MasterCraft 058-8434-4 User manual

Brand: MasterCraft

Model: 058-8434-4

Category: Power tools

Type: User manual

MasterCraft 058-8434-4 is a lightweight, air-powered clipped-head framing nailer that drives 2 to 3 1/2" (50 to 90 mm) long clipped-head framing nails. It features a hardened one-piece piston and an open magazine designed for easy extraction of jammed nails, a rubber grip handle for improved control and added comfort, a tool-free driving depth adjustment for driving nails flush or countersunk into various materials, a 360º air deflector that can be pointed in any direction, and a hardened claw tip that reduces wear and limits slippage when the tool is driven at an angle.

INSTRUCTION MANUAL

AIR-POWERED

CLIPPED-HEAD FRAMING NAILER

058-8434-4

TABLE OF CONTENTS

AIR-POWERED CLIPPED-HEAD FRAMING NAILER 058-8434-4

QUICK START GUIDE

TECHNICAL SPECIFICATIONS 3

SAFETY GUIDELINES 4–9

KEY PARTS DIAGRAM 10

IMPORTANT INFORMATION 11–13

TYPES OF NAILS 14–15

OPERATING INSTRUCTIONS 16–22

MAINTENANCE 23–24

TROUBLESHOOTING 25–27

EXPLODED VIEW 28

PARTS LIST 29–30

WARRANTY 31–32

SAFETY GUIDELINES

AIR-POWERED CLIPPED-HEAD FRAMING NAILER 058-8434-4

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

eader of something he/she needs to know about

he 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!

otential hazard that will result in serious

njury or loss of life.

WARNING!

Potential hazard that could result in

erious injury or loss of life.

CAUTION!

otential hazard that may result in

oderate injury or damage to equipment.

SAFETY GUIDELINES

AIR-POWERED CLIPPED-HEAD FRAMING NAILER 058-8434-4

SAFETY GUIDELINES

ote: 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.

• A

lways ensure that the workpiece is firmly secured leaving both hands free

to control the tool.

• A

lways 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.

• K

eep proper footing at all times in order to ensure correct balance.

• Do not use oxygen or any other combustible or bottled

as 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.

Oxygen

Hydrogen

Explosive

Combustible

MC-OM-02

SAFETY GUIDELINES

AIR-POWERED CLIPPED-HEAD FRAMING NAILER 058-8434-4

• Risk of personal injury: Do not direct compressed air from the air hose

toward the user or other personnel.

• 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

AIR-POWERED CLIPPED-HEAD FRAMING NAILER 058-8434-4

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

Clipped-Head Framing Nailer.

• Do not use the Air-powered Clipped-Head Framing Nailer for any task other

than that it is designed to perform.

• Do not use the Air-powered Clipped-Head Framing Nailer unless it has been

instructed to use.

• L

ocate the compressor in a well-ventilated area for cooling, at a minimum of

12" (31 cm) away from the nearest wall.

• P

rotect the air hose and the power cord from damage and puncture. Inspect

hem for weak or worn spots every week, and replace them if necessary.

• A

lways wear hearing protection when using the air compressor. Failure to do

so may result in hearing loss.

• D

o not carry the compressor while it is running.

• D

o not operate the compressor if it is not in a stable position.

• D

o not operate the compressor on a rooftop or an elevated position that

could allow the unit to fall or be tipped over.

• A

lways replace a damaged gauge before operating the unit again.

SAFETY GUIDELINES

AIR-POWERED CLIPPED-HEAD FRAMING NAILER 058-8434-4

CAUTION!

Potential hazard that may result in moderate injury or damage to

quipment.

• Always ensure that the tool has stopped before connecting it to the air

upply.

• D

o not wear watches, rings, bracelets, or loose clothing when using any air

tool.

• D

o 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. V

erify that all screws are securely tightened.

• For optimal safety and tool performance, i

nspect the tool daily in order to

ensure free movement of the trigger, safety mechanisms, and springs.

• A

lways 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 Clipped-Head Framing Nailer.

• C

arry 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.

• D

o not use the tool near or below the freezing condition, as doing so may

cause tool failure.

• D

o 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.

• H

andling 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

AIR-POWERED CLIPPED-HEAD FRAMING NAILER 058-8434-4

Note: Recycle the 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.

CAUTION!

Potential hazard that may result in moderate injury or damage to

quipment.

• Disconnect the tool from the air supply and turn off the

ompressor 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-588434-01MC-588434-01

MC-OM-01

IMPORTANT INFORMATION

AIR-POWERED CLIPPED-HEAD FRAMING NAILER 058-8434-4

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 6.63 SCFM @ 90 psi to ensure the compressor can run

continuously with the Mastercraft Air-powered Clipped-Head Framing Nailer.

Features of the Clipped-Head Framing Nailer

• This lightweight Mastercraft® Air-powered Clipped-Head Framing Nailer drives 2 to 3 1/2" (50

to 90 mm) long clipped-head framing nails.

• It features

– a hardened one-piece piston and an open magazine designed for easy extraction of

jammed nails.

– a rubber grip handle for improved control and added comfort, even during extended use.

– a tool-free driving depth adjustment for driving nails flush or countersunk into various

materials, which keeps projects moving.

– additional trigger included to allow advanced bump-fire use.

– a rear-loading magazine made of extruded aluminum for lighter weight and added

durability.

– a 360º air deflector that can be pointed in any direction.

• The hardened claw tip reduces wear and limits slippage when the tool is driven at an angle.

• The rubber covers at the end of the magazine and on both the sides of the main body protect

both the operator and the workpiece.

• This framing nailer is ideal for construction framing, wall sheathing, roof sheathing, floor

decking and similar applications.

Air Compressor

size & Power

1 1/2 - 2 HP 2 1/2 HP 3 HP and more

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

and more

Medium duty and

intermittent use

Heavy duty and

continuous use

Heavy duty and

continuous use

IMPORTANT INFORMATION

AIR-POWERED CLIPPED-HEAD FRAMING NAILER 058-8434-4

Air system

•

lways use clean, dry, regulated compressed air at 4 to 7 bar (60 to 100 PSI).

• Do not exceed the maximum and minimum pressures. Operating the tool at the wrong

pressure will cause excessive noise, fast wear or misfiring.

• 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

from leaking.

ote: Please note that the filter-regulator-lubricator and air hose are sold separately.

ood density Nail size Compressor air pressure

!0.6 g/cm

2.5" (63 mm) 100 psi

t2.5" (63 mm) 110 psi

d0.6 g/cm

2.5" (63 mm) 70 psi

t2.5" (63 mm) 110 psi

WARNING!

Potential hazard that could result in serious injury or loss of life.

• Keep hands and other parts of the body away from the work areas when

connecting the air supply. Failure to comply could lead to serious injury or

loss of life.

IMPORTANT INFORMATION

AIR-POWERED CLIPPED-HEAD FRAMING NAILER 058-8434-4

Read this Instruction Manual carefully before using the nailer.

• Read and follow all the safety instructions at the beginning of this manual. Inspect the

Air-powered Clipped-head Framing 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.

o. Description No. Description

Mastercraft

Air-powered Clipped-head

Framing Nailer

6 Regulator (0 to 8.5 bar)

2 Quick connector 7 Filter

3 Quick coupler 8 Cut-off valve

4 Air hose 9 Air compressor

5 Lubricator

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 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.

MC-588122-03

AIR-POWERED CLIPPED-HEAD FRAMING NAILER 058-8434-4

TYPES OF NAILS

This lightweight Mastercraft® Air-powered Clipped-head Framing Nailer drives 2 - 3 1/2" (50 to 90

mm) long clipped-head framing 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.).

Length: 2 - 3 1/2

(50 to 90 mm) (Fig A)

Angle: 34°

(Fig B)

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.

3.5”

2”

MC-588434-04

ﬁg A

34º

ﬁg B

MC-588434-05

OPERATING INSTRUCTIONS

AIR-POWERED CLIPPED-HEAD FRAMING NAILER 058-8434-4

Loading nails

1. Disconnect the tool (1) from the air

supply (2)

(fig C)

2. Take hold of the nailer firmly with one

hand and use the other hand to press

the sliding pusher (1) on the magazine

and slide it back

(fig D)

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 lead to serious injury or loss of life.

MC-588434-06

ﬁg C

MC-0588434-07

ﬁg D

OPERATING INSTRUCTIONS

AIR-POWERED CLIPPED-HEAD FRAMING NAILER 058-8434-4

3. Insert a strip of nails into the magazine.

Ensure the points of the nails are facing

down. Be sure to insert the heads of the

nails into the channel. Slide the pusher

against the nails to close the magazine

(1) until it comes into contact with the

nails and locks into place. The tool is

now ready for use

(fig E)

. (see

nail type icon on page 15)

4. Plug in compressor, turn it on set the

pressure regulator to 90psi, 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

(fig F)

. page 12

(wood density chart)

5. Test the driving depth using a sample

piece of wood before working on the

workpiece. If the nails are being driven

too deep or not deep enough, adjust the

regulator in order to provide more or

less air pressure, as required.

MC-588434-08

ﬁg E

MC-588434-09

ﬁg F

WARNING!

Potential hazard that could result in serious injury or loss of life.

• Do not operate the tool if the nails are not loaded, doing so may damage the

tool.

• Do not fire nails into the air, doing so may cause injury to the operators or

others, apart from damaging the tool.

• Load the correct type of nails only and 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.

OPERATING INSTRUCTIONS

AIR-POWERED CLIPPED-HEAD FRAMING NAILER 058-8434-4

Mode conversion

To convert the nailer from one mode to the

other, remove the current trigger and install

the other trigger.

REMOVING THE CURRENT

TRIGGER

• Remove the O-ring (1) from the trigger

(fig G)

ote: A slot screwdriver may be used to

gently lift the O-ring from the end of the

trigger pin.

• Slowly remove the trigger pin (1), and

then the trigger. Use your thumb to

hold the trigger spring in place

(fig H)

WARNING!

Potential hazard that could result in serious injury or loss of life.

• Hold the gun properly and mind the kick-back after each nail shot. Failure to

comply will lead to serious injury or loss of life.

ﬁg G

MC-588434-10

MC-588434-11

ﬁg H

OPERATING INSTRUCTIONS

AIR-POWERED CLIPPED-HEAD FRAMING NAILER 058-8434-4

INSTALLING THE NEW

TRIGGER

• Place the new trigger (1) with your

thumb holding the spring (2) in place

(fig I)

• Align the holes on top of the trigger

and the holes on the casing of the

nailer.

• Insert the trigger pin (1) through the

holes. Put it back to where it was

removed

(fig J)

• Push the O-ring back on to the trigger

pin. Make sure it is tightly secured and

sits in the recess.

MC-588434-12

ﬁg I

MC-588434-13

ﬁg J

CAUTION!

Potential hazard that may result in moderate injury or damage to

quipment.

• Do not attempt to modify the trigger components in any manner and do not

attempt to use any other trigger components other than those intended for

this tool. Failure to comply will lead to moderate injury or damage to

equipment.

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MasterCraft 058-8434-4 User manual

Brand: MasterCraft

Model: 058-8434-4

Category: Power tools

Type: User manual

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MasterCraft 058-8434-4 User manual

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