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
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
Replace head valve
Loose cap screws
Tighten and recheck
Failure to cycle
Air supply restriction
Check air supply equipment
Worn head valve
Replace head valve
Broken cylinder cap spring
Replace cylinder cap spring
Head valve stuck in cap
Disassemble / Check
Failure to complete cycle
Debris in nose, door, contact arm area
Clean nose, door, contact arm area
Lack of power; slow to cycle
Broken cylinder cap spring
Replace cap spring
Rings/seals cut or cracked
Replace rings/seals
Exhaust blocked
Check bumper, head valve spring
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
Air pressure too low
Check air supply equipment
Clogged air filter
Clean or replace air filter
English
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