1. Bubuka
Thank you for choosing the LEHMANN PE-50B 4-in-1 Thermal Leaf Blower and Vacuum. This versatile garden tool is designed to efficiently manage leaves and garden debris through its blowing, vacuuming, and shredding functions. Powered by a robust 26cc two-stroke engine, it offers a maximum air speed of 350 km/h and includes a 45-liter collection bag for convenience. This manual provides essential information for the safe and effective operation, assembly, and maintenance of your device.
2. Parentah Kasalametan
Salawasna prioritas kaamanan nalika ngajalankeun parabot kakuatan. Paranti nuturkeun parentah ieu bisa ngakibatkeun tatu serius atawa karuksakan harta.
- Alat Pelindung Diri (APD): Always wear safety glasses or goggles, hearing protection, long pants, sturdy footwear, and gloves during operation.
- Penanganan BBM: Gasoline is highly flammable. Refuel in a well-ventilated area with the engine off and cool. Avoid smoking or open flames near fuel. Store fuel in approved containers.
- Bystanders: Keep children, pets, and other people at a safe distance (at least 15 meters / 50 feet) from the operating area.
- Pariksa Pra-Operasi: Before each use, inspect the unit for loose parts, damage, or obstructions. Ensure all tubes and the collection bag are securely attached.
- Ventilasi: Operate the device outdoors only. Exhaust fumes contain carbon monoxide, which is a dangerous gas.
- Hapus Wewengkon Gawé: Remove any objects that could be thrown or entangled by the machine, such as rocks, sticks, or wires.
- Pakem Aman: Maintain a firm grip on the handles during operation.
- Stopan Darurat: Biasakeun diri anjeun sareng lokasi sareng operasi saklar eureun mesin.
3. Eusi Paket
Taliti ngabongkar kotak sareng pastikeun sadaya barang aya sareng teu ruksak. Upami aya barang anu leungit atanapi rusak, hubungi pangecér anjeun.

Image 3.1: All components of the LEHMANN PE-50B leaf blower and vacuum, including the main unit, various tubes, collection bag, and oil.
- LEHMANN PE-50B Main Unit (Engine and Fan Housing)
- Blowing Tube Assembly (multiple sections)
- Suction Tube Assembly (multiple sections)
- 45-liter Leaf Collection Bag with Shoulder Strap
- Noz penyuluh
- 0.5L Special 2-Stroke Engine Oil
- Manual pamaké
4. Setélan
4.1. Assembling for Blower Mode
- Attach the main blowing tube section to the blower outlet on the main unit. Ensure it clicks securely into place.
- Connect the extension nozzle to the end of the main blowing tube.

Image 4.1: Illustration of connecting the blowing tubes to the main unit.
4.2. Assembling for Vacuum/Shredder Mode
- Remove the blowing tube assembly.
- Attach the suction tube assembly to the main unit's intake opening. Ensure it is firmly secured.
- Connect the 45-liter leaf collection bag to the blower outlet. The bag should be securely fastened to prevent detachment during operation.
- Attach the shoulder strap to the collection bag for comfortable use.

Image 4.2: The LEHMANN PE-50B configured for vacuuming, showing the suction tube and attached collection bag.
4.3. Fuel Preparation and Filling
The LEHMANN PE-50B uses a 2-stroke engine and requires a specific fuel mixture.
- Campuran bahan bakar: Mix unleaded gasoline with 2-stroke engine oil at a ratio of 25:1 (25 parts gasoline to 1 part oil). Use the provided 0.5L special oil or a high-quality 2-stroke engine oil.
- Ngeusian tank:
- Pastikeun mesin pareum sareng tiis.
- Move to a well-ventilated outdoor area, away from sparks or flames.
- Buka tutup tangki bahan bakar kalawan ati-ati.
- Pour the pre-mixed fuel into the tank, avoiding overfilling.
- Tutup tutup tanki bahan beuleum sacara aman. Langsung usap suluh nu tumpah.

Gambar 4.3: Detil view of the fuel tank, primer bulb, and choke lever on the LEHMANN PE-50B.
5. Parentah Operasi
5.1. Mimitian Mesin
- Tempatkeun unit dina permukaan anu rata sareng stabil.
- Set the engine stop switch to the "ON" position.
- Push the primer bulb 5-7 times until fuel is visible in the return line.
- Move the choke lever to the "CLOSED" (start) position.
- Pull the starter cord firmly and steadily until the engine attempts to start (usually 1-3 pulls). Do not pull the cord to its full extension.
- Once the engine attempts to start, move the choke lever to the "OPEN" (run) position.
- Tarik deui kabel starter dugi ka mesin hurung sareng jalan lancar.
- Antosan mesin dugi ka panas sakedap sateuacan dioperasikeun dina kecepatan pinuh.
5.2. Ngagunakeun Fungsi Blower
Hold the blower firmly with both hands. Direct the nozzle towards the leaves or debris you wish to move. The powerful airflow (up to 350 km/h) will effectively clear surfaces.

Image 5.1: An individual operating the LEHMANN PE-50B in blower mode, clearing leaves from a lawn.

Image 5.2: The blower actively moving leaves, highlighting its operational speed (7500 RPM, 350 KM/H) and noise level (112 dB).
5.3. Ngagunakeun Fungsi Vakum sareng Shredder
With the vacuum tubes and collection bag attached, guide the suction nozzle over the leaves. The powerful suction will draw leaves into the unit, where they will be shredded by internal blades before being collected in the 45-liter bag. This reduces the volume of debris, making disposal easier.

Image 5.3: Visual representation of the vacuum mode, showing leaves being drawn into the unit and collected in the 50L bag (note: product specifies 45L bag).
Catetan: Avoid vacuuming wet leaves, large sticks, stones, or other hard objects, as these can damage the shredder blades or clog the unit.
5.4. Ngeureunkeun Mesin
To stop the engine, simply move the engine stop switch to the "OFF" position.
6. Pangropéa
Regular maintenance ensures optimal performance and extends the lifespan of your LEHMANN PE-50B. Always ensure the engine is off and cool before performing any maintenance.
- beberesih: Saatos unggal dianggo, bersihan bagian luar unit nganggo adamp cloth. Remove any debris from the air intake, fan housing, and tubes.
- Filter hawa: Periodically check and clean the air filter. A dirty air filter can reduce engine performance. Refer to the engine diagram for location.
- Busi: Inspect the spark plug for wear and proper gap. Replace if necessary.
- Shredder Blades: Regularly inspect the shredder blades for damage or excessive wear. Replace worn blades to maintain shredding efficiency.
- Sistim suluh: For long-term storage, drain the fuel tank and run the engine until it stops to clear the carburetor of fuel. This prevents fuel degradation and starting issues.
7. Cara ngungkulan
Bagian ieu ngabahas masalah umum anu anjeun tingali. Pikeun masalah teu didaptarkeun di dieu, kontak rojongan customer.
| Masalah | Mungkin Cukang lantaranana | Solusi |
|---|---|---|
| Mesin moal ngamimitian |
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| Leungitna kakuatan nalika operasi |
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| Geter kaleuleuwihi |
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8. Spésifikasi
| Fitur | Rincian |
|---|---|
| Nomer modél | PE-50B |
| merek | LEHMANN |
| Tipe Mesin | 2-tak, 26 cc |
| Daya Mesin | 3.5 hp |
| Max Engine Speed | 7500 rpm |
| Max Air Speed | 350 km/h (97 m/s) |
| Tipe Suluh | Unleaded Gasoline + 2-stroke Oil |
| Suluh Campur Rasio | 25:1 |
| Kapasitas Tangki Suluh | 0.5 liter |
| Kapasitas Kantong Koléksi | 45 liter |
| Ukuran (L x W x H) | 95.5 x 25 x 34 cm |
| Item Beurat | 4 kg |
| Bahan | palastik |
| Sumber Daya | Gas-powered |
| Fitur husus | 4-in-1: Blower, Vacuum, Shredder, Collection |
9. Garansi jeung Rojongan
Warranty information for the LEHMANN PE-50B is typically provided with your purchase documentation or can be found on the official LEHMANN websitus. Punten tahan bukti pameseran anjeun pikeun klaim garansi.
For technical support, spare parts, or further assistance, please contact LEHMANN customer service through their official websitus atanapi inpormasi kontak anu disayogikeun dina bungkusan produk anjeun.





