MasterCraft 058-8122-6 User manual

INSTRUCTION MANUAL
AIR-POWERED
PIN NAILER
058-8122-6

TABLE OF CONTENTS
2
AIR-POWERED PIN NAILER 058-8122-6
QUICK START GUIDE
TECHNICAL SPECIFICATIONS 3
SAFETY GUIDELINES 4–9
KEY PARTS DIAGRAM 10
IMPORTANT INFORMATION 11–13
TYPES OF FASTENERS 14
OPERATING INSTRUCTIONS 15–19
MAINTENANCE 20–21
TROUBLESHOOTING 22–24
EXPLODED VIEW 25
PARTS LIST 26–27
WARRANTY 28–29

SAFETY GUIDELINES
4
AIR-POWERED PIN NAILER 058-8122-6
Safety guidelines
This manual contains information that relates to PROTECTING PERSONAL SAFETY and PREVENTING
EQUIPMENT PROBLEMS. It is very important to read this manual carefully and understand it
thoroughly before using the product. The symbols listed below are used to indicate this information.
Note- The word “Note” is used to inform the
reader of something he/she needs to know about
the tool.
PERSONAL SAFETY
These precautions are intended for the personal safety of the user and others working with the user.
Please take time to read and understand them.
DANGER!
Potential hazard that will result in serious
injury or loss of life.
WARNING!
Potential hazard that could result in
serious injury or loss of life.
CAUTION!
Potential hazard that may result in
moderate injury or damage to equipment.

SAFETY GUIDELINES
5
AIR-POWERED PIN NAILER 058-8122-6
SAFETY GUIDELINES
DANGER!
Potential hazard that will result in serious injury or loss of life.
•Keep children away from the work area. Do not allow children to handle
power tools.
•Do not use this tool in the presence of flammable liquids or gases. Sparks
that are created during use may ignite gases.
•Do not point the tool towards yourself or other people, even when the tool
has stopped. Keep hands, feet, and all other parts of the body clear from
work area.
•Do not attempt to clear nailer jams while the air hose is connected.
•Do not keep the trigger or the safety stand pressed while loading nails.
Unintentional firing of a nail could cause serious personal injury or death.
•Do not disconnect or reconnect the air hose with the trigger pressed. The
Air-powered Pin Nailer may fire when it is reconnected to the air supply.
•Do not use oxygen or any other combustible or bottled
gas to power air-powered tools. Failure to observe this
warning can cause explosion and serious personal injury
or death. Use only the compressed air to power air-
powered tools. Use a minimum of 25'(7.6 m) of hose to
connect the tool to the compressor. Failure to comply will
result in serious injury or loss of life.
•Risk of inhalation: Never directly inhale the air produced by the compressor.
Oxygen
Hydrogen
Explosive
Combustible
MC-OM-02

SAFETY GUIDELINES
6
AIR-POWERED PIN NAILER 058-8122-6
•Risk of electric shock: Do not expose a compressor to rain. Store it indoors.
Disconnect the compressor from the power source before servicing.
Compressor must be grounded. Do not use grounding adaptors.
•Risk of personal injury: Do not direct compressed air from the air hose
towards the user or other personnel.
•Risk of burns: The pump and the manifold generate high temperatures. In
order to avoid burns or other injuries, do not touch the pump, the manifold,
or the transfer tube while the compressor is running. Allow the parts to cool
down before handling or servicing. Keep children away from the compressor
at all times.
•Risk of bursting: Do not adjust the pressure switch or safety valve for any
reason. They have been preset at the factory for this compressor’s maximum
pressure. Tampering with the pressure switch or the safety valve may cause
personal injury or property damage.
•Risk of bursting: Make sure the regulator is adjusted so
that the compressor outlet pressure is set lower than the
maximum operating pressure of the tool. Before starting
the compressor, pull the ring on the safety valve to make
sure the valve moves freely. Drain water from tank after
each use. Do not weld or repair tank. Relieve all pressure
in the hose before removing or attaching accessories. MC-OM-22

SAFETY GUIDELINES
7
AIR-POWERED PIN NAILER 058-8122-6
WARNING!
Potential hazard that could result in serious injury or loss of life.
•Do not allow inexperienced or untrained individuals to operate an Air-
powered Pin Nailer or any other air-powered tool.
•Keep hands and other parts of the body away from the firing head during
use. Keep hands, feet, and all other parts of the body at least 8" (20 cm)
away from the firing head. Nails or objects in the workpiece can cause
serious injury if they are deflected by the workpiece or if they are driven
away from the point of entry.
•Do not overload the tool. Allow the tool to operate at its optimum speed for
maximum efficiency.
•Locate the compressor in a well-ventilated area for cooling, at a minimum of
12"(31 cm) away from the nearest wall.
•Protect the air hose and the power cord from damage and puncture. Inspect
them for weak or worn spots every week, and replace them if necessary.
•Always wear hearing protection when using the air compressor. Failure to do
so may result in hearing loss.
•Do not carry the compressor while it is running.
•Do not operate the compressor if it is not in a stable position.
•Do not operate the compressor on a rooftop or in an elevated position that
could allow the unit to fall or be tipped over.
•Always replace a damaged gauge before operating the unit again.

SAFETY GUIDELINES
8
AIR-POWERED PIN NAILER 058-8122-6
CAUTION!
Potential hazard that may result in moderate injury or damage to
equipment.
•Carry the tool by the handle only, keeping the fingers away from the trigger.
Do not carry the tool by the hose, magazine, or any other parts.
•Do not wear watches, rings, bracelets, or loose clothing when using any air
tool.
•Keep proper footing at all times in order to ensure correct balance.
• Do not use a tool that is leaking air, with missing or damaged parts, or that
requires repairs. Verify that all screws are securely tightened.
• For optimal safety and tool performance, inspect the tool daily in order to
ensure free movement of the trigger, safety mechanisms, and springs.
•Keep the work area clean. A cluttered or dirty workbench may lead to an
accident. Floors should be kept clear.
•This tool is not a toy. Use it with caution.
•Tripping hazard: The air hose may become a tripping hazard when it is
placed in the work area. Use care when walking in the work area.
•Handling and storage of oil: Use with adequate ventilation. Avoid contact of
oil with eyes, skin, and clothing. Avoid breathing spray or mist. Store in a
tightly closed container in a cool, dry, well-ventilated area free from
incompatible substances.

SAFETY GUIDELINES
9
AIR-POWERED PIN NAILER 058-8122-6
Note: Recycle unwanted materials rather than disposing of them as waste. Sort the tools, hoses, and
packaging in specific categories and take to the local recycling centre or dispose of them in an
environmentally safe way.
CAUTION!
Potential hazard that may result in moderate injury or damage to
equipment.
•Disconnect the tool from the air supply and turn off the
compressor before performing any maintenance, loading or
changing nails, when the tool is not in use, when it is being
handed to another person, and when it is left
unattended. Failure to comply may result in moderate injury
or damage to equipment.
•Use safety goggles and ear protection:
Wear safety glasses with side shields when operating the
tool and verify that others in the work area are also wearing
safety glasses. Safety glasses must conform to American
National Standards Institute (ANSI Z87.1) requirements and
must provide protection from flying particles from the front
and the sides.
Air-powered tools are loud and the sound can cause hearing
damage. Always wear ear protection to help prevent hearing
damage and loss. Failure to comply may result in moderate
injury.
MC-OM-21
MC-OM-01

KEY PARTS DIAGRAM
10
AIR-POWERED PIN NAILER 058-8122-6
No. Description No. Description
1 Air inlet plug 4 Magazine
2 Rubber grip 5 Adjustment lever
3 Trigger 6 Exhaust deflector
4
5
1
2
3
6
MC-588122-01

IMPORTANT INFORMATION
11
AIR-POWERED PIN NAILER 058-8122-6
Compatible compressors
GUIDELINES FOR PROPER USE AND OPERATION
Be sure to use a proper air compressor with Mastercraft® air-powered tools. The compressor should
be able to supply a minimal air delivery of 2.0 SCFM @ 90 PSI to ensure the compressor can run
continuously with the Mastercraft Air-powered Pin Nailer.
General use
This Mastercraft®Air-powered Pin Nailer drives 23 gauge pin nails of 1/2 to 1 1/2" in length. The
tool has a die cast aluminum body that is strong and lighter in weight, and a comfort grip rubber
handle for improved control and comfort even during extended use. An adjustment lever
automatically adjusts pin length. It is best suited for installing door and window trim, decorative trim,
small cabinet work, and finish paneling.
Air compressor
size and power 1/3–1 1/3 HP 1 1/2–2 HP 2+ HP
2–6 Gallons Light-duty and
intermittent use
Light-duty and
intermittent use
Light-duty and
intermittent use
8–11 Gallons Light-duty and
intermittent use
Medium-duty and
intermittent use
Medium-duty and
intermittent use
15+ Gallons Medium-duty and
intermittent use
Medium-duty and
intermittent use
Heavy-duty and
continuous use
Wood density Nail size Compressor air pressure
>0.6g/cm3
<1/16" (15mm) 80 PSI
≥1/16" (15mm) 100 PSI
≤0.6g/cm3
<1/16" (15mm) 70 PSI
≥1/16" (15mm) 80 PSI

IMPORTANT INFORMATION
12
AIR-POWERED PIN NAILER 058-8122-6
Air system
• Always use clean, dry, regulated, compressed air at 4 to 7 bar (60 to 100 PSI).
• Do not exceed the maximum or minimum pressures. Operating the tool at the wrong pressure
(too low or too high) will cause excessive noise or rapid wear.
WARNING!
Potential hazard that could result in serious injury or loss of life.
• Keep hands and other parts of the body away from the tool’s discharge and
working areas when connecting the air supply. Failure to comply could lead to
serious injury or loss of life.
No. Description No. Description
1 Mastercraft®Air-powered Pin Nailer 6 Regulator (0 to 8.5 bar)
2 Quick connector 7 Filter
3 Quick coupler 8 Cut-off valve
4Airhose 9Aircompressor
5 Lubricator
257
133
6
8
9
4
MC-588122-02

IMPORTANT INFORMATION
13
AIR-POWERED PIN NAILER 058-8122-6
• It is recommended that a filter-regulator-lubricator be used and be located as close to the tool
as possible.
• If a filter-regulator-lubricator is not installed, place up to 6 drops of compressor oil into the air
inlet plug before each use.
• If a filter-regulator-lubricator is installed, keep the air filter clean. A dirty filter will reduce the
air pressure to the tool, which will cause a reduction in power, efficiency, and general
performance.
• For optimal performance, install a quick connector to the tool and a quick coupler on the
hose, if applicable.
• Verify that all of the connections in the air supply system are sealed in order to prevent air
leakage.
Read this Instruction Manual carefully before using the Air-powered Pin Nailer.
• Read and follow all the safety instructions at the beginning of this manual. Inspect the
Air-powered Pin Nailer prior to each use in order to:
– ensure that the proper power source is being used.
– verify that the tool is in proper working order.
WARNING!
Potential hazard that could result in serious injury or loss of life.
• Do not use the tool if it is not in proper working order.
• Do not use oxygen or any other combustible or bottled gas to power this tool.
• Do not use this tool in the presence of any flammable liquids or gases.
• Keep hands and other parts of the body away from the firing head during use.
• Do not point the tool towards the operator or other people.
• Do not attempt to clear a jammed nail when the air hose is connected.
•Do not drive a nail on top of an existing nail. Failure to comply could lead to
serious injury or loss of life.

TYPES OF FASTENERS
14
AIR-POWERED PIN NAILER 058-8122-6
This Mastercraft® Air-powered Pin Nailer drives 1/2 to 1" (13 to 25 mm) long nails.
ACCEPTABLE NAILS
NAIL TYPE ICON
These Icons are used to select the proper nails for this specific nailer.
Note: Icons are colour coded, please refer the actual tool for the specific colour.
Length: 1/2 -1"
(13 to 25 mm)
WARNING!
Potential hazard that could result in serious injury or loss of life.
• The use of any other types of nails will cause the nailer to jam and could lead to
serious injury or loss of life.
MC-588122-07
1”
1/2”

OPERATING INSTRUCTIONS
15
AIR-POWERED PIN NAILER 058-8122-6
Loading nails
1. Disconnect the tool (1) from the air
supply (2)
(fig A) .
2. Adjust the adjustment lever (1) as per
the size of nail to be inserted
(fig B) .
DANGER!
Potential hazard that will result in serious injury or loss of life.
• Disconnect the tool from the compressed air source before loading nails.
• Do not point the tool towards the operator or other people while changing
nails.
• Do not hold the tool with the trigger pressed while changing nails. Failure
to comply will lead to serious injury or loss of life.
MC-588122-03
1
2
fig A
12
1/2” 5/8” 3/4” 7/8” 8”
15 18 22 25
MC-588122-04
fig B 1

OPERATING INSTRUCTIONS
16
AIR-POWERED PIN NAILER 058-8122-6
3. Take hold of the nailer firmly with one
hand and use the other hand to press
the magazine latch (1) and slide it back.
Insert a strip of nails into the magazine.
Ensure the points of the nails are facing
down
(fig C) . (see nail type
icon on page 14)
4. Slide the pusher (1) against the nails to
close the magazine until it comes into
contact with the nails and locks into
place
(fig D) .
5. Plug in compressor, turn it on, set the
pressure regulator to 90 psi, attach one
end of the air hose to the compressor
and the other end of the air hose (1) to
the tool (2)
(fig E) . page 11
(wood density chart)
6. Use plumber’s tape to avoid air leak.
Verify that the air pressure is in the
correct range
(see section “Technical
specifications”)
. The tool is now ready
for use.
MC-588122-05
1
fig C
MC-588122-06
1
fig D
MC-588122-07
fig E 2
1

OPERATING INSTRUCTIONS
17
AIR-POWERED PIN NAILER 058-8122-6
Firing modes
The Mastercraft®Air-powered Pin Nailer is
equipped with a single sequential actuation
mode.
1. Press the safety stand (1) against the
workpiece (2)
(fig F) .
2. Pull the trigger (1) to drive the nail with
the safety stand (2) firmly pressed
against the workpiece
(fig G) .
3. If the safety stand remains pressed,
successive nails will fire each time the
trigger is pulled.
WARNING!
Potential hazard that could result in serious injury or loss of life.
• The safety tip must be in contact with the workpiece before activating the
tool.
• Do not operate the tool if the nails are not loaded, as doing so may damage
the tool.
• Do not fire nails into the air, as doing so may cause injury to the operators
or others, apart from damaging the tool.
• Load the correct type of nails only. Failure to comply could lead to serious
injury or loss of life.
MC-588122-08
2
1
fig F
MC-588122-09
1
fig G
2

OPERATING INSTRUCTIONS
19
AIR-POWERED PIN NAILER 058-8122-6
• Operate the magazine latch and slide the pusher back to open the magazine for checking the
jammed nails.
• Use pliers or any appropriate tool to remove the jammed nails.
• Close the magazine cover and slide the pusher to its original position.
• Reload the nails into the tool magazine.
• Reconnect the air supply line to the tool’s air inlet.
• Test fire 3 to 5 nails into a piece of scrap wood in order to ensure a proper operation.
Note: If the nails continue to jam, call 1-800-689-9928.
WARNING!
Potential hazard that could result in serious injury or loss of life.
• Disconnect the tool from the air supply line before clearing a jammed nail.
Failure to comply could cause them to be fired out of the tool causing serious
injury.
• Do not point the tool towards the operator or other people. Serious personal
injury could result if these instructions are not followed.

MAINTENANCE
20
AIR-POWERED PIN NAILER 058-8122-6
Maintenance
DANGER!
Potential hazard that will result in serious injury or loss of life.
• Disconnect the tool from the air compressor before performing maintenance/
service, adjusting, clearing jams, reloading, and when it is not in use.
• Repairs must be performed by a qualified service technician only. Failure to
comply will lead to serious injury or loss of life.
MAINTENANCE
REQUIRED DESCRIPTION
TOOLS OR
MATERIALS
REQUIRED
MAXIMUM SERVICE INTERVAL
Each Use or
every 2 Hrs Monthly As Needed
General inspection -
free movement
Trigger, spring,
safety mechanism None X
In-depth inspection Worn or broken
parts X X
Replace worn or
broken parts X
Lubrication See below Pneumatic tool
oil X
•Lubrication: If the Air-powered Pin Nailer and the
compressor are not equipped with an in-line
lubrication system, place up to 6 drops of
pneumatic tool oil into the air inlet before each
work day or after every 2 hours of continuous use,
depending on the characteristics of the workpiece
and type of nails used.
MC-588122-13