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

 

 

Page

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.

WARNING/DANGER

Read, Understand and Follow

Instruction Manual

Forbidden

No Smoking

No Open Flame

Protective Gloves must be Worn

Keep the Area of Operation

Clear of All Persons and Pets

Wear Eye and Ear Protection

Fuel (Gasoline)

Engine-manual Start

Emergency Stop

First Aid

Recycling

ON/START

OFF/STOP

Severing of fingers or hand, impeller blade

2

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Dolmar PB-250.4 instruction manual English, Table of Contents

PB-250.4 specifications

The Dolmar PB-250.4 is a robust and efficient backpack blower designed for both commercial and residential use. Known for its powerful performance and user-friendly operation, the PB-250.4 stands out as a reliable choice for landscaping professionals and homeowners alike.

One of the main features of the Dolmar PB-250.4 is its impressive engine. Equipped with a 24.5 cc, 2-stroke engine, it delivers a commendable airflow of up to 700 CFM (cubic feet per minute) and a maximum airspeed of 160 mph. This power allows users to tackle heavy debris, leaves, and grass clippings with ease, making yard maintenance swift and effective.

The design of the PB-250.4 emphasizes comfort and ergonomic use. It comes with a padded shoulder harness, which distributes the weight evenly and reduces fatigue during extended use. Additionally, the adjustable throttle and ergonomic handle provide better control and precision, enhancing the overall user experience.

The technology behind the Dolmar PB-250.4 reflects a commitment to efficiency and environmental responsibility. The blower incorporates the advanced 2-stroke engine technology, which not only provides superb power but also integrates a clean-air system that reduces emissions, making it a more eco-friendly option compared to older models.

Easy starting is another characteristic that sets the PB-250.4 apart. The blower is equipped with a reliable starting system that minimizes resistance for an effortless start, even in cold conditions. This feature is particularly beneficial for users who may need to start and stop the blower frequently throughout their tasks.

Maintenance of the PB-250.4 is straightforward, thanks to its accessible components and design features. The air filter can be easily cleaned and replaced, ensuring that the engine runs optimally with minimal downtime.

In summary, the Dolmar PB-250.4 is a high-performance backpack blower that combines power, efficiency, and comfort in a user-friendly package. Its robust engine, ergonomic design, and commitment to low emissions make it an excellent choice for anyone looking to maintain their outdoor spaces effectively. Whether for professional landscaping or home use, the PB-250.4 delivers the performance and reliability users demand.