Global Machinery Company Blower BPB41 User Manual

Code: BPB41 IM  
Date: 070730  
Black  
Cyan  
Magenta  
Yellow  
Edition: 08  
Op: BN  
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Introduction  
Warning.  
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.  
Read these instructions for use carefully.  
Use at a distance of at least 15m from  
other people.  
You will find your new tool easy and safe to operate,  
and, with proper care, it will give you many years  
of dependable service.  
Blowers and blower vacuums.  
Rotating impeller blades can cause sever injury.  
CAUTION. Carefully read through this entire Instruction  
Manual before using your new GMC Power Tool. Take  
special care to heed the Cautions and Warnings.  
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 a short time after the unit is turned off.  
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.  
Specifications  
Engine:  
41.5cc, 2 stoke  
1.6 kW  
Environmental protection  
Rated power:  
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.  
Standard air volume:  
Max. air speed:  
Max. engine speed:  
Fuel consumption:  
Fuel tank capacity:  
Fuel type:  
12 m3/min  
255 km/h  
6500min-1 ± 200min-1  
≤1.3 L/h  
Description of symbols  
The rating plate on your tool may show symbols.  
These represent important information about the product  
or instructions on its use.  
1500ml  
2 stroke (Unleaded  
petrol/2-stroke engine oil)  
2-stroke ratio:  
40:1  
Conforms to relevant standards for  
electromagnetic compatibility  
Equivalent spark plug:  
CHAMPION CJ8  
NGK BM6A  
Wear hearing protection.  
Wear eye protection.  
Wear breathing protection.  
Spark plug electrode gap:  
Sound pressure value:  
Net Weight:  
0.635mm (0.025”)  
88dBA  
Noise label rating 88dBA  
(taken at 7.5 meters) you must wear  
ear protection at all times.  
8.5kg  
��  
Noise label rating 88dBA (taken at 7.5 meters) you must  
wear ear protection at all times.  
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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 re-fuelling 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.  
General safety instructions  
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 infirm 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.  
– Replace all fuel tanks and containers caps securely.  
Substitute faulty silencers.  
Before use, always inspect the machine and check  
that the screws are not worn or damaged.  
WARNING. When using power tools, basic safety precautions  
should always be taken to reduce the risk of fire, electric  
shock and personal injury. Also, please read and heed the  
advice given in the additional important safety instructions.  
It is advisable to wear suitable eye protection when  
operating the blower.  
Maintenance and storage  
Safety rules for petrol blowers  
Training  
Read the instructions carefully. Get familiar with the  
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.  
controls and proper use of the equipment.  
Only use the blower for the purpose for which it was  
designed, i.e. blowing garden debris. Any other use  
can be hazardous, causing damage to the machine.  
Never allow children or people unfamiliar with these  
instructions to use the blower. Local regulations may  
restrict the age of the operator.  
Allow the engine to cool before storing in an  
enclosed space.  
Never use the blower:  
To reduce the fire hazard, keep the engine, exhaust  
silencer, battery compartment (if applicable) and fuel  
storage area free of grass, leaves, or excessive grease.  
If the fuel tank has to be drained, this should be done  
outdoors and when the engine is cool.  
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.  
– 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 blowing, always wear sturdy footwear and long  
trousers. Do not operate the equipment with bare feet  
or open sandals.  
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Fuel goes off fairly quickly. If you find your blower  
does not start, 1st change the fuel in the tank with newly  
purchased fuel.  
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.  
Service  
Do not start the engine if there is spilt fuel on the  
blower or in the area surrounding. Take the blower  
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.  
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.  
Operation safety instructions  
WARNING. Stop the engine and unplug the spark plug  
Tighten the fuel tank cap and jerry can cap tightly.  
before any repairs or maintenance operations.  
Check that all nuts, bolts and screws are well  
tightened before every use.  
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.  
Additional safety rules for petrol blowers  
Do not operate in a hazardous location. Such areas  
include where there is a risk of explosion of petrol fumes,  
leaking gas or explosive dust.  
Do not operate in a confined area. Exhaust gases,  
smoke or fumes could reach dangerous concentrations.  
Work only when there is sufficient light.  
Do not use the blower when it is raining or when the  
grass is wet.  
Protect your blower. This blower is NOT WEATHERPROOF  
and should not be exposed to direct sunlight, high ambient  
temperature and damp, wet or high humidity conditions.  
Caution must be taken while blowing on slopes.  
Do not smoke while refuelling. This is potentially  
dangerous as it may ignite the fuel and cause an explosion.  
Turn off the engine if you must leave the blower  
unattended.  
Take care not to spill fuel. When refuelling the blower  
ensure that the motor has been switched off. Prevent the  
spilling of fuel as this may also ignite with the hot motor.  
Never refuel whilst the engine running.  
Never change the rated speed of the engine in any way.  
Stop the engine and remove the spark plug cover in  
these cases:  
Be careful where you store the blower. Store the blower  
in a dry area away from flammable liquids.  
- Before any maintenance, repairing or checking operations.  
- If you leave the blower unattended.  
- If the blower vibrates in an abnormal way, take the  
blower to an authorized service centre.  
Keep your distance. The blower emits exhaust fumes.  
Ensure bystanders keep a safe distance.  
Ensure you use oil-mix fuel. Ensure that you mix 40 parts  
unleaded fuel to 1 part engine grade oil. If not, the engine  
will overheat and cause damage to your blower.  
- 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.  
Never fill fuel tank indoors. Never fill fuel tank when engine  
is running or hot. Do not smoke when filling fuel tank.  
Stop the engine before re-fuelling.  
Fill the fuel tank with a funnel and outside. Do not  
smoke or use a mobile phone during this process.  
5
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Stop the engine and disconnect the spark plug wire:  
- Whenever you leave the machine  
- Before clearing a blockage  
- Before checking, cleaning or working on the appliance  
- If the blower starts to vibrate abnormally (find and  
remove the cause of the vibration immediately).  
Reduce the throttle before turning off the engine and turn  
the fuel off when you have finished blowing.  
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 blower  
is in use.  
Unpacking  
Due to modern mass production techniques, it is unlikely  
that your petrol line trimmer 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  
Wide Sweeper Nozzle  
Blower Tubes (2 pieces)  
Padded Shoulder / Waist Straps (fitted)  
Spark Plug Wrench  
Mixing Bottle  
6
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Know your product  
1. Throttle trigger  
2. Throttle trigger lock-off  
3. Motor  
12  
2
4. Straight tube  
5. Wide sweeper nozzle  
6. Recoil starter  
8
7. Fuel cap  
15  
8. Spark plug cap  
9. Primer bulb  
10  
3
10. Air filter cover  
11. Outlet exhaust  
12. On/Off button  
13. Shoulder straps  
14. Fuel tank  
6
7
15. Air filter cover  
retaining screw  
16. Air filter damper  
17. Discharge port  
18. Waist strap  
19. Blow tube  
extension  
13  
14 11  
16  
18  
1
17  
19  
9
4
5
7
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Assembly  
Before Use  
IMPORTANT. Blower tube installation affects the blower’s  
performance. Ensure the tube is fitted correctly before  
every use.  
IMPORTANT. This machine is fitted with an impeller which  
runs at high speeds. Ensure this instruction manual is  
thoroughly read AND understood. Incorrect operation may  
cause serious injury.  
WARNING. Danger from rotating impeller! Stop the  
engine and remove the spark plug cap before installing or  
removing the blower tubes. Never perform any maintenance  
or assembly procedures on this machine while the engine  
is running.  
Mixing the fuel  
CAUTION. Use of pure fuel is prohibited strictly!  
ENGINE FUEL: MIX AT 40:1  
(40 parts unleaded fuel to 1 part 2-stroke oil)  
1. Place the blower upright on the ground or on a sturdy  
work surface.  
2. Push the wide sweeper nozzle  
(5) over the straight tube (4)  
lining up the locking pins.  
IMPORTANT. Use good quality air cooled 2-stroke  
engine oil.  
3. Rotate the nozzle tube  
clockwise locking it into place.  
This product is powered by a 2-stroke engine and  
requires pre-mixing fuel with 2-stroke oil.  
4. Push the assembled blower  
tube over the discharge  
port (17).  
1. Use fresh unleaded petrol. You must use 100%  
synthetic oil specifically made for heavily stressed  
two-stroke engines.  
2. Mix the petrol and oil in an approved container. Never  
mix fuel directly in the blower fuel tank.  
WARNING. Never use any type of pre-mixed fuel/oil direct  
from fuel stations. This may include special blends intended  
for use in mopeds, motorcycles, etc.  
3. Mix the fuel thoroughly and also each time before fuelling.  
4. Always pre-mix in small quantities. Never mix quantities  
larger than what will be used in a 30 day period.  
5. With the locking pins lined up, rotate the straight tube (4)  
clockwise to lock it into position.  
Note. Do not store petrol in plastic containers.  
Keep fuel out of the reach of children.  
Note. 2 stroke fuel has a limited shelf life of approximately  
3 - 4 months. To avoid possible issues with starting and  
running the machine, the fuel should be changed at  
regular intervals.  
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Never smoke or light any fires near the blower or fuels.  
Always transport and store fuels in an approved container.  
Never place flammable material close the engine muffler.  
Filling the fuel tank  
WARNING. Always shut off the engine before fuelling.  
Never add fuel to a machine with a running or hot engine.  
Move at least 9 m (30 ft.) away from the re-fuelling site  
before starting engine. Do not smoke when re-fuelling or  
operating the blower.  
Do not use petrol which contains ethanol or methanol as  
it may damage the fuel lines and other engine parts.  
Mix only enough fuel for your immediate needs. If fuel  
must be stored longer than 30 days, it should first be  
treated with a stabilizer or similar product.  
WARNING. Do not use another mixture ratio other than 40:1  
and never use pure fuel. Do not use fuel that is more than  
2-3 months old. Empty the tank during longer breaks and fill  
it up again as soon you wish to use the blower again.  
Fitting the safety straps (shoulder and waist)  
IMPORTANT. Safety straps must be completely adjusted  
before initially starting the blower.  
IMPORTANT. Ensure the straps are always used to support  
the blower during use.  
Note. It is normal for smoke to be emitted from a new  
engine during and after first use.  
1. Place the blower upright on the ground or on a sturdy  
bench and wipe any debris from around the fuel cap (7).  
The blower must be used with the shoulder straps (13) and  
waist strap (18) provided.  
2. Unscrew the fuel cap (7) and pour the mixture into the  
tank using a funnel (not supplied).  
Note. Adjust the straps first with the device in the off position.  
1. Place the shoulder straps on your shoulders and fasten  
the waist strap by pushing the buckles together.  
2. Set the belt lengths tight for greater safety and comfort  
during use.  
Operation  
IMPORTANT. Do not allow the machine to operate  
continuously for a long time. Keep it switched off for  
20 minutes for every 30 minutes of operation. Total  
operation time in a day should be less than two hours.  
3. Be careful not to spill any mixture. If this happens, wipe  
the spill with a clean rag.  
4. Start the engine at least three metres away from the area  
where the fuel tank has been filled up in order to avoid  
any risk of fire.  
Starting the blower  
To start the engine, proceed as follows:  
For cold starting:  
Danger of fire and burn injuries.  
1. Manually press the primer (9)  
5 to 6 times or until there are  
no air bubbles visible in the fuel  
discharge line. This will indicate  
that the carburettor is full  
Always use extreme care when handling fuel! Fuel is  
highly flammable.  
Never attempt to fuel the blower if the fuel system  
components are damaged or are leaking.  
Never attempt the refuel the engine while it is running or  
still warm, allow it to cool before fuelling.  
2. Close the air filter damper (16).  
9
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3. Move the On/Off Button (12)  
to ON (I) position.  
For warm starting:  
1. Ensure the priming bulb (9) is full.  
2. Move the air filter damper (16) to the half way position.  
4. Lock the throttle into mid way  
‘Start’ position by holding in the  
throttle trigger lock-off (2) and  
squeezing the throttle trigger  
(1) completely in. Release the  
throttle trigger lock-off (2) first,  
and then release the throttle  
trigger (1).  
3. Move the On/Off Button (12)  
to ON (I) position.  
4. Place the unit on a stable  
surface and position one  
hand on the top of the unit for  
support, and use the other to  
pull the recoil starter (6).  
Note. The throttle trigger (1)  
will now be in the mid way  
‘Start’ position.  
5. Once the engine has started,  
open the air filter damper (16).  
5. Place the unit on a stable  
surface and position one  
hand on the top of the unit for  
support, and use the other to  
pull the recoil starter (6).  
6. Allow the engine to run for  
10 seconds to let it warm up  
before use.  
7. To increase the engine speed  
squeeze the throttle trigger (1).  
6. Once the engine has  
started, open the air filter  
damper (16) slowly.  
Note. To reduce the engine  
speed release the throttle lever.  
Stopping the blower  
1. Release the throttle trigger  
(1) completely  
7. Allow the engine to run for  
10 seconds to let it warm up  
before use.  
2. Press the On/Off button (12)  
in the Off (O) position.  
8. To increase the engine speed  
squeeze the throttle trigger (1).  
Note. To reduce the engine  
speed release the throttle lever.  
10  
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Running in the engine  
Use of the petrol blower  
1. During the initial 2-3 hours of work since purchase,  
run the engine at a moderate RPM.  
The GMC petrol backpack blower can efficiently move  
a wide variety of debris ranging from grass clippings to  
gravel. As a general rule try to operate the blower at the  
lowest throttle setting necessary to get the job done.  
2. We advise you in any case not to maintain your engine at  
a high speed as the different components must settle with  
each other during the process of ‘running in’ the engine.  
Prior to use of the blower ensure you have read and  
understood this instruction manual.  
3. It is at the end of the running in period that the engine will  
reach its maximum power.  
Ensure you are wearing suitable clothing and also safety  
equipment like safety glasses, ear protection and a mask  
if necessary.  
4. After the first two hours of work, stop and make sure that  
all nuts and screws are securely fastened, and tighten  
them if necessary.  
Maintenance  
Blowing  
WARNING. Before performing any maintenance on this  
blower, stop the engine and disconnect the spark plug wire.  
Start the blower engine, as previously described. Hold the  
blower nozzle firmly about 10 - 20 cm from the ground and  
move it in a sweeping motion from left to right, directing the  
debris to the desired location.  
Checking the spark plug  
Check the spark plug every 10 - 15 hours of use.  
Note. There is a replacement spark plug included with  
the blower.  
Use low throttle settings when clearing lightweight  
materials from around lawns or shrubbery.  
1. Remove the spark plug cover.  
Use medium to higher throttle settings to move  
lightweight grass or leaves from driveways or paths.  
2. Use the spark plug wrench to remove the spark plug by  
turning it counter-clockwise.  
Use full throttle when moving heavy loads such as dirt  
or snow.  
Be aware of your surroundings at all times and take care  
when directing debris with the blower.  
IMPORTANT. Blower noise increases at higher throttle  
settings. Always use the lowest throttle setting required to  
get the job done.  
Never operate the blower unless it is properly assembled  
and in good working condition.  
3. Clean and adjust the spark plug gap to 0.6 - 0.7mm.  
Replace any damaged or visibly worn plug with a  
CHAMPION CJ8, NGK BM6A or equivalent spark plug.  
Never operate the blower without a properly functioning  
muffler and spark arrestor installed.  
Be aware of your surroundings at all times as debris may  
misdirect and cause harm to others  
4. Install the spark plug finger  
tight in the cylinder head, then  
tighten it firmly with the spark  
plug wrench.  
11  
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Air filter  
Servicing  
Accumulated dust in the air filter will reduce engine  
efficiency, increase fuel consumption and allow abrasive  
particles to pass into the engine. Remove the air filter as  
often as necessary to maintain a clean condition.  
It is recommended once you first use your petrol blower  
have it serviced after 15 hours of use by an authorised  
service centre.  
From thereafter, service the petrol blower every 2 years.  
IMPORTANT. The air filter should  
be checked approximately  
every 10 hours of use, or more  
frequently in dusty areas.  
Storage and maintenance after use  
When you finish working, clean the petrol blower completely.  
Inspect the entire blower and tubes for damage,  
including loose or missing components, and repair  
anything necessary.  
1. Remove the air filter  
cover retaining screw (15),  
and remove the cover and  
filter element.  
Store the petrol blower away from direct sunlight.  
Do not store in a nylon bag as this can encourage the  
formation of mould.  
2. Inspect the element. If  
the element is distorted or  
damaged, replace it with a  
new one.  
Use a small brush to clean off the outside of the unit and  
keep the air vents free from obstructions. Do not use  
water or a hose to clean the unit.  
3. Wash the filter in detergent  
and water. Rinse the filter  
thoroughly. Squeeze out  
excess water. Allow it to dry  
completely before reinstalling.  
Whenever the machine is not used for a long period of time,  
proceed as follows:  
Give the petrol blower an overall cleaning and a  
thorough check.  
Empty the fuel tank completely, then clean the  
carburetor and lines by running the blower until it stops  
from lack of fuel.  
4. Install the element and  
cover and then tighten the  
retaining screw.  
Protect all metal engine parts from corrosion by coating  
them with oil.  
Useful tips  
Light surface dust can  
readily be removed by  
tapping the filter.  
Remove the spark plug, put several drops of oil into the  
cylinder through the spark plug hole and then pull the  
recoil starter 2 to 3 times in order to distribute the oil  
evenly. Replace the spark plug and spark plug cover.  
Heavy deposits should be washed out in suitable detergent.  
Squeeze out the remaining water and allow the filter to  
completely dry.  
Clean the air filter as described in the air filter section.  
Add a drop of thin oil to the filter and replace it.  
12  
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Problems  
Power loss or sudden stopping of the engine  
Check whether the fuel tank is empty.  
There is water in the mixture. Drain and rinse the fuel  
system with petrol.  
Check the age of the fuel as fuel older than 3 - 4 months  
can cause running and starting problems.  
The air filter is dirty. Clean the air filter.  
Starting a flooded engine  
Disconnect the spark plug lead, and use the plug wrench  
to remove the spark plug in a counter clockwise direction.  
If the spark plug is fouled or is soaked with fuel, clean or  
replace the plug as required.  
Clean excess fuel from the combustion chamber by  
cranking the engine several times while the spark plug  
is removed.  
Install the spark plug and firmly tighten it with the spark  
plug wrench.  
Repeat the starting procedure as if the blower was  
already warm.  
13  
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14  
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15  
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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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