Dolmar PB-250.4 instruction manual Operation Method, Blower operation, Dust Collection Operation

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OPERATION METHOD

1.Blower operation

•Hold the machine firmly during operation.

•Direct the nozzle end toward the object to be dusted and pull the trigger lever.

•The trigger lever can be fixed in an arbitrary position with the cruise control lever.

•Maintain the trigger lever at a position where the engine speed appropriate for the operation is obtained and set the cruise control lever to the “ON” position.

•To adjust the engine speed, set the cruise control lever to the “OFF” position once, adjust the engine speed with the trigger lever again, then set and fix the cruise control lever to the “ON” position.

•Operation of the trigger lever with the cruise control lever in the “ON” position may cause failure.

•The lower portion of the fuel tank acts as an assist handle, which enables operation with both hands. In this case, be sure to hold the assist handle with a right hand.

2.Dust Collection Operation

WARNING

•Do not allow kerosene, gasoline, or lighted cigarette to be sucked into the machine.

-Otherwise, fire may occur.

•Do not allow foreign materials, such as large wood chips, metals, glass, pebbles, etc., to be sucked into the machine.

-Otherwise, failure may occur.

•Overfilling of the dust bag with dust may cause its overflow toward the engine side. Empty the bag in a proper timing.

-Otherwise, the fire may occur.

•Carry the dust bag belt on the shoulder and adjust the belt length to ensure easy operation.

•Confirm that the dust bag is not twisted and pull the trigger lever to start dust collection.

•When the dust bag is filled with dust, remove the dust bag from the machine and open the

fastener to empty the bag.

NOTE

If this machine is operated with the protector oriented upwards or the main handle downwards, there may appear white smoke, oil contamination or oil leakage.

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Contents Importante PB-250.4English Table of Contents15meters Safety InstructionsMeters Resting Transport Refuelling Maintenance Tool ReplacementMethod of operation NGK CMR6A SpecificationDesignation of Parts Always wear protective gloves Assembly InstructionsPoint 2 in Replacement of Oil If oil spills out Point 1 in Replacement of Oil Oil GaugeBefore Start of Operation Inspection and Refill of Engine OilPoints for Fuel Storage of machine and refill tankOperation When the engine is cold, or when the fuel it refueledStarting Stopping Adjustment of IdlingCheckup of low-speed rotation Blower operation Operation MethodDust Collection Operation Replacement of engine oil Inspection and MaintenancePoints in replacement of engine oil Checking the spark plug Cleaning of air cleanerCleaning of parts Cleaning the fuel filterReplacement of gaskets and packings StorageFault location State of abnormality Probable cause malfunction Remedy TroubleshootingEmission Compliance Period Owners Warranty Responsibilities Manufacturers Warranty CoverageWhat is not Covered What is CoveredHOW to File a Claim Waranty Commencement DateParts Covered Under the California Emission Warranty Where to GET Warranty ServiceMaintenance Statements Repair and Replacement of EMISSION-RELATED Parts Obtaining Warranty Service HOW to Make a Claim

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.
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