Harbor Freight Tools 54461 Nail Gun User Manual


 
Page 7
SKU 54461
Note: Have the following problems repaired by a qualified service technician.
1. Problem: Air leaking at trigger valve area.
Probable Cause: Damaged 0-rings in trigger valve housing.
Solution: Replace 0-rings. Then re-check contact safety trip mechanism.
2. Problem: Air leaking between housing and nose.
Probable Cause: Loose screws in housing, damaged 0-rings or bumper.
Solution: Tighten screws or replace 0-rings or bumper.
3. Problem: Air leaking between housing and cap.
Probable Cause: Loose screws or damaged gasket.
Solution: Tighten Screws or replace gasket.
4. Problem: Runs slowly or has power loss.
Probable Cause: Nailer insufficiently oiled, broken spring in cylinder cap, exhaust part in cap
is blocked.
Solution: Lubricate moving parts (Magazine, Nose, and Trigger assemblies), install new
spring, Replace damaged internal parts.
5. Problem: Nailer skips driving nails.
Probable Cause: Worn or dirty bumper, damaged pusher spring, inadequate air flow, worn
or dry 0-ring on piston, damaged 0-ring on trigger valve, cap gasket leaking.
Solution: Replace bumper or pusher spring, clean bumper and drive channel, check fittings,
replace or lubricate 0-rings, replace gasket.
6. Problem: Nails are jammed in Nailer nose.
Probable Cause: Guide on driver is worn. Wrong size or damaged Brads, loose magazine
or nose screws, damaged driver.
Solution: Replace guide, use recommended, undamaged Brads, tighten screws, replace
driver.
7. Problem: Nail will not drive down tight.
Probable Cause: Insufficient air pressure, rounded driver blade causing slippage, power
loss, slow cycling and power loss.
Solution: Adjust air pressure, replace blade, check spring under cap for broken coils or
reduce length, check if cap in exhaust port is restricted.
8. Problem: Driving Brad too deeply.
Probable Cause: Worn bumper or piston spacer.
Solution: Replace either or both parts.
Warning! Disconnect the Nailer from the air compressor whenever loading or
servicing. After disconnecting the Nailer from the air compressor, there could still be
enough air pressure to fire the Nailer. Always fire the trigger repeatedly to make sure
all of the air is expended.
Warning! If you detect any air leaks, power loss, the Nailer skips driving, drives too deep, or
not deep enough, take the Nailer to a qualified service technician for repair.
Troubleshooting
54461.p65 10/10/03, 2:29 PM7