88
PROBLEM
CAUSE OF PROBLEM
SOLUTION
Air leaking at trigger area
1. O-ring in trigger valve is damaged.
2. Trigger valve head is damaged.
3. Trigger valve stem, seal or O-ring
is damaged.
1. Check and replace O-ring.
2. Check and replace trigger valve head.
3. Check and replace trigger valve stem,
seal or O-ring.
Air leaking between body and front plate
Damaged piston O-ring or bumper
Check and replace O-ring or bumper
Air leaking between body and cylinder cap
1. Screw loose.
2. Damaged seal.
1. Tighten screws.
2. Check and replace seal.
Blade driving fastener too deeply
1. Worn bumper.
2. Air pressure is too high.
1. Replace bumper.
2. Adjust the air pressure.
Runs slowly or has power loss
1. Insufficient oil.
2. Insufficient air supply.
3. Broken spring in cylinder cap.
4. Exhaust port in cylinder cap is blocked.
1. Lubricate as instructed.
2. Check air supply.
3. Replace spring.
4. Replace damaged internal parts.
Tool skips a fastener
1. Worn bumper or damaged spring (53).
2. Dirt in front plate.
3. Inadequate airflow to tool.
4. Worn or dry O-ring on piston.
5. Damaged O-ring on trigger valve.
6. Cylinder cap seal leaking.
1. Replace bumper or pusher spring.
2. Clean drive channel of front plate.
3. Check hose and compressor fittings.
4. Replace O-ring or lubricate.
5. Replace O-ring.
6. Replace seal.
Fasteners are jammed
1. Joint guider is worn.
2. Fasteners are wrong size or damaged.
3. Magazine or front plate screws are loose.
4. Blade in piston assembly is damaged.
1. Replace joint guider.
2. Use the recommended and undamaged
fasteners.
3. Tighten screws.
4. Replace piston assembly.
Tool will not drive down tight
1. Worn blade in piston assembly.
2. Lack of power.
3. Slow cycling and loss of power.
1. Replace piston assembly.
2. Adjust to adequate air pressure.
3. Check cylinder cap spring for broken
coils or reduced length. Check if exhaust
port of cylinder cap is restricted.
Trouble Shooting
Stop using the tool immediately if any of the following problems occur. Serious personal injury could occur. Any repairs or replacements must be
completed by a qualified person or an authorised service centre only.
Air tool operator manual_FCN55V.indd 8
Air tool operator manual_FCN55V.indd 8
20/10/2020 15:36
20/10/2020 15:36
