MasterCraft AIR-POWERED 2-IN-1 NAILER User manual

INSTRUCTION MANUAL
AIR-POWERED
2-IN-1 NAILER
058-8548-4

TABLE OF CONTENTS
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QUICK START GUIDE
TECHNICAL SPECIFICATIONS 3
SAFETY GUIDELINES 4–9
KEY PARTS DIAGRAM 10
IMPORTANT INFORMATION 11–14
TYPES OF FASTENERS 15–16
OPERATING INSTRUCTIONS 17–22
MAINTENANCE 23–24
TROUBLESHOOTING 25–27
EXPLODED VIEW 28
PARTS LIST 29–30
WARRANTY 31–32

SAFETY GUIDELINES
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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
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SAFETY GUIDELINES
Note: Carefully read and understand all the instructions in this manual before using the tool. Ensure
that the operator has read and understood these instructions.
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.
•Keep air hose away from heat, oil, and sharp edges. Check air hose for
wear before each use and ensure that all connections are proper.
•Always ensure that the workpiece is firmly secured leaving both hands free
to control the tool.
•Always ensure that the tool has stopped before putting it down after use, in
the interest of safety and to prevent possible damage to the tool/user.
•Keep proper footing at all times in order to ensure correct balance.
•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 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.
Oxygen
Hydrogen
Explosive
Combustible
MC-OM-02

SAFETY GUIDELINES
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•Risk of inhallation: Never directly inhale the air produced by the compressor.
•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 will cause
personal injury or property damage.
•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: 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
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WARNING!
Potential hazard that could result in serious injury or loss of life.
•Do not allow unskilled or untrained individuals to operate the Air-powered 2-
in-1 Nailer.
•Donotuse the Air-powered 2-in-1 Nailer for any task other than that it is
designed to perform.
• Do not use the Air-powered 2-in-1 Nailer unless it is been instructed. Only a
qualified person should use the tool.
•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
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CAUTION!
Potential hazard that may result in moderate injury or damage to
equipment.
•Always ensure that the tool has stopped before connecting to the air supply.
•Do not wear watches, rings, bracelets, or loose clothing when using any air
tool.
•Do not overload the tool. Allow the tool to operate at its optimum speed for
maximum efficiency.
• 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.
•Always keep your air tool clean and lubricated. Daily lubrication is essential
to avoid internal corrosion and possible failures.
• Ensure that the floor is not slippery and wear non-slip shoes. Floors should
be kept clean and clear.
• Always follow all workshop safety rules, regulations, and conditions when
using the Air-powered 2-in-1 Nailer.
•Carry the tool by the handle only, keeping the finger away from the trigger.
Do not carry the tool by the hose, magazine or any other parts.
•Do not use the tool near or below freezing temperatures, as doing so may
cause the tool failure.
•Do not store the tool in a freezing environment to prevent ice formation on
the operating valves of the tool, as doing so may cause tool failure.
•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
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Note: Recycle unwanted materials rather than disposing of them as waste. Sort tools, hoses, and
packaging into 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 tool from the air supply and turn off the
compressor before performing any maintenance, or changing
accessories, 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/compressor 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 prevent hearing
damage and loss. Failure to comply may result in moderate
injury.
MC-588548-23MC-588548-23MC-588548-23
MC-OM-01

KEY PARTS DIAGRAM
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No. Description No. Description
1 Air deflector 5 Safety stand
2 Air inlet plug 6 Release handle
3 Latch 7 Trigger
4 Magazine 8 Depth adjustment dial
MC-588548-01
1
4
3
2
6
5
8
7

IMPORTANT INFORMATION
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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 2.65 SCFM @ 90 PSI to ensure the compressor can run
continuously with the Mastercraft Air-powered 2-in-1 Nailer.
General use
This Mastercraft®Air-powered 2-in-1 Nailer drives18 gauge brad nails having a length of 15 to 50
mm (5/8 to 2") and18 gauge staples having a length of 5/8 to 1 5/8". The 2-in-1 magazine accepts
staples and brad nails without adjustment. The tool has a die cast aluminum body that is strong and
light in weight, and a rubber-made handle sleeve for providing improved control and comfort, even
during extended use. The tool has a 360º air deflector and a safety stand for improved operator
safety. The tool is best suited for installing door and window trim, decorative trim, small cabinet
work, and finish paneling by using brad nails and staples for attaching house wrap, vapor barriers,
and similar materials in respective mode.
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
Heavy-duty and
continuous use
Heavy-duty and
continuous use
15+ Gallons Medium-duty and
intermittent use
Heavy-duty and
continuous use
Heavy-duty and
continuous use

IMPORTANT INFORMATION
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Air system
Wood density Nail size Compressor air pressure
>0.6 g/cm3
<1 1/2" (32 mm) brad nails 90 PSI
≥1 1/2" (32 mm) brad nails 110 PSI
<1" (25 mm) staples 90 PSI
≥1" (25 mm) staples 110 PSI
≤0.6 g/cm3
<1 1/2" (32 mm) brad nails 70 PSI
≥1 1/2" (32 mm) brad nails 90 PSI
<1" (25 mm) staples 70 PSI
≥1" (25 mm) staples 100 PSI
No. Description No. Description
1 Mastercraft®Air-powered 2-in-1 Nailer 6 Regulator (0 to 8.5 bar)
2 Quick connector 7 Filter
3 Quick coupler 8 Cut-off valve
4Airhose 9Aircompressor
5 Lubricator
MC-588548-02
257
133
6
8
9
4

IMPORTANT INFORMATION
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• 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 inappropriate
pressure (too low or too high) will cause excessive noise or rapid wear.
Read this Instruction Manual carefully before using the Air-powered 2-in-1 Nailer
• Read and follow all the safety instructions at the beginning of this manual. Inspect the
Air-powered 2-in-1 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.
• 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 pneumatic tool 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 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
from leaking.
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.

IMPORTANT INFORMATION
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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 fastener when the air hose is connected.
•Do not drive a fastener on top of an existing fastener. Failure to comply could
lead to serious injury or loss of life.

TYPES OF FASTENERS
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This Mastercraft® Air-Powered 2-in-1 Nailer drives18 gauge brad nails having a length of 5/8 to 2"
(15 to 50 mm) and18 gauge staples having a length of 5/8 to 1 5/8" (16 to 40 mm).
ACCEPTABLE FASTENERS
This nailer can be used with a variety of shank types (e.g., ring, smooth, spiral) and a variety of
coatings or nail compositions (e.g., Electro, mechanical, hot-dipped galvanized or stainless steel,
etc.).
Staples (18 gauge) Brad Nails (18 gauge)
Length: 5/8 to 1 5/8" (16 to 40 mm). Length: 5/8 to 2" (15 to 50 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.
1/5"
1/5"
1 5/8"
5/8"
MC-588
1
2"
5/8"
MC-588
1

TYPES OF FASTENERS
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NAIL TYPE ICONS
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.

OPERATING INSTRUCTIONS
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Loading Fasteners
1. Disconnect the tool (1) from the air
supply (2)
(fig A) .
2. Hold the Air-powered Nailer firmly with
one hand, and use the other hand to
press the latch (1) on the magazine (2)
and slide it back
(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
fasteners.
• Do not point the tool towards the operator or other people while changing
fasteners.
• Do not hold the tool with the trigger pressed while changing the fasteners.
Failure to comply will lead to serious injury or loss of life.
MC-588548-03
fig A
2
1
MC-588548-04
fig B
1
2

OPERATING INSTRUCTIONS
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3. Insert a strip of fasteners into the
magazine. Be sure that the points of the
fasteners are facing down. Close the
magazine (1)
(fig C) .
(see nail type icon on page 16)
4. Plug in compressor, turn it on, and 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). Use plumber’s
tape to avoid air leak
(see section
“Technical specifications”)
(fig D) .
page 12 (wood density chart)
5. Test the driving depth of the fasteners
on sample piece of wood by pressing
the trigger (1) before working on the
workpiece. If the fasteners are being
driven too deep or not deep enough,
adjust the regulator in the air supply in
order to provide more or less air
pressure, as required
(fig E) .
MC-588548-05
fig C
1
MC-588548-06
fig D
1
2
MC-588548-07
fig E
1

OPERATING INSTRUCTIONS
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WARNING!
Potential hazard that could result in serious injury or loss of life.
• The safety stand must be in contact with the workpiece before activating the
tool.
• Do not operate the tool if the fasteners are not loaded, as doing so may
damage the tool.
• Do not fire fasteners into the air, as doing so may cause injury to the
operators or others, apart from damaging the tool.
• Do not load different sized fasteners into the magazine, as doing so may
cause fasteners to jam. Failure to comply could lead to serious injury or loss
of life.
Loading brad nails Loading staples
• Insert brad nails into the channel along
the left side of the magazine
(fig F) .
• Insert the staples from the top area of
magazine with one ‘arm’ of the staple in
the centre slot of the magazine and the
other arm of the staple along the left side
of the magazine
(fig G) .
MC-588548-08
fig F
MC-588548-09
fig G

OPERATING INSTRUCTIONS
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Firing modes
The Mastercraft®Air-powered 2-in-1 Nailer is equipped with a single sequential actuation mode
which follows the sequence for firing the fastener:
• Press the safety stand against the workpiece.
• Pull the trigger in order to drive the fastener.
•Ifsafety stand remains pressed against the workpiece, successive fasteners will fire each time
the trigger is pulled.
Fasteners depth adjustment
The Mastercraft®Air-powered 2-in-1 Nailer
has a depth adjustment dial below the trigger
to adjust the firing depth of the fasteners.
Note: Refer to the graphic imprinted below
the trigger and adjust the firing depth
accordingly
(fig H) .
CAUTION!
Potential hazard that may result in moderate injury or damage to
equipment.
• Operate the tool with the utmost care when it is connected to the air
compressor. Failure to comply may result in moderate injury or damage to
equipment.
MC-588489-10
fig H