Zenoah Blower MD6210M User Manual

115 33 81-10 (001)  
Original Instruction  
G
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OWNER’S MANUAL  
MISTER  
MD6210M  
 
MD6210M  
SAFETY PRECAUTIONS  
Contents  
Warning labels bearing the  
mark on the product and in this  
Manual refer to important safety matters. Please familiarize your-  
self with them and observe them well.  
1. Parts location .................................................. 3  
2. Specification ................................................... 4  
3. Symbols in the manual ................................... 4  
4. Symbols on the machine ................................ 4  
5. For safe operation........................................... 5  
6. Set up ........................................................... 11  
7. Fuel ............................................................... 12  
8. Operation ...................................................... 13  
9. Maintenance ................................................. 15  
10. Storage ......................................................... 17  
11. Disposal ........................................................ 17  
12. Troubleshooting guide .................................. 18  
If a warning label on the product becomes soiled or detached,  
please order a replacement label from your dealer and attach it  
in the requisite place.  
G
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PRECAUTIONS  
In this Operator's Manual, precautions that are considered to be  
particularly important are indicated as follows.  
WARNINGS IN THE MANUAL  
WARNING  
Failure to observe the precaution may result in the risk of death  
or serious injury.  
IMPORTANT  
Failure to observe the precaution may result in damage or mal-  
function of the product.  
NOTE  
Other additional explanations that may be of use when operat-  
ing the product.  
1. Parts location  
1. Flame  
2. Harness  
3. Engine cover  
4. Volute case  
5. Net  
6. Air clener cover  
7. Recoil starter  
1
5
2
10  
8. Fuel tank  
9. Spark plug  
10. Shock Absorber (Rubber)  
11. Shock Absorber (Rubber)  
12. Choke lever  
13. Material tank  
14. Stop switch  
15. Throttle lever  
16. Control handle  
17. Elbow  
29  
11  
28  
27  
18. Clamp (Large)  
19. Flexible hose  
20. Clamp (Small)  
21. Swivel joint  
22. Bend pipe  
23. Mist nozzle  
24. Intermediate valve  
25. Solution tube  
26. Clip  
27. Ower’s manual  
28. Plug wrench (Hexagon socket S13/S19 +  
Screw driver (cross head))  
29. Spanner (S8/S10)  
13  
26  
9
6
3
4
16  
24  
20  
25  
25  
17  
12  
7
14  
15  
23  
22  
21  
18  
19  
8
GB-3  
 
MD6210M  
2. Specification  
MODEL  
MD6210M  
Dimensions (LxWxH)**  
Dry weight*  
mm  
kg  
354x520x740  
12.7  
Fuel tank capacity  
Engine type  
Displacement  
Air filter  
liter  
1.8  
Air cooled 2-cycle gasoline engine  
cm3  
62.0  
Half wet polyurethane foam  
Carburetor  
Diaphragm, rotary valve type  
Ignition system  
Spark plug  
C.D.I.  
NGK BPMR7A (Noise-proof)  
Operating engine speed*  
Fuel consumption  
Container capacity  
Discharge  
Longitudinal coverage  
rpm  
liter/h  
liter  
l/min  
m
2000 to 8900  
1.9  
18  
4
12  
12  
Water  
Watet Horizontal  
Water Vertical  
m
* with standard pipe **without pipe  
Specifications are subject to change without notice.  
3. Warning labels on the machine  
(1) WARNING!The machine canbe a dangerous tool if used incorrectly  
or carelessly, which can cause serious or fatal injury to the opera-  
tor or others.  
(2) Read owner’s manual carefully and make sure you understand the  
instructions before using the machine.  
(3) Wear a protective mask, eye and ear protection.  
(4) Wear foot protecion.  
(5) Wear gloves.  
(6) Hot surface  
(1)  
(2)  
(3)  
(6)  
(4)  
(5)  
Avoid contact the hot surface during and immediately operation.  
Keep all children, bystanders and helpers 15 meters away from the machine.  
If 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).  
Never modify your machine.  
We won’t warrant the machine, if you use the  
remodeled machine or if you don’t observe the  
proper usage written in the manual.  
The port to refuel the “MIX GASOLINE”  
Position: FUEL TANK CAP  
4. Symbols on the ma-  
chine  
For safe operation and maintenance, symbols are carved  
in relief on the machine. According to these indications,  
please be careful not to make a mistake.  
The direction to close the choke  
Position: AIR CLEANER COVER  
The direction to open the choke  
Position: AIR CLEANER COVER  
GB-4  
 
MD6210M  
5. For safe operation  
from the chemical supplier re-  
garding personal proective  
equipment, usage of the chemi-  
cals, mixing and handling of the  
chemicals and waste.  
WARNING  
1. Read this manual carefully un-  
til you completely understand  
and follow all safety and oper-  
ating instructions.  
G
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2. Keep this manual handy so that  
you may refer to it later when-  
ever any questions arise. Also  
note, if you have any questions  
which cannot be answered  
herein, contact the dealer from  
whom you purchased the prod-  
uct.  
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 ma-  
chine without the owner's  
manual.  
5. Be sure that anyone using your  
unit understands the infomation  
contained in this manual.  
WORKING CONDITION  
1. Refrain from operating the ma-  
chine if you are tired, ill, or upset,  
or if you are under the influence  
of alcohol, drugs or medication.  
2. To reduce the risk of hearing loss  
associated with sound level(s),  
hearing protection is required.  
3. To reduce the risk of injury asso-  
ciated with thrown objects, al-  
ways wear eye protection and  
foot protection. Eye protection  
should meet the requirements of  
ANSI Z87.1.  
4. To reduce the risk of injury asso-  
ciated with the inhalation of dust,  
use a face filter mask.  
5. Wear sturdy 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 asso-  
ciated with objects being drawn  
into rotating parts, do not wear  
loose clothing, scarves, neck  
chains, hair longer than shoulder  
length, or other loose material.  
7. Prolonged use of a machine, ex-  
posing the operator to vibrations  
a n d c o l d m a y p ro d u c e  
whitefinger disease (Raynaud’s  
phenomenon), which symptoms  
are tingling and burning sensa-  
tions followed by loss of color and  
numbness in the fingers. All fac-  
tors which contribute to  
whitefinger disease are not  
known, but cold weather, smok-  
ing diseases or physical condi-  
tions as well as long periods of  
exposure to vibration are men-  
tioned as factors. In order to re-  
duce the risk of whitefinger dis-  
ease, the following precautions  
are strongly recommended;  
6. Never let a child under 13 years  
old use the machine.  
7. Long-term exposure to noise  
can result in permanent hear-  
ing impairment. So always use  
approved hearing protection.  
8. Under no circumstances may  
the design of the machine be  
modified without the permission  
of the manufacturer. Always use  
genuine accessories. Non-au-  
thorized modifications and/or  
accessories can result in seri-  
ous personal injury or the death  
of the operator or others.  
9. This machine is a dangerous  
tool if used carelessly or incor-  
rectly and can cause serious,  
even fatal injuries. It is ex-  
tremely important that you read  
and understand the contents of  
this Operator’s manual.  
10. Husqvarna Zenoah has a  
policy of continuous product  
development and therefore re-  
serves the right to modify the  
design and appearance of  
products without prior notice.  
11. The machine is mainly designed  
for the purpose of spraying pest  
control chemicals and weed kill-  
ers. Do not use it for other pur-  
pose, as this max cause unfore-  
seen accidents.  
a) Keep your body warm. Never use  
machine during rains.  
b) Wear thick anti-vibration gloves.  
c) Take more than 5 minutes of break  
in warm place frequently.  
d) Maintain a firm grip at all times,  
12. Always follow the instructions  
GB-5  
 
MD6210M  
5. For safe operation  
but do not squeeze the handles  
with constant, excessive pres-  
sures.  
etc., paying attention to stan-  
dards and the recommendations  
of farm work safety promotion or-  
ganizations.  
e) If you feel discomfort, redness  
and swelling of your fingers or any  
other part of your body, see a  
doctor before getting worse.  
WORKING CIRCUMSTANCE  
1. To reduce the risk of injury asso-  
ciated with exhaust fume inhala-  
tion, do not operate in  
unventilated area. The exhaust  
gases contain harmful carbon  
monoxide.  
2. Avoid using the machine where  
stable footing and balance are  
not assured.  
3. Never operate the machine in  
high wind, bad weather, poten-  
tially explosive atmosphere, when  
visibility is poor or in very high or  
low temperatures. (Our recom-  
mended use environment is be-  
low 40 degrees C (104 degrees  
F).)  
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, persons  
with pacemaker should consult  
their physician and the pace-  
maker manufacturer before oper-  
ating this tool.  
OTHER PRECAUTIONS  
• When engaged in spraying work  
over a protracted period of time,  
please have your health checked  
regularly.  
• Please carry out spraying in a  
planned fashion, keeping a daily  
record of the date and time of  
spraying, the chemicals used, the  
target pest, contents of the work,  
duration of the work, and other  
details.  
• Please keep the following points  
in mind when selecting or using  
protective gear.  
AVOID NOISE PROBLEM  
IMPORTANT  
Check and follow the local  
regulations as to sound level  
and hours of operations for  
machine.  
1. Operate machine only at reason-  
able hours-not early in the morn-  
ing 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 the machine at the low-  
est possible throttle speed to do  
the job.  
4. Check your equipment before op-  
eration, especially the muffler, air  
intakes and air filters.  
a) Protective clothing  
Choose clothing that is cool to  
wear and offers good ventilation  
and waterproofing. In addition,  
wear items that enable you to  
carry out spraying work in total  
comfort and safety.  
b) Spraying hood  
Use a hood with a brim that is  
waterproof and covers your neck  
and shoulders.  
c) Gloves  
Use gloves that are difficult for  
chemicals to penetrate and do  
not slip even if you perspire while  
doing the work.  
WORKING PLAN  
• When using for the first time, be-  
fore commencing actual spraying  
please receive guidance in oper-  
ating the product from a person  
with adequate experience.  
• When planning your work sched-  
ule, allow plenty of time to rest.  
Limit the amount of time over  
which the product is to be used  
continuously to somewhere  
d) Rubber apron  
When mixing chemicals, wear a  
long, thick, and wide apron that  
cannot be penetrated by chemi-  
cal splashes.  
e) Protective goggles, mask, etc.  
Select suitable protective  
goggles, mask, rubber boots, eye  
washer, and protective cream,  
GB-6  
 
MD6210M  
5. For safe operation  
around 30 ~ 40 minutes per ses-  
sion, and take 10 ~ 20 minutes of  
rest between work sessions. Also  
try to keep the total amount of  
work performed in a single day  
under 2 hours or less.  
• Prepare yourself physically on the  
day before spraying, by for ex-  
ample cutting down on alcoholic  
beverages or late-night work.  
• Do not allow children, animals,  
etc., to enter the chemical spray-  
ing area.  
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WARNING  
• Before spraying, please prepare  
fully by inspecting sprayer  
nozzles and checking for abnor-  
malities such as loose screws or  
spray hose connections, fuel  
leaks, defective or broken fluid  
gaskets, or damage to the carry-  
ing band.  
If you don’t observe the working  
time, or working manner, Repeti-  
tive Stress Injury (RSI) could oc-  
cur.  
If you feel discomfort, redness and  
swelling of your fingers or any  
other part of your body, see a doc-  
tor before getting worse.  
PRECAUTIONS WHEN  
TRANSPORTING CHEMICALS  
• When transporting chemicals,  
please handle with care to ensure  
that there is no spillage of chemi-  
cals from torn bags, broken  
bottles, or loose stoppers.  
PRECAUTIONS BEFORE  
SPRAYING  
• Make sure you have the correct  
protective clothing, headgear,  
rubber gloves and boots, a pro-  
tective mask, goggles, a towel,  
protective cream, etc., to prevent  
chemicals from coming into con-  
tact with your skin or entering your  
lungs. When spraying, please  
wear this protective gear to pre-  
vent any risk of injury.  
• Do not carry chemicals in the  
same container as food.  
PRECAUTIONS WHEN TRANS-  
PORTING THE SPRAYER  
• Do not transport the sprayer while  
it has chemicals or fuel in the tank,  
as these could leak out as a re-  
sult of impact during transporta-  
tion.  
• When transporting in a vehicle,  
please use a rope or similar to fix  
the sprayer firmly to the cargo  
trailer in an upright position.  
Please do not transport by bicycle  
or motorbike, as this is danger-  
ous.  
1. Protective headgear  
2. Protective goggles  
3. Protective mask  
4. Rubber boots  
5. Ear muffs  
6. Neck covering  
7. Protective clothing  
8. Rubber gloves  
9. Protective clothing  
FUEL  
WARNING  
To reduce the risk of fire and burn  
injury:  
• Please store chemicals in a  
locked storage box, locker, or  
other safe place out of the reach  
of children.  
• Carefully read the instructions for  
using the chemicals, and famil-  
iarize yourself with the level of tox-  
icity, method of use, etc.  
• Please pay all due consideration  
to the area in which you will be  
spraying, to ensure that you do  
not pollute the water supply, riv-  
ers, lakes, ponds, etc., or cause  
any damage to residents,  
passers-by, livestock, etc.  
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 be-  
fore starting engine.  
g) Always store gasoline in a con-  
GB-7  
 
MD6210M  
5. For safe operation  
tainer approved for flammable liq-  
uids.  
ciated with contacting rotating  
parts, stop the engine before in-  
stalling or removing attachments.  
Do not operate without net in  
place. Always disconnect the  
spark plug before performing  
maintenance or accessing mov-  
able parts.  
h) Make sure the unit is properly as-  
sembled and in good operating  
condition.  
i ) Do not use the machine near a  
fire, as aiming the machine in the  
direction of a flame may cause  
flammable substances to ignite.  
USING THE PRODUCT  
WARNING  
PRECAUTIONS WHEN  
REFILLING CHEMICALS  
• Before filling the tank with chemi-  
cals, please make sure that the  
spray lever is completely at rest.  
• After chemical refilling, firmly  
tighten the tank cap. If not fully  
tightened the cap may become  
loose during spraying, with the  
risk of physical exposure to the  
chemicals.  
While using the product, if abnor-  
mal noise or vibration occurs, stop  
the engine immediately and con-  
tact the nearest ZENOAH servic-  
ing dealer for assistance. Check-  
ing the fan is very important. If the  
rotating fan should break up, it  
might lead to serious accidents.  
1. This machine, mister, is a back-  
pack type, and is shouldered  
while operating. The blow tube is  
held with the control handle and  
operated by right hand. And then  
throttle is controlled by left hand.  
2. Since protective clothing gener-  
ally offers poor ventilation and  
thus places stress on the body,  
there is a risk of contracting heat-  
stroke or other illness when oper-  
ating for long periods under high  
temperatures. Please avoid  
spraying on hot days, aiming in-  
stead for early morning and late  
afternoon times when tempera-  
tures are relatively cool and winds  
are low.  
3. Check the work area that the ma-  
chine will be used in and remove  
or cover all valuables that may be  
damaged by the air blast or  
thrown debris.  
4. Make sure you can move and  
stand safely. Check the area  
around you for possible obstacles  
(roots, rocks, branches, ditches,  
etc.) in case you have to move  
suddenly. Take great care when  
working on sloping ground.  
BEFORE STARTING THE  
ENGINE  
• Each time before starting the en-  
gine, 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 igni-  
tion wiring, do not use the ma-  
chine until it has been repaired.  
IMPORTANT  
Before starting operation, al-  
ways make sure to check if any  
obstacles are left inside the vo-  
lute case and net.The obstacles  
may cause damage on fan and  
volute case and serious injury.  
WARNING  
• Check to see if the shock-absorb-  
ing rubber mount has become  
cracked or otherwise damaged.  
Note that failing to replace this  
rubber mount when it has be-  
come cracked or damaged may  
cause the engine to come loose  
from its frame during use, thus  
resulting in possible serious  
bodily injury.  
If the sprayer is tilted the chemi-  
cal may leak out through the air  
holes in the cap. When spraying  
always make sure you have a firm  
footing and maintain your bal-  
ance.  
• If cracked, be sure to replace  
without delay.  
WARNING  
5. To reduce the risk of injury asso-  
ciated with thrown objects.  
To reduce the risk of injury asso-  
GB-8  
 
MD6210M  
5. For safe operation  
a) When starting work, please pay  
all due consideration to the spray-  
ing time, wind direction, etc., to  
ensure that no noise disturbance  
or chemical hazard is caused to  
nearby residents, passers-by,  
farm crops, and so on.  
b) Watch out for children, pets, open  
windows or freshly washed cars,  
and blow debris safely away.  
c) Do not allow bystanders in work  
area.  
While spraying please hold the  
pipe firmly at all times and be  
careful not to point the nozzle in  
the direction of people or animals.  
d) Always check to be sure that no  
debris has been blown onto  
someone else’s property.  
e) While spraying please be careful  
of the wind direction and always  
stand on the upwind side, to  
avoid spraying yourself with  
chemicals.  
consult a doctor immediately.  
When doing so, inform the doc-  
tor of the name of the chemical  
you were using, the conditions of  
use, etc.  
G
B
11. In an emergency, pull up the  
lower portion of both strap buck-  
les to loosen the straps. Move  
yourself away from the unit.  
12. After completing the work and  
tidying away chemicals and  
spraying tools, you should imme-  
diately take a bath or wash your  
hands, feet, face, etc. thoroughly  
with soap, as well as washing  
your mouth out.  
13. You should change all clothes  
worn, including underwear, and  
wash them thoroughly. Clothes  
worn during spraying should not  
be worn again the following day.  
14. After spraying, please limit your  
alcohol intake and rest thor-  
oughly by going to bed early. If  
you feel even slightly unwell,  
please see a doctor as soon as  
possible.  
f) Never point a blower tube toward  
an open flame to avoid the possi-  
bility of igniting the unit, causing  
injury to yourself or damage to  
surroundings.  
MAINTENANCE  
1. In order to maintain your product  
in proper working order, perform  
the maintenance and checking  
operations described in the  
manual at regular intervals.  
2. Always be sure to turn off the en-  
gine and disconnect the spark  
plug before performing any main-  
tenance or checking procedures.  
6. The machine must not be used  
while on a ladder or scaffolding.  
7. Never put the machine down with  
the engine running unless you  
have it in clear sight.  
8. Never to touch the spark plug or  
plug cord while the engine is in  
operation. Doing so may result in  
being subjected to an electrical  
shock.  
WARNING  
9. Never to touch the muffler, spark  
plug, or other metallic parts of the  
engine or engine cover while the  
engine is in operation or immedi-  
ately after shutting down the en-  
gine. These metallic parts and en-  
gine cover reach high tempera-  
tures during operation and doing  
so could result in serious burns.  
The metallic parts and engine  
cover reach high temperatures  
immediately after stopping the  
engine.  
3. Examine the machine 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 compe-  
tent service personnel. Improper  
service to the blower fan and muf-  
fler could cause a hazardous fail-  
ure.  
WARNING  
The temperature of the machine  
may increase after stopping the  
engine. Especially never forget to  
cool down the engine before refu-  
eling the machine.  
10. Should you begin to feel even  
slightly unwell while spraying,  
5. When replacing the any other  
GB-9  
 
MD6210M  
5. For safe operation  
part, or any lubricant, always be  
sure to use only ZENOAH prod-  
ucts or products which have been  
certified by ZENOAH for use with  
the ZENOAH product.  
DISPOSAL  
• When you dispose of the ma-  
chine, do not disassemble the  
machine.  
• Do not simply discard empty  
chemical containers, but dispose  
of them safely by incinerating,  
burying, or another similar  
method. In addition, please take  
every care that the water used to  
clean spraying tools does not cre-  
ate any hazard.  
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 a representative  
from the store nearest ZENOAH  
authorized servicing dealer for  
assistance.  
7. Do not use any accessory or at-  
tachment other than those bear-  
ing the ZENOAH mark and rec-  
ommended for the unit.  
• When disposing your machine,  
fuel or oil for the machine, be sure  
to allow your local regulations  
8. Under no circumstances should  
you ever take apart the product  
or alter it in any way. Doing so  
might result in the product be-  
coming damaged during opera-  
tion or the product becoming un-  
able to operate properly.  
TRANSPORTATION  
• Drain the fuel from the fuel tank  
before transporting or storing the  
machine.  
• Secure the unit carefully to pre-  
vent movement when it is trans-  
ported.  
• A unit that receives a strong  
shock during transport and un-  
loading may malfunction.  
STORAGE  
• When storing the machine,  
choose a space indoors free from  
moisture and out of the reach of  
children.  
• Please seal unused chemicals  
and store them out of the reach  
of children.  
• Fully inspect and maintain protec-  
tive clothing, masks, gloves, and  
other protective gear in prepara-  
tion for the next session.  
GB-10  
 
MD6210M  
6. Set up  
FLEXIBLE HOSE and 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. Fix the clamp  
(small) with the intermediate valve.  
BEND PIPE AND MIST NOZZLE  
• Connect the swivel joint and bend pipe. Push the pipes  
together and turn them so they lock in relation to one  
another until the connection is locked. Connect the  
mist nozzle to the bend pipe.  
G
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(5)  
(1)  
(3)  
(2)  
(4)  
(2)  
(1) Swivel joint  
(2) Bend pipe  
(3) Mist nozzle  
(3)  
(1)  
(4)  
(2)  
SOLUTION TUBE  
• Route the solution tube from material tank to the mist  
nozzle.  
(1) Flexible hose  
(2) Swivel joint  
(3) Clamp (Large)  
(4) Clamp (Small)  
(5) Intermediate valve (fixed with clamb (small))  
NOTE  
A light lubricant may be used to ease assembly of  
flexible pipe to blower elbow.  
CONTROL HANDLE  
• Set up the handle holder to the swivel joint and tighten  
the screw on the handle holder. Use the clamp to fas-  
ten the solution pipe to the pipe.  
(4)  
(4)  
(2)  
(1)  
(3)  
(1) Handle holder  
(2) Swivel joint  
(3) Screw  
(4) Clamp  
GB-11  
 
MD6210M  
7. Fuel  
FUEL  
2. Put some of the gasoline into a clean, approved fuel  
container.  
WARNING  
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 agi-  
tate depending on oil ingredients, sufficient agitation  
is necessary for the engine to last long. Be careful  
that, if the agitation is insufficient, there is an increased  
danger of early piston seizing due to abnormally lean  
mixture.  
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 refuel-  
ing the unit. Select outdoor bare ground for fuel-  
ing and move at least 3 m (10 ft) away from the  
fueling point before starting the engine.  
5. Indicate the contents on outside of container for easy  
identification. To avoid mixing up with gasoline or other  
containers.  
FUELING THE UNIT  
1. Untwist and remove the fuel cap. Rest the cap on a  
dustless place.  
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.  
• The Zenoah engines are lubricated by oil specially  
formulated for air-cooled 2-cycle gasoline engine use.  
If Zenoah oil is not available, use an anti-oxidant added  
quality oil expressly labeled for air-cooled 2-cycle en-  
gine use (JASO FC GRADE OIL or ISO EGC GRADE).  
• Do not use BIA or TCW (2-stroke water-cooling type)  
mixed oil.  
WARNING  
1. Select bare ground for fueling.  
2. Move at least 10 feet (3 meters) away from the fu-  
eling point before starting the engine.  
3. Stop the engine before refueling the unit. At that  
time, be sure to sufficiently agitate the mixed gaso-  
line in the container.  
4. Do not smoke or place hot object near fuel.  
RECOMMENDED MIXING RATIO  
GASOLINE 50 : OIL 1  
<when using ZENOAH genuine 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.  
3. OIL FOR 4-CYCLE ENGINE USE – It can cause spark  
plug fouling, exhaust port blocking, or piston ring stick-  
ing.  
4. Mixed fuels which have been left unused for a pe-  
riod of one month or more may clog the carburetor  
and result in the engine failing to operate properly.  
5. In the case of 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.  
Exhaust emission are controlled by the funda-  
mental engine parameters and components (eq.,  
carburation, ignition timing and port timing) with-  
out addition of any major hardware or the intro-  
duction 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 89RON (USA/Canada: 87AL).  
• If you use a gasoline of a lower octane value than  
prescribed, there is a danger that the engine tem-  
perature 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.  
6. In the case of scrapping the used mixed oil container,  
scrap it only at an authorized repository site.  
• Poor quality gasolines or oils may damage sealing  
rings, fuel lines or fuel tank of the engine.  
NOTE  
• As for details of quality assurance, read the descrip-  
tion in the section Limited Warranty carefully. More-  
over, normal wear and change in product with no func-  
tional influence are not covered by the warranty. Also,  
be careful that, if the usage in the instruction manual  
is not observed as to the mixed gasoline, etc. de-  
scribed therein, it may not be covered by the war-  
ranty.  
HOW TO MIX FUEL  
IMPORTANT  
Pay attention to agitation.  
1. Measure out the quantities of gasoline and oil to be  
mixed.  
GB-12  
 
MD6210M  
8. Operation  
CONTROL ARM  
ADJUSTING IDLE SPEED  
• Hold the upper end of the control arm in hand and,  
while pulling it away from the unit, rotate arm forward  
(anti-clockwise as the arrow direction) until it clicks.  
To fold the arm, reverse the order.  
• The idling speed is set for 2000 rpm at the factory. If it  
is necessary to adjust the idle speed, use the adjust-  
ment screw on the top side of carburetor.  
G
B
(1)  
(1)Idling adjustment screw  
1. Push the primer bulb until fuel flows out in the clear  
tube.  
2. When the engine is cool, close the choke.  
STOPPING ENGINE  
• Move the throttle lever to the idling position and press  
the stop swich (red button) until the engine comes to  
a complete stop.  
(1)  
(1)Choke lever  
(2)Primer bulb  
(3)OPEN  
(4)CLOSE  
(1) Stop switch  
HOW TO USE  
1. Pour the solution into the tank with the intermediate  
valve closed.  
(1)  
(1)Full Throttle  
(2)About 1/3 Open  
(3)Idling  
(2)  
(3)  
4. Set the throttle lever in 1/3 open position.  
5. To start, hold the top of the mister firmly with your left  
hand. Pull the starter knob slowly until you feel it en-  
gage and then give it a vigorous strong pull.  
2. Adjust the solution flow and the spray range accord-  
ing to work conditions.  
IMPORTANT  
The solution flow is changed by shifting the number  
on the top of the valve at the mist nozzle. The figure  
shows 5.5 lit/min. position.  
Avoid pulling the starter rope out to its full extent and  
allowing the starter rope to snap back. This will pre-  
vent premature damage to the starter.  
6. 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.  
GB-13  
 
MD6210M  
8. Operation  
The spray range is changed by shifting the bell posi-  
tion after loosening the lock ring.  
(A) Pulled out position: Long distance, narrow angle spray  
(B) Pushed In position: Short distance, wide angle spray  
3. Start the engine and carry the unit on your back.  
4. While holding the control handle in your right hand,  
move the throttle lever upward and turn the interme-  
diate valve to the open position.  
5. After spraying work has finished, close the intermedi-  
ate valve and stop the engine.  
WARNING  
• Before the solution spraying work, supply water  
into the tank and operate the mister to make sure  
that there is any leakage or any mechanical fail-  
ure.  
• Repair it if there is any leakage or failure before  
the solution spraying work.  
Discharge rate  
Valve travel  
(lit/min.)  
1
2
3
4
1
2
3
4
Max. Longitudinal coverage  
Horizontal direction :  
Vertical direction :  
12 m  
12 m  
GB-14  
 
MD6210M  
9. Maintenance  
Maintenance, replacement, or repair of the emission  
control device and systems may be performed by any  
non-road engine repair establishment or individual.  
FUEL FILTER  
• 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 re-  
tainer to disassemble it. Clean the components with  
gasoline.  
WARNING  
G
B
Make sure that the engine has stopped and is cool  
before performing any service to the machine. Con-  
tact with rotating blower fan or hot muffler may  
result in a personal injury.  
AIR CLEANER  
Check the air cleaner every 25 hours of use or more fre-  
quently if used under dusty conditions. A clogged air  
filter may increase fuel consumption while cutting  
down the engine power. Never operate the mister  
without the air filter or with a deformed filter element  
because unfiltered dusty air may quickly ruin the  
engine.  
(1) Screen  
(3) Holder  
(2) Element  
(4) Retainer  
Spark plug  
CLEANING AIR FILTER:  
1. Remove the air cleaner cover by pulling the tab on  
bottom and take out the filter element.  
WARNING  
Do not touch the spark plug with your bare hands  
immediately after operation, as there is the risk of  
burns due to high temperature.  
After every 50 hours of operation, detach the spark  
plug and remove dirt from the electrodes with a  
wire brush or similar.  
The correct electrode gap is 0.6 to 0.7mm.  
When replacing plugs, please use designated items.  
2. Use neutral detergent and warm water to clean the  
filter element. After cleaning, air dry the element com-  
pletely and moisten with a small amount of 2 cycle  
motor oil.  
0.6~0.7 mm  
NGK (BPMR7A)  
IMPORTANT  
• If too much fuel is absorbed or poor quality oil is used,  
the spark plug electrodes become dirty, making the  
engine harder to start.  
• Note that using any spark plug other than those des-  
ignated 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 until it is  
finger tight, then tighten it a quarter turn more with a  
socket wrench.  
14.7 to 21.6 N.m.  
(150 to 220 kgf-cm)  
TIGHTENING TORQUE:  
GB-15  
 
MD6210M  
9. Maintenance  
MUFFLER  
WARNING  
WARNING  
Never use the machine without the net of the ma-  
chine. Before each use, check that the net is at-  
tached in place and is free from any damage.  
Inspect periodically, the muffler for loose fasten-  
ers, any damage or corrosion. If any sign of ex-  
haust leakage is found, stop using the machine  
and have it repaired immediately.  
Note that failing to do so may result in the engine  
catching on fire.  
SHOULDER STRAP  
• 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 re-  
place the shoulder strap with new one.  
1. Pass the upper end of the strap through the hanger,  
making the FLAPPED SIDE OUTSIDE.  
2. Put the end of the strap through the ring on the strap,  
and then push the ring toward the hanger as close as  
possible.  
IMPORTANT  
• Before starting operation, always make sure to check  
if the muffler is properly held by three bolts to the cyl-  
inder. (Fastening Torque : 8~12 N·m)  
• Even if one bolt out of three bolts is loose, the muffler  
may get loose during operation which may result in  
engine catching on fire.  
PROCEDURES TO BE PERFORMED AFTER  
EVERY 100 HOURS OF USE  
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 cylin-  
der exhaust port at the same time.  
2. Tighten all screws, bolts, and fittings.  
3. Check to see if any oil or grease has worked its way  
in between the clutch lining and drum, and if it has,  
wipe it away using oil-free, lead-free gasoline.  
(1)Ring  
(2)Flapped side  
WARNING  
The flap on the end of the strap works as a stop-  
per. Never install the strap with the flapped side  
inside, or the unit may fall from the operation,  
which could result in injury to the operator and/or  
damage to the unit.  
AIR INLET NET  
IMPORTANT  
• Blowing air is taken in from the air inlet net. When air  
flow has dropped down during operation, stop the  
engine and inspect the air inlet net for blocking by  
obstacles.  
• Note that failure to remove any such obstacles may  
result in the engine becoming overheated and dam-  
aged.  
(1)Air inlet net  
GB-16  
 
MD6210M  
10. Storage  
WARNING  
1. Clean the chemical fluid tank and nozzle.  
2. Remove dirt from the sprayer, inspect it for any dam-  
age or looseness, and, if any abnormality is found,  
correct it thoroughly in preparation for the next time  
you use the unit.  
When draining fuel, please be careful not to spill  
it. If fuel is spilt, wipe off thoroughly. In addition,  
please be sure to close the storage container cap  
tightly.  
G
B
3. Drain the fuel tank.  
4. Start the engine, and leave it in idling condition until  
all the fuel inside the carburetor is spent and the en-  
gine comes to a natural stop.  
IMPORTANT  
• If fuel is left in the engine for protracted periods, the  
inside of the carburetor may become clogged and  
cause engine malfunction (faulty starting and insuffi-  
cient output).  
• During storage, slightly loosen the cap of the chemi-  
cal fluid tank. If screwed too tightly, the gasket may  
become distorted.  
5. Remove the spark plug and put a few drops (1 to 2  
cc) of 2-cycle oil inside the engine. After pulling the  
starter rope 2 or 3 times, return the spark plugs to  
their original position and stop in compressed posi-  
tion.  
6. After oiling the throttle lever and other metal parts with  
anti-corrosive oil, cover the sprayer and store unit in  
a dry, dust free place, out of the reach of children.  
On completion of all work procedures, when not plan-  
ning to use again for a protracted period please carry  
out the following pre-storage care, to prevent trouble  
caused by time-lapse changes.  
11. Disposal  
• When you dispose of the machine, do not disassemble  
the machine.  
• Do not simply discard empty chemical containers, but  
dispose of them safely by incinerating, burying, or  
another similar method. In addition, please take ev-  
ery care that the water used to clean spraying tools  
does not create any hazard.  
• When disposing your machine, fuel or oil for the ma-  
chine, be sure to allow your local regulations  
GB-17  
 
MD6210M  
12. Troubleshooting guide  
Case 1. Starting failure  
CHECK  
fuel tank  
fuel filter  
PROBABLE CAUSES  
incorrect fuel  
fuel filter is clogged  
ACTION  
drain it and use correct fuel  
clean  
carburetor adjustment screw out of normal range  
adjust to normal range  
clean/dry  
correct (GAP: 0.6 to 0.7 mm)  
retighten  
sparking (no spark)  
spark plug  
spark plug is fouled/wet  
plug gap is incorrect  
disconnected  
Case 2. Engine starts but does not keep running/hard re-starting  
CHECK  
PROBABLE CAUSES  
ACTION  
fuel tank  
incorrect fuel or staled fuel drain it and use correct fuel  
carburetor adjustment screw out of normal range  
muffler, cylinder (exhaust port) carbon is built-up  
adjust to normal range  
wipe away  
wash  
air cleaner  
clogged with dust  
clogged with dust  
cylinder fin, fan cover  
clean  
When your unit seems to need further service, please consult with our ZENOAH service shop in your area.  
Limited warranty  
Should any failure occur on the product under normal oper-  
ating conditions within the applicable warranty period, the  
failed part will be replaced or repaired free of charge by a  
ZENOAH authorized dealer.  
NOT REDUCE THE WARRANTY OBLIGATION OF THE  
COMPANY.  
THE COMPANY IS LIABLE FOR DAMAGES TO OTHER  
ENGINE COMPONENTS CAUSED BY THE FAIRURE OF A  
WARRANTED PARTS STILL UNDER WARRANTY.  
WARRANTY PERIOD: 1 year (6 months if used profession-  
ally, and 30 days if used for rental purpose) from the date of  
initial purchase.  
THE WARRANTY DOES NOT APPLY TO THOSE UNITS  
WHICH HAVE BEEN DAMAGED BY NEGLIGENCE OF IN-  
STRUCTION LISTED IN THE OWNER/OPERATOR MANUAL  
FOR PROPER USE AND MAINTENANCE OF THE UNITS  
ACCIDENT MISHANDLING, ALTERATION, ABUSE, IM-  
PROPER LUBRICATION, USE OF ANY PARTS OR ACCES-  
SARIES OTHER THAN THOSE SPECIFIED BY THE COM-  
PANY, OR OTHER CAUSES BEYOND THE COMPANY’S  
CONTROL.  
THE PURCHASER SHALL BEAR COSTS OF TRANS-  
PORTING THE UNIT TO AND FROM THE ZENOAH DEALER.  
THE PURCHASER SHALL NOT BE CHARGED FOR DIAG-  
NOSTIC LABOR WHICH LEADS TO THE DETERMINATION  
THAT A WARRANTED PART IS DEFECTIVE, IF THE DIAG-  
NOSTIC WORK IS PERFORMED AT THE ZENOAH DEALER.  
THE PURCHASER OR OWNER IS RESPONSIBLE FOR THE  
PERFORMANCE OF THE REQUIRED MAINTENANCE AS  
DEFINED BY THE MANUFACTURER IN THE OWNER/OP-  
ERATOR MANUAL.  
THIS WARRANTY DOES NOT COVER THOSE PARTS RE-  
PLACED BY NORMAL WEAR OR HARMLESS CHANGES  
IN THEIR APPEARANCE.  
THERE ARE NO OTHER EXPRESS WARRANTIES.  
ANY WARRANTED PART WHICH IS NOT SCHEDULED FOR  
REPLACEMENT AS REQUIRED MAINTENANCE, OR  
WHICH IS SCHEDULED ONLY FOR REGULAR INSPECTION  
TO THE EFFECT OF REPAIR OR “REPLACE AS NECES-  
SARY” SHALL BE WARRANTED FOR THE WARRANTY PE-  
RIOD. ANY WARRANTED PART WHICH IS SCHEDULED  
FOR REPLACEMENT AS REQUIRED MAINTENANCE  
SHALL BE WARRANTED FOR THE PERIOD OF TIME UP  
TO THE FIRST SCHEDULED REPLACEMENT POINT FOR  
THE PART.  
IMPLIED WARRANTIES INCLUDING THOSE OF MER-  
CHANTABILITY AND FITNESS FOR A PARTICULAR PUR-  
POSE ARE LIMITED TO TWO (2) YEARS OF HOME USE  
[ONE (1) YEAR FOR ANY OTHER USE] FROM THE ORIGI-  
NAL DELIVERY DATE.  
LIABILITIES FOR INCIDENTAL OR CONSEQUENTIAL  
DAMAGE UNDER ANY AND ALL WARRANTIES ARE  
EXCLUDED.  
ANY REPLACEMENT PART THAT IS EQUIVALENT IN PER-  
FORMANCE AND DURABILITY MAY BE USED IN NON-  
WARRANTY MAINTENANCE OR REPAIRS, AND SHALL  
IF YOU NEED TO OBTAIN MORE INFORMATION, PLEASE  
CALL YOUR NEAREST SERVICE CENTER, OR CHECK  
GB-18  
 

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