Dewalt DW325C Instruction Manual - Page 15

English TROUBLESHOOTING GUIDE MANY COMMON PROBLEMS CAN BE SOLVED EASILY BY UTILIZING THE CHART BELOW. FOR MORE SERIOUS OR PERSISTENT PROBLEMS, CONTACT A DeWALT 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 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 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 Disassemble to correct bumper Head valve dry Disassemble/lubricate Air pressure too low Check air supply equipment Skipping fasteners; intermittent Worn bumper Replace bumper feed Tar/dirt in driver channel Disassemble and clean nose and driver Air restriction/inadequate air flow through quick Replace quick disconnect fittings disconnect socket and plug Worn piston O-ring Replace O-ring, check driver Tool dry, lacks lubrication Use DeWALT 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 13