MasterCraft 058-8191-0, Instruction Manual

TROUBLESHOO

TING

21

AIR

-

POWERED COMPACT COIL ROOFING NAILER  058

-

819

1-

0

Troubleshooting

The following chart lists common issues and solutions. Please read it carefully and follow all 
instructions closely.

•

Disconnect the tool from the air supply before making any adjustments.

•

Repairs must be performed by a qualified service technician only.

DANGER!

Potential hazard that will result in serious injury or loss of life.

•

If any of the following symptoms appear while the tool is in use, turn it off and 
disconnect it from the air supply immediately. Failure to comply will lead to 
serious injury or loss of life.

PROBLEM

POSSIBLE CAUSES

SOLUTIONS

Air leakage at the 
top of the tool or in 
the trigger area.

1. O

-

rings in the trigger valve are   

 damaged.

2. The trigger valve heads are     

damaged.

3. Trigger valve stem, seal, or 

O

-

rings are damaged.

1. Inspect and replace the O

-

rings.

2. Inspect and replace trigger valve heads.

3. Inspect and replace the trigger valve stem, 

seal, or O

-

rings.

Have the tool serviced by a qualified service 

technician.

Air leakage at the 
bottom of the tool.

1. The screws are loose.

2. The O

-

rings or the bumper are   

worn or damaged.

1. Tighten the screws.

2. Inspect and replace the O

-

rings or the   

bumper.

Have the tool serviced by a qualified service 

technician.

Air leakage between 
the bottom and the 
cylinder cover.

1. The screws are loose.

2. The O

-

rings or seals are worn 

or damaged.

1. Tighten the screws.

2. Inspect and replace the O

-

rings or the seals.

Have the tool serviced by a qualified service 

technician.

The nails are being 
driven too deep.

1. The bumper is worn.

2. The air pressure is too high.

1. Replace the bumper.

2. Adjust the air pressure.