Global Machinery Company Drill MX1G100 User Manual

1000W 13mm  
HAMMER DRILL  
MX1G100  
INSTRUCTION MANUAL  
Black  
Cyan  
Magenta  
Yellow  
Code: MX1G100  
Date: 060223  
Edition: 07  
Op: DCR  
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Dear Customer  
Description of symbols  
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  
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.  
0800 445 721 in New Zealand.  
Wear breathing protection.  
Introduction  
Double insulated  
for additional protection.  
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.  
Conforms to relevant standards for  
electromagnetic compatibility.  
You will find your new tool easy and safe to operate,  
and, with proper care, it will give you many years  
of dependable service.  
Specifications  
CAUTION. Carefully read through this entire Instruction  
Manual before using your new GMC Power Tool. Take  
special care to heed the Cautions and Warnings.  
Voltage:  
230–240V ~ 50Hz  
1000W  
Input power:  
-1  
No load speed:  
Number of impacts:  
Chuck size:  
0 - 2800 min  
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.  
43200 BPM  
13mm  
Maximum drilling capacity:  
Wood:  
Steel:  
25mm  
10mm  
Masonry: 13mm  
Environmental protection  
Net weight:  
2.5kg  
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.  
3
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When operating a power tool outdoors, use an  
outdoor extension cord suitable for outdoor use.  
Use of a cord suitable for outdoor use reduces the risk of  
electric shock.  
Safety instructions  
WARNING. Read and understand 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 below refers to your mains-  
operated (corded) power tool or battery-operated (cordless)  
power tool.  
Personal safety  
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  
Keep work area clean and well lit. Cluttered and dark  
areas invite accidents.  
Use safety equipment. Always wear eye protection.  
Safety equipment such as a dust mask, non-skid  
safety shoes, hard hat, or hearing protection used for  
appropriate conditions will reduce personal injuries.  
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.  
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.  
Keep children and bystanders away while  
operating a power tool. Distractions can cause you  
to lose control.  
Electrical safety  
Remove any adjusting key or wrench before turning  
the tool on. A wrench or a key that is left attached to  
a rotating part of the power tool may result in personal  
injury.  
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  
Do not overreach. Keep proper footing and balance at  
all times. This enables better control of the power tool in  
unexpected situations.  
risk of electric shock.  
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.  
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.  
Do not expose power tools to rain or wet conditions.  
Water entering a power tool will increase the risk of  
electric shock.  
If devices are provided for the connection of dust  
extraction and collection facilities ensure that these  
are connected and properly used. Use of these  
devices can reduce dust-related hazards.  
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
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Power tool use and care  
Service  
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.  
Have your power tool serviced by a qualified repair  
personnel using only identical replacement parts.  
This will ensure that the safety of the power tool is  
maintained.  
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.  
Additional safety rules for drills  
Wear ear protectors with impact drills. Exposure to noise  
can cause hearing loss.  
Use auxiliary handles supplied with the tool. Loss of  
control can cause personal injury.  
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.  
If possible, always use clamps or a vice to hold  
your work.  
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.  
Always switch off before you put the drill down.  
Ensure that the lighting is adequate.  
Do not put pressure on the drill, such that it slows the  
motor down. Allow the drill bit to cut without pressure. You  
will get better results and you will be taking better care of  
your tool.  
Maintain power tools. Check for misalignment or  
binding of moving parts, breakage of parts and any other  
condition that may affect the power tool’s operation. If  
damaged, have the power tool repaired before use. Many  
accidents are caused by poorly maintained power tools.  
Keep the area free of tripping hazards.  
Do not let anyone under 18 years operate this tool.  
Only use accessory bits in good condition.  
Keep cutting tools sharp and clean. Properly  
maintained cutting tools with sharp cutting edges are less  
likely to bind and are easier to control.  
Before drilling, check that there is sufficient clearance for  
the drill bit under the workpiece.  
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 intended could result in a  
hazardous situation.  
Do not touch the bit after operation. It will be very hot.  
Keep your hands away from under the workpiece.  
Never use your hands to remove sawdust, chips or waste  
close by the bit.  
Rags, cloths, cord, string and the like should never be left  
around the work area.  
Support the work properly.  
If you are interrupted when operating the drill, complete  
the process and switch off before looking up.  
5
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Periodically check that all nuts, bolts and other fixings are  
properly tightened.  
Contents of carton  
Auxiliary handle  
Depth gauge  
100 Drill and Bit accessories  
12 x HSS drill bits  
When using the drill, use safety equipment including  
safety glasses or shield, ear protectors, and protective  
clothing including safety gloves. Wear a dust mask if the  
drilling operation creates dust.  
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.  
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.  
- 2 each of 2mm, 3mm, 4mm, 5mm, 5.5mm  
and 6mm  
6 x Wood drill bits  
- 2 each of 4mm, 5mm & 6mm  
66 x 25mm Screwdriver bits  
- 3 each of slotted bits 3mm, 4mm, 5mm, 5.5mm,  
6mm and 7mm  
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.  
- 3 each of phillips #0, #1, #2 and #3  
- 3 each of pozi #0, #1, #2 and #3  
- 1 each of star T10,T15,T20,T25,T30 and T40  
- 1 each of square S0,S1,S2 and S3  
- 1 each of hex metric 2mm, 2.5mm, 3mm, 4mm,  
5mm, 6mm and 7mm  
- 1 each of hex imperial 5/64”, 3/32”, 1/8”, 5/32”,  
3/16”, 1/4” and 9/32”  
6 x 50mm Screwdriver bits  
- 1 each of slotted 4mm, 5mm and 6mm  
- 1 each of phillips #1, #2 and #3  
9 Nut drivers  
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:  
- 1 each of 5mm, 6mm, 7mm, 8mm, 9mm,  
10mm, 11mm, 12mm and 13mm  
1 Screwdriver bit holder  
Damage to the lungs if an effective dust mask is  
not worn.  
Unpacking  
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.  
Damage to hearing if effective ear protectors are  
not worn.  
6
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Know your product  
1. Keyless chuck  
2. Auxiliary handle  
3. Depth gauge  
4. Drilling/hammer mode selector  
5. Lock-on button  
6. Forward/Reverse selector  
7. Variable speed trigger switch  
8. Speed dial  
9
4
6
9. Spindle lock button  
3
1
5
7
8
2
7
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Auxiliary handle and  
depth gauge  
Inserting and  
removing bits  
1. Turn the auxiliary handle (2)  
anti-clockwise to loosen the  
collar and slip it over the chuck  
onto the drill.  
CAUTION. Always ensure that  
the drill is switched off and  
the plug is removed from the  
power point before making any  
adjustments.  
2. Insert the depth gauge (3)  
in the hole at the top of the  
handle (2).  
The drill is fitted with a keyless  
chuck for easier tightening and  
more grip torque.  
3. The auxiliary handle can swivel  
360° for the most comfortable  
position and easiest operation.  
1. Open the chuck jaws by  
pressing down the spindle lock  
button (9), firmly holding the  
keyless chuck (1) and rotating  
the housing in an anti-clockwise  
direction.  
4. The depth gauge helps keep  
an accurate depth when drilling  
holes to a set depth.  
5. To change the position of the  
depth gauge, turn the handle  
grip anti-clockwise until the depth  
gauge is loose enough to slide  
through the hole.  
2. Open the jaws sufficiently so  
as to fit the desired accessory.  
Ensure the accessory is  
inserted so the jaws clamp  
securely on the smooth section  
of the drill bit.  
6. Set the depth, checking the  
depth with a steel rule for most  
accurate measurement and then  
turn the handle grip clockwise  
to tighten both the depth stop  
and the auxiliary handle in the  
required position.  
3. To firmly clamp the accessory  
in the chuck, grasp the chuck  
housing and rotate the chuck  
housing in a clockwise direction  
until you hear the “click”.  
8
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Operation  
Reversing the direction  
of rotation  
1. Operate the forward/reverse  
selector (6) on the top of  
the drill.  
Starting and stopping  
Operational controls  
1. Ensure that the tool is in  
good condition.  
2. Push the selector to the  
position for forward action.  
2. Plug the cordset into the  
mains socket.  
3. Push the selector to the  
position for reverse action.  
3. Depress the trigger switch (7)  
to start the drill and release the  
trigger when you wish to stop.  
CAUTION. Any attempt to  
reverse the direction of rotation  
while the drill is turning is likely  
to permanently damage the  
switch.  
4. Press the lock-on button (5)  
whilst the trigger is depressed  
if you require continuous  
operation. To disengage the  
lock-on switch, press the trigger  
then release it.  
Drilling/hammer mode selector  
You can use the drill for both hammer action  
and normal drilling.  
Variable speed trigger switch  
1. You can adjust the speed of the drill between zero  
and maximum by varying the pressure on the trigger.  
The harder you press on the trigger the faster the drill  
will operate.  
1. Use the drilling/hammer mode  
selector (4) to select hammer or  
drill action. The type of drilling  
selected is indicated by the  
symbol on each side of the drill.  
Speed adjustment  
2. Push the selector to for  
hammer action.  
1. You can change the maximum  
speed setting by turning the  
speed dial (8) located on the  
trigger switch.  
3. Push the selector to for  
drill action.  
CAUTION. Change the mode of action only when the drill  
has come to a complete standstill.  
NOTE. Hammer action drilling should only be preformed in  
the forward direction.  
9
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Chuck replacement  
Hints for use  
NOTE. When drilling into masonry the drilling rate is fast  
and burnout of the tip will occur if the drill bit is not  
constantly cleared.  
Use only correctly sharpened drill bits, which are suitable  
for the material being drilled.  
Always wear eye protection.  
Chuck removal  
The chucks of reversible drills are always fixed by a screw  
with left-hand thread. The screw, which is located in the  
centre of the chuck, must be removed before the chuck can  
be removed.  
To drill hard materials, firm pressure is required on the  
power tool. However, excessive pressure does not  
improve performance and places unnecessary pressure  
on the tool and its bit.  
1. Tighten the chuck around the shorter end of a hex key  
(not supplied) of 1/4” or greater size. Using a wooden  
mallet or similar object, strike the longer end in the  
clockwise direction. This will loosen the screw inside the  
chuck.  
When screw driving always use a pilot hole and set the  
speed dial to low. Press firmly on the screw head and pull  
the trigger gradually increasing the speed. It is always  
wiser to test the screw driving on a scrap piece of the  
same material you are using.  
2. Open chuck jaws fully.  
3. Insert a screwdriver into front of chuck between jaws to  
engage screw head. Remove screw by turning clockwise.  
Larger diameter holes in hard wood, steel and concrete  
have to be drilled at slower speeds. However, the motor  
must not be struggling with the operation. If the motor is  
struggling DO NOT continue working, pull the drill clear of  
the workpiece and run it on fast speed for a minute or so  
allowing the motor time to cool down before you attempt  
a little more of the work. If the job is too hard for the drill  
do not continue otherwise permanent damage to the  
motor will occur.  
4. Place a hex key in chuck and  
tighten. Using a wooden mallet or  
similar object, strike key sharply in  
the counterclockwise direction. This  
will loosen the chuck so that it can  
be unscrewed by hand.  
Chuck installation  
1. Screw the chuck on by hand as far as it will go and insert  
screw (LH thread).  
Wire brushing or sanding should be carried out on the  
highest speed.  
2. Tighten the chuck around  
the shorter end of a  
1/4” or large hex key (not  
supplied) strike the longer  
end in the clockwise  
direction with a wooden  
mallet.  
Concrete drilling should be carried out on the highest  
speed.  
DO NOT overload motor when drilling concrete.  
DO NOT use too much pressure as the hammer action  
relies on the drill bit being able to move back and forward in  
the hole being drilled.  
3. Remove the hex key and open the jaws fully. Tighten the  
screw in the centre of the chuck firmly.  
Always clear the flutes of the drill bit by removing it from the  
hole regularly.  
10  
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Wood drilling  
Masonry drilling  
For maximum performance use tungsten carbide-tipped  
masonry impact bits when drilling holes in brick, tile,  
concrete, etc.  
For maximum performance, use high speed steel bits for  
wood drilling.  
Move drilling mode selector to drilling mode  
.
Move drilling mode selector to hammer mode  
.
Secure the workpiece to prevent it from turning when  
drilling.  
Apply light pressure and medium speed for best results  
in brick.  
Begin drilling at a very low speed to prevent the bit from  
slipping off the starting point. Increase the speed as the  
drill bit bites into the material.  
Apply additional pressure and high speed for hard  
materials such as concrete.  
When drilling through holes, place a block of wood behind  
the workpiece to prevent ragged or splintered edges on  
the back side of the hole.  
When drilling in tile, practice on a scrap piece to  
determine the best speed and pressure.  
Cleaning  
Do not lock the trigger in the ‘on’ position when the drill  
may need to be stopped suddenly.  
1. Keep your machine and its cord clean. The outside of the  
machine can be cleaned using a damp soft cloth with a  
mild detergent if required.  
Metal drilling  
For maximum performance, use high speed steel bits for  
metal or steel drilling.  
2. Some maintenance products and solvents may damage  
the plastic parts; these include products containing  
benzene, trichloroethylene, chloride and ammonia.  
Move drilling mode selector to drilling mode  
.
3. Excessive sparking generally indicates the presence of  
dirt in the motor or abnormal wear on the carbon brushes.  
Use a centre punch to mark the hole location on  
the workpiece.  
4. Take special care to keep the ventilation inlets/outlets free  
from obstruction; cleaning with a soft brush followed by  
a compressed air jet will usually be sufficient to ensure  
acceptable internal cleanliness.  
Begin drilling at a very low speed to prevent the bit from  
slipping off the starting point.  
Maintain a speed and pressure which allows cutting  
without overheating the bit. Applying too much  
pressure will:  
5. Wear eye protection when carrying out cleaning.  
CAUTION. Do not use cleaning agents to clean the plastic  
parts of the drill.  
- Overheat the drill  
- Wear the bearings  
Power cord maintenance  
- Bend or burn bits  
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.  
- Produce off-centre or irregular shaped holes  
When drilling large holes in metal it is recommended to  
drill with a small bit at first, then finish with a larger bit.  
Also, lubricate the bit with oil to improve drilling action  
and increase bit life.  
11  
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Carefully read the entire Instruction Manual  
before using this product.  
Before returning this product for a Warranty Claim or any other reason  
Please Call 1300 880 001 (Australia) or 0800 445 721 (New Zealand)  
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.  
You are welcome to use this phone-in service to make suggestions or give comments about any GMC 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 change specifications without notice.  
Note: Specifications may differ from country to country.  
Helpline 1300 880 001 (Australia) or 0800 445 721 (New Zealand)  
and enter your receipt details.  
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 products.  
Save this Manual for future reference  
GMC Head Office:  
45-55 South Centre Road, Melbourne Airport, Victoria, Australia 3045  
Telephone (03) 8346 1100 Fax (03) 8346 1200  
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