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TROUBLESHOOTING

WARNING: 

If any of the following symptoms appears during your operating, stop 

using the tool immediately, or serious personal injury could result. Only a qualified 

persons or an authorized service centre can perform repairs or replacement of 

tool.

SYMPTOM

PROBLEM

SOLUTIONS

Air leak near top of tool or 

in trigger area

1. O-ring in trigger valve are  

damage.

1. Check and replace O-ring.

2. Trigger valve head are dam-

age.

2. Check and replace.

3. Trigger valve stem ,seal or 

O-ring are damaged.

3. Check and replace trigger valve 

stem, seal or O-ring

Air leak near bottom of 

tool.

1. Loose screws.

1. Tighten screws.

2. Worn or damaged O-rings 

or bumper.

2. Check and replace O-rings or 

bumper.

Air leak between body and 

cylinder cap.

1. Loose screws.

1. Tighten screw.

2. Worn or damaged O-rings 

or seals.

2. Check and replace O-rings or 

bumper.

Blade driving fastener too 

deep.

1. Worn bumper.

1. Replace bumper.

2. Air pressure is too high.

2. Adjust the air pressure.

Tool does not operate well: 

can not drive fastener or 

operate sluggishly.

1. Inadequate air supply.

1. Verify adequate air supply.

2. Inadequate lubrication.

2. Place 2 or 6 drops of oil into air 

inlet.

3. Worn or damaged O-rings 

or seals.

3. Check and replace O-rings or 

seal.

4. Exhaust port in cylinder 

head is blocked.

4. Replace damaged internal parts.

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