BL400 - Leaf blower Maruyama - Free user manual and instructions
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| Product Type | Leaf Blower |
| Brand | Maruyama |
| Model | BL400 |
| Power Source | Gasoline (2-stroke engine) |
| Engine Displacement | 27.2 cc |
| Fuel Type | Mixed gasoline (50:1 ratio) |
| Air Volume | 550 CFM |
| Air Speed | 170 mph |
| Weight (without fuel) | 4.5 kg |
| Dimensions (L x W x H) | 950 x 310 x 410 mm |
| Sound Level (at operator ear) | 94 dB(A) |
| Vibration Level (front handle) | 8.0 m/s² |
| Fuel Tank Capacity | 0.5 L |
| Starter Type | Recoil start |
| Carburetor | Diaphragm type |
| Ignition System | Electronic (CDI) |
| Maintenance & Cleaning | Clean air filter after every 10 hours; replace spark plug annually; check fuel lines for cracks |
| Safety Features | Throttle lockout, stop switch, anti-vibration handles |
| Spare Parts Availability | Air filter, spark plug, fuel filter, carburetor rebuild kit, recoil starter assembly |
| Repairability | Modular design; user-serviceable with basic tools; replacement parts widely available |
| General Information | Designed for residential leaf clearing; easy to start and operate; low emissions compliant |
Frequently Asked Questions - BL400 Maruyama
How do I start the Maruyama BL400 leaf blower?
Ensure the stop switch is in the 'I' position, set the choke to 'cold start', prime the bulb 5-6 times, then pull the starter rope sharply until the engine fires. Then turn the choke to 'run' and restart if needed.
What is the fuel mixture ratio for the BL400?
Use a 50:1 ratio of unleaded gasoline (91 octane or higher) to 2-stroke engine oil. Do not use pre-mixed fuel from gas stations as it may contain ethanol.
How often should I clean the air filter?
Check and clean the air filter every 10 hours of use. In dusty conditions, clean more frequently. Use warm soapy water, let dry completely, and lightly oil before reinstalling.
What spark plug does the BL400 use?
Use a NGK BPMR7A or equivalent spark plug. Gap should be 0.6-0.7 mm. Replace annually or if the engine misfires.
Why won't my leaf blower start?
Check for fresh fuel, ensure the spark plug is clean and connected, confirm the air filter is not clogged, and verify the choke is set correctly. If still not starting, the carburetor may need cleaning.
How do I store the leaf blower for winter?
Drain all fuel from the tank and carburetor by running the engine dry. Clean the unit thoroughly, remove the spark plug and add a teaspoon of oil into the cylinder, then pull the starter slowly to distribute. Store in a dry place.
Can I use the BL400 for vacuuming leaves?
No, the BL400 is a dedicated leaf blower and does not have a vacuum function. It is not designed or safe to be used as a vacuum.
What safety gear should I use?
Always wear safety goggles, ear protection, gloves, and long pants. Avoid loose clothing. Operate only outdoors in well-ventilated areas.
How do I adjust the carburetor?
The BL400 has factory-set carburetor adjustments. Do not adjust unless necessary. If needed, refer to the service manual for idle and high-speed screw settings. Improper adjustment can damage the engine.
Where can I buy replacement parts?
Parts are available at authorized Maruyama dealers, online retailers like Amazon, or directly from the manufacturer. Common parts include air filters, spark plugs, fuel filters, and recoil starters.
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USER MANUAL BL400 Maruyama
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Product information
Brand : Maruyama
Model : BL400
Category : Leaf blower