Trouble Shooting - Stanley Bostitch T40M Operation And Maintenance Manual

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
Skipping fasteners; intermittent feed
Fasteners jam in tool/canister
CAUSE
O-ring cut or cracked
O-ring/seals cut or cracked
Loose nose screws
O-ring or Gasket is cut or cracked
Bumper cracked/worn
Damaged gasket or seal
Cracked/worn head valve bumper
Loose cap screws
Air supply restriction
Tool dry, lack of lubrication
Worn head valve O-rings
Broken cylinder cap spring
Head valve stuck in cap
Tool dry, lacks lubrication
Broken cylinder cap spring
O-rings/seals cut or cracked
Exhaust blocked
Trigger assembly worn/leaks
Dirt/tar build up on driver
Cylinder sleeve not seated correctly
on bottom bumper
Head valve dry
Air pressure too low
Worn bumper
Tar/dirt in driver channel
Air restriction/inadequate air flow through
quick disconnect socket and plug
Worn piston O-ring
Tool dry, lacks lubrication
Damaged pusher spring
Low air pressure
Loose magazine nose screws
Fasteners too short for tool
Bent fasteners
Wrong size fasteners
Leaking head cap gasket
Trigger valve O-ring cut/worn
Broken/chipped driver
Dry/dirty magazine
Worn magazine
Driver channel worn
Wrong size fasteners
Bent fasteners
Loose magazine/nose screws
Broken/chipped driver
Feed piston dry
Feed piston O-rings cracked/worn
Check Pawl binding
Canister bottom not set correctly
Broken weld wires in nail coil
Wrong size fasteners for tool
Broken welded wires in nail coil
Wrong slide plate adjustment for
wire/plastic collated nail coil
-7-

TROUBLE SHOOTING

CORRECTION
Replace O-ring
Replace trigger valve assembly
Tighten and recheck
Replace O-ring or gasket
Replace bumper
Replace gasket or seal
Replace bumper
Tighten and recheck
Check air supply equipment
Use STANLEY-BOSTITCH Air Tool Lubricant
Replace O-rings
Replace cylinder cap spring
Disassemble/Check/Lubricate
Use STANLEY-BOSTITCH Air Tool Lubricant
Replace cap spring
Replace O-rings/seals
Check bumper, head valve spring, muffler
Replace trigger assembly
Disassemble nose/driver to clean
Disassemble to correct
Disassemble/lubricate
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/replace gasket
Replace O-ring
Replace driver (check piston O-ring)
Clean/lubricate use STANLEY-BOSTITCH
Air Tool Lubricant
Replace magazine
Replace nose/check door
Use only recommended fasteners
Discontinue using these fasteners
Tighten all screws
Replace driver
COIL NAILERS
Add STANLEY-BOSTITCH Air Tool Lubricant
in hole in feed piston cover
Replace O-rings/check bumper and spring.
Lubricate assembly.
Inspect Pawl and spring on door.
Must work freely.
Set canister bottom for length of nails
being used
Remove coil of nails and use another coil
Use only recommended fasteners/check canister
bottom adjustment
Remove coil of nails and use another coil
Adjust switch pins for wire/plastic collated nail coil