1. Entwodiksyon
Thank you for choosing the LEHMANN LGALM-4037 Cordless Lawnmower. This manual provides essential information for the safe and efficient operation, assembly, maintenance, and troubleshooting of your new lawnmower. Please read this manual thoroughly before first use and keep it for future reference.
The LGALM-4037 is designed for efficient lawn care, featuring a 37 cm cutting width, a 40-liter grass collection bag, and a 5-step cutting height adjustment from 25 mm to 75 mm. It is powered by a 4.0 Ah battery, providing cordless convenience for lawns up to 400 m².

Image 1.1: The LEHMANN LGALM-4037 Cordless Lawnmower, including the battery and charger.
2. Enstriksyon Sekirite
AVÈTISMAN: Li tout avètisman sekirite, enstriksyon, ilistrasyon, ak espesifikasyon yo bay zouti elektrik sa a. Si w pa swiv tout enstriksyon ki endike anba la yo, sa ka lakòz chòk elektrik, dife, ak/oswa blesi grav.
- Always wear appropriate personal protective equipment (PPE) such as safety glasses, sturdy footwear, and hearing protection when operating the lawnmower.
- Kenbe timoun, moun ki bò kote w, ak bèt kay lwen zòn operasyon an.
- Inspect the area to be mowed and remove any objects that could be thrown by the blade (e.g., stones, sticks, wires).
- Do not operate the lawnmower in wet conditions or on steep slopes.
- Always disconnect the battery before cleaning, adjusting, or performing any maintenance on the lawnmower.
- Asire w ke tout pwoteksyon ak aparèy sekirite yo an plas epi yo fonksyone byen anvan ou itilize li.
- Never lift or carry the lawnmower while the motor is running.
- Store the lawnmower in a dry, secure place out of reach of children.
3. Pake kontni
Carefully unpack all items and ensure you have received the following components:
- LEHMANN LGALM-4037 Lawnmower Unit
- Handle Assembly (upper and lower sections)
- Sak Koleksyon Zèb
- Batri ityòm-ion 4.0 Ah
- Batri Charger
- Manyèl Itilizatè (dokiman sa a)
- Safety Key (Child Lock)
If any items are missing or damaged, please contact LEHMANN customer support immediately.
4. Asanble ak Enstalasyon
4.1. Manch Asanble
- Attach the lower handle section to the main mower body using the provided bolts and knobs. Ensure it is securely fastened.
- Connect the upper handle section to the lower handle section, aligning the holes and securing with the remaining bolts and knobs.
- Route any cables along the handle and secure them with the cable clips provided.
4.2. Grass Collection Bag Assembly
Assemble the grass collection bag by attaching the fabric bag to the plastic frame. Ensure all clips are securely fastened.
4.3. Chaje ak Enstalasyon Batri
- Before first use, fully charge the 4.0 Ah battery using the supplied charger. Connect the charger to a power outlet and insert the battery. The indicator lights on the charger will show the charging status.
- Once charged, slide the battery into the battery compartment on the lawnmower until it clicks into place.
- Insert the safety key into its slot next to the battery. The mower will not operate without the safety key inserted.

Image 4.1: The 40V Lithium-Ion battery and charger. Ensure the battery is fully charged before use.
5. Operasyon
5.1. Starting and Stopping the Lawnmower
- Ensure the battery is installed and the safety key is inserted.
- Peze epi kenbe bouton sekirite a sou manch lan.
- Pandan w ap kenbe bouton sekirite a, rale levye a nan direksyon manch lan. Motè a ap kòmanse.
- To stop the lawnmower, release the bail lever. The motor will stop immediately.
5.2. Ajiste wotè koupe a
The LEHMANN LGALM-4037 offers 5 cutting height positions, ranging from 25 mm to 75 mm. To adjust the cutting height:
- Ensure the lawnmower is turned off and the safety key is removed.
- Jwenn levye ajisteman wotè a sou bò machin koupe gazon an.
- Rale levye a deyò epi deplase l nan wotè ou vle a. Lage levye a pou bloke l nan pozisyon an.

Image 5.1: The 5-step cutting height adjustment mechanism, ranging from 25 mm to 75 mm.
5.3. Konsèy Coupe
- For best results, mow dry grass.
- Sipèpoze bann koupe yo yon ti kras pou asire yon koupe inifòm.
- Avoid overloading the motor by cutting excessively long grass in one pass. Raise the cutting height if necessary.
- Regularly empty the grass collection bag to maintain optimal performance.

Image 5.2: The LGALM-4037 is recommended for lawns up to 400 m².

Image 5.3: The lawnmower features a 37 cm cutting width for efficient mowing.
6. Antretyen
WARNING: Always remove the safety key and battery before performing any maintenance or cleaning.
6.1. Netwayaj
- After each use, clean the underside of the mower deck to prevent grass clippings from hardening. Use a brush or scraper; do not use water directly on the motor or electrical components.
- Siye deyò tondeuz la ak piblisite.amp twal.
- Clean the grass collection bag regularly. It can be rinsed with water and allowed to dry completely before reattaching.
6.2. Swen lam
Periodically inspect the cutting blade for sharpness and damage. A dull or damaged blade can lead to poor cutting performance and increased motor strain. If necessary, have the blade sharpened or replaced by a qualified service technician.
6.3. Depo batri
Store the battery in a cool, dry place, away from direct sunlight and extreme temperatures. For long-term storage, it is recommended to store the battery with a partial charge (around 50%) to prolong its lifespan.
NAN. Depanaj
| Pwoblèm | Kòz posib | Solisyon |
|---|---|---|
| Tondez gazon an pa kòmanse | Batri pa chaje Kle sekirite pa mete Leviye kosyon an pa angaje Pwoteksyon Surcharge aktive | Chaje batri Mete kle sekirite a nèt Engage bail lever fully Allow motor to cool down, remove obstruction |
| Pèfòmans koupe pòv | Lam mat oswa domaje Cutting height too low for grass Sak koleksyon zèb la plen | File oswa ranplase lam Ogmante wotè koupe Empty grass collection bag |
| Twòp Vibration | Lam domaje oswa dezekilib Konpozan ki lach | Enspekte epi ranplase lam la si sa nesesè Tcheke tout eleman fikse yo epi sere yo jan sa nesesè |
| Motè a sispann pandan operasyon an | Batri ki ba Overload due to thick grass Obstriksyon nan zòn lam la | Rechaje batri Raise cutting height, mow slower Remove obstruction (with battery removed) |
8. Espesifikasyon
| Karakteristik | Spesifikasyon |
|---|---|
| Nimewo Modèl | LGALM-4037 |
| Mak | LEHMANN |
| Sous pouvwa | Batri (40V) |
| Kapasite batri | 4.0 Ah |
| Koupe Lajè | 37 cm |
| Koupe Ajisteman Wotè | 5 positions (25 mm - 75 mm) |
| Kapasite sak koleksyon zèb | 40 lit |
| Zòn gazon rekòmande | Jiska 400 m² |
| Kalite motè | Motè Endiksyon san bwòs |
| Dimansyon pwodwi (L x W x H) | 128 x 42 x 105 cm |
| Pwa atik | 12.5 kg |
| Koulè | Nwa/Wouj |

Image 8.1: Key specifications of the LEHMANN LGALM-4037 Lawnmower.

Image 8.2: The powerful 40 Volt Induction Motor provides efficient performance.
9. Garanti ak sipò
LEHMANN products are manufactured to high-quality standards and are guaranteed against manufacturing defects. For specific warranty terms and conditions, please refer to the warranty card included with your product or visit the official LEHMANN websit.
For technical support, spare parts, or service inquiries, please contact LEHMANN customer service. When contacting support, please have your model number (LGALM-4037) and purchase date ready.
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