Husqvarna Blower 115 24 05 95 User Manual

Operator’s manual  
WARNING  
The engine exhaust from this product contains  
chemicals known to the State of California to cause  
cancer, birth defects or other reproductive  
150BT  
WARNING  
Before using our products, please read this manual  
carefully to understand the proper use of your unit.  
English  
115 24 05-95  
 
English  
Contents  
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4  
SAFETY FIRST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4  
Notes on types of warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4  
Warning labels on the machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4  
Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4  
Symbols on the machine. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5  
Safety Precautions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5  
WORKING CONDITIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6  
WORKING CIRCUMSTANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6  
AVOID NOISE PROBLEM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6  
WORKING PLAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6  
FUEL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6  
BEFORE STARTING THE ENGINE . . . . . . . . . . . . . . . . . . . . . . . . . 7  
USING THE PRODUCT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7  
MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8  
TRANSPORTATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8  
STORAGE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8  
What is what?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9  
Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10  
Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11  
SWIVEL JOINT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11  
THROTTLE LEVER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11  
THROTTLE CABLE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11  
BLOWER TUBES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11  
HARNESS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11  
WAIST BELT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12  
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13  
FUEL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13  
HOW TO MIX FUEL . . . . . . . . . . . . . . . . . . . . . . 13  
FUELING THE UNIT . . . . . . . . . . . . . . . . . . . . . . 13  
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14  
STARTING ENGINE . . . . . . . . . . . . . . . . . . . . . . 14  
ADJUSTING IDLE SPEED. . . . . . . . . . . . . . . . . . 15  
STOPPING ENGINE . . . . . . . . . . . . . . . . . . . . . . 15  
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16  
AIR CLEANER. . . . . . . . . . . . . . . . . . . . . . . . . . . 16  
FUEL FILTER. . . . . . . . . . . . . . . . . . . . . . . . . . . . 16  
SPARK PLUG . . . . . . . . . . . . . . . . . . . . . . . . . . . 17  
MUFFLER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17  
SPARK ARRESTER . . . . . . . . . . . . . . . . . . . . . . . 17  
AIR INLET NET . . . . . . . . . . . . . . . . . . . . . . . . . . 17  
IGNITION COIL AIR GAP INSPECTION . . . . . . . 18  
SHOLDER STRAP. . . . . . . . . . . . . . . . . . . . . . . . 18  
Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18  
3
 
English  
Safety  
Notes on types of warnings  
SAFETY FIRST  
WARNING  
Instructions contained in warnings within this manual  
and warning seals marked with a symbol on the  
Instructions labeled as shown above, concern  
critical steps or procedures which must be fol-  
lowed in order to prevent accidents which could  
lead to serious bodily injury or death.This mark is  
used to indicate instructions which must be fol-  
lowed without exception.  
blower concern critical points which must be taken into  
consideration to prevent possible serious bodily injury,  
and for this reason you are requested to read all such  
instructions carefully and follow them without fail.  
IMPORTANT  
Instructions labeled as shown above concern  
steps or procedures which, if not followed  
correctly, could lead to mechanical failure,  
breakdown, or damage.  
NOTE  
Used to label supplementary instructions  
designed to provide hints or directions useful in  
the use of the product.  
Warning labels on the machine  
Symbols  
The blower can forcibly throw  
objects that can bounce back. This  
can result in serious eye injuries if  
the recommended safety equipment  
is not used.  
WARNING! The machine can be a  
dangerous tool if used incorrectly or  
carelessly, which can cause serious  
or fatal injury to the operator or  
others.  
The blower operator must  
make sure that no  
bystanders or animals come  
nearer than 50 feet (15  
meters). Whenever several  
Please read the operator’s manual  
carefully and make sure you  
understand the instructions before  
using the machine.  
operators are working in the same work area, they  
should maintain a safe distance of at least 50 feet (15  
meters) from one another.  
A breathing mask should be used  
when there is a risk of dust.  
Always wear:  
- Hearing protection  
- Approved eye protection  
Keep all parts of your body away from  
hot surfaces.  
Always wear protective gloves.  
Wear study, non-slip boots  
Other symbols/decals on the machine refer to  
special certification requirements for certain  
markets.  
IMPORTANT  
If the warning label peels off or becomes soiled  
and impossible to read, you should contact the  
dealer from which you purchased the product to  
order new labels and affix them in the required  
location(s).  
4
 
English  
Symbols on the machine  
(c)  
(a)  
(b)  
(d)  
For safe operation and maintenance, symbols are carved in relief on the machine. Using to these indications, please  
be careful not to make a mistake.  
(c) The direction to open the choke  
Position: INTAKE CUP  
(a) The port to refuel the "MIX GASOLINE"  
Position: FUEL TANK CAP  
(d) The direction to stop the engine  
Position: THROTTLE LEVER  
(b) The direction to close the choke  
Position: INTAKE CUP  
(e) The emission information label  
<FOR EPA & CARB>  
*1 : THE ACTUAL MANUFACTURING MONTH WILL BE  
PRINTED.  
This engine label certifies that the product is certified in  
accordance with American exhaust emissions  
requirements EPA Ph III and CARB Tier III. The  
Emissions Compliance Period referred to on the  
emissions Compliance label indicates the number of  
operating hours for which the engine has been shown to  
meet Federal and California emission requirements.  
A : Model B : ENGINE  
FAMILY  
C : ENGINE  
DISPLACEMENT  
*2  
150BT  
50cc  
7KZXS.0505BP  
*2 : THE INITIAL NUMBER WILL BE CHANGED EVERY  
YEAR OF MANUFACTURING.  
For customer assistance call: 704-921-7000 or contact  
Safety Precautions  
8. Under no circumstances may the design of  
the machine be modified without the  
WARNING  
permission of the manufacturer. Always use  
genuine accessories. Non-authorized  
modifications and/or accessories can result  
in serious personal injury or the death of the  
operator or others.  
1. Read this Blower Operator Manual carefully. Be  
sure you understand how to operate this unit  
properly before you use it. Failure to do so  
could result in serious injury.  
2. Be sure to keep this manual  
9. A blower is a dangerous tool if used  
carelessly or incorrectly and can cause  
serious, even fatal injuries. It is extremely  
important that you read and understand the  
contents of this Operator’s manual.  
10. Husqvarna AB has a policy of continuous  
product development and therefore reserves  
the right to modify the design and appearance  
of products without prior notice.  
11. The machine is only designed for blowing  
lawns, pathways, asphalt roads and the like.  
handy so that you may refer to  
it later whenever any questions  
arise. Also note that you are  
requested to contact the dealer  
from whom you purchased the  
product for assistance the  
event that you have any questions which  
cannot be answered herein.  
3. Always be sure to include this manual when  
selling, lending, or otherwise transferring the  
ownership of this product.  
4. Do not lend or rent your machine without the  
owner's manul.  
5. Be sure that anyone using your unit understands  
the information contained in this manual.  
6. Never let a child use the machine.  
7. Long-term exposure to noise can result in  
permanent hearing impairment. So always  
use approved hearing protection.  
5
 
English  
Safety Precautions  
WORKING CONDITIONS  
WORKING CIRCUMSTANCE  
1. Refrain from operating the blower if you are tired, ill,  
or upset, or if you are under the influence of alcohol,  
drugs or medication  
1. To reduce the risk of injury  
associated with exhaust fume  
inhalation, do not operate in  
2. To reduce the risk of hearing loss associated with  
soundlevelsh,earingprotectionirsequired.  
3. To reduce the risk of injury  
unventilated area. The exhaust  
gases contain harmful carbon  
monoxide.  
associated with thrown objects,  
2. Avoid using the blower where  
stable footing and balance are  
not assured.  
always wear eye protection and  
foot protection. Approved  
protective goggles must comply  
3. Never operate the machine in high wind, bad  
weather, potentially explosive atmosphere, when  
visibility is poor or in very high or low temperatures.  
(Our recommended use environment is below 40  
degrees C (104 degrees F).)  
with standard ANSI Z87.1 in the  
USA or EN 166 in EU countries.  
4. To reduce the risk of injury  
associated with the inhalation of  
dust, use a face filter mask in dusty  
conditions.  
5. Wear rubber-soled shoes or shoes  
with some other form of anti-slip  
protection to help protect you  
against falling.  
6. To reduce the risk of injury  
associated with objects being  
drawn into rotating parts, do not  
wear loose clothing, scarves, neck  
chains, hair longer than shoulder  
length, or other loose material.  
AVOID NOISE PROBLEM  
NOTE  
Check and follow the local regulations as to sound  
levels and hours of operations for blower.  
1. Operate power equipment only at reasonable hours,  
not early in the morning or late at night when people  
might be disturbed. Comply with times listed in local  
ordinances.  
2. To reduce sound levels, limit the number of pieces  
of equipment used at any one time.  
3. Operate power blowers at the lowest possible  
throttle speed to do the job.  
7. Prolonged use of a blower, exposing the operator to  
vibrations and cold, may produce whitefinger  
disease (Raynaud’s phenomenon), the symptoms of  
which include tingling and burning sensations  
followed by loss of color and numbness in the  
fingers. All factors which contribute to whitefinger  
disease are not known, but cold weather, smoking  
diseases or physical conditions as well as long  
periods of exposure to vibration are mentioned as  
factors. In order to reduce the risk of whitefinger  
disease, the following precautions are strongly  
recommended  
4. Check your equipment before operation, especially  
the muffler, air intakes and air filters.  
WORKING PLAN  
-
To reduce the risk of health damages, avoid  
excessive use and take sufficient time to rest.  
FUEL  
WARNING  
a) Keep your body warm. Avoid using the blower  
during rain.  
To reduce the risk of fire and burn injury:  
b) Take more than 5 minutes of  
break in a warm place fre-  
a) Handle fuel with care. It is  
highly flammable.  
b) Do not smoke while handing  
fuel.  
c) Do not refuel a hot engine.  
d) Do not refuel a running engine.  
e) Avoid spilling fuel or oil. Always  
wipe unit dry before using.  
f ) Move at least 10 ft. (3 meters) away from the  
fueling point before starting the engine.  
g) Always store gasoline in a container approved  
for flammable liquids.  
h) Make sure the unit is properly assembled and in  
good operating condition.  
i ) Do not use the blower near a  
fire, as aiming the blower in the  
direction of a flame may cause  
flammable substances to ignite.  
quently.  
c) Maintain a firm grip at all  
times, but do not squeeze the  
handles with constant, exces-  
sive pressure.  
d) If you feel discomfort, red-  
ness and swelling of your fingers or any other  
part of your body, see a doctor before it gets  
worse.  
8. The ignition system of your unit produces an  
electromagnetic field of a very low intensity. This  
field may interfere with some pacemakers. To  
reduce the risk of serious or fatal injury, people with  
pacemaker should consult their physician and the  
pacemaker manufacturer before operating this tool.  
6
 
English  
Safety Precautions  
2. To reduce the risk of injury associated with thrown  
BEFORE STARTING THE  
objects.  
ENGINE  
a) Watch out for children, pets, open windows or  
freshly washed cars, and blow debris safely  
away.  
b) Use the full blower tube extension so the air  
stream can work close to the ground.  
c) Do not allow bystanders in work area.  
Each time before starting the engine, inspect the entire  
unit to see if every part is in good order and is securely  
tightened in place. If any damage is found in the fuel  
line, the exhaust line, or the ignition wiring, do not use  
the blower until it has been repaired.  
d)Do not point the  
IMPORTANT  
blower tube in the  
direction of  
Before starting operation, always make sure to  
check if any obstacles are left inside the volute  
case and net.The obstacles may cause serious  
injury or damage to fan and volute case.  
people or pets.  
e) Always check to  
be sure that no  
debris has been  
blown onto someone else’s property.  
f) Pay attention to the direction of the wind, do not  
work against the wind.  
3. To minimize blowing time.  
a) Use rakes and brooms to loosen debris before  
blowing.  
b) In dusty conditions, slightly dampen surfaces or  
use a mister attachment when water is available.  
c) Conserve water by using power blowers instead  
of hoses for many lawn and garden  
applications, including areas such as gutters,  
screenps,atiogs,rillps,orcheasngdarden.s  
4. The blower must not be used  
while on a ladder or scaffolding.  
WARNING  
Check to see if the shock-absorbers <A> have  
become cracked or otherwise damaged. Note that  
failing to replace these rubber and spring mounts  
when they have become cracked or damaged may  
cause the engine to come loose from its frame during  
use, thus resulting in possible serious bodily injury.  
5. Never put the machine down with  
the engine running unless you  
have it in clear sight.  
6. Never touch the spark plug or  
plug cord while the engine is in  
operation. Doing so may result in  
being subjected to an electrical  
shock.  
If cracked, be sure to replace without delay.  
WARNING  
To reduce the risk of injury associated with contact-  
ing rotating parts, stop the engine before installing  
or removing attachments. Never take off the Guard  
Net <B>.  
7. Never touch the muffler, spark  
plug, or other metallic parts of the  
engine, or area around the engine  
cover while the engine is in  
operation or immediately after  
shutting down the engine. These  
metallic parts reach high  
Always disconnect the spark plug before performing  
maintenance or accessing movable parts.  
<A>  
<B>  
temperatures during operation  
and doing so could result in  
serious burns.  
WARNING  
<A>  
The temperature of the machine  
may increase after stopping the  
engine. Especially never forget to  
cool down the engine before refu-  
eling the machine.  
USING THE PRODUCT  
8. If the engine catches fire or in any other emergency  
situation that requires you to free yourself from the  
machine, open the buckle in the waist belt and drop  
the machine backward.  
WARNING  
While using the product, if abnormal noise or  
vibration occurs, stop the engine immediately and  
contact the nearest Husqvarna servicing dealer  
for assistance. Checking the fan is very important.  
If the rotating fan should break up, it might lead to  
serious accidents.  
9. After using blowers and other equipment, CLEAN  
UP! Dispose of debris in trash receptacles.  
1. Check the work area that the blower will be used in  
and remove or cover all valuables that may be  
damaged by the air blast or thrown debris.  
7
 
English  
Safety Precautions  
MAINTENANCE  
TRANSPORTATION  
1. In order to maintain your product in proper working  
order, perform the maintenance and checking  
operations described in the manual at regular  
intervals.  
-
Drain the fuel from the fuel tank before  
transporting or storing the blower.  
-
-
Secure the blower so that it does nor receive  
damage from shock doing transportation.  
Do not apply strong forces to the blower, such  
as throwing it or dropping it. Doing so in  
validates the warranty.  
2. Always be sure to turn off the engine and  
disconnect the spark plug before performing any  
maintenance or checking procedures.  
WARNING  
STORAGE  
The metallic parts, engine cover, and area around  
the engine reach high temperatures immediately  
after stopping the engine.  
-
When storing the blower, choose a space  
indoors, dry, cool and dark, well-ventilated, free  
from dust and out of reach of children.  
3. Examine the blower at intervals for loose fasteners  
and rusted or damaged parts. Use special care  
around the fuel line, the muffler, and the ignition  
wiring.  
4. All engine service except for those described in this  
manual should be performed by competent service  
personnel. Improper service to the blower fan and  
muffler could cause a hazardous failure.  
5. When replacing the any other part or any lubricant,  
always be sure to use only Husqvarna products or  
products which have been certified by Husqvarna  
for use with the Husqvarna product.  
6. In the event that any part must be replaced or any  
maintenance or repair work not described in this  
manual must be performed, please contact the  
nearest Husqvarna servicing dealer for assistance.  
7. Do not use any accessory or attachment other than  
those bearing the Husqvarna mark and  
recommended for the unit.  
8. Under no circumstances should you ever take apart  
the product or alter it in any way. Doing so might  
result in the product becoming damaged during  
operation or the product becoming unable to  
operate properly.  
8
 
English  
What is what?  
<150BT>  
1
2
3
13  
14  
17  
8
6
10  
7
18  
20  
4
12  
11  
16  
5
15  
9
19  
1. Frame  
12. Recoil Starter  
2. Harness  
13. Stop Switch with Throttle Position Setting  
14. Engine Cover  
15. Fan  
16. Shock Absorber (Rubber)  
17. Flexible Hose  
18. Pipes  
19. Pad  
20. Concentrator Nozzle (Option)  
21. “EMISSION” Label  
3. Spark Plug Cap  
4. Throttle Lever  
5. Net  
6. Choke Lever  
7. Air Cleaner  
8. Volute Case, Cover  
9. “CAUTION” Label  
10. Elbow  
11. Fuel Tank  
DISPOSAL  
When disposing your machine, fuel or oil for the machine, be sure to allow your local regulations.  
Frame:  
Harness:  
Throttle lever:  
PE (Polyethylene)  
Chemical fiber  
Metal, Plastic  
Volute case, Volute cover, Engine cover: PA66GF (Glass-reinforced nylon), Brass  
Pad:  
Flexible hose:  
Pipes:  
Fan:  
Element:  
Chemical fiber  
EVA (Ethylene vinyl acetate)  
PP (Polypropylene), PE (Polyethylene)  
PA66GF (Glass-reinforced nylon)  
Urethane  
* The insert nut of volute case, and fan can be taken off.  
9
 
English  
Technical data  
MODEL  
150BT  
Dimensions (L x W x H) mm (in)  
Dry Weight kg (lbs) (including pipe)  
Dry Weight kg (lbs) (without accessories)  
Fuel Tank Capacity liter (fl. oz)  
351x446x479 (13.8x17.6x18)  
10.2 (22.5)  
9.5 (20.9)  
1.25 (42.3)  
Air cooled 2-cycle gasoline  
engine  
Engine Type  
Piston Displacement cu. cm (cu. in)  
Air Filter  
50.2 (3.1)  
Single stage filter  
(half wet)  
Carburetor (Diaphragm) valve type  
Ignition System  
Rotary  
Digital Ignition  
NGK CMR7H  
Spark arrester equipped  
2200  
Spark Plug  
Muffler  
Idle speed rpm  
Operating Engine Speed rpm  
2200 to 6500  
1.02 (34.5)  
12.3 (434)  
Fuel Consumption liter/h (fl. oz/h)  
Average Air Volume (w/std Pipe) cu. m/min (cf/m)  
Average Air Volume (w/concentrator nozzle) cu. m/min (cf/m)  
Average Air Volume (@ housing) cu. m/min (cf/m)  
Air velocity m/sec (w/std Pipe) (mph) (Maximum)  
Air velocity m/sec (w/concentrator nozzle) (mph) (Maximum)  
Noise Level (50 Feet ANSI B175.2-2000) dB(A)  
5.4 (191)  
20.1 (710)  
96 (215)  
112 (251)  
72  
Sound power level  
105  
106  
94  
EC directive 2000/14/EC, measured dB (A)  
Sound power level  
EC directive 2000/14/EC, guaranteed dB (A)  
Noise pressure level at the operators ear (LpAeq)  
prEN15503 (ISO7917) dB (A)  
Vibration level at idle, right handle  
prEN15503 (ISO7916) m/s  
2.9  
2
Vibration level at max, speed, right handle  
prEN15503 (ISO7916) m/s  
2.5  
2
- The data shown above are those in the case of one straight pipe.  
- Specifications are subject to change without notice.  
10  
 
English  
Assembly  
SWIVEL JOINT  
1. Connect the blower and swivel joint with flexible hose. Clamp both  
ends of the flexible hose securely with the hardware supplied with the  
unit.  
F1  
F2  
F3  
NOTE  
A light lubricant may be used to ease assembly of flexible hose to  
blower elbow.  
THROTTLE LEVER  
1. Set up the clamp to the swivel and tighten the screw on the clamp.  
(1) Clamp  
(2) Swivel  
(3) Screw  
THROTTLE CABLE  
1. Use the clamp to fasten the colgate tube containing the throttle cable  
and the power cable to the hose.  
(1) Clamp  
(2) Cable  
(3) Hose  
BLOWER TUBES  
F4  
F5  
1. Align the protrusion and the groove provided on the tube ends and  
twist the tube until the connection is locked.  
NOTE  
A light lubricant may be used to ease assembly of blower tube.  
NOTE  
If longer tube is required, the second straight pipe can be  
connected with the first one.  
(1)  
If higher air speed is required, the round blow pipe can be replaced  
by the concentrator nozzle.  
(1) Concentrator nozzle (option)  
HARNESS  
NOTE  
The harness must always be worn when working with the machine.  
Failure to do so means you will be unable to maneuver safely and  
this can result in injury to yourself or others.  
A correctly adjusted harness and machine significantly facilitates the  
work. Adjust the harness to give the best working position.  
F6  
11  
 
English  
Assembly  
Tighten the side straps so that the pressure is evenly distributed across  
the shoulders.  
F7  
WAIST BELT  
F8  
-
The waist belt is attached to the rings on the left and right sides of the  
frame.  
Place the waist belt around your waist and not too far down on the  
stomach. Tighten the waist belt strap so that you feel the weight of the  
blower resting on your hip.  
F9  
-
Be sure to always tighten the buckle in front of your body.  
WARNING  
- If you are not using a waist belt, be sure to remove it from the  
unit and store it.  
- There is a risk that the belt will be caught, toppling the unit.  
- There is a danger that the belt will be sucked into the fan.  
F10  
12  
 
English  
Fuel  
FUEL  
FUELING THE UNIT  
1. Untwist and remove the fuel cap.  
2. Put fuel into the fuel tank to 80% of the full capacity.  
3. Fasten the fuel cap securely and wipe up any fuel  
spillage around the unit.  
WARNING  
-
Gasoline is very  
flammable. Avoid smoking  
or bringing any flame or  
sparks near fuel. Make  
sure to stop the engine  
and allow it cool before  
refueling the unit. Select  
outdoor bare ground for  
fueling and move at least  
10ft (3m) away from the  
fueling point before  
WARNING  
1. Select bare ground for fueling.  
2. Move at least 10 feet (3 meters) away from the  
fueling point before starting the engine.  
3. Stop the engine and let it cool for a few  
minutes before refueling the unit. At that time,  
be sure to sufficiently agitate the mixed  
gasoline in the container.  
starting the engine.  
4. Do not smoke or place hot objects near fuel.  
-
The engines are lubricated  
by oil specially formulated  
for air-cooled 2-cycle  
gasoline engine use. If  
Husqvarna oil is not  
available, use an anti-oxidant  
added quality oil expressly  
labeled for air-cooled 2-cycle  
engine use. (JASO FC  
GRADE OIL or ISO EGC  
GRADE)  
Do not use BIA orTCW (2-  
stroke water-cooling type)  
mixed oil.  
FORYOUR ENGINE LIFE, AVOID;  
1. FUEL WITH NO OIL (RAW GASOLINE) - It will cause  
severe damage to the internal engine parts very  
quickly.  
-
2. GASOHOL - It can cause deterioration of rubber  
and/or plastic parts and disruption of engine  
lubrication.  
RECOMMENDED MIXING RATIO  
GASOLINE 50:OIL 1  
3. OIL FOR 4-CYCLE ENGINE USE - It can cause  
spark plug fouling, exhaust port blocking, or piston  
ring sticking.  
4. Mixed fuels which have been left unused for a  
period of one month or more may clog the  
carburetor and result in the engine failing to operate  
properly.  
5. When storing the product for a long period of time,  
clean the fuel tank after rendering it empty. Next,  
activate the engine and empty the carburetor of the  
composite fuel.  
6. When scrapping the used mixed oil container, scrap  
it only at an authorized repository site.  
-
Exhaust emission are  
controlled by the  
fundamental engine parameters and  
components (i.e., carburation, ignition timing  
and port timing) without addition of any major  
hardware or the introduction of an inert material  
during combustion.  
-
-
-
These engines are certified to operate on  
unleaded gasoline.  
Make sure to use gasoline with a minimum  
octane number of 89 RON (USA/Canada: 87AL)  
If you use a gasoline of a lower octane value than  
specified, there is a danger that the engine  
temperature may rise and an engine problem  
such as piston seizing may consequently occur.  
Unleaded gasoline is recommended to reduce  
the contamination of the air for the sake of your  
health and the environment.  
NOTE  
-
-
For details of quality assurance, read the  
description in the Warranty section carefully.  
Moreover, normal wear and change in product  
with no functional influence are not covered by  
the warranty. Also, note that if the usage in the  
instruction manual is not observed for the mixed  
gasoline, etc. as described herein, it may not be  
covered by the warranty.  
Poor quality gasolines or oils may damage  
sealing rings, fuel lines or fuel tank of the engine.  
HOW TO MIX FUEL  
IMPORTANT  
Pay attention to agitation.  
1. Measure out the quantities of gasoline and oil to be  
mixed.  
2. Put some of the gasoline into a clean, approved fuel  
container.  
3. Pour in all of the oil and agitate well.  
4. Pour in the rest of gasoline and agitate again for at  
least one minute. As some oils may be difficult to  
agitate depending on oil ingredients, sufficient  
agitation is necessary for the engine to last long.  
Note that, if the agitation is insufficient, there is an  
increased danger of early piston seizing due to an  
abnormally lean mixture.  
5. Indicate the contents on outside of container for  
easy identification to avoid mixing with raw gasoline  
or other containers.  
13  
 
English  
Operation  
STARTING ENGINE  
IMPORTANT  
-
Avoid operating the blower with the flexible tube and swivel  
joint disconnected.That will reduce the cooling air and the  
engine could be damaged by overheating.  
F11  
(1)  
(3)  
(4)  
1. Push the primer bulb until fuel flows out in the clear tube.  
2. When the engine is cool, close the choke.  
(1)Choke Lever  
(2)Primer Bulb  
(3)OPEN  
(2)  
(4)CLOSE  
3. Set the throttle lever position. About 1/3 open.  
F12  
F13  
(1)Full Throttle  
(2)About 1/3 Open  
(3)Idling  
(4)STOP as shown in F12  
4. To start, hold the top of the blower firmly with your left hand. Pull the  
starter knob slowly until you feel it engage and then give it a vigorous  
strong pull.  
IMPORTANT  
-
-
Never twist the starter cord around your hand.  
Avoid pulling the starter rope out to its full extent and allowing the  
starter rope to snap back.This will prevent premature damage to  
the starter.  
-
Do not let a person stand near the blower or the exhaust port.  
5. Once the engine is running, gradually open the choke if it was set  
closed, and let the engine run at idle speed for a minute to warm it up.  
NOTE  
When the engine fails to start after several attempts due to  
overchoking, open the choke and repeat pulling the rope.  
WARNING  
Air comes out as soon as the engine is started, even at idle speed.  
14  
 
English  
Operation  
ADJUSTING IDLE SPEED  
F14  
F15  
-
The idling speed is set for 2200 rpm at the factory. If it is necessary to  
adjust the idle speed, use the adjustment screw on the top side of the  
carburetor.  
(1)  
(1)Idling Adjustment Screw  
STOPPING ENGINE  
-
Move the throttle lever to the STOP position.  
(1)Stop  
NOTE  
If the engine does not stop when setting the ignition switch to the  
stop position, close the choke lever and stop the engine.  
In this case, please repair the machine at your nearest servicing  
dealer.  
F16  
(1)  
(2)  
(3)  
(1)Choke Lever  
(2)OPEN  
(3)CLOSE  
15  
 
English  
Maintenance  
Maintenance, replacement, or repair of the emission control device and systems may be performed by any non-road  
engine repair establishment or individual.  
Daily or  
Every 25  
Every 50  
Every 100  
System/Compornent  
Air Filter  
Fuel Leaks  
Fuel Filter  
Fuel Line  
Spark Plug  
Muffler  
Bolts on muffler  
Entire unit  
Muffler Spark Arrester  
Cooling System  
Screws/Nuts/Bolts  
Cylinder Exhaust Port  
Procedure  
Before use  
hours after hours after hours after  
Inspect/Clean  
Inspect/Replace  
Inspect/Replace  
Inspect/Clean  
Inspect/Clean  
Inspect/Clean  
Tighten  
Inspect/Replace  
Inspect/Clean  
Inspect/Clean  
Tighten  
x
x
x
x
x
x
x
x
x
x
x
x
Inspect/Clean  
x
WARNING  
Make sure that the engine has stopped and is cool before performing  
any service to the blower. Contact with rotating blower fan or hot  
muffler may result in a personal injury.  
AIR CLEANER  
-
Check the air cleaner before use.  
A clogged air filter may increase fuel consumption while cutting down the engine power.  
Never operate the blower without an air filter or with a deformed or broken filter element because unfiltered dusty  
air will quickly ruin the engine.  
-
F17  
(1)  
CLEANING AIR FILTER:  
(2)  
1. Unscrew the 2 knobs and remove the air cleaner cover.  
(1) Knob  
(3) Screen  
(2) Element  
(4) Packing  
2. Wash the filter element with neutral detergent and warm water and then dry  
completely.  
(Clean the air filter once in the week.)  
3. Moisten the filter element with a small amount of filter oil.  
(3)  
(4)  
NOTE  
-
-
Do not apply 4 cycle motor oil as they may damage element.  
Do not use mixture gasoline.This type of gasoline does not contain  
much of oil, so that the element becomes dry after a few hours.  
Soak the filter element into filter oil.  
Squeeze the element to remove excess oil so that it weighs 2 to 3 times  
heavier than it was dried.  
-
-
4. Reinstall the element into the packing,set the packing into the air cleaner  
body.  
Never forget to attach the screen properly. If the screen is not attached, the  
cleaner will not seal properly and the dusts come into the cylinder.  
5. Reinstall the air cleaner cover and screw the 2 knobs.  
FUEL FILTER  
F18  
-
A clogged fuel filter may cause poor acceleration of the engine. Check  
periodically to see if the filter is clogged with dirt. The filter can be taken out of  
the fueling port using a small wire hook. Disconnect the filter assembly from  
the fuel pipe and unhook the retainer to disassemble it. Clean the components  
with gasoline.  
(1) Screen  
(3) Holder  
(2) Element (x 2)  
(4) Retainer  
16  
 
English  
Maintenance  
SPARK PLUG  
F19  
-
The spark plug may gather carbon deposits on its firing end with reasonable  
use. Remove and inspect the spark plug every 25 hours and clean the  
electrodes as necessary with a wire brush. The spark gap should be adjusted  
to .025 in (0.6 to 0.7mm).  
-
Plug manufacturers recommend replacing the plug twice a year to avoid  
unexpected plug failure in a job.  
REPLACEMENT PLUG IS A NGK CMR7H.  
IMPORTANT  
-
Note that using any spark plugs other than those designated may  
result in the engine failing to operate properly or in the engine  
becoming overheated and damaged.  
To install the spark plug, first turn the plug with your hands until it is  
tight, then tighten it a quarter turn more with a socket wrench.  
-
MUFFLER  
(2)  
F20  
WARNING  
Periodically inspect the muffler for loose fasteners, damage or corrosion.  
If any sign of exhaust leakage is found, do not use the blower and have it  
repaired immediately.  
(3)  
(4)  
1. Remove the muffler, insert a screwdriver into the vent, and wipe away any  
carbon buildup. Wipe away any carbon buildup on the muffler exhaust vent  
and cylinder exhaust port at the same time.  
2. Tighten all screws, bolts, and fittings.  
(1)  
(2)  
SPARK ARRESTER  
-
The muffler is equipped with a spark arrester to prevent red hot carbon from  
flying out of the exhaust outlet. Periodically inspect and clean as necessary  
with a wire brush.  
(1) Bolt  
(3) Spark Arrester  
(2) Bolt  
(4) Diffuser  
WARNING  
-
Before starting operation, always make sure to check if the muffler is  
properly held by the bolts (2).  
Fastening Torque: 8 to 12 N·m  
Also make sure that the spark arrester and the diffuser are properly  
attached with the bolts (1). (Fastening Torque : 2 to 3 N·m)  
-
AIR INLET NET  
F21  
IMPORTANT  
Blown air is taken in from the air inlet net. If the air flow drops during  
operation, stop the engine and inspect the air inlet net for blockage by  
obstacles.  
(1)  
-
Note that failure to remove any such obstacles may result in the engine  
becoming overheated and damaged.  
(1)Net  
WARNING  
Never use the blower without the net on the blower. Before each use,  
check that the net is attached in place and is free from any damage.  
17  
 
English  
Maintenance  
IGNITION COIL AIR GAP INSPECTION  
F22  
-
If the gap is not accurate or when installing the coil or rotor, adjust the air gap  
between the ignition coil and the iron core of the rotor.  
Air Gap: 0.40 mm (0.35 to 0.45 mm) / 0.016 in (0.014 to 0.017 in)  
(1) Rotor  
(2) Ignition coil  
SHOLDER STRAP  
F23  
-
If the shoulder strap is damaged it may break during use, thus causing the  
product to fall and resulting in personal injury. Follow the instructions below to  
replace the shoulder strap with new one.  
-
-
-
Take off the clip from the strap.  
Pass the end of the strap through the hanger.  
Return the clip to the strap.  
IMPORTANT  
Make sure that the thick round bar of the clip is in the strap.  
If it is attached in the wrong way, it leads to serious personal injury.  
Storage  
BEFORE STORING THE BLOWER:  
1. Drain the fuel tank and push the primer bulb until it becomes empty of fuel.  
2. Remove the spark plug and drop a spoonful of 2-cycle oil into the cylider. Crank the engine several time and install  
the spark plug.  
3. Store unit in a dry, cool and dark, well-ventilated, dust-free place, out of the reach of children.  
18  
 

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