DeWalt DCN920 Instruction Manual page 18

English
sYMPTOM CAUsE
Jammed nail Wrong size or angle nails.
Magazine screws not secured after previous
jam clear/inspection.
Damaged or worn driver blade.
Material and fastener length.
Debris in nosepiece.
Worn magazine.
Damaged pusher spring.
Dry fire lock out is engaged with only 5–9
nails remaining in magazine and the user
is applying excessive force to contact trip,
overriding the lockout.
Tool is not yet run‑in.
16
FiX
Use only the recommended nails. Refer to Specifications.
Make sure to tighten magazine hex bolts with
wrench provided.
Replace driver blade. Contact a D
service center.
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 nails stuck in the track.
Replace magazine. Contact a D
service center.
Replace spring. Contact a D
service center.
Load more nails in magazine to disengage dryfire lockout.
New tools can take 500–1000 nails for parts to mesh and
wear in together. Drive shorter nails during this period if
experiencing difficulty driving nails flush.
WALT authorized
e
WALT authorized
e
WALT authorized
e