Global Machinery Company Impact Driver ATI2K User Manual

INSTRUCTION MANUAL  
Air Impact  
Wrench Kit  
1/2” Square Drive  
• Melbourne • Perth • Auckland • Hong Kong • Shanghai  
ATIW1/2K  
Taipei • New York • Verona • London • Paris  
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031117 PR ED04  
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  
Square Drive:  
Free Speed:  
Max Torque:  
1/2”  
7,000RPM  
260FT/LB Reverse  
230FT/LB Forward  
Air Cons:  
Air Inlet:  
Net Weight:  
4CFM@90PSI  
1/4”PT  
2.04Kg  
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.  
Impact Mechanism:  
Rocking Dog  
General safety instructions  
Environmental protection  
To use these air tools 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 these  
tools. Children should be supervised at all times if they  
are in the area in which the tools are 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.  
Scope of product  
This product is suited for home and camping applications.  
It will allow you to power outdoor lights, sound system,  
small television and recharges your car battery.  
Warning. When using air operated 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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1. Keep the work area clean and tidy. Cluttered work  
12. Look after your tools. Keep tools sharp and  
clean for better and safer performance. Follow the  
instructions 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.  
13. Disconnect idle tools. Disconnect air tools from the  
air hose before servicing, when changing accessories  
and when the tool is not in use.  
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.  
14. Remove adjusting keys and wrenches. Check to see  
that keys and adjusting wrenches are removed from  
the tool before switching on.  
4. Store tools safely. When not in use, tools should be  
15. Avoid unintentional starting. Do not carry a  
locked up out of reach.  
connected air tool with your finger on the trigger.  
5. Do not force the tool. The tool will do the job  
better and safer working at the rate for which it was  
designed.  
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.  
16. Stay alert. Watch what you are doing. Use common  
sense. Do not operate an air tool when you are tired.  
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  
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.  
18. Guard against electric shock. Prevent body contact  
with grounded objects such as water pipes, radiators,  
cookers and refrigerator enclosures.  
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.  
19. Use only approved parts. When servicing, use only  
identical replacement parts. Use an authorised service  
facility to fit replacement parts.  
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.  
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.  
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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.  
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 that any attachments are securely assembled.  
injury to soft tissue areas such as eyes, ears, etc. Particles  
or objects propelled by the stream can cause injury.  
Risk of fire or explosion  
What could happen  
How to prevent it  
Abrasive tools such as sanders and grinders, rotating  
tools such as drills, and impact tools such as nailers,  
staplers, wrenches, hammers, and reciprocating saws  
are capable of generating sparks which could result in  
ignition of flammable materials.  
Never operate tools near flammable substances as  
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.  
Never connect to an air source that is capable of  
exceeding 200 psi.  
Always verify prior to using the tool that the air source  
has been adjusted to the rated air pressure range.  
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.  
5
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Risk to breathing inhalation hazard  
What could happen  
How to prevent it  
Abrasive tools, such as grinders, sanders, and cut-off  
tools generate dust and abrasive materials which can  
be harmful to human lungs and respiratory system.  
Always wear a face mask or respirator when using such  
tools.  
Some materials such as adhesives and tar, contain  
chemicals whose vapors could cause serious injury with  
prolonged exposure.  
Always work in a clean, dry, well ventilated area.  
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.  
Use only parts, fasteners, and accessories recommended  
by the manufacturer.  
Keep work area clean and free of clutter.  
Keep children and others away from work area during  
operation of the tool.  
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.  
Using inflator nozzles for duster applications can cause  
serious injury.  
DO NOT use inflator nozzles for duster applications.  
Air tools can become activated by accident during  
maintenance or tool changes.  
Remove air hose to lubricate or add grinding  
attachments, sanding discs, drills, etc. to the tool.  
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.  
6
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Risk to injury (cont.)  
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.  
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 tools such as  
grinding wheels, chisels, sockets, drills, nailers, staplers,  
etc., can fly apart during operation, propelling particles  
throughout the work area causing serious injury.  
Always use tool attachments rated for the speed of the  
air tool.  
Never use air tools which have been dropped, impacted  
or damaged by use.  
Use only impact grade sockets on an impact wrench.  
Do not apply excessive force to the tool, let the tool  
perform the work.  
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.  
Improperly maintained tools and accessories can cause Maintain the tool with care.  
serious injury.  
Keep a cutting tool sharp and clean. A properly  
maintained tool, with sharp cutting edges reduces the  
risk of binding and is easier to control.  
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.  
7
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Risk of electric shock  
What could happen  
Using air tools to attach electrical wiring may result in Never use nailer/staplers to attach electrical wiring  
electrocution or death. while energized.  
Contact with a “live” wire will also make exposed metal Avoid body contact with grounded surfaces such as  
How to prevent it  
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.  
Risk of entanglement  
What could happen  
How to prevent it  
Tools which contain moving elements, or drive other  
moving tools, such as grinding wheels, sockets, sanding  
discs, etc. 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  
Before using the impact wrench, familiarise yourself with  
all the operating features and safety requirements.  
Use the tool only for the applications intended. All other  
applications are expressly ruled out.  
1.Drive anvil  
1
2
3
2. Rubber nose guard  
3. Body  
4. Adjustable speed control  
5. Contoured pistol grip  
6. Air inlet  
7. Exhaust port  
8. Trigger  
9. Impact mechanism oil port  
4
8
9
5
6
7
9
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CAUTION: Impact sockets and accessories must be used  
Additional safety instructions  
with this tool. Do not use hand sockets and accessories.  
for impact wrenches  
Select the required impact socket. This tool has a  
1/2” square drive, use 1/2” deep sockets. Use 1/2”  
extensions only when needed.  
IMPORTANT: The use of air filters and air line lubricators is  
recommended.  
This air impact wrench kit is designed for removing and  
installing nuts and bolts. With one hammer (Rocking Dog)  
impact mechanism and useful accessories, this kit is used  
as a general purpose tool kit by DIYers and hobbyists.  
1.This impact wrench is a part of a high pressure system.  
Do not exceed maximum operating pressure of the air  
tool (90PSI). The impact wrench could explore and may  
result in death or serious injury.  
2.Disconnect the impact wrench from air compressor  
before changing tools or accessories, servicing and  
during non-operation.  
3.Always wear safety glasses and using hearing protection  
during operation.  
Maintenance  
This impact wrench requires lubrication before initial use  
and before and after each additional use throughout its life.  
Air motor lubrication  
1.Disconnect the impact wrench from the air supply and  
hold the tool upside down.  
2.Pull the trigger, put one teaspoon of air tool oil in the  
air inlet lubricating the air motor the air inlet (6), and  
then adjust the adjustable speed control (4) in both the  
forward and reverse directions to help circulate oil in the  
motor.  
4.Do not wear loose fitting clothing and jewellery which  
may become caught in moving parts and result in  
serious injury.  
5. Do not depress trigger when connecting the air hose.  
3.Reconnect the impact wrench to the air supply and  
cover the exhaust port (7) with a towel and run in both  
the forward and reverse directions for 20 seconds. Oil  
will discharge from the exhaust port when air pressure  
is applied. Any excess oil in the motor is immediately  
expelled from the exhaust port. Always direct exhaust  
port away from people or objects.  
6.Always use accessories fittings designed for use with air  
tools. Use impact-quality sockets only. Do not use hand-  
tool sockets, damaged or worn accessories.  
7.Never trigger the tool when not applied to a work object.  
Accessories must be securely attached.  
8.Make sure all connections are secure and check air hoses  
for weak or worn condition before each use.  
9.Disconnect air supply before installing or any maintenance.  
Impact mechanism lubrication  
1. Disconnect the air impact wrench from the air supply.  
2. Remove the allen head screw from the impact  
mechanism oil port (9) hole on the right side of the tool  
that has “OIL.  
3. Put three teaspoons of air tool oil in the oil port. Then,  
replace the screw.  
Operation  
Before each use:  
Drain water from air compressor tank and condensation  
from air lines. Refer to your air compressor instruction  
manual.  
CAUTION: Disconnect the tool from the air supply before  
4. Reconnect the impact wrench with the air supply  
and run for 20 seconds. Lubricate the whole impact  
mechanism by rotating the tool upside down and  
sideways while running the tool.  
lubricating or changing sockets.  
Lubricate tool, see “Maintenance” section in this manual.  
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5. Remove the screw and hold  
the oil port hole over a  
container to allow excess oil  
to drain.  
6. If the oil is dirty, repeat the  
procedure above until the oil  
comes out clear. Install the  
screw and tighten. The residual  
oil remaining in the impact  
mechanism chamber is all that is needed for proper  
lubrication  
General inspection  
1. Regularly check that all the fixing screws are tight.  
2. The supply cord of the compressor should be checked  
frequently for damage. If damaged, have the cordset  
replaced by an authorised service facility to avoid a  
hazard.  
Cleaning  
1. Keep the tool’s air vents unclogged and clean at all  
times.  
2. Remove dust and dirt regularly. Cleaning is best done  
with a soft brush or a rag.  
3. Re-lubricate all moving parts at regular intervals.  
4. If the body of the air tool needs cleaning, wipe it with  
a soft damp cloth. A mild detergent can be used but  
nothing like alcohol, petrol or other cleaning agent.  
Air supply  
Air supply MUST be greater than air requirement of the  
tool. Recommended air compressor is 3/4HP tank for  
intermittent use; 1.5HP or larger for heavier duty use  
Stoe  
5. Never use caustic agents to clean plastic parts.  
CAUTION: Water must never come into contact with the tool.  
The impact wrench must be lubricated before storing.  
Follow the air motor lubrication instructions. Only run for  
3 seconds instead of 20 seconds because more oil needs to  
remain in the tool when storing.  
Repairs  
1. Only an authorised service centre should carry out  
repairs on air tools.  
Adjustable speed control  
This impact wrench is equipped  
with a regulator for adjustable  
speed control (4). This switch is  
located at the rear of the tool.  
The impact wrench should NEVER  
be used to set torque. Use a  
torque wrench to set the torque.  
To remove nuts, set the regulator to the maximum setting.  
To install nuts, set the regulator to the minimum to  
medium setting. Do not over-tighten the nuts.  
Forward and reverse directions are controlled by rotating  
the speed control knob noted.  
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Troubleshooting  
Trouble  
Possible cause(s)  
Suggested remedy(s)  
1. No oil in tool.  
1. Lubricate the tool according to the  
lubrication instructions.  
Tool runs slowly or will not  
operate.  
2. Grit or gum in tool.  
2. Flush the tool with air tool oil, gum  
solvent, or an equal mixture of motor  
oil and kerosene.  
3. Low air pressure.  
3. a. Adjust the regulator on the tool to  
the maximum setting.  
b. Adjust the compressor regulator to tool  
maximum the tool is running free.  
4. Air hose leaks.  
5. Pressure drops.  
4. Tighten and seal hose fittings if leaks  
are found.  
5. a. Be sure the hose is the proper  
size. Long hoses or tools using  
large volumes of air may require  
a hose with an I.D. of 1/2” or  
larger depending on the total  
length of the hose.  
b. Do not use a multiple number of  
hoses connected together with  
quick connect fittings. This causes  
additional pressure drops and  
reduces the tool power.  
6. Worn rotor blade.  
7. Worn ball bearing.  
6. Replace rotor blade.  
7. Remove and inspect bearing for rust,  
dirt and grit. Replace or clean and  
regrease bearing with bearing grease.  
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Troubleshooting (cont.)  
Trouble  
Possible cause(s)  
Suggested remedy(s)  
1. Water in tank.  
1. Drain tank. Oil tool and run until no  
water is evident.  
Moisture blowing out of  
tool.  
2. Water in air hoses.  
2. a. Install a water filter.  
b. Install an air dryer.  
1. Lack of lubrication.  
1. Lubricate the air motor and impact  
mechanism.  
Impacts slowly or will not  
impact.  
2. Tool regulator set in wrong position.  
2. Adjust the regulator on the tool to  
the maximum setting.  
3. Inline regulator too low.  
1. Worn impact mechanism.  
3. Adjust regulators in the air system.  
1. a. Replace worn impact  
mechanism components.  
Impacts rapidly but will  
not remove bolts.  
b. Return impact wrench for repair.  
1. Broken impact mechanism.  
1. a. Replace broken impact  
mechanism components.  
Does not impact.  
b. Return impact wrench for repair.  
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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 1299  
Save this Manual for future reference.  
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