Global Machinery Company Trimmer LT550 User Manual

INSTRUCTION MANUAL  
55
Lin
Trim
• Melbourne •
Taipei • New York • Verona • London • Paris  
050524 ED5 JJ  
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Description of symbols  
Dear Customer  
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 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.  
Double insulated  
for additional protection.  
Conforms to relevant standards for  
electromagnetic compatibility.  
Use at a distance of at least  
5m from other people.  
If cordset is damaged remove it from the  
plug immediately and have it replaced by an  
authorised service centre.  
Do not use in the rain.  
Thrown objects and rotating line can  
cause severe injury.  
Environmental protection  
Sharp blade.  
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.  
Specifications  
Voltage:  
230–240Vac ~ 50Hz  
550W  
Input power:  
-1  
No load speed:  
Cut diameter (swathe):  
Line thickness:  
Spool type:  
11,000 min  
320mm  
1.2mm  
Automatic Feed  
96dB (A)  
3.4kg  
Sound pressure level:  
Tool weight:  
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.  
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.  
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.  
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.  
Do not overreach. Keep proper footing and balance at  
all times. This enables better control of the power tool  
in unexpected situations.  
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.  
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.  
Save these instructions  
Work area  
Keep work area clean and well lit. Cluttered and dark  
areas invite accidents.  
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.  
Keep children and bystanders away while operating  
a power tool. Distractions can cause you to lose  
control.  
Electrical safety  
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.  
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.  
Do not expose power tools to rain or wet conditions.  
Water entering a power tool will increase the risk of  
electric shock.  
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  
Additional safety rules for line trimmers  
Always wear adequate protective clothing when  
operating the machine to avoid injuries to face, eyes,  
hands, feet, head or hearing. Use safety glasses or a  
face shield, high boots or sturdy shoes, long trousers,  
work gloves, a hard hat and hearing protection.  
When starting up and when the machine is in  
operation, keep the cutting section away from all parts  
of the body, especially the hands and feet.  
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.  
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.  
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.  
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.  
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 cutting tools sharp and clean. Properly  
maintained cutting tools with sharp cutting edges are  
less likely to bind and are easier to control.  
Do not start the machine when it is upside down or  
when it is not in the operating position.  
Switch the motor off and pull out the plug when the  
machine is not being used, left unattended, being  
cleaned, being moved from one place to another or  
when the spool is being changed or the length of line  
manually adjusted.  
If there is an interruption to the power supply or the  
extension cable is damaged, switch off the machine  
immediately and remove the plug from the power  
point.  
Do not move the machine by pulling on the electrical  
cable. Always use the handgrip.  
Do not operate the machine near people, especially  
children or pets. Turn it off if they get too close.  
Maintain a safe distance of at least 5m from other  
people when using the machine.  
Keep a balanced and stable stance while using the  
machine.  
Ensure that the area being cut is free from strings,  
stones and debris.  
Do not cut against hard objects. This could cause injury  
to the operator and damage to the machine.  
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.  
Never use the machine without the guard. Never use  
the machine if the guard is damaged.  
Service  
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.  
5
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Warning. The guard is vital for your and other people’s  
Wear goggles  
Wear ear defenders  
Wear a breathing mask  
safety and for the machine’s operating efficiency.  
Do not try to stop the cutting device (nylon line) with  
your hands. Always let it come to a stop by itself.  
Warning. After switching off the machine, the cutting  
device continues to rotate for a few more seconds.  
Unpacking  
Due to modern mass production techniques, it is unlikely  
that your 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.  
Only use the original type of nylon line. Under no  
circumstances use metal line instead of nylon.  
Do not use the machine to cut grass which is not on  
the ground. For example, do not cut grass which is on  
walls or rocks.  
Do not switch on the machine in enclosed or poorly  
ventilated spaces or in the presence of inflammable  
and/or explosive substances such as liquids, gasses and  
powders.  
Only cut during broad daylight or with adequate  
artificial light.  
Contents of carton  
Blade guard  
Edging wheel  
Secondary handle  
4 Screws and washers  
Check that all grass cuttings and dirt have been  
removed from the ventilation vents.  
Do not cross roads or gravel paths with the machine  
still running.  
When the machine is not in use, store it in a dry place  
and out of reach of children.  
After use, disconnect the machine from the power  
supply and check for damage. If you have the slightest  
doubts, contact an authorised service centre.  
Only use the machine according to the instructions  
given in this manual.  
Check regularly that the screws are tight.  
Do not try to repair the machine or access internal  
parts. Contact authorised service centres only.  
Do not get distracted and always concentrate on what  
you are doing. Use common sense. Never operate the  
machine when you are tired, sick or under the influence  
of alcohol or other drugs.  
6
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2
Know your product  
Before using the line trimmer, familiarise  
yourself with all the operating features and  
safety requirements.  
This line trimmer is to be used for trimming  
soft, new growth only. Use the tool and  
accessories only for the applications  
intended. All other applications are  
expressly ruled out.  
14  
4
3
5
1
1.Extension cord securing hook  
2.Handle  
3.Trigger switch  
4.Lock-off button  
5.Secondary handle  
6.Telescopic shaft  
13  
7.Trimming head  
8.Guard  
6
9.Line cutting blade  
10. Automatic feed spool  
11. Spool button  
12. Edging wheel  
13. Telescopic shaft adjustment knob  
14. Handle rotating button  
15. Handle adjustment pedal  
15  
7
9
8
11  
10  
12  
7
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Fitting the secondary handle  
Assembly  
Fitting the guard and guide wheel  
1.Align the 4 screw holes  
in the guard (8) with the  
screw holes in the base  
of the unit.  
1.Hold in the secondary handle  
buttons and push the handle  
over them.  
2.To adjust the secondary  
handle press in the secondary  
handle buttons and rotate  
the handle to the desired  
position then release the  
buttons to lock it into place.  
1
1
Extension cord support  
There is a hole in the back of the handle of the line  
trimmer which is used as an extension cord retention  
device. To avoid detaching the extension cord always  
check that it is attached firmly during use.  
1.Make a loop in the extension cord and push it through  
the square hole in the back of the handle.  
2
2.Place the edging wheel  
over the 2 screw holes at  
the front section of the  
guard.  
3.Locate the 4 screws and  
washers and tighten  
them with a screwdriver.  
1
2
Note. Always ensure the  
cutting line blade guard  
(9) is fitted to the cutter  
blade whenever carrying out  
maintenance on the line  
trimmer.  
2.Place the end of the loop around the securing hook (1)  
and pull back on the cord so it is firmly held in place.  
Vertical handle adjustment  
Adjusting the telescopic  
handle  
1.Push the telescopic shaft  
adjustment knob (13)  
and hold, adjust the  
shaft to a comfortable  
height. Make sure the  
button clicks into position  
once the desired height  
has been selected.  
1
1
The handle can be adjusted  
so that it at horizontal with  
the ground, this feature helps  
you get access to areas such  
as under bushes and garden  
furniture.  
The handle can be lowered by  
pressing down on the handle  
8
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adjustment pedal (15) on the base of the line trimmer  
with your foot. Then move the handle downwards to the  
desired angle.  
3.Remove the cover from the  
line cutting blade (9).  
3
4.During operation to increase  
the cutting line simply  
switch the line trimmer off  
and then on again, this  
with restore the line to the  
correct length.  
Before starting  
Before use, check that the tool is in good working  
order and that the length of the trimmer line is correct,  
as follows:  
1. Ensure the switch is in the off position and disconnect  
the cable plug from the mains supply.  
Note. Only remove the cover  
from the cutting line blade  
2. Examine the general condition of the tool. Inspect  
the guard, switch, cordset and extension cord. Check  
for loose screws, misalignment, binding of moving  
parts, improper mounting, broken parts and any  
other condition that may affect its safe operation. If  
abnormal noise or vibration occurs during operation,  
turn the line trimmer off immediately and have the  
problem corrected.  
3. Ensure that you are on a flat surface and have secure  
footing.  
4. Check that the line touches or goes beyond the edge of  
the guard.  
when all operational checks have been carried out.  
Replace the cover when the line trimmer is not in use.  
Switching on and off  
1.Connect the extension cord  
to power.  
2.Press the lock-off button  
(4), then press the trigger  
switch (3).  
3.To switch off, release the  
trigger switch.  
WARNING. The tool runs for  
approximately 5 seconds after it has been switched off.  
Let the motor come to a complete standstill before setting  
the tool down.  
2
Increasing the cutting line  
1.Before starting ensure the  
cutting line is the correct  
1
length. Pull the cutting  
line to the edge of the  
guard (8).  
2.If the line is to short push  
down on the automatic  
feed spool (10) and at  
the same time pull the  
line out so that it extends  
a few centimeters past the edge of the guard.  
Trimming  
WARNING. Make sure that the work area is free of rocks,  
debris, lines and other foreign objects.  
1. Start the trimmer before approaching the grass to  
be cut.  
2. The automatic line feed mechanism releases 12mm  
from each line when the trimmer reaches a certain  
speed. If you need the spool to release more than  
12mm of line per side, release the trigger until the  
speed falls beyond the trigger point then press the  
switch again. As the speed picks up a further 12mm  
will be released for both lines.  
9
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3. Cut the grass by swinging the trimmer from right to  
left and proceed slowly keeping the trimmer inclined  
forwards at an angle of about 30°. Light cuts are better  
than heavy cuts as they allow the cut grass to fall away  
from the spool preventing the grass from clogging the  
spool.  
4. Start cutting nearest the mains power source and work  
away from it to make it easier to avoid the extension  
cord.  
3.You can now  
use the line  
trimmer as  
an edger. The  
wheel is used  
to guide the  
line trimmer  
along the  
Trimming  
Edgeing  
ground.  
5. High grass should be cut in layers always beginning  
from the top. Do not cut damp or wet grass. Do not  
overload your trimmer.  
6. Avoid wearing the line out quickly by knocking against  
hard objects (stones, walls, fences etc.).  
7. Watch out for kickbacks in the event of impact with  
hard objects.  
8. After finishing the cutting operation, keep the head  
close to ground level, release the switch and allow  
the motor to come to a complete standstill. Place the  
trimmer on the ground, switch off and remove the cable  
plug from the mains supply.  
Note. Periodically clean out the grass between the spool  
and the rim of the guard to prevent the tool  
from vibrating.  
Changing a line spool  
Warning. Ensure the cutting line blade cover is replaced.  
Note. Always unplug the trimmer before carrying out  
any maintenance or making any adjustments to the line  
trimmer.  
1.Turn the line trimmer upside  
down.  
2.Hold the spool holder firmly  
with one hand and with the  
other hand squeeze the tabs  
on either side of the spool  
cover and remove the cover.  
2
Using as an edger  
Note. Always unplug the trimmer before carrying out  
any maintenance or making any adjustments to the line  
trimmer.  
1.Press the handle rotating  
button (14) and rotate  
3.Remove the empty spool and  
clean out the spool cover.  
4.Align the cutaway sections in  
the spool opposite the eyelets  
and thread the two lines of  
the or new spool through  
4
1
the shaft 180 degrees, so  
it is facing so the handle  
is facing the opposite  
direction.  
the two eyelets in the spool  
holder and insert the spool.  
2.Release the rotating  
button (14), ensuring  
that the handle clicks  
into position.  
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5.Press the auto feed spool  
(10) and pull out the  
lines until they reach the  
outside edge of the guard.  
General inspection  
Regularly check that all the fixing screws are tight.  
They may vibrate loose over time.  
5
Storage  
6.Replace the spool cover  
ensuring that it is fully  
inserted.  
CAUTION. After changing  
the line spool, run the  
trimmer under no load for  
at least a minute to make sure that the line and the tool  
are both operating correctly. Use only the line spool as  
recommended by the manufacturer.  
1.Store the trimmer away from direct sunlight.  
2.Do not store in a nylon bag as this can encourage the  
formation of mould.  
3.At the end of the season, give the trimmer an overall  
cleaning and a thorough check.  
4.Do not leave the trimmer resting on the floor for  
extended periods as it could cause the shape of the  
guard to alter, posing a safety risk. Hang it off the floor  
by the top handgrip.  
Maintenance and cleaning  
1.Store the tool, instruction manual and accessories in  
a secure, dry place. In this way you will always have  
the information ready to hand.  
2.Keep the tool’s air vents unclogged and clean at  
all times.  
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.  
3.Remove dust and dirt regularly. Cleaning is best done  
with a rag.  
4.All bearings and bushes are lubricated for life.  
5.If the cordset is damaged or worn, it must be replaced  
by the manufacturer, or service agent or a similarly  
qualified person in order to avoid a hazard.  
6.Never use caustic agents to clean plastic parts.  
CAUTION. Do not use cleaning agents to clean the plastic  
parts of the tool. A mild detergent on a damp cloth is  
recommended. Water must never come into contact with  
the tool.  
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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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