Troubleshooting - Craftsman CMPBN18SB Instruction Manual

English
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.
10

Troubleshooting

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 correctlyon 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.
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 Air Tool Lubricant.
Replace O-rings.
Replace cylinder cap spring.
Disassemble/Check/Lubricate.
Use 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 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 Air Tool Lubricant.
Replace magazine.
Replace nose/check door.
Use only recommended fasteners.
Discontinue using these fasteners.
Tighten all screws.
Replace driver.