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Problem or Symptom
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Tool will not fully drive fastener.
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Tool does not advance fastener.
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Screws "kick-out" or miss-drive during use.
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Bit will not install.
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Bit slips off screw or screw is driven at an angle.
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Fastener jams.
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Slide mechanism "sticks" or returns slowly.
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Tool overheats.
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Pushing force becomes excessive.
TROUBLESHOOTING
Probable Cause
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Bit is worn.
Power capabilities of the tool have been
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exceeded.
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Tool is in reverse.
Incorrect bit installed.
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Depth of drive not set properly.
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Screw length is improperly set.
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Return spring is weak.
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Defective collation material.
Defective slide body.
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Screw strip is jammed in guide track.
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Screw length improperly set.
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Incorrect bit installed.
Defective or damaged feed system.
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Bit not properly inserted into drive shaft.
Clutch teeth not aligned.
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Not a Senco bit.
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Tool slid forward during drive.
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Tool is misaligned.
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Bit is worn or broken.
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Nosepiece is worn or damaged.
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Screw length improperly set.
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Defective collation material.
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Nosepiece damaged or bent.
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Screw partially driven into collation material then
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feed system released.
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Debris build-up in mechanism.
Weak return spring.
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Bit sticking in collation material.
Drive application requires too much torque.
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Slide body is worn.
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CAM screw is loose or damaged.
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Debris build-up in mechanism.
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Corrective Action
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Replace bit.
Discontinue use in that application.
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Switch tool to forward.
Ensure correct bit type and length are installed.
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See pg. 7 for proper adjustment.
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See pg. 6-7 for proper adjustment.
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Replace or return to authorized service center
for repair.
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Use Senco branded fasteners for optimum
performance.
Replace or return to Senco authorized service
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center for repair.
Ensure strip slides free in guide track.
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See pg. 6-7 for proper adjustment.
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Ensure correct bit type and length are installed.
Return to Senco or Authorized service center for
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repair.
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See pg. 6 for proper adjustment.
Pulse trigger while holding back release button.
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Use only the appropriate Senco bit.
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If wood nosepiece is used, replace sandpaper
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pad.
Hold tool firmly while driving.
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Return to Senco or Authorized service center for
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repair.
Replace bit.
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Replace or return to Senco authorized service
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center for repair.
See pg. 6-7 for proper adjustment.
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Use Senco branded fasteners for optimum
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performance.
Replace or return to Senco authorized service
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center.
Remove jammed screw with fingers or pliers and
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resume use.
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Clean mechanism.
Replace or return to Senco authorized service
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center for repair.
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Use Senco branded fasteners for optimum
performance.
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Always attempt to store screws in cool dry place
before use. Overheated collation can get soft and
cause a delay in feed system return.
Discontinue use in that application.
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Replace or return to Senco authorized service
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center for repair.
Tighten or replace CAM screw.
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Clean mechanism.
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