DeWalt DCN891 Guide D'utilisation page 19

SYMPTOM
Tool operates, but no fastener
is driven
Jammed nail
Driver blade does not slide
backward and forward smoothly
through its firing path
CAUSE
No pins in magazine.
Wrong size or angle pins.
Debris in nosepiece.
Debris in magazine.
Damaged pusher spring.
Worn magazine.
Damaged or worn driver.
Wrong size or angle pins.
Magazine not secured after previous jam
clear/inspection.
Material and fastener length.
Debris in nosepiece.
Worn magazine.
Damaged pusher spring.
Dry fire lock out is engaged with only 2–4 pins
remaining in magazine and the user is applying
excessive force to contact trip, overriding
the lockout.
Tool is not yet run-in.
Use of incorrect power setting.
Damaged or worn driver.
Driver blade is bent.
FIX
Load pins in magazine.
Use only the recommended pins. Refer to Pin Specifications.
Clean nose area and watch closely for small pieces of broken
pins stuck in the track.
Clean magazine
Replace spring. See authorized service center.
Replace magazine. See authorized service center.
Replace driver with kit.
Use only the recommended pins. Refer to Pin
Specifications.
Make sure to magazine is latched properly.
If the unit continues to stall (forcing the need to rotate the
Stall release lever) choose the appropriate material and
fastener length that is not too rigorous an application.
Clean nose area and watch closely for small pieces of broken
pins stuck in the track.
Replace magazine. See authorized service center.
Replace springs. See authorized service center.
Load more pins in magazine to disengage dryfire lockout.
New tools can take 100–500 pins for parts to mesh and
wear in together. Drive shorter pins during this period if
experiencing difficulty fully driving pins.
If trying to drive longer pins in soft materials, or driving pins
into harder materials using power setting 1 - adjust power
setting to 2 or 3.
Replace driver with kit.
Replace driver with kit.
English
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