Problem Cause Solution
Air leaking at trigger area
1. O-ring in trigger valve stem is worn
and damaged.
2. O-ring in trigger valve head is worn
and damaged.
3. Foreign matter is preventing the
trigger from moving to OFF position.
1. Check/replace O-ring/lubricate.
2. Check/replace O-ring/lubricate.
3. Clean the tool/lubricate.
Failure to start tool.
1. Tool dry, lacks lubrication.
2. The spring in the cylinder cap is
damaged.
3. Valve sticks with cylinder cap.
4. No compressed air.
1. Use pneumatic tool oil.
2. Replace the spring in the cylinder
cap.
3. Disassemble/check/lubricate.
4. Check air supply.
Blade driving fasteners too deeply.
1. Safe bracket position is not correct.
2. Air pressure is too high.
1. Move the safety bracket down.
2. Decrease air pressure.
Fasteners are jammed. Fasteners are wrong size. Use recommended fasteners.
AFTER USE, TO PREVENT ACCIDENTS:
1. Release the trigger.
2. Detach the air supply.
3. Attempt to fire the tool into a piece of scrap wood to ensure that it is disconnected and is incapable
of firing any fasteners.
4. Release the trigger again.
5. Clean external surfaces with clean, dry cloth.
6. Store indoors and out of reach of children and unauthorized people.
CLEARING A JAMMED STAPLE
OPERATION
WARNING: Disconnect the air line from the stapler and remove staples from the magazine before
making adjustments or personal injury may result.
1. If a staple is jammed in the discharge area, remove it with pliers.
2. If a staple is jammed in the magazine, pull the magazine unit all the way back to the engaged
position. Use a screwdriver to release the jammed fastener by probing the openings in the magazine.
3. Pull out the jammed staple and the remainder of the staple strip that is still in the magazine.
Dispose of the remaining staple strip; it may be bent or damaged in some other way.
4. If you are unable to clear the staple jam using the method prescribed above, call WEN Customer
Service at 1-800-232-1195, M-F, 8-5 CST for assistance, or email techsupport@wenproducts.com.
TROUBLESHOOTING GUIDE
11
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