TROUBLESHOOTING GUIDE
MANY COMMON PROBLEMS CAN BE SOLVED EASILY BY UTILIZING THE CHART BELOW.
FOR MORE SERIOUS OR PERSISTENT PROBLEMS, CONTACT A D
E
WALT SERVICE CENTER OR CALL 1-(800)-4-D
E
WALT.
WARNING:
To reduce the risk of serious personal injury, remove
fasteners from magazine before making any adjustments or servicing this tool.
SYMPTOM
CAUSE
FIX
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
D
E
WALT pneumatic tool oil
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
D
E
WALT pneumatic tool oil
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
English
13