MasterCraft 058-8191-0 User manual

INSTRUCTION MANUAL
AIR-POWERED
COMPACT COIL ROOFING NAILER
058-8191-0

TABLE OF CONTENTS
2
AIR-POWERED COMPACT COIL ROOFING NAILER 058-8191-0
QUICK START GUIDE
TECHNICAL SPECIFICATIONS 3
SAFETY GUIDELINES 4–9
KEY PARTS DIAGRAM 10
IMPORTANT INFORMATION 11–13
TYPES OF NAILS 14
OPERATING INSTRUCTIONS 15–18
MAINTENANCE 19–20
TROUBLESHOOTING 21–23
EXPLODED VIEW 24
PARTS LIST 25–26
WARRANTY 27–28

SAFETY GUIDELINES
4
AIR-POWERED COMPACT COIL ROOFING NAILER 058-8191-0
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 COMPACT COIL ROOFING NAILER 058-8191-0
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.
•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.
•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, for
safety purpose 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
toward the user or other personnel.
Oxygen
Hydrogen
Explosive
Combustible
MC-OM-02

SAFETY GUIDELINES
6
AIR-POWERED COMPACT COIL ROOFING NAILER 058-8191-0
•Risk for breathing: 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 COMPACT COIL ROOFING NAILER 058-8191-0
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
Compact Roofing Nailer.
•Donotuse the Air-powered Compact Roofing Nailer for any task other than
that it is designed to perform.
•Locate the compressor in a well-ventilated area for cooling, at 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 could 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 an elevated position that
could allow the unit to fall or be tipped over.

SAFETY GUIDELINES
8
AIR-POWERED COMPACT COIL ROOFING NAILER 058-8191-0
CAUTION!
Potential hazard that may result in moderate injury or damage to
equipment.
•Always ensure that the tool has stopped before connecting it 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 the floor is not slippery and wear non-slip shoes. Floor should be
kept clean and clear.
• Always follow all workshop safety rules, regulations, and conditions when
using the Air-powered Compact Roofing Nailer.
•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 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.
•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 COMPACT COIL ROOFING NAILER 058-8191-0
Note: Recycle unwanted materials rather than disposing of them as waste. Sort the tools, hoses, and
package into specific categories and take to the local recycling centre or dispose them of 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, 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 or damage to equipment.
MC-588191-13
MC-OM-01

KEY PARTS DIAGRAM
10
AIR-POWERED COMPACT COIL ROOFING NAILER 058-8191-0
No. Description No. Description
1 Air inlet plug 5 Safety tip
2 Trigger 6 Safety stand
3 Magazine 7 Air deflector
4 Magazine latch
MC-588191-12
3
4
5
6
7
1
2

IMPORTANT INFORMATION
11
AIR-POWERED COMPACT COIL ROOFING NAILER 058-8191-0
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 4.7 SCFM @ 90 PSI to ensure the compressor can run
continuously with the Mastercraft®Air-Powered Compact Roofing Nailer.
General use
This Mastercraft®Compact Roofing Nailer drives 3/4 to 1 3/4" (19 to 45 mm) long full-head (also
known as round-head) nails. The tool has a strong, lightweight die cast aluminum body for
well-balanced and easy operation, and a rubber handle for improved control and comfortable grip,
even during extended use. It features a 360º air deflector for air exhaust and a safety stand for
improved operator safety. It is ideal for wall sheathing, roof sheathing, shingles, and similar
applications.
Air Compressor
Size and Power 1 1/2–2 HP 2 1/2 HP 3+ HP
4–6 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
Heavy-duty and
continuous use
Heavy-duty and
continuous use
Wood density Nail size Compressor air pressure
>0.6 g/cm3
<1" (25 mm) 90 PSI
≥1" (25 mm) 120 PSI
≤0.6 g/cm3
<1" (25 mm) 75 PSI
≥1" (25 mm) 110 PSI

IMPORTANT INFORMATION
12
AIR-POWERED COMPACT COIL ROOFING NAILER 058-8191-0
Air system
• Always use clean, dry, regulated, compressed air at 4.5 to 7.5 bar (70 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, or misfiring.
WARNING!
Potential hazard that could result in serious injury or loss of life.
•Keep hands and other body parts 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
1Mastercraft®Air-powered Compact Coil
Roofing 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-588191-14

IMPORTANT INFORMATION
13
AIR-POWERED COMPACT COIL ROOFING NAILER 058-8191-0
Read this Instruction Manual carefully before using the Air-powered Compact Coil Roofing Nailer.
• Read and follow all the safety instructions at the beginning of this manual. Inspect the
Air-powered Compact Coil Roofing 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 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
from leaking.
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 result in
serious injury or loss of life.

TYPES OF NAILS
14
AIR-POWERED COMPACT COIL ROOFING NAILER 058-8191-0
This Mastercraft® Compact Coil Roofing Nailer drives full-headed or round-headed 3/4 to 1 3/4" (19
to 45 mm) long 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: 3/4 -1 3/4"
(19 to 45 mm) Angle: 15°
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.
3/4”
1 3/4”
MC-588191-15
MC-588191-16

OPERATING INSTRUCTIONS
15
AIR-POWERED COMPACT COIL ROOFING NAILER 058-8191-0
Loading Nails
1. Disconnect the tool (1) from the air
supply (2)
(fig A) .
2. Grasp the nailer firmly with one hand
and use the other hand to open the
firing chamber by operating the
magazine latch (1) with the thumb and
index finger
(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 or
changing nails.
• Do not point the tool towards the operator or other people while loading or
changing nails.
• Do not hold the tool with the trigger pressed while loading or changing the
nails. Failure to comply will lead to serious injury or loss of life.
MC-588191-03
2
1
fig A
MC-588191-04
1
fig B

OPERATING INSTRUCTIONS
16
AIR-POWERED COMPACT COIL ROOFING NAILER 058-8191-0
3. Upon releasing the magazine latch, open
the movable cover (1)
(fig C) .
4. The magazine cover (1) can now be
opened
(fig D) .
5. Insert a coil of nails (1), putting the first
nail into the firing chamber (2) of the
nailer. Close the magazine cover and
then close the movable cover
(fig E) .
(see nail type icon on page 14)
6. Plug in the 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 F) .
page 11 (wood density chart)
MC-588191-05
1
fig C
MC-588191-06
1
fig D
MC-588191-07
fig E
2
1
MC-588191-08
1
2
fig F

OPERATING INSTRUCTIONS
17
AIR-POWERED COMPACT COIL ROOFING NAILER 058-8191-0
7. Test the driving depth of the nails by
pressing the trigger (1) with the safety
stand pressed on a sample piece of
wood before working on the workpiece
(fig G) .
MC-588191-09
fig G
1
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 operator or
others, apart from damaging the tool.
• Load the correct type of nails only. 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.

MAINTENANCE
19
AIR-POWERED COMPACT COIL ROOFING NAILER 058-8191-0
Maintenance
•Air-operated tools must be inspected periodically and worn or broken parts must be replaced
in order to keep tools operating safely and efficiently.
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 Compact Coil
Roofing 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-588179-17

MAINTENANCE
20
AIR-POWERED COMPACT COIL ROOFING NAILER 058-8191-0
• Inspect and replace worn or damaged O-rings, seals, etc. Tighten all screws and caps
frequently in order to help prevent personal injury.
• Inspect the trigger, spring, and safety mechanism for free movement on a regular basis in
order to ensure that the safety system is fully functional. Verify that no parts are loose or
missing and no parts are sticking or jammed.
• Keep the magazine and the firing area of the tool clean and free of any dirt or abrasive
particles.
Note: When temperatures are below freezing, keep the tools warm using any safe, convenient
method.