Bostitch N12B Series User Manual

PROBLEM
Trigger valve housing leans ar
Trigger valve stem leaks air
Frame/nose leaks air
Framefcap leaks t
Fasterers jam in tool
TROUBLE SHOOTING
CAUSE
O-nng cut or cracked
O-ring/seaJs cut or cracked
Loose nose screws
O-ring or Gasket is cut or cracked
Bumper crackedfwom
Cracked gasket
Crackedfworn head valve dumper
Loose cap screws
Air supply restriction
Tool dry, lack ol lubrication
Worn head valve O-rings
Broken cylinder cap spmg
Read valve stuck in cap
Tool dry, lacks lubrication
Broken cylinder cap spring
O-rings/'seals cut or cracked
Exhaust blocked
Trigger assembly wom/leaks
Dirt/tar build up on driver
Cylinder sleeve nol sealed correctly
on bottom bumper
Head valve dry
Air pressure too low
Worn bumper
Tar.'dirt in driver channel
Air restrictiohiinadequate air (low through
quick disconnect socket & plug
Worn piston O-ring
Tool dry, lacks lub-icalicn
Damaged pusher spring
Low av pressure
Loose magazine nose screws
Fasteners too short for tool
8ent fasteners
Wrong size fasteners
Leaking head cap gasket
Tngge- valve O-ring cuthvorn
Brokerdchipped driver
Dry/dirty magazine
Worn magazine
Driver channel worn
Wrong size fasteners
Bent fasteners
Loose magazine!nose screws
Brokenicfiipoed driver
CORRECTION
Replace O-rmg
Replace O-rinofseafs
Tighten and recheck
Replace O-ring or Gasket
Replace bumper
Replace gasket
Replace bumper
Tighten and recheck
Cneck air supply equipment
Use STANLEY-BOSTITCH Air Tool Lubricant
Replace O-rings
Replace cylinder cap spring
3 i sassem bl e/C heck/Lu dricate
Use STANLEY-BOSTITCH Air Tool Lubricant
Replace cap spring
Replace Onngsfseals
Check bumper, head valve spring
Replace nigger assembly
Disassemble noseidriver to dean
Disassemble to correct
Disassembtelubricate
Check air supply equipment
Replace bumper
Disassemble and clean nose
and driver
Replace quick disconnect
fittings
Replace O-ring. check driver
Use STANLEY-BOSTITCH Air Tool Lubricant
Replace spring
Check air supply system to tool
Tighten all screws
Use only recommended fasteners
Discontinue using these fasteners
Use only recommended fasteners
Tighten screws/repace gasket
Replace O-ring
Replace driver (check piston O-ringj
Cleanflubricale use STANLEY-BOSTITCH An
Tool Lubricant
Replace magazine
Replace nos a,‘check door
Use only recommended fasteners
Discontinue using these fasteners
Tighten all screws
Replace driver
COIL NAILERS
Skipping fasteners
Intermittent feed
Feed piston dry
Ado STANLEY-BOSTITCH Air Tool Lubricant
in hole hi 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 lor length of nails oemg
used.
Broken weld wires in nail coil
Discontinue using
Fasteners jam in tool/canister
Wrong size fasteners for tool
Use only recommended fasteners,'check
canister bottom adjustment
Broken welded wires in nail coil
Discontinue using
Wrong slide plate ad/ustment lor wire/plastic
collated nail coil
Adjust switch pins lor wireiplastic collated
nail coil
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Bostitch N12B Series Specifications

General

Brand	Bostitch
Model	N12B Series
Category	Nail Gun
Language	English