CORDLESS
3 GEAR
HAMMER DRILL
3G12V, 3G144V, 3G18V, 3G18VM, 3G24V, 3G24VM
INSTRUCTION MANUAL
1
Contents
Warranty Power Tools
Whilst every effort is made to ensure your complete
satisfaction with this tool, occasionally, due to the mass
manufacturing techniques, a tool may not live up to our
required level of performance and you may need the
assistance of our service department.
This product is warranted for a 2-year period for home
domestic use from the date of the original purchase.
If found to be defective in materials or workmanship,
the tool or the offending faulty component will be repaired
or replaced free of charge with another of the same item.
small freight charge may apply. Proof of purchase is
essential. We reserve the right to reject any claim where
the purchase cannot be verified.
This warranty does not include damage or defects to the
tool caused by or resulting from abuse, accidents,
alterations or commercial or business use. It also does not
cover any bonus items or included accessories. Only the
powertool is covered under this warranty.
With continuing product development, changes may have
occurred which render the product received slightly
different to that shown in this instruction manual.
Please ensure that you store your receipt in a safe place.
Conditions apply to the above warranty. For full details of
the warranty terms and conditions please refer to our
website – www.gmcompany.com
For prompt service we suggest you log your service
request online - www.gmcservice.com.au, should you
not have access to the internet, please contact our
service department on 1300 880 001 (Australia)
or 0800 445 721 (New Zealand).
Warranty 2
Introduction 3
Environmental protection 3
Description of symbols 3
Specifications 4
General safety rules 5
Additional safety instructions for drills 6
Additional safety instructions for charger 7
Additional safety instructions for battery pack 8
Unpacking 8
Know your product 9
Adjustable side handle 10
Inserting and removing bits 10
Fitting and removing the battery pack 10
Battery charging 11
To obtain the best life for the battery 11
Battery indicator 11
LED Work area light 12
Trigger switch 12
Forward/Reverse control 12
Variable speed 12
Drilling positions 12
Torque adjustment/hammer selection collar 13
3 Speed gearbox 13
Screw driver bit storage 13
Chuck replacement 13
Drilling metals 14
Drilling plastics and plastic coated chipboard 14
Drilling masonry 14
Drilling wood 14
All drilling operations 14
Care 15
Maintenance 15
Power cord maintenance 15
2
Introduction
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.
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 Power Tool. Take
special care to heed the Cautions and Warnings.
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.
Environmental protection
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
.
Description of symbols
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.
Double insulated for additional protection.
Conforms to relevant standards
for electromagnetic compatibility.
3
Specifications
3G12V 3G144V 3G18V/3G18VM 3G24V/3G24VM
Charger
Charging time
Batteries
Nominal battery
voltage
Gear
Switch
Torque settings
Drill chuck
capacity
Weight
Maximum torque
Maximum drill no-load speed
Low
Medium
High
Hammer impact frequency
Low
Medium
High
Maximum drilling capacity
Steel
Wood
Concrete
230 – 240 Vac, 50Hz
45W 14Vdc, 2A
1 Hour 1 Hour 1 Hour 1 Hour
2 x 1.5Ah 2 x 1.5Ah 2 x 1.7Ah 2 x 1.7Ah
12V 14.4V 18V 24V
Three speed Three speed Three speed Three speed
Variable speed Variable speed Variable speed Variable speed
20 positions 20 positions 20 positions 20 positions
10mm Keyless 10mm Keyless 13mm Keyless 13mm Keyless
2.4kg 2.5kg 2.9kg 3.2kg
17.65 Nm 20.6 Nm 36.3 Nm 45.15 Nm
0 – 330min
0 – 570min
0 – 1300min
0 – 4950 BPM 0 – 5775 BPM 0 – 5775 BPM 0 – 6000 BPM
0 – 8550 BPM 0 – 10050 BPM 0 – 10050 BPM 0 – 10500 BPM
0 – 19500 BPM 0 – 22500 BPM 0 – 22500 BPM 0 – 24000 BPM
10mm 10mm 13mm 13mm
25mm 28mm 38mm 38mm
10mm 10mm 13mm 13mm
230 – 240 Vac, 50Hz
50W 17Vdc, 2A
-1
-1
-1
0 – 385min
0 – 670min
0 – 1500min
-1
-1
-1
230 – 240 Vac, 50Hz
65W 21Vdc, 2.1A
0 – 385min
0 – 670min
0 – 1500min
-1
-1
-1
230 – 240 Vac, 50Hz
85W 28Vdc, 2.3A
0 – 400min
0 – 700min
0 – 1600min
-1
-1
-1
4
General safety rules
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.
Save these instructions
1. Work area
a. Keep work area clean and well lit.
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. Keep children and bystanders away while operating
a power tool.
2. Electrical safety
a. Power tool plugs must match the outlet. Never modify
the plug in any way.
earthed (grounded) power tools. Unmodified plugs and
matching outlets will reduce risk of electric shock.
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.
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.
e. When operating a power tool outdoors, use an
extension cord suitable for outdoor use.
suitable for outdoor use reduces the risk of electric shock.
Distractions can cause you to lose control.
Do not use any adapter plugs with
Cluttered and dark
Use of a cord
3. Personal safety
a. Stay alert, watch what you are doing and use
common sense when operating a power tool.
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.
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.
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.
d. Remove any adjusting key or wrench before
turning the power tool on.
attached to a rotating part of the power tool may result in
personal injury.
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.
moving parts. Loose clothes, jewellery or long hair can be
caught in moving parts.
g. If devices are provided for the connection of dust
extraction and collection facilities, ensure these are
connected and properly used.
can reduce dust related hazards.
4. Power tool use and care
a. Do not force the power tool.
for your application. The correct power tool will do the job
better and safer at the rate for which it was designed.
b. Do not use the power tool if the switch does not turn
it on and off.
with the switch is dangerous and must be repaired.
Keep your hair, clothing and gloves away from
Any power tool that cannot be controlled
A wrench or a key left
Use of these devices
Use the correct power tool
Do
5