INSTRUCTION MANUAL
Finishing Nail Gun Kit
• Taipei • New York • Verona • London • Paris
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031216 PR ED08
Dear Customer
Description of symbols
The rating plate on your tool may show symbols. These
represent important information about the product or
instructions on its use.
If you require any help with your product, whether it
is a Warranty claim, spare part or user information,
please phone our Help Line for an immediate response. Phone
1300 880 001 in Australia or 0800 445 721 in New Zealand.
Wear hearing protection.
Wear eye protection.
Wear breathing protection.
Introduction
Your new GMC tool will more than satisfy your expectations.
It has been manufactured under stringent GMC Quality
Standards to meet superior performance criteria.
You will find your new tool easy and safe to operate,
and, with proper care, it will give you many years of
dependable service.
Caution. Carefully read through this entire Instruction
Manual before using your new GMC Tool. Take special care
to heed the Cautions and Warnings.
Specifications
Operating Pressure:
Air Consumption:
Magazine Capacity:
Nail size:
75 – 120 PSI
4 – 8CFM
100 Nails
16 Gauge C-Brads
18, 25, 32, 36, 45 or 50mm
1.7kg
Nail lengths:
Weight:
Your GMC tool has many features that will make your job
faster and easier. Safety, performance, and dependability
have been given top priority in the development of this
tool, making it easy to maintain and operate.
Air Inlet:
ꢀ” PT
Tool Dimensions:
304 x 77 x 254mm
General safety instructions for air tools
Environmental protection
To use this tool properly, you must observe the safety
regulations, the assembly instructions and the operating
instructions to be found in this Manual. All persons who
use and service the machine have to be acquainted with
this Manual and must be informed about its potential hazards.
Children and infirm people must not use this tool. Children
should be supervised at all times if they are in the area in which
the tool is being used. It is also imperative that you observe the
accident prevention regulations in force in your area. The same
applies for general rules of occupational health and safety.
Recycle unwanted materials instead of
disposing of them as waste. All tools, hoses
and packaging should be sorted, taken to
the local recycling centre and disposed of
in an environmentally safe way.
Warning. When using air tools, basic safety precautions
should always be taken to reduce the risk of fire, electric
shock and personal injury. Also, please read and heed
the advice given in the additional important safety
instructions.
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regarding lubrication and accessory changes. Inspect air
hose periodically and, if damaged, have it replaced. Keep
tool handles dry, clean and free from oil and grease.
1. Keep the work area clean and tidy. Cluttered work
areas and benches invite accidents and injury.
2. Consider the environment in which you are working.
Do not use air tools in damp or wet locations. Keep
the work area well lit. Do not expose air tools to rain.
Do not use air tools in the presence of flammable
liquids or gases.
3. Keep visitors away from the work area. All visitors
and onlookers, especially children and infirm persons,
should be kept well away from where you are working.
Do not let others in the vicinity make contact with the
tool or air hose.
13. Disconnect idle tools. Disconnect air tools from the
air hose before servicing, when changing accessories
and when the tool is not in use.
14. Remove adjusting keys and wrenches. Check to see
that keys and adjusting wrenches are removed from
the tool before switching on.
15. Avoid unintentional starting. Do not carry a
connected air tool with your finger on the trigger.
16. Stay alert. Watch what you are doing. Use common
4. Store tools safely. When not in use, tools should be
sense. Do not operate an air tool when you are tired.
locked up out of reach.
17. Check for damaged parts. Before using a tool, check
that there are no damaged parts. If a part is slightly
damaged, carefully determine if it will operate
5. Do not force the tool. The tool will do the job better
and safer working at the rate for which it was designed.
properly and perform its intended function. Check for
alignment of moving parts, binding of moving parts,
breakage of parts, proper mounting and any other
conditions that may affect the operation of the tool.
A part that is damaged should be properly repaired
or replaced by an authorised service facility, unless
otherwise indicated in this Instruction Manual.
6. Use the correct tool for the job. Do not force small
tools or attachments to do the job best handled by a
heavier duty tool. Never use a tool for a purpose for
which it was not intended.
7. Dress correctly. Do not wear loose clothing or
jewellery. They can be caught in moving parts. Rubber
gloves and non- slip footwear are recommended
when working outdoors. If you have long hair, wear a
protective hair covering.
8. Use safety accessories. Safety glasses and earmuffs
should always be worn. A face or dust mask is also
required if the sanding operation creates dust.
9. Do not abuse the air hose. Never carry the air tool
by the air hose. Keep the air hose away from heat, oil
and sharp edges.
18. Guard against electric shock. Prevent body contact
with grounded objects such as water pipes, radiators,
cookers and refrigerator enclosures.
19. Use only approved parts. When servicing, use only
identical replacement parts. Use an authorised service
facility to fit replacement parts.
20. Disconnect tool from air supply hose. Before
doing tool maintenance, clearing a jammed fastener,
leaving work area, moving tool to another location,
or handing the tool to another person.
21. Never use a tool that is leaking air, has missing
or damaged parts, or requires repair. Make sure all
screws and caps are securely tightened.
10. Secure the work piece. Use clamps or a vice to hold
the work piece. It is safer than using your hand and
frees both hands to operate the tool.
11. Do not overreach. Keep your footing secure and
balanced at all times.
22. Operator and others in work area MUST wear
safety glasses with side shields.
12. Look after your tools. Keep tools sharp and clean
for better and safer performance. Follow the instructions
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Important safety instructions
Risk of eye or head injury
What could happen
How to prevent it
• Air powered equipment are capable of propelling
materials such as fasteners, metal chips, saw dust, and
other debris at high speed, which could result in serious
eye injury.
• Always wear safety glasses with side shields.
• Never leave operating tool unattended. Disconnect air
hose when tool is not in use.
• Wearing hearing protection and helmet during
operation is also strongly recommended.
• Tool attachments can become loose or break and fly
apart propelling particles at the operator and others in
the work area.
• For additional protection use an approved face shield in
addition to safety glasses.
• Compressed air can be hazardous. The air stream can cause • Make sure all connections are secure and check air
injury to soft tissue areas such as eyes, ears, etc. Particles
or objects propelled by the stream can cause injury.
hoses for weak or worn condition before each use.
Risk of fire or explosion
What could happen
How to prevent it
• Air nailers are capable of generating sparks which could • Never operate tools near flammable substances as
result in ignition of flammable materials.
gasoline, cleaning solvents, etc.
• Work in a clean, well ventilated area.
• Never use oxygen, carbon dioxide or other gases as a
power source for air tools.
• Exceeding the maximum pressure rating of tools or
accessories could cause an explosion resulting in serious
injury.
• Use compressed air regulated to a maximum pressure at
or below the rated pressure of any attachments.
• Connect tool to air supply hose with a coupling that
automatically removes all pressure from the tool when
the coupling is disconnected.
• Do not exceed maximum operating pressure of this tool
of 120 PSI.
• Only use air hose that is rated for a maximum working
pressure of at least 120 PSI or 150% of the maximum
system pressure, which ever is greater.
• Always verify prior to using the tool that the air source
has been adjusted to the rated air pressure range.
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Risk of loss of hearing
What could happen
How to prevent it
• Long term exposure to noise produced from the operation • Always wear hearing protection.
of air tools can lead to permanent hearing loss.
Risk to injury
What could happen
How to prevent it
• Tools left unattended with the air hose attached, can
be activated by unauthorized persons leading to their
injury or injury to others.
• Remove air hose when tool is not in use and store tool
in secure location away from reach of children and or
untrained users.
• Air tools can propel fasteners or other materials
throughout the work area.
• Always keep hands and body away from the fastener
discharge area when air supply is connected to air nailer.
• Use only parts, fasteners, and accessories recommended
by the manufacturer.
• Always assume the finish nailer contains nails. Never
use the nailer as a toy.
• Keep work area clean and free of clutter.
• Keep children and others away from work area during
operation of the tool.
• Grip tool firmly to maintain control while allowing tool
to recoil away from work surface as fastener is driven. If
safety element is allowed to recontact work surface before
trigger is released an unwanted fastener will be fired.
• Keep work area well lit.
• A wrench or a key that is left attached to a rotating
part of the tool increases the risk of personal injury.
• Remove adjusting keys and wrenches before turning the
tool on.
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Risk to injury (cont.)
• Air tools can become activated by accident during
maintenance or tool changes.
• Disconnect the brad nailer from air compressor before
changing tools, loading/unloading fasteners or accessories,
clearing jams and during non-operation.
• Do not depress trigger when connecting the air hose.
• Never carry the tool by the hose.
• Avoid unintentional starting. Don’t carry an air tool which
is connected to an air hose, with your finger on the trigger.
• Repair servicing should be done only by an authorized
service representative.
• Air tools can cause the workpiece to move upon
contact leading to injury.
• Use clamps or other devices to prevent movement.
• Loss of control of the tool can lead to injury to self or
others.
• Never operate tool while under the influence of drugs
or alcohol.
• Don’t overreach. Keep proper footing and balance at all
times.
• Always place yourself in a firmly balanced position when
using or carrying the brad nailer.
• Keep handles dry, clean, and free from oil and grease.
• Stay alert. Watch what you are doing. Use common
sense. Do not operate tool when you are tired.
• Poor quality, improper, or damaged nailers can fly apart • Always use tool attachments rated for the speed of the
during operation, propelling particles throughout the
work area causing serious injury.
air tool.
• Never use air tools which have been dropped, impacted
or damaged by use.
• Never use tool if safety, trigger or springs are
inoperable, missing or damaged. Do not alter or remove
safety, trigger, or springs. Make daily inspections for free
movement of trigger and safety mechanism.
• Do not apply excessive force to the tool, let the tool
perform the work.
7
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Risk to injury (cont.)
• Fasteners could ricochet or be propelled causing serious • Never point discharge of tool at self or others.
injury or property damage.
• Do not pull trigger unless tool contact safety device is
against work surface.
• Never attempt to drive fasteners into hard surfaces such
as steel, concrete, or tile.
• Take care to avoid driving a fastener on top of another
fastener.
• Position tool carefully so that fasteners will be delivered
to the proper location.
• Do not drive fasteners close to the edge of the
workpiece. The workpiece is likely to split allowing the
fastener to fly free or ricochet causing personal injury.
• Improperly maintained tools and accessories can cause • Maintain the tool with care.
serious injury.
• Always check that the striking element is operating
properly. Do not modify or disable the strike element, or
any tool parts.
• There is a risk of bursting if the tool is damaged.
• Check for misalignment or binding of moving parts,
breakage of parts, and any other condition that affects
the tool’s operation. If damaged, have the tool serviced
before using.
• Use only accessories identified by the manufacturer to
be used with specific tools.
• Use of an accessory not intended for use with the
specific tools, increases the risk of injury to persons.
Risk of electric shock
What could happen
How to prevent it
• Using air tools to attach electrical wiring may result in • Never use a nailer to attach electrical wiring while
electrocution or death. energized.
• Contact with a “live” wire will also make exposed metal • Avoid body contact with grounded surfaces such as
parts of the tool “live” and may result in electrocution
or death.
pipes, radiators, ranges, and refrigerators. There is an
increased risk of electric shock if your body is grounded.
• Fasteners coming in contact with hidden electrical
wiring may cause electrocution or death.
• Thoroughly investigate the workpiece for possible
hidden wiring before performing work.
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Risk of entanglement
What could happen
How to prevent it
• Tools which contain moving elements, or drive other
moving tools, can become entangled in hair, clothing,
jewellery and other loose objects, resulting in severe
injury.
• Never wear loose fitting clothes, or apparel which
contains loose straps or ties, etc. which could become
entangled in moving parts of the tool.
• Remove any jewellery, watches, identifications,
bracelets, necklaces, etc. which might become caught
by the tool.
• Keep hands away from moving parts. Tie up or cover
long hair.
• Always wear proper fitting clothing and other safety
equipment when using this tool.
Risk of cut or burns
What could happen
How to prevent it
• Tools which cut, shear, drill, staple, punch, chisel, etc.
are capable of causing serious injury
• Keep the working part of the tool away from hands and
body.
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Know your product
1. Exhaust deflector
2. Trigger
3. Air inlet
4. Latch
1
5. Nail magazine
6. Safety strike element
(Non marking tip)
7. Fastener discharge area
8. Drive safety cover
9. Quick release latch
10. Depth adjustment
thumb wheel
3
2
10
10
5
8
6
7
4 9
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Preparing the tool
Tool lubrication
This finish nailer requires lubrication BEFORE initial use and
BEFORE and AFTER each additional use throughout its life.
3.After lubrication, run brad nailer briefly. Wipe off any
excess oil from the adjustable deflector exhaust (1).
The work surface can become damaged by excessive
lubrication.
4.Finish nailer repairs must be done by a qualified and
experienced service dealer.
1.Disconnect the air hose, turn the finish nailer so the air
inlet (3) is facing up. Place 3-4 drops of non detergent
oil into the air inlet. Do not use air tool oil as it
contains solvents which will damage the nailer’s internal
parts.
2.Lubricate the drive safety cover & slide guide (8),
trigger (2) and magazine slide mechanism periodically.
Place a few drops of
non-detergent oil into
air inlet before each use.
Apply a few drops
of oil to the trigger
mechanism.
Apply a thin coat of
lightweight grease to
safety slide guides.
Apply a few drops of oil
to sliding mechanism of
the magazine.
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3.Reconnect air hose to the finish nailer.
4.Push the strike element against the work surface without
depressing the trigger. The finish nailer MUST NOT cycle.
Operation
Operating the tool:
Firing mechanism:
This tool operates on a single (full sequential actuation)
firing system.
5.Remove the finish nailer from the work surface, the
strike element should return to its original position. Pull
the trigger, the brad nailer MUST NOT cycle. If it cycles
DO NOT use it.
Single (full sequential actuation) firing.
To fire, grip tool firmly to maintain control, position nose
of tool onto work surface, depress safety, and squeeze
trigger to fire a fastener. Allow tool to recoil away from
work surface as fastener is driven. This “full sequential
actuation” method provides the most accurate fastener
placement.
Loading & unloading the fasteners:
1.Always disconnect the finish nailer to the air hose before
loading fasteners.
Where to use finishing nailer.
Finishing nailers are used mainly in medium to light duty
applications. The use of C Brad nails enables the nail heads
to be countersunk under the surface of you work surface.
This is important where the ‘finish’ or appearance of the
workpiece is a priority.
Some additional important safety applications are as
follows:
1. Fire fasteners into work surface only, never into
materials too hard to penetrate such as concrete and
steel.
2. Do not drive fasteners on top of other fasteners, or with
the tool at too steep an angle as the fasteners may
ricochet causing personal injury.
2.Press and pull the latch (4)
back until it catches onto the
back of the nail magazine
cover (5).
3.Insert a row of quality C - brad
fasteners into the magazine.
Make sure the pointed ends
of the fasteners are resting on
the bottom of the magazine.
3. Do not drive fasteners close to the edge of the
workpiece. The workpiece is likely to split allowing the
IMPORTANT: Make sure the fasteners are not rusted,
damaged or dirty.
5.Push the nail magazine cover (5) forward until the latch
meets with the nails.
6.Always disconnect the air hose before unloading
fasteners.
fastener to fly free or ricochet causing personal injury.
Checking the safety strike element:
1.Disconnect the air hose from the brad nailer and remove
all fasteners from the magazine.
2.Make sure the trigger and the strike nose move freely up
and down.
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Adjusting the exhaust direction:
Power source
1.The finish nailer is equipped
with an adjustable direction
exhaust deflector (1). Simply
adjust the directional exhaust
deflector so that the exhaust
air blast will be directed away
from the operator. Grasp the
deflector and rotate it to the
desired position for the current
application.
This tool is designed to operate on clean, dry, compressed
air at regulated pressures between 75 and 120 PSI.
The preferred system would include a filter, a pressure
regulator, and an automatic oiler located as close to the
tool as possible.
All compressed air contains moisture and other
contaminates that are detrimental to internal components
of the tool. An air line filter will remove most of these
contaminates and significantly prolong the life of the tool.
If an in-line oiler is not available, place 3 - 4 drops of non
detergent oil into the tool’s air inlet at the beginning of
each workday.
Adjusting the fastening depth:
1.Regulate the air pressure to 120 PSI at the compressor.
DANGER: All air line components (hoses, connectors,
filters, regulators, etc.) must have a minimum working
pressure rating of at least 120 PSI or 150% of maximum
system potential, whichever is greater.
2.Connect the air hose to the nailer and test for
penetration by driving fasteners into a sample piece of
wood. If the fasteners do not achieve the desired depth,
rotate the depth adjustment thumb wheel (10) until the
desired depth is achieved.
Clearing a jam:
1.Disconnect the air supply from
the nailer and remove all
fasteners from the magazine.
2.Press the quick release latch
(9) which will disengage the
the driver safety cover (8).
Remove the driver safety cover
(8) so the jammed fastener is
exposed.
3.Remove the jammed fastener,
using screwdriver or long nose
pliers if required.
4.Close back the driver safety
cover tightly.
5.Test the finish nailer.
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Troubleshooting
Trouble
Possible cause
Suggested remedy
Dirt in the nose piece.
Drive channel needs to be cleaned.
Magazine needs to be cleaned.
Nailer skips when driving
brad nails.
Dirt or damage prevent nails or pusher
from moving freely in magazine.
Inadequate air flow to nailer.
The fittings, hose or air compressors
needs to be checked.
Loose screws.
Tighten screws.
Air leaking near the top of
the tool or in trigger area.
Nailer not lubricated sufficiently.
Nailer needs to be lubricated.
Nailer runs slow or has loss
of power.
Exhaust port in the cap has been
blocked.
Damaged internal parts needs to be
replaced by an authorized service centre.
Loose screws.
Tighten screws.
Air leaking near the
bottom of the tool.
Incorrect fasteners.
Damaged fasteners.
Magazine is dirty.
Verify approved fasteners of correct size.
Replace with undamaged fasteners.
Clean magazine.
Tool jams frequently.
WARNING: Disconnect tool from air supply before performing any cleaning and maintenance procedures.
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Carefully read the entire Instruction Manual
before using this product.
With continuing product development changes may
have occurred which render the product received
slightly different to that shown in this instruction
manual. The manufacturer reserves the right to
Before returning this product for a
Warranty Claim or any other reason
Please Call 1300 880 001 (Australia)
or 0800 445 721 (New Zealand)
change specifications without notice. Note:
Specifications may differ from country to country.
When you make your call, please have
the following information at hand:
• GMC Product Type • GMC Product Code
A GMC Service Engineer will take your call and, in
most cases, will be able to solve your problem over
the phone.
The GMC 777 Helpline operates from 7am to
7pm, 7 days a week (EST). This allows you
to contact GMC directly with any queries and
technical questions you have regarding
our products.
You are welcome to use this phone-in service to
make suggestions or give comments about any
GMC product.
45–55 South Centre Road
Melbourne Airport
Victoria, Australia 3045
Tel: (03) 8346 1100 Fax: (03) 8346 1200
Save this Manual for future reference.
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