| Symptom | Problem | Solutions |
| Air nailer's leak near top of tool or in trigger area | 1.O-ring in trigger valve are damage 2. Air nailer's trigger valve head are damage 3.Air nailer's trigger valve stem, seal or O-ring are damaged | 1.Check and replace O-ring 2.Check and replace 3.Check and replace trigger valve stem, seal or O-ring |
| Air Nailer's leak near bottom of tool | 1.Loose screws 2.Worn or damaged O-ring or bumper | 1.Tighten screws 2.Check and replace O-ring bumper |
| Air leak between body and cylinder cap | 1.Loose screws 2.Worn or damaged O-ring or bumper | 1.Replace bumper 2.Adjust the air pressure |
| Blade driving fastener too deep | 1.Worn bumper 2.Air nailer pressure is too high | 1.Verify adequate air supply 2.Place 2 or 6 drops of oil into inlet 3.Check and replace O-ring or seal 4.Replace damaged air nailer internl parts |
| Air nailer does not operate well: can not drive fastener or operate slugishly | 1.Inadequate air supply 2.Inadequate lubrication 3.Worn or damaged air nailer's O-ring or seals 4.Exhaust port in cylinder head is blocked | 1.Verify adequate air supply 2.Place 2 or 6 drops of oil into air nailer's inlet 3.Check and replace O-ring or seal 4.Replace damaged internl parts |
| Tool skips fasteners | 1.Worn bumper or damaged spring 2.Dirt in front plate of the air nailer 3.Dirt or damage prevent fasteners from moveing freely in spray gun's magazine 4.Worn or dry air nailer's O-ring on piston or lack of lubrication 5.Cylinder cover air nailer's seal leaking | 1.Repalce bumper or pusher spring 2.Clean drive channel on front plate 3.Air nailer's magazine needs to be cleaned 4.O-ring need to be replaced and lubricate 5.Replace sealing washer |
| Tool jams | 1.Incorrect or damaged fasteners 2.Damaged or worm driver guide 3.Air nailer's magazine or nose screw loose 4.Air nailer's magazine is dirty | 1.Change and use correct fastener 2.Check and replace the driver 3.Tighten the magazine 4.Clean the magazine |
