DeWalt DCN890 Guide D'utilisation page 20

English
SYMPTOM
Tool operates but does not drive
fasteners fully
Tool operates, but no fastener
is driven
Jammed nail
Driver blade does not slide
backward and forward smoothly
through its firing path
18
CAUSE
Power setting in wrong position.
Tool not firmly applied to workpiece
Material and fastener length
Use of incorrect power setting
Damaged or worn driver tip
Damaged actuation mechanism
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
Set power to appropriate setting.
Apply adequate force to tool securing it tightly to workpiece
See instruction manual.
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 of an application.
If trying to drive longer pins in soft woods, or driving pins
into harder materials using power setting 1 - adjust power
setting to 2.
Replace driver with kit.
See authorized service center.
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.