frame/nose leaks air . . . . . . . . . . . . . . . O-ring is cut or cracked . . . . . . . . . . . . . . . . . .Replace O-ring
Bumper cracked/worn . . . . . . . . . . . . . . . . . . .Replace bumper
Frame/cap leaks air . . . . . . . . . . . . . . . . Damaged seal . . . . . . . . . . . . . . . . . . . . . . . . . .Replace seal
Cracked/worn head valve bumper . . . . . . . . .Replace bumper
Loose cap screws . . . . . . . . . . . . . . . . . . . . . . .Tighten and recheck
Failure to cycle . . . . . . . . . . . . . . . . . . . .Air supply restriction . . . . . . . . . . . . . . . . . . . .Check air supply equipment
Worn head valve . . . . . . . . . . . . . . . . . . . . . . .Replace head valve
Head valve stuck in cap . . . . . . . . . . . . . . . . . .Disassemble/Check/Lubricate
Lack of power; slow to cycle. . . . . . . . O-rings/seals cut or cracked . . . . . . . . . . . . .Replace O-rings/seals
Exhaust blocked . . . . . . . . . . . . . . . . . . . . . . . .Check bumper
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
Air pressure too low . . . . . . . . . . . . . . . . . . . . .Check air supply equipment
Skipping fasteners; intermittent feed 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 ring . . . . . . . . . . . . . . . . . . . . . . . .Replace piston/driver assembly
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 seal . . . . . . . . . . . . . . . . . . .Tighten screws/replace seal
Trigger valve O-ring cut/worn . . . . . . . . . . . . .Replace O-ring
Broken/chipped driver . . . . . . . . . . . . . . . . . . .Replace driver/piston assembly
Dirty magazine . . . . . . . . . . . . . . . . . . . . . . . . . .Clean magazine
Worn magazine . . . . . . . . . . . . . . . . . . . . . . . . .Replace magazine
Damaged driver guide . . . . . . . . . . . . . . . . . . .Replace driver guide
Fasteners jam in tool . . . . . . . . . . . . . . .Driver channel worn . . . . . . . . . . . . . . . . . . . . .Replace nose
Wrong size fasteners . . . . . . . . . . . . . . . . . . . .Use only recommended fasteners
Bent fasteners . . . . . . . . . . . . . . . . . . . . . . . . . .Discontinue using these fasteners
Loose magazine/nose screws . . . . . . . . . . . .Tighten all screws