English
For assistance with your product, visit our website at www.dewalt.com for a list of service centers, or call D
1‑800‑4‑D
WALT (1‑800‑433‑9258).
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PROBlEM
Fastener overdriving.
Tool does not fire.
Tool does not depress completely.
Power reduction or inconsistent
fastener penetration.
Load strip cannot be inserted into tool.
Load strip will not advance.
Load detatches from the load strip.
Load strip cannot be removed.
Load will not fire when tool is
fully depressed.
Tool cannot be opened or cycled
Piston stuck in the forward position.
Powder load strip melts
12
TROUBLESHOOTING
BE sURE TO FOllOW sAFETY RUlEs AnD insTRUCTiOns
POssiBlE CAUsE
Power level too high / Fastener too short.
Soft base material.
Tool not depressed completely.
Firing pin damaged.
Damaged firing pin parts, ejector, etc. Parts
assembled improperly.
Piston does not fully return due to soft
base material.
Worn or damaged piston or bumper.
Damaged or bent piston.
Improper loading.
Wrong caliber strip.
Worn advance lever guide.
Excessive fastening rate.
Build-up of combustion residue.
Temperatures may become too high due to
frequency of usage.
Load is already fired.
Load misfire.
Broken firing pin.
Broken or missing firing pin nut.
Lack of proper cleaning.
Damaged or bent piston.
Broken or damaged parts.
Piston has been overdriven and is jammed
in the barrel.
Temperatures may become too high due to
frequency of usage.
Tool compressed and held too long
before firing.
sOlUTiOn
Use a lower powder load level number or a longer fastener.
Check base material suitability section.
Fully compress the tool.
Contact an authorized D
WALT service center to have the tool
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checked and/or serviced.
Replace damaged part(s).
Check the parts for damage or improper assembly.
Re-assemble the piston and nose. Avoid soft material such as
wood, etc..
Replace piston or bumper.
Remove and replace piston.
Insert strip from the bottom of the tool handle.
Use only short .27 caliber safety load strips.
Replace advance lever guide. This should be performed by
qualified individuals.
Stop using the tool immediately and contact an authorized
D
WALT service center to have the tool checked and/or serviced.
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Remove the powder load strip and let the tool cool down.
Contact an authorized D
WALT service center to have the tool
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checked and/or serviced.
Let the tool cool down. If the problem persists, contact an
authorized D
WALT service center to have the tool checked and/
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or serviced.
Cycle tool.
Follow safety procedure.
Replace firing pin. This should be performed by
qualified individuals.
Replace firing pin nut. This firing pin nut should be performed by
qualified individuals.
Clean tool thoroughly.
Remove and replace piston.
Tag tool with warning "Defective - Do Not Use" place in locked
container and contact your D
WALT Authorized representative
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for service.
Tap the piston against a hard surface. Re-assemble and
adjust power/load to avoid overdriving fastener. Avoid soft
base material.
Slow down the frequency of usage.
Remove the powder load strip and let the tool cool down.
Compress the tool for less time before firing.
Remove the powder load strip and let the tool cool down.
WALT at
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