DeVillbiss Air Power Company 2by4 Contractor Series - Manual (Page 16)

PAGE 16
SOLUTION
Replace feed pawl. Contact an
*AWSC
Replace feed pawl spring.
Fasteners recommended for tool
must be used.
Replace with undamaged
fasteners.
Set platform to correct height.
Adjust air pressure to the correct
PSI for that particular model
nailer/stapler.
Repair trigger action. Purchase a
Trigger Repair Kit
Tighten screws.
Install head valve piston set.
Contact an *AWSC
Install head valve piston set.
Contact an *AWSC
Tighten screws.
Replace bumper or piston
assembly. Purchase a Bottom
Repair Kit
Check PSI and CFM.
Install head valve piston set.
Contact an *AWSC
Disassemble and clean cylinder.
Replace bumper. Purchase
Bottom Repair Kit
Replace piston assembly. On the
NBSNC2x4 contact an *AWSC
for correct part. All other nailers
purchase Bottom Repair Kit.
Check PSI and CFM.
Replace piston assembly. On the
NBSNC2x4 contact *AWSC for
correct part. All other nailers
purchase Bottom Repair Kit.
Tilting the tool to the left 10° will
eliminate the indention.
PROBLEM
Fasteners are jammed in
tool.
Nailer/Stapler misfires or
sinks two nails/staples at
the same time.
Air leak near top of tool.
Sluggish operation.
Air leak near bottom of
tool.
Tool does nothing.
Poor driver blade return.
Weak Drive.
NBSNC2X4 leaving a
1/4” indention.
CAUSE
Worn/damaged feed pawl.
Worn/damaged feed pawl spring.
Fasteners are not correct size.
Fasteners are bent.
Nail height setting incorrect.
Air pressure regulated too high.
Trigger action faulty.
Loose exhaust cover screws.
O-rings failed on head valve.
O-rings blown on head valve.
Loose driver guide screws.
Bumper or piston o-rings worn.
Air supply inadequate.
O-rings failed on head valve
piston set.
Dirty cylinder.
Worn Bumper.
O-rings worn in piston assembly.
Inadequate air supply.
Worn piston assembly.
Driver blade width is 1/4” making
it possible to use staples and
brad nails in the same tool
TROUBLESHOOTING GUIDE (cont'd)
*AWSC – Authorized Warranty Service Center: see back page for details