Dolmar PB-250.4 User Manual
BLOWER
SOUFFLEUR
SOPLADOR
PB-250.4
English / French /
Spanish
INSTRUCTION MANUAL
(P2~P19)
INSTRUCTIONS D’EMPLOI
(P20~P37)
INSTRUCCIONES DE MANEJO
(P38~P55)
Important:
Read this instruction manual carefully before putting the Blower into operation and
strictly observe the safety regulations! Preserve instruction manual carefully!
Importante:
Lisez attentivement ce manuel utilisateur avant de mettre en route le souffleur et
respectez scrupuleusement les consignes de sécurité.
Conservez soigneusement ce manuel.
Importante:
Las bien este manual antes de poner el soplador en funcionamiento, y observe
estrictamente las medidas de seguridad. Conserve este manual de instrucciones.
WARNING: The Engine Exhaust from this product contains chemicals known to
the state of California to cause cancer, birth defects or other reproductive harm.
English
Thank you very much for selecting the DOLMAR blower. We are pleased
to be able to offer you the DOLMAR blower which is the result of a long
development programme and many years of knowledge and
experience.
The blower models PB-250.4 combines the advantages of state-of-
the-art technology with ergonomic design. They are of light weight,
handy, compact and represent professional equipment for a great
variety of applications.
Please read, understand and follow this booklet which refers in detail
to the various points that will demonstrate its outstanding
performance. This will assist you to safety obtain the best possible
results from your DOLMAR Blower.
Table of Contents
Symbols .......................................................................................... 2
Safety instructions ....................................................................... 3-5
Specification ................................................................................... 6
Designation of parts ........................................................................ 7
Assembly instructions .................................................................... 8
Before start of operation ......................................................... 9-10
Operation ................................................................................ 11-12
Adjustment of idling ...................................................................... 12
Operation method ......................................................................... 13
Inspection and maintenance ................................................... 14-16
Storage.......................................................................................... 16
Troubleshooting ............................................................................ 18
SYMBOLS
It is very important to understand the following symbols when reading this instructions manual.
Page
WARNING/DANGER
Read, Understand and Follow
Instruction Manual
Forbidden
No Smoking
No Open Flame
Fuel (Gasoline)
Engine-manual Start
Emergency Stop
First Aid
Recycling
Protective Gloves mu st be Worn
Keep the Area of Operation
Clear of All Persons and Pets
Wear Eye and Ear Protection
ON/START
OFF/STOP
Severing of fingers or hand,
impeller blade
2
2
SAFETY INSTRUCTIONS
General Instructions
• To ensure correct and safe operation, the user must read,
understand and follow this instruction manual to assure familiarity
with the handling of the blower (1). Users insufficiently informed
will risk danger to themselve s as well a s others due t o improp er
handling.
• It is recommended only to loan the blower to people who have
proven to be experienced with blowers.
• Always hand over the instruction manual.
• First-time users should ask the dealer for basic instructions to
familiarize oneself with the hand ling of a blower.
• Children and young persons aged under 18 years must not be
allowed to operate the blower. Persons over the age of 16 years
may however use the tool for the purpose of being trained only
while under the direct supervision of a qualified trainer.
• Use blowers with the utmost care and attent ion.
• Operate the blower only if you are in good physical condition.
• Perform all work conscientiously and care fully. The user has to
accept responsibility for others.
• Never use the blower while under the influence of alcohol or drugs
(2).
• Do not use the unit when you are tired.
• Save these instructions for future referral.
Personal Protective Equipment
• The clothing worn should be functional and appropriate, I. e. It
should be tight-fitting but not cause a hinderance. Do not wear
jewelry, clothing or long hair which could be drawn into the air
intake.
• In order to avoid head-, eye-, hand- or foot injuries as wel l a s to
protect your hearing the following protecti ve equipmen t and
protective clothing must be used during operat ion of t he blower.
(1)
(2)
Pay particular attention to the following regulations
• Clothing must be sturdy and snug-fitting, but allow complete
freedom of movement. Avoid loose-fitting jackets, flared or cuffed
pants, scarfs, unconfined long hair or anything that could be drawn
into the air intake. Wear overalls or long pants to protect your legs.
Do not wear shorts. (4)
• Blower noise may damage your hearing. Wear sound barriers (ear
plugs or ear mufflers) to protect your hearing. Continual and
regular users should have their hearing checked regularly. (3)
• Use of gloves when working with the blower is recommended.
Good footing is most important. Wear sturdy shoes with nonslip
soles. (4)
• Proper eye protection is a must. Even though the discharge is
directed away from the operator, ricochets and bouncebacks can
occur during blower operation. (3)
• Never operate a blower unless wearing goggles or properly fitted
safety glasses with adequate top and side protection which comply
with ANSI Z 87. 1 (or your applicable national standard).
Starting up the blower
• Please make sure that there are no children or other people within a
working range of 15 meters (5), also pay attention to any animals in
the working vicinity. Never use the blower in urban areas.
• Before operating, always check that the blower is safe for
operation:
Check the security of the throttle lever. The throttle lever should be
checked for smooth and easy action. Check for proper functioning
of the throttle lever lock. Check for clean and dry handles and test
the function of the l-O switch. Keep handles free of oil and fuel.
(3)
(4)
15meters
(5)
3
3
Start the Blower only in accordance with the instructions.
Do not use any other methods for starting the engine (6) !
• Use the blower and the tools supplied only for applications
specified.
• Start the blower engine only after the entire tool has been
assembled. Operation of the tool is permitted only after all
the appropriate accessories are attached.
• The engine is to be switched off immediately if there are any engine
problems.
• When working with the blower, always wrap your fingers tightly
around the handle, keeping the control handle cradled between
your thumb and forefinger. Keep your hand in this position to have
your machine under control at all times. Make sure your control
handle (and grip for vacuum attachment) are in good condition and
free of moisture, pitch, oil or grease.
Always ensure a safe, well-balanced footing.
• Operate the blower in such a manner as to avoid inhalation of the
exhaust gases. Never run the engin e in enclo sed rooms (ri sk of
suffocation and gas poisoning). Carbon monoxide is an odorless
gas. Always ensure there is adequate ventilation.
• Switch off the engine when resting and when leaving the blower
unattended. Place it in a safe location prevent danger to others,
setting fire to combustible material s, or dam age to the mac hin e.
• Never lay the hot blower onto dry grass or onto any combustible
materials.
• All protective parts and guards supplied with the machine must be
used during operation.
• Never operate the engine with a faulty exhaust muffler.
• Shut off the engine during transport (7).
• Position the blower safely during car or truck transp ortation to avoid
fuel leakage.
• When transporting the blower, ensure that the fuel tank is
completely empty.
(6)
●
Resting
●
Tra ns por t
●
Refuelling
●
Maintenance
●
Tool Replacement
(7)
Refuelling
• Shut off the engine during refuelling (7), keep well away from open
flame (8) and do not s moke.
• Avoid skin contact with petroleum products. Do not inhale fuel
vapor. Always wear protective gloves during refuelling. Change
and clean protective clothing at regular intervals.
• Take care not to spill either fuel or oil in order to prevent soil
contamination (environmental protection). Clean the blower
immediately after fuel has been spilt. Allow wet cloths to dry
before disposing in properly, covered container to prevent
spontaneous combustion.
• Avoid any fuel contact with your clothing. Change your clothing
immediately if fuel has been spilled on it (fire hazard).
• Inspect the fuel cap at regular intervals making sure that it stays
securely fastened.
• Carefully tighten the locking screw of the fuel tank. Change
locations to start the engine (at least 3 meters away from the place
of refuelling) (9).
• Never refuel in closed rooms. Fuel vapors accumulate at ground
level (risk of explosions)
• Only transport and store fuel in approved containers. Make sure
stored fuel is not accessible to childre n.
• Do not attempt to refuel a hot or a running engine.
(8)
3 meters
(9)
4
4
Method of operation
• Use the blower only in good light and visibility. During cold seasons
beware of slippery or wet areas, ice and snow (risk of slipping).
Always ensure a safe footing.
• Never work on unstable surfaces or sleep terrain.
• To reduce the risk of personal injury, do not direct air blast towards
bystanders, since the high pressure of the air flow could injure
eyes and could blow small o bjects at great speed.
• Never insert any foreign object into the air intake of the machine or into
the nozzle of the blower. It will damage the fan wheel and may cause
serious injury to the operator or bystanders as a result of the object or
broken parts being thrown out at high speed.
• Pay attention to the direction of the wind, i.e., do not work against
the wind.
• To reduce the risk of stumbling and los s of control, do not walk
backward while operating the machine.
• Always shut off the engine before cleaning or servicing the unit or
replacing parts.
Maintenance instructions
• Be kind to the environment. Operate the blower with as little noise
and pollution as possible. In particular check the correct adjustment
of the carburetor.
• Clean the blower at regular interval s and che ck that all sc rews and
nuts are securely tightened.
• Never service or store the blower in the vicinity of open flames,
sparks, etc. (11).
• Always store the blower in a well -ventilated locked room and with
an emptied fuel tank.
(10)
Observe and follow all relevant accident prevention
instructions issued by the trade associations and by
insurance companies. Do not perform any modifications to
the blower as this will risk your safety.
The performance of maintenance or repair work by the user is limited
to those activities as described in this instruction manual. All other
work is to be done by Authorized Service Agents.
Use only genuine spare parts and accessories supplied by DOLMAR.
Use of non-approved accessories and tools means increased risk of
accidents and injuries. DOLMAR will not accept any liability for accidents
or damage caused by the use of an y non-approv ed attac hment or
accessories.
First Aid
In case of accident make sure that a well-stocked first-aid kit is
available in the vicinity of the operations. Immediately replace any item
taken from the first aid kit.
When asking for help, please give the following information:
• Place of accident
• What happened
• Number of injured persons
• Extent of injuries
•Your name
(11)
(12)
Packaging
The DOLMAR blower is delivered in a protective cardboard box to
prevent shipping damage. Cardboard is a basic raw material and is
therefore consequently reusable or suitable for recycling (waste
paper recycling).
5
5
SPECIFICATION
Model PB-250.4
Mass (without blower pipe) (kg) 4.5 (9.9 lbs)
Dimension (without blower pipe L x W x H) (mm) 350×231×368 (13.8×9.1×14.5 in)
Max. engine speed ( /min) 7,800
Idling speed ( /min) 3,500
Engine displacement (mL)
Fuel
Fuel tank capacity (L)
Engine oil
Engine oil volume (L)
Carburetor (Diaphragm-carburetor)
Ignition system
Spark plug
Electrode gap (mm)
Notes:
1. Use the oil and spark plug specified by DOLMAR.
2. This specification is subject to change without prior notice.
SAE 10W-30 oil of API Classification, Class SF or higher
Automobile gasoline
(4-stroke engine for automobile)
WALBRO WYL
Solid state ignition
24.5(1.49 cu,in)
0.52 (17.6 fl.oz)
0.08 (2.7 fl.oz)
NGK CMR6A
0.7 - 0.8 (0.028-0.031 in)
6
DESIGNATION OF PARTS
Optional
DESIGNATION OF PARTS
1. Stop switch 8. Fuel Tank 15. Plug Cover 22. Vacuum Pipe A
2. Main Handle 9. Fuel Tank Cap 16. Spark Plug 23. Vacuum Pipe B
3. Trigger Lever 10. Muffler 17. Oil Cap 24. Vacuum Pipe C
DESIGNATION OF PARTS
DESIGNATION OF PARTS DESIGNATION OF PARTS
Vacuum set (Optional)
4. Primer Pump 11. Assist Handle 18. Blower Tube 25. Arrow Mark
5. Air Cleaner Cover 12. Cruise Control Lever 19. Blower Nozzle A 26. Dust Bag
6. Choke Lever 13. Screw 20. Blower Nozzle B
7. Starter Handle 14. Protector 21. Elbow
7
ASSEMBLY INSTRUCTIONS
CAUTION : Before performing any work on the blower,
always switch off the motor and pull the spark
plug connectors off the spark plug.
Always wear protective gloves!
CAUTION : Start the blower only after having assembled it
completely.
1. ASSEMBLY OF BLOWER PIPES
1) Align grooves in the blower pipe with pegs on the blower housing
and slide the pipe onto housing.
2) Turn the blower pipe clockwise to lock it into place.
2. ASSEMBLY OF VACUUM ATTACHMENT
1) Installing Vacuum pipe (nozzle)
(1) Loosen the screw ① and open the protector ② .
WARNIN G!
When using this machine as a blower, be sure to
confirm that the screw ① is not loosened at each time
of startup. If the screw is loosened, retighten it.
It is dangerous to operate the machine with the screw ① loosened.
The operator’s finger or clothing may be caught in the impeller, which
will result in a serious accident.
(2) Align the indicated on the vacuum pipe with the “ ● “
indicated on the blower. Then insert the vacuum pipe into the
blower.
(3) Turn the vacuum pipe until the is aligned with the “ ▼ “
indicated on the blower to lock the vacuum pipe.
①
②
Screw
Protector
WARNIN G!
Always hold the mounting end of the vacuum pipe when attaching/
detaching the vacuum pipe.
2) Installing Elbow and Dust Bag
(1) Open the fastener of the dust bag.
(2) Insert the elbow into the dust bag and take it out through the
bag’s entry.
(3) Install the elbow on the blower.
WARNIN G!
Do not attempt to pick up large wood chips, metals,
glass, stones, liquids, lighted cigarettes, fire works or
the like.
Always mount the protector/vacuum pipe in the right way before
operation. Operation without the protector/vacuum pipe is dangerous,
the impeller may catch the operator’s fingers or clothes and it can
result in serious injury.
8
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