Troubleshooting - MasterCraft 058-8434-4 Instruction Manual

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Troubleshooting

The following chart lists common issues and solutions. Please read it carefully and follow all
instructions closely.
PROBLEM
Air leakage at the
top of the tool or in
the trigger area.
Air leakage at the
bottom of the tool.
Air leakage between
the bottom and the
cylinder cap.
The nails are being
driven too deep.
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.
• Disconnect the tool from the air supply before making any adjustments.
• Repairs must be performed by a qualified service technician only.
POSSIBLE CAUSES
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.The screws are loose.
2.The O-rings or the bumper are
worn or damaged.
1. The screws are loose.
2. The O-rings or the seals are worn
or damaged.
1. The bumper is worn.
2. The air pressure is too high.
AIR-POWERED CLIPPED-HEAD FRAMING NAILER 058-8434-4
SOLUTIONS
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.
1.Tighten the screws.
2. Inspect and replace the O-rings or the
bumper.
Have the tool serviced by a qualified service
technician.
1. Tighten the screws.
2. Inspect and replace the O-rings or the seals.
Have the tool serviced by a qualified service
technician.
1. Replace the bumper.
2. Adjust the air pressure.