MasterCraft 058-8489-4 User Manual

TROUBLESHOOTING
23
AIR-POWERED 3-IN-1 NAILER 058-8489-4
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 near the
top of the tool or in
the trigger area.
1. The O-rings in the trigger valve
are damaged.
2. The trigger valve heads are
damaged.
3. The trigger valve stem, seal or
O-rings are damaged.
1. Inspect and replace O-rings.
2. Inspect and replace trigger valve heads.
3. Inspect and replace trigger valve stem, seal,
or O-ring.
Air leakage near the
bottom of the tool.
1. The screws are loose.
2. The bumper (24) or O-rings
are worn or damaged.
1. Tighten the screws.
2. Inspect and replace the O-rings or the
bumper.
Air leakage between
the bottom and the
cylinder cap.
1. The screws are loose.
2. The O-rings or the seals are worn
or damaged.
1. Tighten the screws.
2. Inspect and replace the O-rings or the seals.
Fasteners are being
driven too deep.
1. The bumper is worn.
2. The air pressure is too high.
3. The depth adjustment knob is not
adjusted properly.
1. Replace the bumper.
2. Adjust the air pressure.
3. Adjust depth setting by turning the knob
counter-clockwise.
See section “Fastener
depth adjustment” in this manual for more
detailed instructions.

MasterCraft 058-8489-4 Specifications

General

Brand	MasterCraft
Model	058-8489-4
Category	Nail Gun
Language	English