Troubleshooting - Senco FN81T1 Operating Instructions Manual

This tool is equipped with a lockout feature:
When approximately five nails remain in the magazine, the workpiece contact (safety element) will be locked in the
undepressed position until more nails are loaded into the magazine.

Troubleshooting

Problem/symptom
Air leak near top of tool /
①
Sluggish operation
Air leak near bottom of tool /
②
Poor return
Tool skipping
Nail set above work surface
Other problems
The deflector can be rotated to 3 positions to change the direction of the exhaust air.
Disconnect air supply, loosen cap screw with a hex wrench, and then rotate deflector to
desired direction.
Prior to tool use, ensure deflector cap screw is tightened.
1
2
Potential cause
Firing valve seal
Piston stop/Piston seal
Low air pressure
Low air pressure
Application too rigorous
Rate of drive too fast
Incorrect depth of drive
FeaTures
12
corrective action
Verify air supply / Tighten screws
or install Parts Kit YK0893
Check for piston seal or sleeve
wear
If parts are worn or damaged,
parts are detailed in the parts chart
Clean tool / Tighten screws or
install Parts Kit YK0894
Check air supply
Consider using larger diameter air
fitting and hose
Increase air pressure (No greater
than 120 psi)
Consider alternate type of wood
Reduce drive rate
Adjust setting
Contact SENCO