Bostitch N80CB manual Troubleshooting, Problem

TROUBLESHOOTING

PROBLEM

Trigger valve housing leaks air Trigger valve stem leaks air Frame/nose leaks air

Frame/cap leaks air

Failure to cycle

Lack of power; slow to cycle

Skipping fasteners; intermittent feed

Fasteners jam in tool

COIL NAILERS

Skipping fasteners; intermittent feed

Fasteners jam in tool/canister

CAUSE	CORRECTION
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 correctlyon bottom
bumper	Disassemble to correct
Head valve dry	Disassemble/lubricate
Air pressure too low	Check air supply equipment
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 Tool
	Lubricant
Worn magazine	Replace magazine
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
Feed piston dry	Add BOSTITCH Air Tool Lubricant in hole
in feed piston cover
Feed piston O-rings cracked/worn	Replace O-rings/check bumper and
	spring. Lubricate assembly.
Check Pawl binding	Inspect Pawl and spring on door. Must
	work freely.
Canister bottom not set correctly	Set canister bottom for length of nails
being used
Broken weld wires in nail coil	Remove coil of nails and use another coil
Wrong size fasteners for tool	Use only recommended fasteners/check
	canister bottom adjustment
Broken welded wires in nail coil	Remove coil of nails and use another coil
Wrong slide plate adjustment for
wire/plastic collated nail coil	Adjust switch pins for wire/plastic collated
	nail coil

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