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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
Failure to cycle
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
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
D
e
WALT pneumatic tool oil
Damaged feed piston spring
Replace spring
Low air pressure
Check air supply system to tool
Loose canister 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
English
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