Masport BL25 Instruction manual

554284 - Masport Blower OM - July 2010
IMPORTANT: Keep these instructions and the engine booklet in a safe place for future reference.
They contain important information about your Blower.
Blower/Vac
OWNER’S
MANUAL
This manual covers the models: BL25.
Some features mentioned may not apply to your Blower.
Part No: 554284

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554284 - Masport Blower OM - July 2010
The blower model BL25 combines the advantages of state-of-the-
art technology with ergonomic design. They are of light weight,
handy, compact and represent professional equipment for a great
variety of applications.
Please read, understand and follow this booklet which refers in
detail to the various points that will demonstrate its outstanding
performance. This will assist you to safety obtain the best possible
results from your Masport Blower.
Contents
Symbols ...................................................................................... 1
Safety instructions ........................................................2-4
EC declaration of conformity ........................................................ 5
Technical data .............................................................................. 6
Designation of parts ..................................................................... 7
Assembly instructions .................................................................. 8
Before start of operation ............................................... ......... 9-10
Operation ............................................................................. 11-12
Adjustment of idling ................................................................... 12
Operation method ..................................................................... 13
Inspection and maintenance ................................................ 14-16
Storage...................................................................................... 16
Troubleshooting ......................................................................... 18
Symbols
It is very important to understand the following symbols when reading this instruction manual.
WARNING/DANGER
Read, Understand and Follow
Instruction Manual
Forbidden
No Smoking
No Open Flame
Protective Gloves must be Worn
Keep the Area of Operation
Clear of All Persons and Pets
Wear Eye and Ear Protectio n
Fuel (Gasoline)
Engine-manual Start
Emergency Stop
First Aid
Recycling
ON/START
OFF/STOP
CE-Mark
Disposal of Packaging
Remove all protective packaging. Make sure you properly dispose of, or recycle the packaging materials where possible. Comply with the
applicable waste disposal laws in your area.

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554284 - Masport Blower OM - July 2010
Safety Instructions
General Instructions
• To ensure correct and safe operation, the user must read, understand
and follow this instruction manual to assure familiarity with the
handling of the blower (1). Users insufficiently informed will risk danger
to themselves as well as others due to improper handling.
• First-time users should ask the dealer for basic instructions to
familiarize oneself with the handling of a blower.
• Children and young persons must not be allowed to operate the
blower.
• Use blowers with the utmost care and attention.
• Operate the blower only if you are in good physical condition.
• Perform all work conscientiously and carefully. The user has to accept
responsibility for others.
• Never use the blower while under the influence of alcohol or drugs (2).
• Do not use the unit when you are tired or ill.
• Save these instructions for future referral.
Personal Protective Equipment
• The clothing worn should be functional and appropriate, i. e. It should
be tight-fitting but not cause a hinderance. Do not wear loose jewelry,
clothing or long hair which could be drawn into the air intake.
• In order to avoid head-, eye-, hand- or foot injuries, as well as
protecting your hearing, other protective equipment and protective
clothing must be used during the operation of the blower.
Pay particular attention to the following
• Clothing must be sturdy and snug-fitting, but allow complete freedom
of movement. Avoid loose-fitting jackets, flared or cuffed pants,
scarfs, unconfined long hair or anything that could be drawn into the
air intake. Wear overalls or long pants to protect your legs. Do not
wear shorts. (4)
• Blower noise may damage your hearing. Wear sound barriers (ear
plugs or ear mufflers) to protect your hearing. Continual and regular
users should have their hearing checked regularly. (3)
• Use of gloves when working with the blower is recommended. Good
footing is most important. Wear sturdy shoes with nonslip soles. (4)
• Proper eye protection is a must. Even though the discharge is
directed away from the operator, ricochets and bouncebacks can
occur during blower operation. (3)
• Never operate a blower unless wearing goggles or properly fitted
safety glasses with adequate top and side protection.
Starting up the blower
• Please make sure that there are no children or other people within a
working range of 15 meters (5), also pay attention to any animals in
the working vicinity. Be extra careful when using the blower in urban
areas.
• Before operating, always check that the blower is safe for operation:
Check the security of the throttle lever. The throttle lever should be
checked for smooth and easy action. Check for proper functioning of
the throttle lever lock. Check for clean and dry handles and test the
function of the l-O switch. Keep handles free of oil and fuel.
( 1)
( 2)
( 3)
( 4)
( 5)
15meters
(1)
(2)
(3)
(4)
(5)

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554284 - Masport Blower OM - July 2010
Start the Blower only in accordance with the instructions.
Do not use any other methods for starting the engine (6) !
• Use the blower and the tools supplied only for applications specified.
• Start the blower engine only after the entire tool has been assembled.
Operation of the tool is permitted only after all the appropriate
accessories are attached.
• The engine is to be switched off immediately if there are any engine
problems.
• When working with the blower, always wrap your fingers tightly around
the handle, keeping the control handle cradled between your thumb and
forefinger. Keep your hand in this position to have your machine under
control at all times. Make sure your control handle (and grip for vacuum
attachment) are in good condition and free of moisture, blown particles,
oil or grease.
Always ensure a safe, well-balanced footing.
• Operate the blower in such a manner as to avoid inhalation of the
exhaust gases. Never run the engine in enclosed rooms (risk of
suffocation and gas poisoning). Carbon monoxide is an odorless gas.
Always ensure there is adequate ventilation.
• Switch off the engine when resting and when leaving the blower
unattended. Place it in a safe location to prevent danger to others,
setting fire to combustible materials, or damage to the machine.
• Never lay the hot blower onto dry grass or onto any combustible
materials.
• All protective parts and guards supplied with the machine must be used
during operation.
• Never operate the engine with a faulty exhaust muffler.
• Shut off the engine during transport (7).
• Position the blower safely during car or truck transportation to avoid fuel
leakage.
• When transporting the blower, ensure that the fuel tank is completely
empty.
Refuelling
• Shut off the engine during refuelling (7), keep well away from open flame
(8) and do not smoke.
• Avoid skin contact with petroleum products. Do not inhale fuel vapor.
Always wear protective gloves during refuelling. Change and clean
protective clothing at regular intervals.
• Take care not to spill either fuel or oil in order to prevent soil
contamination (environmental protection). Clean the blower immediately
after fuel has been spilt. Allow wet cloths to dry before disposing in
properly, covered container to prevent spontaneous combustion.
• Avoid any fuel contact with your clothing. Change your clothing
immediately if fuel has been spilled on it (fire hazard).
• Inspect the fuel cap at regular intervals making sure that it stays securely
fastened.
• Carefully tighten the locking screw of the fuel tank. Change locations to
start the engine (at least 3 meters away from the place of refuelling) (9).
• Never refuel in closed rooms. Fuel vapors accumulate at ground level
(risk of explosions)
• Only transport and store fuel in approved containers. Make sure stored
fuel is not accessible to children.
• Do not attempt to refuel a hot or a running engine.
●Resting
●Transport
●Refuelling
●Maintenance
●ToolReplacement
( 6)
( 7)
( 8)
( 9)
3 meters
(6)
(7)
(8)
(9)
• Resting
• Transport
• Refuelling
• Maintenance
• Tool Replacement

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554284 - Masport Blower OM - July 2010
Method of operation
• Use the blower only in good light and visibility. During cold seasons
beware of slippery or wet areas, ice and snow (risk of slipping).
Always ensure a safe footing.
• Never work on unstable surfaces or steep terrain.
• To reduce the risk of personal injury, do not direct air blast towards
bystanders, since the high pressure of the air flow could injure eyes
and could blow small objects at great speed.
• Never insert any foreign object into the air intake of the machine or
into the nozzle of the blower. It will damage the fan wheel and may
cause serious injury to the operator or bystanders as a result of the
object or broken parts being thrown out at high speed.
• Pay attention to the direction of the wind, i.e., do not work against the
wind.
• To reduce the risk of stumbling and loss of control, do not walk
backward while operating the machine.
• Always shut off the engine before cleaning or servicing the unit or
replacing parts.
Maintenance instructions
• Be kind to the environment. Operate the blower with as little noise
and pollution as possible. In particular check the correct adjustment
of the carburetor.
• Clean the blower at regular intervals and check that all screws and
nuts are securely tightened.
• Never service or store the blower in the vicinity of open flames,
sparks, etc. (11).
• Always store the blower in a well-ventilated room and with an emptied
fuel tank.
Do not perform any modifications to the blower as this will risk your
safety.
The maintenance or repair work by the user is limited to those
activities as described in this instruction manual. All other work is to
be done by Authorised Service Agents. Use only genuine spare parts
and accessories. Use of non-approved accessories and tools means
increased risk of accidents and injuries. Masport will not accept any
liability for accidents or damage caused by the use of any non-
approved attachment or accessories.
First Aid
In case of accident make sure that a well-stocked first-aid kit is
available in the vicinity of the operations. Immediately replace any item
taken from the first aid kit.
When asking for help, please give the following information:
• Place of accident
• What happened
• Number of injured persons
• Extent of injuries
• Your name
(10)
(11)
(12)

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554284 - Masport Blower OM - July 2010
Technical Data
Model BL25
Mass (without blower pipe) (kg) 4.5
Dimension (without blower pipe L x W x H) (mm) 350 x 231 x 368
Max. engine speed (min-1) 7,800
Idling speed (min-1) 3,500
Engine displacement (mL) 24.5
Fuel Automobile gasoline
Fuel tank capacity (L) 0.52
Engine oil SAE 10W-30 oil of API Classification, Class SF or higher
(4-stroke engine for automobile)
Engine oil volume (L) 0.08
Carburetor (Diaphragm-carburetor) WALBRO WYL
Ignition system Solid state ignition
Spark Plug NGK CMR6A
Electrode gap (mm) 0.7 - 0.8
Vibration per
EN 15503
Right handle
(Rear grip)
ahv eq (m/s2) 7.5
Uncertainty K (m/s2) 0.5
Sound pressure level average to ISO 6081 dB(A) 89.3
Sound power level average to ISO 3744 dB(A) 102
Notes:
1. This specification is subject to change without prior notice.

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554284 - Masport Blower OM - July 2010
Description of Parts
1. Stop switch 8. Fuel Tank 15. Plug Cover 22. Vacuum Pipe
2. Main Handle 9. Fuel Tank Cap 16. Spark Plug 23. Arrow Mark
3. Trigger Lever 10. Muffler 17. Oil Cap 24. Dust Bag
4. Primer Pumpp 11. Assist Handle 18. Blower Tube
5. Air Cleaner Cover 12. Cruise Control Lever 19. Blower Nozzle A
6. Choke Lever 13. Screw 20. Blower Nozzle B
7. Starter Handle 14. Protector 21. Elbow

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554284 - Masport Blower OM - July 2010
Assembly Instructions
CAUTION : Before performing any work on the blower, always stop
the engine and pull the spark plug connectors off the
spark plug.
Always wear protective gloves!
CAUTION : Start the blower only after having it assembled
completely.
1. ASSEMBLY OF BLOWER PIPES
1. Align grooves in the blower pipe with pegs on the blower housing
and slide the pipe onto housing.
2. Turn the blower pipe clockwise to lock it into place.
3. Place clamp around the opening of the blower pipe. Fasten
securely with bolt and nut .
2. ASSEMBLY OF VACUUM ATTACHMENT
(1) Installing Vacuum pipe (nozzle)
1. Loosen the screw and open the protector .
WARNING!
When using this machine as a blower, be sure to confirm
that the screw is not loosened at each time of startup.
If the screw is loosened, retighten it. It is dangerous to
operate the machine with the screw loosened. The operator’s finger
or clothing may be caught in the impeller, which will result in a serious
accident.
2. Align the indicated on the vacuum pipe with the “ ” indicated
on the blower. Then insert the vacuum pipe into the blower.
3. Turn the vacuum pipe until the is aligned with the “ ” indicated
on the blower to lock the vacuum pipe.
WARNING!
Always hold the mounting end of the vacuum pipe when attaching /
detaching the vacuum pipe.
(2) Installing Elbow and Dust Bag
1. Open the fastener of the dust bag.
2. Insert the elbow into the dust bag and take it out through the bag’s
entry.
3. Install the elbow on the blower.
WARNING!
Do not attempt to pick up large wood chips, metals,
glass, stones, liquids, lighted cigarettes, fire works
or the like.
Always mount the protector/vacuum pipe in the right way before
operation. Operation without the protector/vacuum pipe is dangerous,
the impeller may catch the operator’s fingers or clothes and it can result
in serious injury.
Do not attempt to remove the screw (1) or disassemble the vacuum pipe.
Regulation requires safety distance of at least 900mm between
the impeller and the top of the pipe.

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554284 - Masport Blower OM - July 2010
Before Start of Operation
1. Inspection and Refill of Engine Oil
1. Perform the following procedure, with the engine cooled down.
• Inspection: Position the machine vertically. Remove the oil cap and inspect the oil gauge. The oil level should be between
“lower limit” and “upper limit” on the gauge. When oil level is too low, refill with oil.
• Refill: Position the machine horizontally. Remove the oil cap. When oil level reaches the shelf inside the oil pipe, stop refilling
and replace oil camp.
2. For reference, the oil refill frequency is every 10 hours.
3. If the oil changes in color or mixes with dirt, replace it with new one. (For the interval and method of replacement, refer to P. 15)
Recommended oil: Masport SAE 10W-30 oil of API Classification, Class SF or higher (4-stroke engine for automobile)
Oil volume: Approx. 0.08 L
Replacement of Oil
• Remove dust or dirt near the oil refill port, and detach the oil gauge.
• Keep the detached oil gauge free of sand or dust. Otherwise, any sand or dust adhering to the oil gauge may cause irregular oil
circulation or wear on the engine parts, which will result in damage.
• Do not overfill with oil. Tighten the oil cap securely.
If Oil Spills Out
• Be sure to wipe out spilt oil before start of operation.
2. Fuel Supply
WARNING
• When supplying the fuel, be sure to observe the following instructions to prevent ignition or fire:
- Fuel supply must be made in a place free of fire. Never bring fire (smoking, etc.) near to the place of fuel supply.
- Stop the engine and allow the engine to cool down before fuel supply.
- Open the fuel tank cap slowly. The fuel may spill out under internal pressure.
- Take care not to spill the fuel. Any spilled fuel must be wiped clean.
- Carry out fuel supply in a well-ventilated place.
• Handle the fuel with care.
- Fuel sticking to the skin or entering an eye may cause allergies or irritation. When any physical abnormality is detected,
consult the medical specialist immediately.

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554284 - Masport Blower OM - July 2010
STORAGE PERIOD OF FUEL
Fuel should be used up within a period of 4 weeks, even if it is kept in a special container in a well-ventilated shade. If a special container is
not used or if the container is not covered, fuel may deteriorate in one day.
Storage of machine and refill tank
• Keep the machine and tank in a cool place away from direct sunshine.
• Never keep the fuel in the cabin or trunk of a car.
FUEL
The engine is a four-stroke engine. Be sure to use an automobile gasoline (regular gasoline or premium gasoline).
Note:
• Never use a gasoline mixture which contains engine oil. Otherwise, it will cause excessive carbon accumulation or mechanical troubles.
• Use of deteriorated oil will cause irregular startup.
When refueling, be sure to stop the engine and confirm that the engine has cooled down.
REFUELING METHOD
• Loosen the tank cap a little so that there will be no difference in atmospheric pressure.
• Detach the tank cap, and refuel, discharging air by tilting the fuel tank so that the refuel port will be oriented upward. (Never put fuel
full into the oil refill port.)
• After refueling, securely tighten the tank cap.
• If there is any damage on the tank cap, replace it.
• The tank cap is a consumable, and therefore should be renewed every two to three years or as required

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554284 - Masport Blower OM - July 2010
Operation
WARNING
• Never attempt to start the engine in the place where the refuelling has been done. When starting the engine, keep a
distance of at least 3m, otherwise, it may cause ignition or fire.
• Exhaust gas from the engine has toxic consequences. Do not operate the engine in a poorly-ventilated place, such as in
a tunnel, building, etc.
- Operating the engine in the poorly-ventilated place may cause poisoning by exhaust gas.
• In case of detection of any abnormality in sound, odor, vibration after start, stop the engine immediately and carry out
inspection.
- If the engine is operated without attending such abnormality, an accident may occur.
• Confirm that the engine stops when the stop switch is set to “O” position.
1) When the engine is cold, or after refuelling
1. Set this machine on a flat space.
2. Set the stop switch to “ I “ position.
3. Continue to push the primer pump until fuel enters into the primer pump.
• In general, fuel enters into the carburetor by 7 to 10 pushes.
• If the primer pump is pushed excessively, an excess of gasoline returns
to the fuel tank.
4. Lifting the choke lever of the air cleaner right side, close the choke.
5. Hold the main handle with the left hand to prevent the engine from
moving, settle down to take a stable position.
6. Pull out slowly the starter handle till a certain resistance is felt.
Return the starter handle backward once from this position, then pull it
out with force.
• Never pull the rope to the full.
• Once the start knob is pulled, never release it immediately. Hold the start
knob until it returns to its original point.
7. When the engine starts, open the choke lever.
• Open the choke lever progressively while checking the engine operation.
Be sure to open the choke lever to the full in the end.
• When the engine is cooled down, never open the choke lever suddenly.
Otherwise, the engine may stop.
8. Continue warm-up operation for 2 to 3 minutes.
9. When the engine speed stabilisies and acceleration to full speed is
smooth, the warm-up is complete and the machine can be used.

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554284 - Masport Blower OM - July 2010
NOTE
• The engine may be damaged if the choke lever is moved further beyond the “CLOSE” position.
• If the engine stops with an explosion sound or if the engine started, but stopped before operation of the choke lever, return this lever to
the “OPEN” position and pull the starter handle several times to start the engine again.
• If the operator keeps pulling the starter handle several times with the choke lever left in the “CLOSE” position, the engine may be
difficult to start because of over-suction of the fuel.
• In case of over-suction of the fuel, remove the spark plug and pull the handle several times rapidly to discharge any excess fuel. Dry
the spark plug electrode.
• When the throttle valve does not return to a position in contact with the idling adjusting screw even if the throttle lever is set to the low
speed, adjust the throttle control cable to ensure the proper return of the valve.
2) When the engine is warm
1. Place the engine on a flat ground.
2. Press the primer pump several times.
3. Ensure that the choke lever is open.
4. Hold the main handle with the left hand to prevent the engine from moving, settle down to take a stable position.
5. Pull out slowly the starter handle till a certain resistance is felt. Return the starter handle backward once from this position, then pull it
out with force.
6. When the engine is difficult to start, open the throttle valve by about 1/3.
2. STOPPING
1. When the cruise control lever is OFF
Release the trigger lever to reduce the engine speed, and set the stop
switch to the “O” position.
2. When the cruise control lever is ON
Set the cruise control lever to the OFF position, reduce the engine speed,
and set the stop switch to the “O” position.
Adjustment of Idling
DANGER
The carburetor is factory adjusted. Please do not attempt any adjustment other than idling adjustment. When adjustment
becomes necessary, please consult your dealership or an authorised service agent.
Checkup of low-speed rotation
The low-speed rotation is set at 3500min-1.
• If it is necessary to change the rotation speed, regulate the speed with
the adjusting screw, using a Phillips screwdriver.
• Turn the adjusting screw to the right, and the engine rotation will
increase. Turn the adjusting screw to the left, and the engine rotation will
drop

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554284 - Masport Blower OM - July 2010
Working Techniques
1. Blower operation
• Hold the machine firmly during operation.
• Direct the nozzle end toward the object to be dusted and pull the
trigger lever.
• The trigger lever can be fixed in an arbitrary position with the cruise
control lever.
• Maintain the trigger lever at a position where the engine speed
appropriate for the operation is obtained and set the cruise control
lever to the “ON” position.
• To adjust the engine speed, set the cruise control lever to the “OFF”
position once, adjust the engine speed with the trigger lever, then set
and fix the cruise control lever to the “ON” position.
• Operation of the trigger lever with the cruise control lever in the “ON”
position cause failure.
• The lower portion of the fuel tank acts as an assist handle, which
enables operation with both hands. In this case, be sure to hold the
assist handle with the right hand.
2. Vacuum Operation
WARNING
• Do not allow kerosene, gasoline, or lighted cigarette to be sucked into the machine.
- Otherwise, fire may occur.
• Do not allow foreign materials, such as large wood chips, metals, glass, pebbles, etc., to be sucked into the machine.
- Otherwise, failure may occur.
• Overfilling of the dust bag with dust may cause overflow toward the engine side. Empty the bag properly.
- Otherwise, the fire may occur.
• Carry the dust bag belt on the shoulder and adjust the belt length to ensure easy operation.
• Ensure that the dust bag is not twisted and pull the trigger lever to start dust collection.
• When the dust bag is filled with dust, remove the dust bag from the machine and open the fastener to
empty the bag.
NOTE
If this machine is operated with the protector oriented upwards or the main handle downwards, there may appear white smoke, oil
contamination or oil leakage.

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554284 - Masport Blower OM - July 2010
Inspection and Maintenance
DANGER
• Before inspection and maintenance, stop the engine and allow it to cool. Remove also the spark plug and plug cap.
- If inspection or maintenance is attempted immediately after engine stop or with the plug cap left attached, the operator
may suffer burn or an accident due to acidental startup.
• After inspection and maintenance, be sure to confirm that all parts are assembled.
1. REPLACEMENT OF ENGINE OIL
Deteriorated engine oil will shorten the life of the sliding and rotating parts to a great extent. Be sure to check and replace the oil
periodically.
DANGER
• In general, the engine and engine oil still remain hot just after the engine is stopped. When replacing the oil,
ensure that the engine main unit and engine oil are sufficiently cooled down. Otherwise, there may exist a risk of
scalding. In addition just after the engine stops, the oil needs time to return in the oil case.
• If the oil is filled above the limit, it may become contaminated or may catch fire.
Interval of replacement: Initially, after 20 operating hours, and subsequently every 50 operating hours
Recommended oil: Masport SAE10W-30 oil of API Classification SF Class or higher (4-stroke engine oil for automobile)
When replacing oil, perform the following procedure.
1. Confirm that the fuel tank cap is tightened securely.
2. Detach the oil cap.
- Keep the oil gauge free from dust or dirt.
3. The machine can be tilted to the blower port side, to drain the oil.
- Drain the oil in a container.
4. Please position the machine horizontally (on the protector), refill oil to the
shelf inside the oil pipe.
5. After refill, securely tighten the oil cap. Insufficient tightening of the oil
cap will lead to oil leakage.
Note:
• Never discard used engine oil in garbage, earth or sewage ditch. Disposal of oil is regulated by law. In disposal, always follow the
relevant laws and regulations. For any points remaining unknown, contact Authorized Service Agent.
• Oil will deteriorate even when it is kept unused. Perform inspection and replacement at regular intervals (replace with new oil every 6
months).

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554284 - Masport Blower OM - July 2010
2. Cleaning of air cleaner
WARNING: INFLAMMABLES STRICTLY PROHIBITED
Interval of Cleaning and Inspection: Daily (every 10 operating hours)
1. Remove the air cleaner cover-fixing bolts.
2. Pull the cover lower side and detach the air cleaner cover.
3. Turn the choke lever to the full close position, and keep the carburetor
safe from dust or dirt.
4. If oil adheres to the filter (sponge), squeeze it firmly.
5. For heavy contamination:
1) Remove the filter (sponge), immerse it in warm water or in water-
diluted neutral detergent, and dry it completely.
2) Clean the filter (felt) with gasoline, and dry it completely.
6. Before attaching the filter, be sure to dry it completely. Insufficient drying
of the element may lead to difficult startup.
7. Wipe out with a cloth, the oil adhering around the air cleaner cover and
plate breather.
8. Immediately after cleaning is finished, attach the air cleaner cover and
tighten it with fixing bolts. (In remounting, first place the upper claw, and
then the lower claw).
DANGER
• Clean the filter several times a day, if working in excessively dusty areas.
• If operation continues with the filter remaining not cleared of oil, oil in the air cleaner may fall outside, resulting in oil
contamination.
3. Checking the spark plug
1. Opening/closing the plug cover
When opening the cover, apply fingers to the main handle and plug cover
projection as shown in the figure right. Push up the projection and slide the
cover in the “OPEN” direction. When closing the cover, slide the cover in the
“CLOSE” direction till the click under the plug cover projection rides over the
engine cover. Finally, push in the projection.
2. Removing the spark plug
Use the supplied wrench to remove or install the spark plug.
3. Checking the spark plug
The clearance between the two electrodes of the spark plug (see figure) is
0.7 to 0.8 mm. Adjust to the correct clearance when it is too wide or too
narrow. Clean thoroughly or replace the spark plug if it has accumulated
carbon or is contaminated.
4. Replacing the spark plug
For replacement, use NGK-CMR6A.

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554284 - Masport Blower OM - July 2010
4. Cleaning the fuel filter
• A clogged fuel filter may cause difficulty of startup or failure of engine
speed increase.
• Check the fuel filter regularly as follows:
1. Remove the fuel tank cap, drain the fuel to empty the tank. Check the tank
inside for any foreign materials. If any, wipe clean such materials.
2. Pull out the fuel filter with a wire through the oil filling port.
3. If the fuel filter surface is contaminated, clean it with gasoline. Foul gasoline
must be disposed of according to the method specified by each local
authority. Excessively foul filter must be replaced.
4. Reset the fuel filter in the fuel tank and tighten firmly the fuel tank cap.
For replacement, contact your dealership or an authorized service agent.
5. Inspection of bolts, nuts and screws
• Retighten loose bolts, nuts, etc.
• Check for fuel and oil leakage.
• Replace damaged parts with new ones for safety operation.
6. Cleaning of parts
• Keep the engine always clean.
• Keep the cylinder fins free of dust or dirt. Dust or dirt adhering to the fins will cause seizure.
7. Replacement of gaskets and packings
In reassembling after the engine is dismounted, be sure to replace the gaskets and packings with new ones.
Any maintenance of adjustment work that is not included and described in this manual is only to be performed by Authorized Service
Agents.
Storage
WARNING
• When draining the fuel, be sure to stop the engine and confirm that the engine cools down.
- Just after stopping, the engine may still be hot. Burns, fire or other damage may occur.
DANGER
• When the machine is kept out of operation for a long time, drain up all fuel from the fuel tank and carburetor, and keep it
in a dry and clean place
Drain up fuel from the fuel tank and carburetor according to the following
procedure:
1. Remove the fuel tank cap, and drain fuel completely. If there is any foreign
matter remaining in the fuel tank, remove it completely.
2. Pull out the fuel filter from the refill port using a wire.
3. Push the primer pump until fuel is drained from there, and drain fuel
coming into the fuel tank.
4. Reset the filter into the fuel tank, and securely tighten the fuel tank cap.
5. Start the engine and let it run until it stops
6. Remove the spark plug, and drip several drops of engine oil through the
spark plug hole.
7. Gently pull the starter handle so that engine oil will spread over the engine,
and replace the spark plug.
8. During storage, in order for the machine to become uprighting, please
keep the machine in an upright position.
9. Dispose of old drained fuel properly.

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554284 - Masport Blower OM - July 2010
Maintenance Schedule
Operating time
Item
Before
operation
After
lubrication
Daily
(10h) 30h 50h 200h Shutdown
/rest
Inspect/clean
Engine oil
Replace
Tightening parts
(bolt, nut) Inspect
Clean/inspect
Fuel tank
Drain fuel
Throttle lever Check function
Stop switch Check function
Low-speed rotation Inspect/adjust
Air cleaner Clean
Ignition plug Inspect
Cooling air duct Clean/inspect
Inspect
Fuel pipe
Replace
Fuel filter Clean/replace
Clearance between air intake
valve and air discharge valve Adjust
tcepsnI ebut liO
Engine overhaul
Carburetor Drain fuel
*1 Perform initial replacement after 20h operation.
*2 For the 200 operating hour inspection, ask an Authorized Service Agent.
*3 After emptying the fuel tank, continue to run the engine and drain fuel in the carburetor.
Fault location
esuaC noitavresbO metsyS tluaF
Engine not starting or with
difficulty
Ignition system Ignition spark O.K. Fault in fuel supply or compression system, mechanical
defect
,detarepo hctiws-POTS kraps noitingi oN wiring fault or short circuit, spark
plug or connector defective, ignition module faulty
ylppus leuf ,evitcefed roterubrac ,noitisop ekohc tcerrocnI dellif knat leuF ylppus leuF
line bent or blocked, fuel dirty.
nehw noisserpmoc oN noisserpmoC
pulled over
Cylinder bottom gasket defective, crankshaft seals
damaged, cylinder or piston rings defective or improper
sealing of spark plug
rats nekorB gnigagne ton retratS tluaf lacinahceM ter spring, broken parts inside of the engine
kraps noitingi dellif knaT smelborp trats mraW
existing
Carburetor contaminated, have it cleaned
Engine starts but dies Fuel supply Tank filled Incorrect idling adjustment, carburetor contaminated
evitcefed tnev knat leuF , fuel supply line interrupted,
cable or STOP-switch faulty
Insufficient performance Several systems
may simultaneously
be affected
Engine idling poor Air filter contaminated, carburetor contaminated, muffler
clogged, exhaust duct in the cylinder clogged

18
554284 - Masport Blower OM - July 2010
TROUBLESHOOTING
Problem Probable Cause Remedy
Failure to operate primer pump Push 7 to 10 times.
Low pulling speed of starter rope Pull strongly.
Add fuel leuf fo kcaL
naelC retlif leuf deggolC
Replace fuel tube ebut leuf nekorB
Deteriorated fuel
Deteriorated fuel makes starting more difficult.
Replace with fresh fuel. (Recommended
replacement: 1 month)
Excessive suction of fuel
Set throttle lever from medium speed to high
speed, and pull starter handle until engine
starts.
If engine will not start still, remove spark plug,
make electrode dry, and reassemble them as
they originally are. Then, start as specified.
yleruces hcattA pac gulp dehcateD
naelC gulp kraps detanimatnoC
Abnormal clearance of spark plug Adjust clearance
Other abnormality of spark plug Replace
.ecnanetniam dna noitcepsni rof tseuqer ekaM roterubrac lamronbA
Starter rope cannot be pulled Make request for inspection and maintenance
Engine does not start
ecnanetniam dna noitcepsni rof tseuqer ekaM metsys evird lamronbA
noitarepo pu-mraw mrofreP pu-mraw tneiciffusnI
Choke lever is set to “CLOSE” although engine
is warmed up Set to “OPEN”
naelC retlif leuf deggolC
Contaminated or clogged air cleaner Clean
ecnanetniam dna noitcepsni rof tseuqer ekaM roterubrac lamronbA
ecnanetniam dna noitcepsni rof tseuqer ekaM metsys evird lamronbA
yleruces hcattA eriw elttorht dehcateD
Engine stops soon
Engine speed does not increase
ecnanetniam dna noitcepsni rof tseuqer ekaM metsys evird lamronbA
yleruces hcattA rotcennoc dehcateD
ekaM metsys cirtcele lamronbA request for inspection and maintenance.
Engine does not stop.
When the engine does not start after warm-up operation:
If there is no abnormality found for the check items, open the throttle by about 1/3 and start the engine.
Run engine at idling, and set choke
lever to CLOSE.
19

19
554284 - Masport Blower OM - July 2010

554284 - Masport Blower OM - July 2010
Head Office - New Zealand
1-37 Mt Wellington Highway, Panmure, Auckland 1060
P.O. Box 14 349, Panmure, Auckland 1741
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