10
COIL ROOFING NAILER CN45RA
Troubleshooting
SYMPTOM
PROBLEM
SOLUTIONS
Air leak near top of tool or
in trigger area
1.O-ring in trigger valve are damage.
2.Trigger valve head are damage.
3.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 leak near bottom of tool.
1. Loose screws.
2. Worn or damaged O-rings or
bumper.
1.Tighten screws.
2.Check and replace O-rings or bumper.
Air leak between body and
cylinder cap.
1. Loose screws.
2. Worn or damaged O-rings or seals.
1.Tighten screw.
2.Check and replace O-rings or bumper.
Blade driving fastener too
deep.
1. Worn bumper.
2. Air pressure is too high.
1.Replace bumper.
2.Adjust the air pressure.
Tool does not operate well:
can not drive fastener or
operate sluggishly.
1. Inadequate air supply.
2. Inadequate lubrication.
3. Worn or damaged O-rings 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 inlet.
3.Check and replace O-rings or seal.
4.Replace damaged internal parts.
Tool skips fasteners.
1.Worn bumper or damaged spring.
2.Dirt in front plate.
3.Dirt or damage prevents fasteners
from moving freely in magazine.
4.Worn or dry O-ring on piston or lack
of lubrication.
5.Cylinder cover seal leaking.
1.Replace bumper or pusher spring.
2.Clean drive channel on front plate.
3.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 worn driver guide.
3.Magazine or nose screw loose.
4.Magazine is dirty.
1.Change and use correct fastener.
2.Check and replace the driver.
3.Tighten the magazine.
4.Clean the magazine.
