Global Machinery Company Lawn Mower RL 500 User Manual

INSTRUCTION MANUAL  
3.75HP  
Petrol  
• Melbourne • Perth • Auckland • Hong Kong • Shanghai  
RL500  
Taipei • New York • Verona • London • Paris  
050826 ED7 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.  
Conforms to relevant standards for  
electromagnetic compatibility.  
Introduction  
Wear hearing protection.  
Wear eye 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.  
You will find your new tool easy and safe to operate,  
and, with proper care, it will give you many years of  
dependable service.  
Wear breathing protection.  
Wear safety footwear.  
Wear safety gloves.  
Warning.  
CAUTION. Carefully read through this entire Instruction  
Manual before using your new GMC Power Tool. Take  
special care to heed the Cautions and Warnings.  
Read these instructions for use carefully.  
Use at a distance of at least 15m from  
other people.  
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.  
Thrown objects and rotating blades can  
cause severe injury.  
Explosive material.  
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.  
Extremely hot surface. Do not touch a hot  
muffler, gear box or cylinder, you may get  
burned. These parts get extremely hot from  
operation and remain hot for a short time after  
the unit is turned off.  
Caution before carrying out any operation stop  
the engine and disconnect the spark plug cap.  
Caution. Risk of hand and feet injuries  
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Thoroughly inspect the area where the equipment is to  
be used and remove all objects which may be thrown  
by the machine or damage the cutter assembly and the  
engine (stones, sticks, metal wire, bones, etc.)  
WARNING: DANGER! Engine fuel is highly flammable:  
– Store fuel in containers specifically designed for this  
purpose.  
– Refuel using a funnel and outdoors only. Do not smoke  
while refuelling or whenever handling the fuel.  
– Add fuel before starting the engine. Never remove the  
cap of the fuel tank or add fuel while the engine is  
running or when the engine is hot.  
– If fuel is spilled, do not attempt to start the engine but  
move the machine away from the area of spillage and  
avoid creating any source of ignition until the fuel has  
evaporated and the vapour dispersed.  
– Replace all fuel tanks and containers caps securely.  
Substitute faulty silencers.  
Specifications  
Engine:  
Speed:  
Width of cut:  
Blades:  
Height adjustment:  
Grass catcher capacity:  
Equivalent Spark plugs:  
3.75HP, 4 Stroke  
0 - 3000min-1  
18” 460mm  
4 Swing back  
10 Levels, 15-70mm  
60L  
CHAMPION RJ19LM  
DENSO W9LMR-US  
NGK BR2LM  
Sound pressure value:  
Weight:  
96dB(A)  
27kg  
Safety rules for petrol lawn mowers  
Training  
Read the instructions carefully. Get familiar with the  
controls and proper use of the equipment.  
Before use, always inspect the machine, especially the  
condition of the blades, and check that the screws and  
cutting assembly are not worn or damaged. Replace  
worn or damaged blades and screws in sets to preserve  
balance.  
Discharge openings must be guarded at all times. Do  
not remove the discharge guard or hold it up while  
mowing.  
It is advisable to wear suitable eye protection when  
operating the mower.  
Operation  
Do not operate the engine in a confined space where  
dangerous carbon monoxide fumes can collect.  
Mow only in daylight or good artificial light.  
If possible, avoid operating the equipment in wet grass.  
Always be sure of your footing on slopes.  
Only use the lawn mower for the purpose for which it  
was designed, i.e. for cutting and collecting grass. Any  
other use can be hazardous, causing damage to the  
machine.  
Never allow children or people unfamiliar with these  
instructions to use the lawn mower. Local regulations  
may restrict the age of the operator.  
Never use the lawn mower:  
– When people, especially children, or pets are nearby.  
– If the operator has taken medicine or substances that  
can affect his ability to react and concentrate.  
Remember that the operator or user is responsible for  
accidents or hazards occurring to other people or their  
property.  
Preparation  
While mowing, always wear sturdy footwear and long  
trousers. Do not operate the equipment when barefoot  
or wearing open sandals.  
Walk, never run and do not allow yourself to be pulled  
along by the lawn mower.  
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Mow across the face of slopes, never up and down.  
Exercise extreme caution when changing direction on  
slopes.  
and remove the cause of the vibration immediately).  
Stop the engine:  
– Whenever you leave the lawn mower unattended.  
Remove the key from models with electric starters.  
Do not mow on slopes of more than 20°.  
Exercise extreme caution when pulling the lawn- mower  
towards you.  
– Before refuelling.  
– Every time you remove or replace the grass-catcher.  
Stop the blade if the lawn mower has to be tilted for  
transportation when crossing surfaces other than grass,  
and when transporting the lawn mower to and from the  
area to be mowed.  
Never operate the lawn mower with defective guards, or  
without safety devices, such as the stoneguard and/or  
grass-catcher, in place.  
Do not change the engine governor settings or over  
speed the engine.  
On power-driven models, disengage the drive clutch  
before starting the engine.  
Start the engine carefully, following the instructions  
and keeping feet well away from the blade.  
Do not tilt the lawn mower when starting the engine.  
Start the engine on a flat surface that is free of  
obstacles and tall grass.  
Do not put hands or feet near or under rotating parts.  
Keep clear of the discharge opening at all times.  
Never pick up or carry a lawn mower while the engine is  
running.  
Reduce the throttle before turning off the engine and  
turn the fuel off when you have finished mowing,  
following the instructions in the engine handbook.  
When mowing, always keep to a safe distance from  
the rotating blade. This distance is the length of the  
handle.  
Never cut grass while walking backwards.  
Stop the engine before pushing mower across gravel  
drives, walks or roads.  
Maintenance and storage  
Keep all nuts, bolts and screws tight to be sure the  
equipment is in safe working condition. Regular  
maintenance is essential for safety and performance.  
Never store the equipment with fuel in the tank inside  
a building where vapour may reach a flame or a spark  
or a source of extreme heat.  
Allow the engine to cool before storing in an enclosed  
space.  
To reduce the fire hazard, keep the engine, exhaust  
silencer, battery compartment and fuel storage area  
free of grass, leaves, or excessive grease. Do not leave  
containers with grass cuttings in rooms.  
Stop the engine and disconnect the spark plug wire:  
– Before carrying out any work underneath the cutting  
deck or before unclogging the chute;  
Check the stone-guard and grass-catcher frequently for  
wear and deterioration.  
– Before checking, cleaning or working on lawn mower;  
– After striking a foreign object. Inspect the lawn mower  
for damage and make repairs before restarting and  
operating the lawn mower;  
If the fuel tank has to be drained, this should be done  
outdoors and when the engine is cool.  
Wear strong work gloves when removing and  
reassembling the blade.  
– If the lawn mower starts to vibrate abnormally (find  
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Check the blade’s balance after sharpening.  
For reasons of safety, do not use the equipment with  
worn or damaged parts. Parts are to be replaced and  
not repaired. Parts that are not of the same quality  
can damage the equipment and be dangerous for your  
safety.  
Whenever the machine is to be handled, transported or  
tilted you must:  
– wear strong working gloves;  
– grasp the machine at the points that offer a safe grip,  
taking account of the weight and its distribution.  
Damaged blades and worn bolts are major hazards.  
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.  
Contents of carton  
Handle bar locking knobs, with bolts and washers x2  
Catcher  
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1
3
2
13  
5
4
9
11  
7
8
12  
6
10  
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Assembly  
Cutting height adjustment  
The GMC mower has one lever to easily adjust the cutting  
height. There are 10 height settings.  
It is necessary to fit the lower handle (2), handle bar  
(1), and catcher (5) to the mower.  
1.To decrease the cutting height pull the height  
adjustment lever (6) out and move it up a notch,  
towards the handlebar.  
2.To increase the cutting height  
pull the lever out and move  
Attaching the grass catcher bag  
1.Lift up the discharge guard  
(4) and hook the catcher  
onto the rod.  
2.To remove the catcher, raise  
the discharge guard, grab the  
catcher by the handle and  
lift it off the bar.  
Note. Always empty the catcher  
before it has reached maximum capacity, otherwise it will  
decrease the performance of the mower.  
1
2
it down a notch, towards the  
motor.  
Note. If you are unsure of which  
cutting height to use, begin with  
a high setting and trial a small  
section of lawn, then check the  
appearance of the lawn. Then  
readjust if necessary.  
Attaching the Handles  
It is necessary to attach both  
the lower handle and handle  
bars.  
1.To attach the lower handle,  
first use a spanner to remove  
the 4 bolts.  
2.Place the lower handle in  
position and replace the 4  
bolts. Use the spanner to retighten the nuts.  
3.To attach the handle bar, first remove the two handle  
bar locking knobs (14).  
Fuelling  
Note. Use fresh unleaded petrol.  
1.Unscrew the fuel tank cap (7)  
and pour the unleaded petrol  
into the tank with the aid of a  
funnel.  
2.Fill the tank to approximately  
2.5 cm below the lowest  
portion of the neck to allow  
for fuel expansion. Be careful  
not to over fill.  
1
1
3.Be careful not to spill any petrol, if this happens, wipe  
the spill with a clean rag.  
3
3
4.Start the engine at least three meters away from the  
area where the fuel tank has been filled in order to  
avoid the risk of fire.  
WARNING. Never attempt to refuel the engine while it is  
running or still warm, allow it to cool before fuelling.  
Note. For further information refer to the Fuel  
Recommendations section in the Briggs & Stratton  
instruction manual.  
4.Position the handle bar over the lower handle and  
insert the two locking knobs, and tighten to secure the  
handles together.  
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2.Push the primer bulb firmly 5 times (for initial starting)  
or 3 times (for engine starting there after).  
Checking the oil  
Caution. The lawn mower is shipped without oil. Do not  
start your lawn mower before ensuring it has been filled  
with the right amount of correct grade oil. Refer to the  
oil recommendations section of the Briggs & Stratton  
instruction manual for this information.  
3
2
1.Move the lawn mower to  
1
a level surface and clean  
around the oil filter cap (8).  
2.Remove the oil filter cap  
with dipstick and wipe it  
with a clean cloth. Replace it  
and retighten the cap.  
3.Remove the dipstick again  
and check the oil level, the  
oil should be at the full  
mark.  
3.Pull the recoil starter (9) lightly until you feel resistance  
then pull quickly until the engine starts. Do not pull the  
cord with a jerk or release it until fully rewound.  
4.Once the lawn mower has started and warmed up move  
the throttle lever to the Run position.  
3
Stopping the engine  
To stop the engine, move the throttle lever (3) to the  
4.If oil is required add it slowly  
(the oil capacity is about 0.6  
litre), do not over fill.  
stop position.  
Cold Start  
5.Retighten the oil filter cap  
firmly before starting the  
engine.  
Run  
Starting the engine  
Note. Before starting the mower check the oil and fuel  
levels.  
Hot  
Start  
Stop  
Stop  
Position  
1.Move the throttle lever (3) to the cold start position.  
Mowing advice  
Cold Start  
Cold Start  
1.It is recommended to use the fast throttle setting and  
keep the engine running at maximum speed. This will  
deliver the best cut. If the speed of the engine slows  
this could indicate the mower is being overloaded, by  
trying to cut to much grass. Try mowing a narrower  
strip, mowing slower or raise the cutting height.  
1
Run  
Hot  
Start  
2.Sharp blades cut cleanly and efficiently, if the blade is  
dull it will tear the grass. This will result in the ends  
turning brown. When the blades no longer cut cleanly  
either sharpen them or replace them.  
Stop  
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3.To safely operate the mower ensure all four wheels are  
on the ground and be careful not to loose your footing  
or control of the mower. Be very careful when mowing  
uneven or rough ground. Keep a firm grip on the handle  
bar at all times, always walk, never run with the mower.  
4.For healthy growth, grass should not be cut too short.  
This can cause damage to the grass and allow weeds to  
develop.  
Emptying the grass catcher bag  
Note. Before making any adjustment or maintenance  
procedures to the mower ensure it is turned off and the  
spark plug cover is removed.  
1. To remove the catcher, raise the discharge guard, grab  
the catcher by the handle and lift it off the bar.  
2. Empty the grass from the catcher by holding it vertical,  
shake it if necessary to dislodge the full contents.  
5.Vary your cutting pattern from week to week, this will  
help to prevent matting and graining of the grass.  
Grass catcher maintenance  
6.Before checking a clogged mower deck stop the engine  
completely and disconnect the spark plug cover and  
then tilt the mower so the air filter side is facing  
upwards. Use a stick the clear any clogged material,  
never use your hands.  
7.Mowing wet grass should be avoided. Wet grass will  
clog the mower deck and if it is slippery you may loose  
your footing.  
Warning. Check the catcher bag frequently for damage or  
wear, and replace it if worn.  
The fabric grass catcher requires air to flow through the  
fabric for effective grass collection.  
Wash it if necessary to restore the open mesh in the fabric.  
Do not leave the fabric bag in direct sunlight, prolonged  
sun exposure can cause permanent breakdown of the  
material.  
8. Always mow across slopes not up and down them. Be  
extra careful if the grass is wet as this could cause you  
to slip and loose control of the mower.  
Do not leave clippings in the catcher for extended periods.  
Replacing the blades  
9.If the ground is to dry, mowing will stir up a lot of  
dust which may clog the air filter. In these conditions  
it is recommended to water your lawn the day before  
mowing.  
Note. Before making any adjustment or maintenance  
procedures to the mower ensure it is turned off and the  
spark plug cover is removed.  
Note. Wear heavy gloves to protect your hands.  
10. Use the side of the mower as a guide to cut close to  
large objects such as a fence or a wall. Be careful  
when mowing over obstacles embedded in the lawn  
such as sprinkler systems and paving, avoid anything  
that sticks up above the surface of the lawn.  
1.Tilt the mower back so the spark plug is facing up.  
2
3
11. Avoid mowing over loose stones, gravel and other  
landscaping material as this can be picked up by the  
mower and flung out causing serious personal injury.  
12. If the blades do come into contact with something  
or the mower starts to vibrate stop the engine  
immediately, remove the spark plug cover and inspect  
to see if there is any damage.  
2. Remove the blade disc with a spanner to remove the  
central blade bolt first.  
3.Remove all 4 single blades including the washer and nuts.  
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4.Clean dirt and grass from around the blade mounting area.  
5.Replace all 4 blades to  
5
ensure a smooth even cut.  
By replacing the washer, then  
the half washer, then the nut  
securing the blade firmly, (25  
- 30Nm) repeat this for the  
other 3 blades.  
6. Replace the blade disc and  
retighten the central blade  
bolt tightly (50 - 59Nm).  
Note. Use a wooden block to stop the blade from turning.  
The 4 blades should be tightened fully but check to ensure  
they can still swing back if they were to hit a solid object.  
Where required tighten the bolts with a torque wrench,  
the centre disc blade bolt torque: 50 - 59Nm and the four  
blades torque: 25 - 30Nm.  
If you do not have a torque wrench ask a mower service  
dealer to tighten the blade bolts before you use the  
mower.  
WARNING. If the blade bolts are not tightened correctly  
they could loosen and/or come out and it would be  
possible for the blades to fly off while you are operating  
the mower.  
Maintenance  
For all maintenance information refer to the Briggs &  
Stratton instruction manual.  
11  
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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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