DeWalt DW66C-1 User Manual

TROUBLESHOOTING GUIDE
MANY COMMON PROBLEMS CAN BE SOLVED EASILY BY UTILIZING THE CHART BELOW.
FOR MORE SERIOUS OR PERSISTENT PROBLEMS, CONTACT A D
EWALT SERVICE CENTER OR CALL 1-(800)-4-DEWALT.
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
DEWALT 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
DEWALT 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
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DeWalt DW66C-1 Specifications

General

Brand	DeWalt
Model	DW66C-1
Category	Nail Gun
Language	English