Troubleshooting Guide - DeWalt DWFP71917 Instruction Manual

FREE WARNING LABEL REPLACEMENT: If your warning labels
become illegible or are missing, call 1-800-4-D
replacement.
FOR MORE SERIOUS OR PERSISTENT PROBLEMS, CONTACT A D
SYMPTOM
Trigger valve housing leaks air
Trigger valve stem leaks air
Frame/nose leaks air
Frame/cap leaks air
Failure to cycle
Failure to complete cycle
WALT (1-800-433-9258) for a free
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TROUBLESHOOTING GUIDE

MANY COMMON PROBLEMS CAN BE SOLVED EASILY BY UTILIZING THE CHART BELOW.
WARNING: To reduce the risk of serious personal injury, remove
fasteners from magazine before making any adjustments or servicing this tool.
CAUSE
O-ring cut or cracked
O-ring/seals cut or cracked
O-ring or gasket is cut or cracked
Bumper cracked/worn
Damaged gasket or seal
Cracked/worn head valve
Loose cap screws
Air supply restriction
Worn head valve
Broken cylinder cap spring
Head valve stuck in cap
Debris in nose, door, contact arm area
WALT SERVICE CENTER OR CALL 1-(800)-4-D
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FIX
Replace O-ring
Replace trigger valve assembly
Replace O-ring or gasket
Replace bumper
Replace gasket or seal
Replace head valve
Tighten and recheck
Check air supply equipment
Replace head valve
Replace cylinder cap spring
Disassemble / Check
Clean nose, door, contact arm area
12
WALT.
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