Global Machinery Company Lawn Mower RL501A User Manual

4 STROKE  
PETROL  
LAWN MOWER  
RL501A  
INSTRUCTION MANUAL  
Code: RL501A IM  
Date: 071031  
Black  
Cyan  
Magenta  
Yellow  
Edition: 11  
Op: DJ  
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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.  
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.  
Wear hearing protection.  
Wear eye protection.  
Wear breathing 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.  
Wear safety footwear.  
Wear safety gloves.  
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.  
Warning.  
Read these instructions for use carefully.  
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.  
Use at a distance of at least 15m  
from other people.  
Thrown objects and rotating blades  
can cause severe injury.  
Noise label rating 75dBA  
(taken at 7.5 meters) you must wear  
ear protection at all times.  
Explosive material.  
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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Specifications  
Engine:  
Safety rules for petrol lawn mowers  
Training  
Read the instructions carefully. Get familiar with the  
controls and proper use of the equipment.  
GMC FOUR STROKE  
3000min-1  
Speed:  
Fuel Tank Capacity:  
Oil Tank Capacity:  
Width of Cut:  
Blades:  
1.5L  
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.  
0.6L  
460mm  
Never allow children or people unfamiliar with these  
instructions to use the lawn mower. Local regulations may  
restrict the age of the operator.  
4 Swing-back blades  
Height Adjustment:  
Single lever, 10 Levels  
18mm - 85mm  
Never use the lawn mower:  
– When people, especially children, or pets are nearby.  
Wheel Size:  
150mm (Front)  
180mm (Rear)  
– If the operator has taken medicine or substances that  
can affect his ability to react and concentrate.  
Equivalent Spark plugs: NGK - CR7E  
NHSP LD - B7RC  
Remember that the operator or user is responsible  
for accidents or hazards occurring to other people  
or their property.  
CHAMPION - RN11YC  
NHSP LD - F6RTC  
DENSO - X16EP  
NHSP LD - D7  
Preparation  
While mowing, always wear sturdy footwear and long  
trousers. Do not operate the equipment when barefoot  
or wearing open sandals.  
Weight (GW):  
29kg  
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.)  
Noise label rating 75dBA (taken at 7.5 meters) you must  
wear ear protection at all times.  
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.  
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– Replace all fuel tanks and containers caps securely.  
Substitute faulty silencers.  
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.  
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.  
Do not put hands or feet near or under rotating parts.  
Keep clear of the discharge opening at all times.  
Discharge openings must be guarded at all times. Do not  
remove the discharge guard or hold it up while mowing.  
Never pick up or carry a lawn mower while the engine  
is running.  
It is advisable to wear suitable eye protection when  
operating the mower.  
Stop the engine and disconnect the spark plug wire:  
Operation  
– Before carrying out any work underneath the cutting deck  
or before unclogging the chute;  
Do not operate the engine in a confined space where  
dangerous carbon monoxide fumes can collect.  
– Before checking, cleaning or working on lawn mower;  
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.  
– After striking a foreign object. Inspect the lawn mower for  
damage and make repairs before restarting and operating  
the lawn mower;  
– If the lawn mower starts to vibrate abnormally (find and  
remove the cause of the vibration immediately).  
Walk, never run and do not allow yourself to be pulled  
along by the lawn mower.  
Stop the engine:  
Mow across the face of slopes, never up and down.  
Exercise extreme caution when changing direction on slopes.  
Do not mow on slopes of more than 20°.  
– Whenever you leave the lawn mower unattended.  
Remove the key from models with electric starters.  
– Before refuelling.  
Exercise extreme caution when pulling the lawn-mower  
towards you.  
– Every time you remove or replace the grass-catcher.  
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.  
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.  
When mowing, always keep to a safe distance from the  
rotating blade. This distance is the length of the handle.  
Never operate the lawn mower with defective guards, or  
without safety devices, such as the stoneguard and/or  
grass-catcher, in place.  
Never cut grass while walking backwards.  
Stop the engine before pushing mower across gravel  
drives, walks or roads.  
Do not change the engine governor settings or over  
speed the engine.  
This machine is to be used exclusively for cutting natural  
grass. Never use the mower for other purposes. Any  
other utilization can involve danger for your safety and  
can involve damage to the mower.  
On power-driven models, disengage the drive clutch  
before starting the engine.  
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The user is responsible for the safety of other people,  
animals and objects in the working area. Keep children  
and domestic animals at a safe distance while the mower  
is in use.  
Operation safety instructions  
WARNING: Stop the engine and unplug the spark plug  
before any repairs or maintenance operations.  
Check that all nuts, bolts and screws are well tightened  
before every use.  
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.  
Before mowing ensure that the blade and the blade fixing  
screw are securely fastened. When the blade edges  
require re-sharpening, this must be done evenly on both  
sides to prevent any imbalance. If the blade is damaged,  
it must be replaced.  
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.  
When mowing always wear long trousers and strong,  
covered footwear.  
Allow the engine to cool before storing in an  
enclosed space.  
Do not run the engine in an enclosed and/or poorly  
ventilated area. The gas of the engine contains carbon  
monoxide, which is dangerous to your health.  
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.  
Work only when there is sufficient light.  
Do not use the lawn mower when it is raining or when  
the grass is wet.  
Check the stone-guard and grass-catcher frequently for  
wear and deterioration.  
Caution must be taken while mowing on slopes. Mow  
across the face of slopes, never down or up.  
If the fuel tank has to be drained, this should be done  
outdoors and when the engine is cool.  
Turn off the engine if you must leave the lawn  
mower unattended.  
Wear strong work gloves when removing and  
reassembling the blade.  
Never lift the rear of the mower while starting the  
engine and never place your hands and feet underneath  
the deck while the engine is running.  
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.  
If working on high grass, adjust the mowing height to  
reduce the friction and prevent over loading. The optimal  
mowing height should be 1/3 the height of the grass.  
It would affect the work efficiency of lawn mower if too  
higher or lower.  
Whenever the machine is to be handled, transported or  
tilted you must:  
– wear strong working gloves;  
Never change the rated speed of the engine in any way .  
Never lift or carry the mower while the engine is running.  
– grasp the machine at the points that offer a safe grip,  
taking account of the weight and its distribution.  
Stop the engine and remove the spark plug cover in  
these cases:  
Damaged blades and worn bolts are major hazards.  
Fuel goes off fairly quickly. If you find your mower  
does not start, 1st change the fuel in the tank with  
newly purchased fuel.  
- Before any operation under the deck.  
- Before any maintenance, repairing or checking operations.  
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- Before carrying, lifting or removing the mower.  
Unpacking  
- If you leave the mower unattended or change the  
cutting height.  
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.  
- After hitting a foreign object, stop the engine and check  
thoroughly the mower in order to see if it is damaged.  
Take the mower to an authorized service centre to carry  
out any repairs if necessary.  
Contents of carton  
Handle bar locking knobs, (including 2 bolts)  
- If the mower vibrates in an abnormal way, take the  
mower to an authorized service centre.  
Plastic 60L catcher  
- Check the bolts and nuts regularly. Bolts and nuts may  
vibrate loose over time.  
WARNING: Fuel is highly flammable.  
Keep fuel in a jerry can specially made for this purpose.  
Fill the fuel tank with a funnel and outside. Do not smoke  
or use a mobile phone during this process.  
Fill with fuel and oil before starting the engine. Never  
open the cap of the fuel tank to add gasoline while the  
engine is running or still hot.  
Do not start the engine if there is spilt fuel on the mower  
or in the area surrounding. Take the mower away from  
the zone where fuel has been split and avoid any  
contact from a hot source as long as the split gasoline is  
completely evaporated.  
Tighten the fuel tank cap and jerry can cap tightly.  
7
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Know your product  
1. Handle bar  
1
2. Lower handle  
3. Throttle Lever  
4. Wheel  
12  
5. Catcher  
3
2
6. Height adjustment lever  
7. Fuel tank cap  
8. Oil filler cap  
9. Recoil starter  
10. Spark plug cap  
11. Air filter  
13  
5
12. Brake Lever  
13. Handle bar locking knob  
14. Blade  
15. Blade bolt  
16. Discharge guard  
16  
7
9
6
8
11  
10  
14  
15  
4
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Note. Always empty the  
catcher before it has  
reached maximum capacity,  
otherwise it will decrease the  
performance of the mower.  
Assembly  
WARNING: Stop the engine and unplug the spark plug  
before any repairs or maintenance operations.  
It is necessary to fit the lower handle (2), handle bar (1),  
and catcher (5) to the mower.  
Assembling the catcher  
1. The grass catcher (5) is  
supplied in two sections.  
Locate the top half on top of  
the bottom half and interlock  
them together by aligning the  
lugs and slots and pushing the  
halves together until they click  
into place.  
Attaching the Handles  
It is necessary to attach both the  
lower handle and handle bars.  
1. To attach the lower handle  
(2), first use a spanner (not  
supplied) to remove the  
4 bolts.  
Attaching the catcher  
1. Lift the discharge guard (16) in  
order to position the catcher.  
2. Place the lower handle in  
position and replace the 4  
bolts. Use a spanner to retighten the nuts.  
2. While lifting the discharge  
guard, align the holes in the  
lower half of the catcher with  
the hooks on the mower deck  
(located under the discharge  
chute). Push the catcher onto  
the hooks in a downwards direction.  
3. To attach the handle bar (1), first remove the two handle  
bar locking knobs (13).  
4. Position the handle bar over the lower handle and insert  
the two locking knobs. Tighten to secure the handles  
together and in place.  
3. Push the catcher down until it locks into place.  
4. Release the discharge guard to secure the catcher in  
place between the 2 ribbed locking notches.  
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2. Fill the tank to approximately 2.5 cm below the lowest  
portion of the neck to allow for fuel expansion.  
Cutting height adjustment  
WARNING: Stop the engine and unplug the spark plug  
before any repairs or maintenance operations.  
Be careful not to over fill.  
3. Be careful not to spill any petrol, if this happens, wipe  
the spill with a clean rag.  
The GMC mower has one lever  
to easily adjust the cutting height.  
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.  
There are 10 height settings.  
1. To decrease the cutting height  
pull the height adjustment  
lever (6) out and move it up a  
notch, towards the handlebar.  
WARNING. Never attempt to refuel the engine while it is  
running or still warm, allow it to cool before fuelling.  
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.  
2. To increase the cutting height  
pull the lever out and move it  
down a notch, towards the engine.  
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  
WARNING. If mower is operated without fuel and 4 stroke  
oil, your warranty will be void.  
IMPORTANT. If mower is not used for an extended period  
of time (3 months or more) fuel and oil must be decanted  
(emptied) then replaced before the next use.  
Brake lever  
The mower is equipped with a  
brake lever (12) to improve the  
safety of the mower.  
1. Move the lawn mower to a level surface and clean  
around the oil filler cap (8) .  
During operation the brake lever  
must be held, if it is let go the  
engine will automatically stop.  
2. Remove the oil filler cap with dipstick and wipe it with a  
clean cloth. Replace it and retighten the cap.  
To start the lawn mower you  
must hold the brake lever to the  
handle bar.  
Fuelling  
IMPORTANT. Fuel goes off  
fairly quickly. If you find your  
mower does not start, 1st change  
the fuel in the tank with newly  
purchased fuel.  
Max  
3. Remove the dipstick again and check the oil level, the  
oil should be at the full (‘max’) mark.  
Note. Use fresh unleaded petrol.  
4. If oil is required add it slowly (the oil capacity is about  
0.6 litre), do not over fill.  
1. Unscrew the fuel tank cap  
(7) and pour unleaded petrol  
into the tank with the aid of a funnel.  
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5. Retighten the oil filler cap firmly before starting  
the engine.  
Running the engine  
Note. If the safety brake is removed, the engine will cut out.  
1. Once the engine  
warms up, move  
the throttle to RUN  
(WORKING) position.  
Starting the engine  
Note. Before starting the mower check the oil and fuel  
levels. Warranty will be void if the engine becomes faulty  
due to insufficient oil and fuel levels.  
Run  
1. Move the  
throttle lever  
(3) to the cold  
start position.  
2. Push the throttle to  
the suitable place, to  
achieve the required  
rotation speed.  
Run  
Cold  
Start  
Cold  
Start  
2. Disengage the  
brake by pulling  
the brake lever  
(12) toward the  
handle. Letting go of the lever  
will prevent the mower from  
starting or will stop the engine,  
if running.  
Stopping the engine  
To stop the engine  
reduce the speed of the  
engine by pulling the  
throttle lever (3) towards  
the tortoise and release  
the brake lever (12).  
Cold  
Start  
Run  
Cold  
Start  
In an emergency just  
release the brake lever.  
3. While holding the brake  
lever inward, 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.  
Mowing advice  
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 or the catcher may be full. Try mowing a  
narrower strip, mowing slower or raise the cutting height.  
4. Once the lawn mower has  
started and warmed up move  
the throttle lever to the either  
COLD START POSITION  
(recommended) or RUN while  
continuing to hold the brake  
lever.  
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.  
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.  
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4. For healthy growth, grass should not be cut too short.  
This can cause damage to the grass and allow weeds  
to develop.  
Maintenance  
Emptying the grass catcher  
Note. Before making any adjustment or maintenance  
procedures to the mower ensure it is turned off and the  
spark plug lead is removed.  
5. Vary your cutting pattern from week to week, this will  
help to prevent matting and graining of the grass.  
6. Before checking a clogged mower deck stop the engine  
completely and disconnect the spark plug lead 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.  
To remove the catcher, raise the guard while lifting the  
catcher to dislodge it from the hooks.  
WARNING. Check the catcher frequently for cracks and  
wear and replace it if damaged.  
Do not leave clippings in the catcher for extended periods.  
7. Mowing wet grass should be avoided. Wet grass will  
clog the mower deck and if it is slippery you may loose  
your footing.  
Replacing the blades  
WARNING. Stop the engine and unplug the spark plug  
before any repairs or maintenance operations.  
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.  
WARNING. Never carry out any assembly operations or  
adjustments with the engine running.  
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. Wear heavy gloves to protect your hands.  
Notes  
- Periodically check the blades (14) for nicks and dull  
cutting edges and have it sharpened if needed.  
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.  
- The blades should be sharpened and balanced by an  
authorised repair centre.  
- If there are rounded or broken  
ends, thinned metal or other  
damage, replace the blade.  
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.  
1. With the engine switched  
off, remove the catcher and  
lift the front of the mower  
upwards so the handle bar  
sits on the ground and the  
spark plug faces upwards.  
12. If the blades do come into contact with something or the  
mower starts to vibrate stop the engine immediately,  
remove the spark plug lead and inspect to see if there  
is any damage.  
Note. Improper tipping may  
affect engine performance.  
2. Remove the blade disc with a  
spanner (not supplied).  
The central blade bolt must  
be removed first.  
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3. Remove all 4 single blades  
including the washer and nuts.  
4. Clean the dirt and grass  
from around the blade  
mounting area.  
5. Replace all 4 blades to  
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.  
7. Return the mower to the upright position.  
8. Start the engine and allow the mower to run for a few  
minutes to check that the blade is properly fitted and that  
there is no undue noise or vibration. Use only the blade  
as recommended by the manufacturer.  
13  
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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  
1300 880 001 (Australia) or 0800 445 721 (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 1300 880 001 (Australia) or 0800 445 721 (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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