MasterCraft 058-8691-0 User manual

INSTRUCTION MANUAL
AIR-POWERED
BRAD NAILER
058-8691-0

TABLE OF CONTENTS
2
AIR-POWERED BRAD NAILER 058-8691-0
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 22–23
EXPLODED VIEW 24
PARTS LIST 25–26
WARRANTY 27–28

SAFETY GUIDELINES
4
AIR-POWERED BRAD NAILER 058-8691-0
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 BRAD NAILER 058-8691-0
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 away from
work area. Always assume that there are nails loaded in the tool. To guard
against possible injury, check the magazine for nails that may remain in the
tool. Unseen nails could be fired from the tool.
•Do not attempt to clear nail jams while the air hose is connected to the tool.
•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 Brad 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 compressed air to power air-powered
tools. 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 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
toward the user or other personnel.
Oxygen
Hydrogen
Explosive
Combustible
MC-OM-02

SAFETY GUIDELINES
6
AIR-POWERED BRAD NAILER 058-8691-0
•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 may 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
7
AIR-POWERED BRAD NAILER 058-8691-0
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
Brad Nailer.
•Do not use the Air-powered Brad Nailer for any task other than that it is
designed to perform.
•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 8" (20 cm) away
from the firing head. Nails can cause serious injury if they are deflected by
the workpiece or by objects in the workpiece or if they are driven away from
the point of entry.
•Do not drive a nail on top of existing nails. The nail may ricochet, causing
serious personal injury.
•Use only nails of the proper size and gauge, as specified in this manual
(see
section “Technical specifications”)
. Failure to comply could result in serious
injury or loss of life.
•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 BRAD NAILER 058-8691-0
CAUTION!
Potential hazard that may result in moderate injury or damage to
equipment.
•Carry the tool by the handle only. Do not carry the tool with a finger on the
trigger. Do not carry the tool by the hose, magazine or any other part.
•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 spring.
•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.
•Handling and storage of oil: Use the tool 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.
•Tripping hazard: The air hose may become a tripping hazard when it is
placed in the work area.
•Do not use the tool near or below the freezing condition, as doing so may
cause 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.
CAUTION!
Potential hazard that may result in moderate injury or damage to
equipment.
•Disconnect tool from the air supply before loading or
changing nails in order to prevent a nail from being fired
during loading. Failure to comply may result in moderate
injury or damage to equipment.
MC-OM-21

SAFETY GUIDELINES
9
AIR-POWERED BRAD NAILER 058-8691-0
Note: Recycle unwanted materials rather than disposing of it as waste. Sort the tools, hoses, and
packaging in specific categories and take to the local recycling center or dispose of it in an
environmentally safe way.
•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 prevent hearing
damage and loss. Failure to comply may result in moderate
injury.
MC-OM-01

KEY PARTS DIAGRAM
10
AIR-POWERED BRAD NAILER 058-8691-0
No. Description No. Description
1 Air inlet plug 5 Quick release handle
2 Magazine latch 6 Depth adjustment dial
3 Magazine 7 Trigger
4 Safety tip 8 Air deflector
MC-588691-01
3
4
3
2
1
6
5
3
7
3
8

IMPORTANT INFORMATION
11
AIR-POWERED BRAD NAILER 058-8691-0
Compatible compressors
GUIDELINES FOR PROPER USE AND OPERATION
Be sure to use a proper air compressor with Mastercraft® air-powered tools. The compressor that is
being used must be able to supply appropriate amount of pressure (PSI) to the tool.
General use
This Mastercraft®Air-powered Brad Nailer includes a die cast aluminum body that is strong and
lightweight, and a comfort grip rubber handle for improved control and comfort, even during
extended use. The tool has a magazine that accepts 18-gauge and 5/8 -2" (15 to 50 mm) long brad
nails, without adjustment. A hardened one-piece drive blade is provided for professional application,
and an adjusting wheel for controlling the depth of the nails. A touch-strike security system is
included for ensuring safety of the operator. The tool features a 360º air deflector that is adjustable
in any direction, and a quick-release handle for clearing jams. The Air-powered Brad Nailer is best
suited for installing door and window trim, decorative trim, cabinet work, finish paneling, framing,
scribe molding, upholstery, beading, chair rail, flooring works, etc.
Air Compressor
Size & 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
Wood density Nail size Compressor air pressure
>0.6g/cm3
<1 1/2" (32mm) brad nails 90 PSI
≥1 1/2" (32mm) brad nails 110 PSI
≤0.6g/cm3
<1 1/2" (32mm) brad nails 70 PSI
≥1 1/2" (32mm) brad nails 90 PSI

IMPORTANT INFORMATION
12
AIR-POWERED BRAD NAILER 058-8691-0
Air system
• Always use clean, dry, regulated, compressed air at 4.8 to 7.5 bar (70 to 110 PSI).
• Do not exceed the maximum or minimum pressures. Operating the tool at inappropriate
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 Brad 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
13
AIR-POWERED BRAD NAILER 058-8691-0
Read this Instruction Manual carefully before using the tool.
• Read and follow all the safety instructions at the beginning of this manual. Inspect the
Air-powered Brad 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 located as close to the tool as
possible.
• If a filter-regulator-lubricator is not installed, pour 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 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 connections in the air supply system are sealed in order to prevent air leakage.
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 BRAD NAILER 058-8691-0
This Mastercraft® Brad Nailer drives 18-gauge 5/8 -2"(15 to 50 mm) long brad nails.
ACCEPTABLE NAILS
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.).
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.
Length: 5/8 -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.
2”
5/8”
MC-588691-14

OPERATING INSTRUCTIONS
15
AIR-POWERED BRAD NAILER 058-8691-0
Loading nails
1. Disconnect the tool (1) from the air
supply (2)
(fig A) .
2. Hold the Air-powered Brad 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 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 the nails.
Failure to comply will result in serious injury or loss of life.
MC-588691-03
fig A
2
1
MC-588691-04
fig B
1
2

OPERATING INSTRUCTIONS
16
AIR-POWERED BRAD NAILER 058-8691-0
3. Insert a strip of nails (1) into the
magazine. After ensuring that the points
of the nails are facing down, close the
magazine. The tool is now ready for use
(fig C) . (see nail type icon on
page 14)
4. 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). Use plumber’s tape to
prevent air leaks
(fig D) . page
11 (wood density chart)
5. Test the driving depth of the tool against
a sample piece of wood by pressing the
trigger (1) before working on the
workpiece. If the nails 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-588691-05
fig C
1
MC-588691-06
fig D
2
1
MC-588691-07
fig E
1

OPERATING INSTRUCTIONS
17
AIR-POWERED BRAD NAILER 058-8691-0
Firing modes
The Mastercraft®Air-powered Brad Nailer is equipped with a single sequential actuation mode.
1. Press the safety stand against the workpiece.
2. Pull the trigger in order to drive the nail with the safety tip pressed firmly against the
workpiece.
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 stand must be in contact with the workplace 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.
• Do not load different sized nails into the magazine, as doing so may cause
nails to jam. Failure to comply could lead to serious injury or loss of life.
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.

MAINTENANCE
20
AIR-POWERED BRAD NAILER 058-8691-0
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 Brad 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 fasteners used.
MC-588691-13