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

Loose nose screws

Tighten and recheck

 

O-ring or Gasket is cut or cracked

Replace O-ring or gasket

 

Bumper cracked/worn

Replace bumper

Frame/cap leaks air

Damaged gasket or seal

Replace gasket or seal

 

Cracked/worn head valve bumper

Replace bumper

 

Loose 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

 

Worn head valve O-rings

Replace O-rings

 

Broken cylinder cap spring

Replace cylinder cap spring

 

Head valve stuck in cap

Disassemble/Check/Lubricate

Lack of power; slow to cycle

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 correctly

 

 

on bottom bumper

Disassemble to correct

 

Head valve dry

Disassemble/lubricate

 

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 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)

 

Dirty magazine

Clean magazine

 

Worn magazine

Replace magazine

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

 

Broken/chipped driver

Replace driver

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Bostitch SB-100SX manual Trouble Shooting, Problem Cause Correction