Dunsch DU53173BV3 User manual

GASOLINE VACUUM BLOWER
ASPIRATORE/SOFFIATORE CON MOTORE A SCOPPIO
DU53173BV3
Made In China
GB Original instructions
I T Istruzioni originali

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1
DESCRIPTION OF THE SYMBOLS
The use of symbols in this manual is intended to draw your attention to possible
risks. The safety symbols and the explanations that accompany them must be
perfectly understood. The warnings in themselves do not remove the risks and
cannot replace correct actions for preventing accidents.
This symbol, before a safety comment, indicates a
precaution, a warning or a danger. Ignoring this warning
can lead to an accident for yourself or for others. To limit
the risk of injury, fire, or electrocution always apply the
recommendations indicated.
Before any use, refer to the corresponding paragraph in the
present manual.
Complies with European regulations applicable to this
product.
WEAR EYE AND HEARING PROTECTION.
WARNING; thrown objects and loud noise can cause severe
eye injury and hearing loss. Wear eye protection and ear
protection when operating this unit.
Wear protective gloves when using the device.
Danger of injury from flying parts! Always maintain a
sufficiently safe distance. Beware of thrown objects. The
distance between the machine and bystanders should be
at least 15 meters.
Keep dry at all times. Never expose tool to rain.
Risk of poisoning!
Use the appliance only outside, never use it in confined and
bad ventilated areas.
CHOKE CONTROL -FULL. Choke position.
Blowers and blower/vacuums-rotating impeller blades can
cause severe injury.
WARNING: Stop the engine and allow the impeller to stop
before installing or Changing tubes or bag or before
cleaning or performing any maintenance.

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Do not put hands or feet near or under rotating parts.
Stop the engine and remove the spark plug wire before
assembly, maintenance and unblocking debris.
Extremely hot surface. Do not touch a hot muffler, gear box
or cylinder, you may get burned. These parts get extremely
hot from operation and remain hot for a short time after
the unit is turned off.
SAFETY WARNINGS
WARNING!
Safety Warnings Leaf vacuum
Check the work area before using the appliance. Remove any hard objects
such as stones, shards of glass, wires, etc. that could be thrown off, knocked back
or that could otherwise cause injury or damage during appliance operation.
Never use the appliance when the proper equipment is not fitted. For your
protection, use only the recommended adjustable devices to avoid injuries.
Do not use this leaf blower near fire places or BBQ places and open fire, ash
pits, etc. A proper use of the leaf blower contributes to fire spread avoidance.
Do not put any objects on the lance blow openings. Make sure the blown
material is not being blown at persons, animals, glass sheets or solid
objects such as trees, cars, walls, etc. Strong air flow could throw off stones,
dirt or rods or they could be bounced off the ground and injure persons, animals,
break glass sheets or cause other damage.
Never use the appliance to disperse chemicals, fertilizers or other substances. By
this, you will avoid toxic material spread.
Keep children and other persons including animals in a safe distance when using
the appliance.
Minimum safe distance is 15 m.
Wear suitable protective clothing such as sturdy shoes with non-slip sole, robust
long trousers, gloves, safety glasses and hearing protection!
Do not wear loose clothing or jewels. Hear, clothing and gloves must be out of
reach of moving parts as they could get caught by the rotating parts. Do not use
the appliance when barefooted or in open sandals.
We recommend wearing a respirator as dust is produced.
Do not race when working with the appliance. Walk slowly and cautiously.
Provide a safe posture, especially on slopes.

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Do not overreach. Keep proper footing and balance at all times.
Do not use the leaf blower near open windows.
Do not use the appliance in bad weather, especially when there is a risk of storm.
Never point the leaf blower at persons, animals or yourself.
Provide adequate lighting or good lighting conditions when working with the
machine.
Switch the appliance off when it starts abnormally vibrating.
Check all screw and plug-in connections and protective equipment if firm and
tightened properly and whether all moving parts are running smooth whenever
the appliance is to be put into operation.
The protective equipment on the appliance is strictly prohibited to be
disassembled, changed, used in conflict with the designation and it is prohibited
to attach any protective equipment of other manufacturers.
The appliance must not be used if damaged or safety equipment is defective.
Replace any worn-out and damaged parts.
Risk of fire!
Fuel is highly flammable.
Prohibited smoking and open fire using.
Do not store any fuel near the unit.
Keep the fuel in suitable containers only.
The appliance may only be refuelled outdoors and not near open fire or burning
cigarettes.
Emergency procedure
After use, let the unit cool down for at least 5 minutes before refuelling.
Make sure the fuel does not overflow. If the fuel overflows, the engine must not
be started. Remove any dirt from the appliance and prevent any attempt at
ignition until fuel fumes have evaporated.
Replace all fuel tank and container caps securely.
Fuel tank to be emptied outdoors only.
Never keep the unit with petrol in the tank inside a building where petrol
vapours could get in contact with open fire or sparks.

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INTENDED USE
The leaf vacuum is suitable for collecting dry leaves and light garden waste such
as dry grass, small twigs, and dry spruce and pine needles.
Do not use this product in any other way as stated for normal use. Not observing
general regulations in force and instructions from this manual does not make
the manufacturer liable for damages.
TECHNICAL SPECIFICATIONS
Type DU53173BV3
Displacement 173cm3
Motor power 4.0 kW
Engine speed MAX. 3400min-1
Fuel tank capacity 1.5 l
Volumes of oil tank 0.6 l
Air speed 144 km/h
Air volume 2000 m3/h
Sound pressure level 85 dB(A) K=3 dB(A)
Measured sound power level (EN ISO 22868) 100 dB(A) K=3 dB(A)
Guaranteed sound power level(2000/14/EC) 105 dB(A)
Vibration: 6.7m/s2 K=1.5 m/s2
Net weight 42 kg

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LIST OF MAIN PART
Fig.1
1. Handle bar 2. Cable clip
3. Throttle lever 4. Collection bag frame
5. Knob 6. Lower handle bar
7. Air filter 8. Petrol cap
9. Starter handle 10.Silencer
11. Spark plug 12. Engine base
13. Collection bag 14. Adjust height handle
15. Wheel 16. Pulley
17. Front port cover 18. Deck
19. Auxiliary hose 20. Baffle

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ASSEMBLY
1. Mounting the handlebar. Connect upper and lower handles with supplied
screws and knobs.
Fig.2
2. Fitting the collection bag(Fig.3)
Fig.3
OPERATION
Oil level inspection
WARNING! This product is not supplied with oil. However, for
manufacturing reasons it is possible that a small quantity may be left in the
oil tank .
1) Unscrew and remove the oil tank cap.

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2) Gradually add good-quality engine oil (SAE 10W-30, ca. 0,6 l). Allow the oil to
settle.
3) Check the oil level frequently while filling. Wipe the oil dipstick clean; refit
and tighten the filler cap and then remove it again. The oil level must be
within the min / max markings. Add more oil if necessary. Do not overfill.
Fig.4
4) Wipe spilled oil with a soft cloth and reattach the oil tank cap.
Filling with fuel Danger of injury!
Fuel is explosive!
- Turn off and cool the motor down before filling the tank with fuel.
- You must observe all safety instructions relating to handing fuel.
Risk of device damage!
- The device is supplied without motor oil.
- Before operating, you must fill it with motor oil.
WARNING!
- Unscrew the tank cap and remove it. (Fig. 5)
- Pour in the fuel carefully. Unleaded petrol, octane > 90, 2 L max. Avoid
spilling!
- Screw the tank cap on firmly by hand.
Fig.5

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OPERATION
Do not start the machine until it has been completely assembled.
Before switching on the machine, always checking the oil.
Check before use!
Danger of injury!
Do not operate the device unless you did not find any faults. If a part has
become defective, make sure to replace it before you use the device again.
Check the safe condition of the device:
-- Check the machine for leaks.
-- Check the machine for visual defects.
-- Check that all parts of the machine have been securely fitted.
-- Check that all safety machine are in proper condition.
-- Slide the throttle lever to and fro several times to ensure that it is moving
smoothly and correctly.
Danger of injury!
Before starting work, always check the ground and remove all objects which
could be thrown by the device.
Start the Engine
Move the accelerator lever to “ ” position. (Fig. 6)
Fig.6
Grasp starter handle and pull out slowly, until it pulls slightly harder. (Fig.7)

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Fig.7
Pull rope with a rapid full arm stroke （3~5times）until engine runs.
After engine starts running, move accelerator lever to the appropriate position.
(Fig. 8)
Fig.8
Stop the Engine
Move accelerator lever to “O” position. (Fig. 9)
Fig.9
Adjust the height of the suction inlet

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Fig.10
FUNCTION
Auxiliary hose instructions for use
Vacuum mode
Fig.11

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Blower mode
Fig.12
Instructions for using the collection bag
Fig.13

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MAINTENANCE
Switch the engine off and remove the socket plug before any work on the
engine.
Repairs and works specified in these Instructions may only be performed by
qualified authorised staff.
Use only original accessories and original spare parts.
Keep the device, in particular the air vents, clean at all times. Never spray water
on the device body!
Never clean the machine and its components with solvents, flammable or toxic
liquids. Us only a damp cloth making.
Only a regularly maintained and treated appliance can serve as a satisfactory aid.
Insufficient maintenance and care can lead to unforeseen accidents and injuries.
Machine to be stored in a dry place.
Part To do Before/
after
each
use
10 hours 25 hours 50 hours /
half year
100 hours /
once a year
Spark plug check X
Spark plug clean X
Spark plug replace whenever necessary
Air filter check X
Air filter clean X
Air filter replace whenever necessary
Fuel filter check X
Fuel filter clean X
Fuel filter replace whenever necessary
Engine oil
• Check
1. Unscrew and remove the oil tank cap.
2. Wipe the oil dipstick clean; refit and tighten the oil tank cap and then remove
it again. The oil level must be within the marking and oil should be clear with
gold color.
3. Refill if the oil level is too low.
4. Drain oil if the oil level is too high.
5. Change the engine oil if it is sticky or brown.
• Change

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1. Place a suitable container under the oil drain screw to collect drained oil.
Ensure the container has an efficient volume.
2. Loosen the oil drain screw with a hex key and remove it (Fig. 14)
3. Let the engine oil flow into the container.
4. Refit the oil drain screw and wipe of spilled oil.
Fig.14
Empty fuel
1) Hold a collection container beneath the fuel tank.
2) Unscrew the tank cap and remove it.
3) Takethemachinetobottomup,anddrainit.
4) Re do above after several minutes
5) Allow the fuel to run out completely.
Spark plug
Inspect the spark plug regularly. Clean or replace with a new one if necessary.
1) Disconnect the spark plug connector.
2) Loosen the spark plug with a spark plug wrench and carefully remove it.
3) Check the spark plug for damage and wear. The color of the electrode should
be light-brown colored.
4) Remove debris from the electrode with a soft wired brush; avoid heavy
cleaning of the electrode.
5) Dry the spark plug with a soft cloth if it is wet from fuel.
6) Check the spark plug gap. It should be 0.7 ± 0.08 mm (Fig.16).
7) Replace with a new spark plug if either the electrode or the insulation is
damaged.
Oil drain screw

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8) When replacing the spark plug, first screw it in hand tight and then lightly
tighten it with the spark plug wrench.
0.7 ± 0.08 mm Fig.15
Clean the air filter
Inspect the air filter regularly. Replace it with a new one if necessary.
Remove the filter from its housing and tap it on a solid surface to remove dust
Apply a small amount of air filter oil on the filter to increase the performance of
the filter. Wring out surplus oil and put the filter into the case.
Re-attach the air filter and close the air filter case. Make sure the latches are
engaged and the air filter cover is securely fastened.
Fig.16
WARNING!
Use only original manufacture’s replacement parts, accessories and
attachment. Failure to do so can cause possible injury and poor
performance.
Vacuum bag
Empty the bag after each use to avoid damages or obstruction that may reduce
the performances of the appliance. Clean the bag when necessary. To clean the
bag, turn it’s inside out and shake. Wash the bag in soapy water. Clean the bag at
least once a month.

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STORAGE
General storage instructions
Carefully clean machine and components after using every time (refer to
maintenance)
Store the machine in a dry and the place where is inaccessible by kids.
Do not store the machine in the direct sunshine for a long time.
Do not wrap the machine in a plastic bag, to avoid moisture and mould.
Work halt over 3 months
If you do not pay attention to storage instructions, the fuel remained in
carburetor may cause start problem or permanent damage.
Empty the fuel tank at a good ventilated place.
Start the engine and make it run idle, until there is no fuel in carburetor.
Cool the engine (about 15 min).
Remove spark plug with spark plug wrench (Refer to Replace/Adjust Spark
Plug).
Remount spark plug.

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CONFORMITY DECLARATION
The undersigned DUNSCH EUROPE SRL（ITALY）
Via dell’Artigianato n. 10, 29010
GRAGNANO TREBBIENSE
hereby certifies that the units described below ,
Walk-behind gasoline powered vacuum blower
Model DU53173BV3(DY580-173P)
Power 4.0Kw/173cm3
Brand DUNSCH
Guaranteed sound power level 105 dB(A)
conformity assessment procedure concerning directive 2000/14/EC
Is in compliance with the provisions of
the
following European directives
2006/42
/
EC "Machiner
y
"
2014/30/EU “Electro Magnetic
Compatibility”
2000/14/EC "Noise outdoor"
(EU)2016/1628
"Emissions of
pollutants”
And to the following standards
EN 15503:2009+A2:2015
EN ISO 12100:2010
EN ISO 14982:2009
Person authorized to compile the
technical file Aurelio de Michele
Gragnano Trebbiense
25.06.2019
Serial number and year of production are marked on the machine. Made in P.R.C

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DESCRIZIONE DEI SIMBOLI
I simboli utilizzati nel presente manuale intendono attirare l’attenzione degli
utenti sui possibili rischi. Si raccomanda di comprendere appieno i simboli di
sicurezza e le spiegazioni correlate. Tenere presente che i simboli d’avvertenza
non prevengono i rischi e non possono sostituire i metodi di prevenzione
infortuni appropriati.
Questo simbolo, indica precauzione, avvertenza o pericolo.
Ignorare questo simbolo può causare gravi danni a se stessi
o agli altri. Per limitare il rischio di lesioni, incendio o
elettrocuzione, seguire sempre le raccomandazioni
indicate.
Leggere il manuale di istruzioni.
Leggere con attenzione il manuale d’uso ed acquisire
familiarità con l’apparecchio prima di utilizzarlo, pulirlo o
ripararlo.
Conforme alle norme di sicurezza appropriate.
Questi simboli indicano l’obbligo di indossare protezioni
acustiche, occhiali di protezione.
Indossare guanti protettivi durante l’uso della macchina.
Pericolo di infortuni causati da parti volanti! Mantenere
sempre una distanza di sicurezza adeguata.
Rischio di avvelenamento!
Gli scarichi del motore contengono monossido di carbonio.
Utilizzare l'apparecchio solo all'esterno, mai nei locali chiusi
oppure mal ventilati.
Valvola dell’aria chiusa.
Pericolo di lesioni dovute alla ventola rotante.
Tenere le mani ad una distanza sicura.
Non mettete mai le mani o i piedi vicino o sotto le parti
rotanti.

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In caso di macchine con alimentazione elettrica, togliere la
spina dalla presa di alimentazione prima di eseguire la
manutenzione o se il cavo è danneggiato.
Superficie molto calda. Non toccare la marmitta calda,
scatola ingranaggi o cilindro, c’è la possibilità di essere
scottati. Queste parti diventano estremamente calde dal
funzionamento e rimangono calde per un breve periodo di
tempo dopo l’arresto dell’apparecchio.
AVVERTENZE DI SICUREZZA
AVVERTENZA
NORME DI SICUREZZA Aspiratore foglie
Prima di utilizzare l'apparecchio controllare lo spazio di lavoro. Rimuovere
gli oggetti duri quali sassi, schegge di vetro, fili metallici, ecc., che potrebbero,
durante l'utilizzo dell'apparecchio, essere lanciati in aria, respinti o altrimenti
provocare lesioni o danni a sé ed alla macchina
Mai utilizzare l'apparecchio se non è montata l'attrezzatura giusta. Per la
propria protezione utilizzare solo gli attrezzi raccomandati onde evitare lesioni.
Non utilizzare questo aspiratore/soffiatore di foglie nelle vicinanze di un
focolaio o punti di barbecue e fiamme libere, fosse per cenere, ecc. Un
corretto utilizzo dell'apparecchio per il soffiaggio del fogliame aiuta a prevenire
la propagazione del fuoco.
Non porre alcun oggetto sul foro di soffiaggio della bocca di aspirazione.
Prestare attenzione perché il materiale soffiato non sia soffiato contro la
gente, animali, tavole in legno o oggetti fissi quali alberi, automobili, muri,
ecc. Il flusso dell'aria forte potrebbe far sì che i sassi, le impurità o le barre siano
lanciati in aria, oppure respinti dalla terra provocando lesioni alle persone,
animali, rompendo tavole in legno o provocando altri danni.
Mai utilizzare questo apparecchio per spruzzare le sostanze chimiche,
fertilizzanti o altre sostanze simili. In tal modo si evita la diffusione del
materiale tossico.
Durante l’uso dell’apparecchio tenere i bambini, le altre persone e gli animali in
distanza di sicurezza.
La distanza sicura minima è 15 m.
Indossare abiti di lavoro idonei, ossia scarpe solide con suole antiscivolo,
pantaloni robusti e lunghi, guanti, occhiali di protezione e protezione dell'udito!
Non portare abiti lunghi e larghi o gioielli. I cappelli, vestiti e guanti devono

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trovarsi fuori dalla portata delle parti mobili, in quanto potrebbero essere
intrappolati dalle parti in movimento. Non utilizzate l'apparecchio se avete piedi
nudi o sandali aperti.
E' consigliabile portare la maschera respiratoria in quanto si verifica la
generazione di polveri.
Non gareggiare durante il lavoro con l'apparecchio.
Camminare piano e con cautela.
Mantenere una posizione stabile, in particolare sui pendii.
Evitare una posizione anomala del corpo. Mettersi in posizione sicura e
mantenere l’equilibrio in ogni situazione.
Non utilizzare il soffiatore di foglie nelle vicinanze delle finestre aperte.
Non utilizzare l'apparecchio con il tempo cattivo, in particolare se c'è rischio di
tempeste.
Mai orientare il soffiatore di foglie contro le persone, animali o contro se stessi.
Durante il lavoro con l'apparecchio assicurare sempre l'illuminazione sufficiente,
rispett. buone condizioni di visibilità.
Spegnere l'apparecchio quando inizia a vibrare in modo insolito.
Prima di ogni messa in funzione controllare tutti i raccordi a vite e ad
inserimento, anche i dispositivi di protezione, riguardando la rigidità e serraggio
giusto e la funzione non disturbata di tutte le parti mobili.
E’ severamente vietato smontare, modificare i dispositivi di protezione trovatisi
sulla macchina, utilizzarli in controversia alla loro destinazione oppure montare i
dispositivi di protezione degli altri produttori.L’apparecchio non deve essere
utilizzato se danneggiato oppure con i dispositivi di sicurezza difettosi. Cambiare
le parti usurate e danneggiate.
Pericolo di incendio!
Il combustibile è estremamente infiammabile.
Divieto di fumare e di accendere fuochi nei pressi della macchina.
Non depositare alcun carburante nelle vicinanze della macchina.
Il carburante deve essere conservato solo nei contenitori adatti.
La macchina può essere rabboccata solo all’esterno e non in vicinanza di fonti di
calore o fiamme vive come le sigarette accese.
Rabboccare il carburante prima di avviare la macchina. Non si deve rabboccare