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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/Piston rod leaks air
O-ring . . . . . . . . . . . . . . . . . . . . . . . . . .Replace O-ring
Frame/cap leaks air
Damaged O-ring . . . . . . . . . . . . . . . . . .Replace O-ring
L
oose cap screws . . . . . . . . . . . . . . . .Tighten and recheck
Failure to cycle
Air supply restriction . . . . . . . . . . . . . . .Check air supply equipment
Tool dry, lack of lubrication . . . . . . . . . .Use BOSTITCH Air Tool Lubricant
Broken piston . . . . . . . . . . . . . . . . . . . .Replace piston
Lack of power; slow to cycle
Tool dry, lacks lubrication . . . . . . . . . . .Use BOSTITCH Air Tool Lubricant
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
D
irt/tar build up on driver . . . . . . . . . . .Disassemble nose/driver to clean
Air pressure too low . . . . . . . . . . . . . . .Check air supply equipment
Worn or misadjusted cycle lever . . . . .Adjust adjustment nut or replace adjustment lever
Skipping fasteners; intermittent feed
T
ar/dirt in driver channel . . . . . . . . . . . .Disassemble and clean nose and driver
A
ir restriction/inadequate air
flow through quick disconnect
socket and plug . . . . . . . . . . . . . . . . . .Replace quick disconnect fittings
Worn piston O-ring /piston . . . . . . . . . .Replace O-ring/piston
T
ool dry, lacks lubrication . . . . . . . . . . .Use BOSTITCH Air Tool Lubricant
Low air pressure . . . . . . . . . . . . . . . . . .Check air supply system to tool
Loose magazine nose screws . . . . . . .Tighten all screws
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)
Worn anvil/pusher . . . . . . . . . . . . . . . . .Replace anvil/pusher
Broken pusher spring . . . . . . . . . . . . . .Replace pusher spring
Worn former . . . . . . . . . . . . . . . . . . . . .Replace former
Dry/dirty magazine . . . . . . . . . . . . . . . .Clean/lubricate use BOSTITH Air Tool Lubricant
Fasteners jam in tool
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
Worn former . . . . . . . . . . . . . . . . . . . . .Replace former
Worn anvil/pusher . . . . . . . . . . . . . . . . .Replace pusher