Global Machinery Company Impact Driver IW1000 User Manual

900W  
1/2” I
IW1000  
INSTRUCTION M
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Introduction  
Description of symbols  
Your new GMC power tool will more than satisfy  
your expectations. It has been manufactured under  
stringent GMC Quality Standards to meet superior  
performance criteria.  
The rating plate on your tool may show symbols.  
These represent important information about the  
product or instructions on its use.  
Wear hearing protection.  
Wear eye protection.  
Wear breathing protection.  
You will find your new tool easy and safe to operate,  
and, with proper care, it will give you many years  
of dependable service.  
Double insulated for additional protection.  
CAUTION. Carefully read through this entire Instruction  
Manual before using your new GMC Power Tool. Take  
special care to heed the Cautions and Warnings.  
Conforms to relevant standards  
for electromagnetic compatibility.  
Your GMC power 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.  
Specifications  
Voltage:  
230–240Vac ~ 50Hz  
900W  
Input power:  
Environmental protection  
No Load Speed:  
Impacts Per Minute:  
Net Weight:  
2100min-1  
2700 IPM  
3.4kg  
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.  
Torque Output:  
Max 240ft/lb  
3
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e. When operating a power tool outdoors, use an  
extension cord suitable for outdoor use. Use of a cord  
suitable for outdoor use reduces the risk of electric shock.  
General safety instructions  
WARNING. Read all instructions. Failure to follow all  
instructions listed below may result in electric shock,  
fire and/or serious injury. The term “power tool” in all of  
the warnings listed below refers to your mains operated  
(corded) power tool or battery operated (cordless) power  
tool. Please familiarise yourself fully with the device, and  
understand how it works before operating it for the first time.  
3. Personal safety  
a. Stay alert, watch what you are doing and use  
common sense when operating a power tool.  
Do not use a power tool while you are tired or under  
the influence of drugs, alcohol or medication. A moment  
of inattention while operating power tools may result in  
serious personal injury.  
Save these instructions  
ꢀ. Work area  
b. Use safety equipment. Always wear eye protection.  
Safety equipment such as dust mask, non-skid  
safety shoes, hard hat, or hearing protection used for  
appropriate conditions will reduce personal injuries.  
a. Keep work area clean and well lit. Cluttered and dark  
areas invite accidents.  
b. Do not operate power tools in explosive  
atmospheres, such as in the presence of flammable  
liquids, gases or dust. Power tools create sparks which  
may ignite the dust or fumes.  
c. Avoid accidental starting. Ensure the switch is in the  
off position before plugging in. Carrying power tools with  
your finger on the switch or plugging in power tools that  
have the switch on invites accidents.  
c. Keep children and bystanders away while operating a  
power tool. Distractions can cause you to lose control.  
d. Remove any adjusting key or wrench before turning  
the power tool on. A wrench or a key left attached to a  
rotating part of the power tool may result in personal injury.  
ꢁ. Electrical safety  
a. Power tool plugs must match the outlet.  
Never modify the plug in any way. Do not use any  
adapter plugs with earthed (grounded) power tools.  
Unmodified plugs and matching outlets will reduce risk  
of electric shock.  
e. Do not overreach. Keep proper footing and balance at  
all times. This enables better control of the power tool in  
unexpected situations.  
f. Dress properly. Do not wear loose clothing or  
jewellery. Keep your hair, clothing and gloves away from  
moving parts. Loose clothes, jewellery or long hair can be  
caught in moving parts.  
b. Avoid body contact with earthed or grounded  
surfaces such as pipes, radiators, ranges and  
refrigerators. There is an increased risk of electric  
shock if your body is earthed or grounded.  
g. If devices are provided for the connection of dust  
extraction and collection facilities, ensure these are  
connected and properly used. Use of these devices  
can reduce dust related hazards.  
c. Do not expose power tools to rain or wet conditions.  
Water entering a power tool will increase the risk of  
electric shock.  
d. Do not abuse the cord. Never use the cord for  
carrying, pulling or unplugging the power tool.  
Keep cord away from heat, oil, sharp edges or moving  
parts. Damaged or entangled cords increase the risk of  
electric shock.  
4. Power tool use and care  
a. Do not force the power tool. Use the correct power tool  
for your application. The correct power tool will do the job  
better and safer at the rate for which it was designed.  
4
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Always wear safety glasses and using hearing  
protection during operation. Exposure to noise may  
cause hearing loss.  
b. Do not use the power tool if the switch does not turn  
it on and off. Any power tool that cannot be controlled  
with the switch is dangerous and must be repaired.  
Do not wear loose fitting clothing and jewellery which  
may become caught in moving parts and result in  
serious injury.  
Always use impact-quality sockets only. Do not use  
handtool sockets, damaged or sockets.  
Always ensure that sockets must be securely attached  
prior to use.  
Only use sockets that are in good condition.  
c. Disconnect the plug from the power source before  
making any adjustments, changing accessories, or  
storing power tools. Such preventive safety measures  
reduce the risk of starting the power tool accidentally.  
d. Store idle power tools out of the reach of children  
and do not allow persons unfamiliar with the power  
tool or these instructions to operate the power tool.  
Power tools are dangerous in the hands of untrained users.  
e. Maintain power tools. Check for misalignment or  
binding of moving parts, breakage of parts and any other  
condition that may affect the power tools operation. If  
damaged, have the power tool repaired before use. Many  
accidents are caused by poorly maintained power tools.  
Never trigger the tool when it has not been placed in  
applied to a work object.  
Sockets must be correctly attached.  
Disconnect the power supply before installing sockets or  
performing any maintenance.  
Avoid body contact with grounded surfaces such as  
pipes, radiators, ranges and refrigerators. There is an  
increased risk of electric shock if your body is grounded.  
f. Keep cutting/scraping tools sharp and clean. Properly  
maintained cutting/scraping tools with sharp cutting edges  
are less likely to bind and are easier to control.  
g. Use the power tool, accessories and tool bits etc.,  
in accordance with these instructions and in the  
manner intended for the particular type of power  
tool, taking into account the working conditions and  
the work to be performed. Use of the power tool for  
operations different from those intended could result in a  
hazardous situation.  
Do not expose power tools to rain or wet conditions.  
Water entering a power tool will increase the risk of  
electric shock.  
Avoid accidental starting. Check and make sure that the  
switch is off before plugging in. When carrying the tool be  
careful and pay attention to where you place your hand  
and fingers as the switch can invite accidents.  
Do not overreach. Keep proper footing and balance at all  
times. Proper footing and balance enables better control  
of the tool in unexpected situations.  
Do not use on a ladder or unstable support. Stable  
footing on a solid surface enables better control of the  
tool in unexpected situations.  
Keep the tool and its handle dry, clean and free from oil  
and grease. Always use a clean cloth when cleaning.  
Never use brake fluids, gasoline, petroleum based  
products, or any strong solvents to clean your tool.  
Following this rule will reduce the risk of loss of control  
and deterioration of the enclosure plastic.  
5. Service  
a. Have your power tool serviced by a qualified repair  
person using only identical replacement parts. This  
will ensure that the safety of the power tool is maintained.  
Additional safety rules for impact wrenches  
This impact wrench kit is designed for removing and  
installing nuts and bolts, and has been designed as a  
general purpose tool kit for DIYers and hobbyists.  
Disconnect the impact wrench from the power supply  
before changing tools or accessories, servicing and  
during non-operation.  
5
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Remove the plug from the socket before carrying out any  
adjustment, servicing or maintenance.  
If in doubt, do not plug in the tool. Using a power source  
with a voltage less than the nameplate rating is harmful to  
the motor.  
When an extension cable is required, you must ensure it  
has the right ampere rating for your power tool and is in a  
safe electrical condition.  
The tool must be used only for its prescribed purpose.  
Any use other than those mentioned in this Manual will  
be considered a case of misuse. The user and not the  
manufacturer shall be liable for any damage or injury  
resulting from such cases of misuse.  
Fully unwind cable drum extensions to avoid potential  
overheating.  
Ensure your mains supply voltage is the same as your  
tool rating plate voltage.  
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 frail 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.  
Your tool is double insulated for additional protection  
against a possible electrical insulation failure within  
the tool.  
Always check walls, floors and ceilings to avoid hidden  
power cables and pipes.  
Be careful, after long working periods external metal parts  
and accessories could be hot.  
Do not put pressure on the impact wrench, such that it  
slows the motor down. Allow the impact wrench socket to  
operate without pressure. You will get better results and  
you will be taking better care of your tool.  
The manufacturer shall not be liable for any changes made  
to the tool nor for any damage resulting from such changes.  
Even when the tool is used as prescribed it is not possible to  
eliminate all residual risk factors. The following hazards may  
arise in connection with the tool’s construction and design:  
Always switch off before you put the impact wrench down.  
Ensure that the lighting is adequate.  
Keep the area free of tripping hazards.  
Damage to the lungs if an effective dust mask is  
not worn.  
Do not touch the socket after operation. It may be hot.  
Do not let anyone under 18 years operate this tool.  
Damage to hearing if effective ear protectors are  
not worn.  
Rags, cloths, cord, string and the like should never be left  
around the work area.  
Wear goggles  
Support the work properly.  
Wear ear muffs  
If you are interrupted when operating the tool, complete  
the process and switch off before looking up.  
Wear a breathing mask  
Periodically check that all nuts, bolts and other fixings are  
properly tightened.  
When using the impact wrench, use safety equipment  
including safety glasses or shield, ear protectors, and  
protective clothing including safety gloves. Wear a dust  
mask if required.  
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Contents of carton  
1/2” Impact wrench  
Kitbox  
Assembly  
The GMC impact wrench is packed, fully assembled except  
for the impact socket. Please select the required impact  
socket and insert correctly (refer to the socket change  
section of this manual).  
Instruction manual  
7
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Know your product  
1. Drive Shank  
2. Trigger Switch  
3. Replaceable Brushes  
4. Handle/Grip  
3
5. Power Cord  
4
5
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Unpacking  
Operation  
Due to modern mass production techniques, it is unlikely  
that your GMC Power Tool is faulty or that a part is missing.  
If you find anything wrong, do not operate the tool until the  
parts have been replaced or the fault has been rectified.  
Failure to do so could result in serious personal injury.  
Starting & stopping  
1. Check the rating label on  
the impact wrench indicates  
230V–240V.  
2. Plug the cordset into the  
mains socket.  
Assembly  
Installing and Removing Sockets  
3. Squeeze the trigger switch (2)  
to start the impact wrench.  
CAUTION. Always ensure that the impact wrench is  
switched off and the plug is removed from the power point  
before making any adjustments.  
4. Release the trigger switch to  
stop the motor.  
Use only sockets designed for impact wrenches. Always  
select the correct size impact socket for nuts and bolts. Using  
the wrong size socket may damage the nut or bolt and cause  
the fastening torque to be inaccurate or inconsistent.  
CAUTION. Always maintain a tight control of the tool when  
switching on and off. Remember the motor will continue to  
run for a short time after switching off.  
Direction Of Rotation/Forward and Reverse  
1. Unplug the wrench.  
The impact wrench has a rocker-type trigger switch for  
operating the wrench in forward or reverse. To operate  
the wrench in the forward direction, depress the lower half  
of the switch (2). To operate the wrench in reverse, depress  
the upper half of the switch. To stop the wrench, release  
the switch trigger and allow the motor to come to a  
complete stop.  
2. Select the required socket.  
3. Firmly push the socket onto the drive shank until the hog  
ring locks it into place.  
4. To remove the socket, pull it away from the drive shank.  
Reverse  
Forward  
9
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WARNING. Wear safety goggles, a dust mask and ear  
defenders.  
Using the impact wrench  
The impact wrench can be used for driving nuts and  
bolts using an impact socket and is suitable for many  
DIY applications.  
WARNING. Do not use the impact wrench in wet or  
damp conditions.  
Operating the Impact Wrench  
Trouble shooting  
Correct fastening torque may be determined by the kind  
of bolt, the size of the bolt or the material of the workpiece.  
Trouble  
Problem  
Suggested remedy  
Ensure that the cord  
is connected to the  
power supply  
It is recommended that a test is performed prior to the final  
operation, in order to determine the fastening time for the  
nut or bolt you are using.  
Power cord  
not plugged in  
Power fault,  
fuse or circuit  
breaker tripped  
When using the impact wrench follow the below procedure:  
1. Hold the tool pointed straight at the nut or bolt.  
Check the  
power supply  
Use authorised  
Cord damaged service centre to  
repair or replace  
Tool will  
not start  
Use authorised  
Faulty switch  
Faulty motor  
service centre to  
repair or replace  
Use authorised  
service centre to  
repair or replace  
2. Depress the switch and fasten for the fastening time.  
3. After fastening, always check the torque with a torque  
wrench.  
Carbon brush Replace the  
worn off carbon brush  
Impact Time  
Extension cord Use extension cord  
Many variables exist that will cause the available torque of  
the fastener to vary considerably. The optimum impact time  
is approximately 6 seconds.  
too long or  
undersized  
heavy enough to  
carry the current  
Poor  
performance  
Use authorised  
service centre to  
repair or replace  
Note. Using an universal joint or extension bar may reduce  
the fastening force of the impact wrench and thus the  
application may require longer fastening time.  
Visible spark  
Short of  
lubricant  
Use authorised service  
centre to add lubricant  
WARNING. The machine and the tool attachments  
may become warm when being used for a long time. If  
this occurs turn the machine off and place it in a safe  
environment and allow to cool down. Do not attempt to  
touch the metal blades after prolonged application as they  
will be hot and may burn. Do not overload the machine and  
always allow it to cool between the individual work steps.  
Tool is  
overheating  
Turn off the tool and  
let it cool down to room  
temperature  
Overtime  
running  
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Maintenance  
Brush replacement  
WARNING. Always ensure that the tool is switched off and  
the plug is removed from the power point before making any  
adjustments or maintenance procedures.  
The impact wrench has externally accessible brush  
assemblies that should be periodically checked for wear.  
To check and replace the brushes follow the below  
instructions.  
1. Keep the tool’s air vents unclogged and clean at all times.  
1. Unplug the impact wrench.  
2. Regularly check to see if any dust or foreign matter has  
entered the grills near the motor and around the on/off  
switch. Use a soft brush to remove any accumulated dust.  
Wear safety glasses to protect your eyes whilst cleaning.  
2. With a flathead screwdriver,  
remove the bush caps. The  
brush assembly is spring  
loaded and will pop out when  
you remove the brush cap.  
3. If the body of the tool needs cleaning, wipe it with a soft  
damp cloth. A mild detergent can be used but nothing like  
alcohol, petrol or other cleaning agents.  
3. Remove the brush assembly  
(brush and spring). Check for  
wear. If worn, replace.  
4. Never use caustic agents to clean plastic parts.  
CAUTION. Water must never come into contact with  
the tool.  
Note: always replace in pairs.  
Do not replace one side without  
replacing the other.  
5. Lubricate all moving parts at regular intervals.  
Note. Do not at any time let brake fluid, petrol or petroleum-  
based products, penetrating oils, etc., come in contact with  
plastic parts. They can damage, weaken or destroy plastic  
which may result in serious personal injury.  
4. Replace the brush assembly.  
5. Replace the brush cover and  
tighten with a screwdriver.  
Note: be careful not to  
overtighten.  
Electric tools used on fibreglass material, wallboard,  
spackling compounds, or plaster are subject to accelerated  
wear and possible premature failure because the fibreglass  
chips and grindings are highly abrasive to bearings,  
brushes, commutators, etc. Consequently, we do not  
recommend using this tool for extended work on these  
types of materials. However, if you do work with any of  
these materials, it is extremely important to clean the tool  
using compressed air.  
General Inspection  
Regularly check that all the fixing screws are tight.  
They may vibrate loose over time.  
Power cord maintenance  
If the supply cord needs replacing, the task must be carried  
out by the manufacturer, the manufacturer’s agent, or an  
authorised service centre in order to avoid a safety hazard.  
ꢀꢀ  
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GMC customer assist  
If your product needs repairing, replacing,  
technical service or you simply need help or advice,  
please contact us on our Customer Assist Line  
ꢀ300 880 00ꢀ (Australia) or 0800 445 7ꢁꢀ (New Zealand).  
For prompt service we suggest you log your service request  
online at www.gmcservice.com.au. Should you not have  
access to the Internet, please contact our service department  
on ꢀ300 880 00ꢀ (Australia) or 0800 445 7ꢁꢀ (New Zealand).  
7am 7pm, 7days a week (AEST).  
Please note that if repair or replacement is required,  
you must provide a valid original purchase receipt.  
You will need the following details at hand to log your service request;  
Personal details: First & Last name, address, pick up address,  
contact phone numbers, email address  
Product details: Product number, date of purchase, retailer bought from,  
State & postcode, receipt number, reason for the request,  
copy of official purchase receipt  
Attach your purchase receipt and save with this Manual for future reference.  
Please refer to our website www.gmcompany.com for full GMC warranty Terms and Conditions.  
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