Operator's Manual for Husqvarna 150BT Backpack Blower

Quick guide from the manual

This manual provides essential instructions for the safe operation and maintenance of the Husqvarna 150BT backpack blower. Always wear hearing and eye protection, protective gloves, and non-slip boots. Keep bystanders and animals at least 50 feet (15 meters) away. The machine is designed for blowing lawns, pathways, and asphalt roads.

Assembly

Follow these steps to assemble your blower:

• Swivel Joint: Connect the blower and swivel joint with the flexible hose, clamping both ends securely.
• Throttle Lever: Attach the clamp to the swivel and tighten the screw.
• Throttle Cable: Fasten the cable tube to the hose using the provided clamp.
• Blower Tubes: Align the protrusion and groove on the tube ends and twist to lock.
• Harness and Waist Belt: Adjust the harness for a comfortable working position. The waist belt must be attached to the frame rings and tightened in front.

Fuel

Use a mixture of gasoline and oil. The recommended mixing ratio is 50:1 (50 parts gasoline to 1 part oil). Use unleaded gasoline with a minimum octane number of 89 RON (87 AL in USA/Canada). Always mix fuel in a clean, approved container and agitate well before fueling.

Operation

To start the engine:

1. Push the primer bulb until fuel flows into the clear tube.
2. If the engine is cold, close the choke.
3. Set the throttle lever to about 1/3 open.
4. Hold the blower firmly and pull the starter knob until it engages, then give it a vigorous pull.
5. Once running, gradually open the choke and let the engine warm up at idle for one minute.

To stop the engine, move the throttle lever to the STOP position.

Maintenance

Regular maintenance is crucial for performance:

• Air Cleaner: Inspect and clean before use. Wash with neutral detergent and warm water, dry, and moisten with a small amount of filter oil.
• Fuel Filter: Check periodically for clogs. Clean with gasoline.
• Spark Plug: Inspect every 25 hours. Adjust the gap to 0.6–0.7 mm (0.025 in). Replace with NGK CMR7H.
• Muffler and Spark Arrester: Inspect periodically for carbon buildup and clean with a wire brush.
• Air Inlet Net: Inspect for blockages to prevent overheating.

Technical data

The 150BT features a 50.2 cc air-cooled 2-cycle engine. The idle speed is 2200 rpm, and the operating speed ranges from 2200 to 6400 rpm. The fuel tank capacity is 1.25 liters (42.3 fl. oz).