DeWalt DW66C-1 Instruction Manual page 16

MANY COMMON PROBLEMS CAN BE SOLVED EASILY BY UTILIZING THE CHART BELOW.
FOR MORE SERIOUS OR PERSISTENT PROBLEMS, CONTACT A D
fasteners from magazine before making any adjustments or servicing this tool.
SYMPTOM
Skipping fasteners; intermittent
feed
Fasteners jam in tool
TROUBLESHOOTING GUIDE
WARNING: To reduce the risk of serious personal injury, remove
CAUSE
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 feed piston spring
Low air pressure
Loose canister 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
Driver channel worn
Wrong size fasteners
Bent fasteners
Loose canister/nose screws
Broken/chipped driver
14
WALT SERVICE CENTER OR CALL 1-(800)-4-D
E
FIX
Replace bumper
Disassemble and clean nose and driver
Replace quick disconnect fittings
Replace O-ring, check driver
Use
D WALT pneumatic tool oil
E
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 magazine
Replace nose/check door
Use only recommended fasteners
Discontinue using these fasteners
Tighten all screws
Replace driver
WALT.
E