1. ຄໍາແນະນໍາຄວາມປອດໄພທີ່ສໍາຄັນ
Always prioritize safety when handling or replacing the lawn mower blade. Failure to follow these instructions can result in serious injury.
- ຕັດການເຊື່ອມຕໍ່ພະລັງງານ: Before performing any maintenance or blade replacement, always ensure the lawn mower is completely switched off and disconnected from its power source (unplug electric mowers, remove spark plug cap for petrol mowers).
- ໃສ່ອຸປະກອນປ້ອງກັນ: Always wear heavy-duty gloves to protect your hands from sharp edges. Safety glasses are also recommended.
- ພື້ນຜິວຄົງທີ່: Work on a flat, stable surface. Ensure the mower is securely supported and cannot tip over during blade replacement.
- ສະພາບແຜ່ນ: Inspect the blade regularly for damage, cracks, or excessive wear. A damaged blade can be dangerous and should be replaced immediately.
- Correct Replacement: Use only genuine Einhell replacement parts or approved equivalents. Incorrect blades can affect performance and safety.
- ການຖິ້ມຂີ້ເຫຍື້ອ: Dispose of old blades responsibly, ensuring sharp edges are covered to prevent injury.
2. ເນື້ອໃນຊຸດ
Carefully unpack the product and check that all items are present and in good condition.
- 1 x Einhell GC-EM 1742 Replacement Blade (Model: 3405440)

Image showing the Einhell GC-EM 1742 replacement blade, designed for rotary lawn mowers.
3. Installation Instructions (Blade Replacement)
Follow these steps to safely replace the blade on your Einhell GC-EM 1742 lawn mower.
- ການກະກຽມເຄື່ອງຕັດຫຍ້າ: Ensure the mower is turned off and disconnected from power. For petrol mowers, remove the spark plug cap. For electric mowers, unplug from the mains.
- ຕຳແໜ່ງເຄື່ອງຕັດຫຍ້າ: Carefully tilt the mower onto its side, ensuring the carburetor (for petrol mowers) or air filter (for electric mowers) faces upwards to prevent fuel or oil leakage.
- ຮັບປະກັນແຜ່ນໃບຄ້າຍຄື: To prevent the blade from turning while loosening the bolt, wedge a block of wood between the blade and the mower deck.
- ເອົາແຜ່ນໃບບິນເກົ່າອອກ: Using an appropriate wrench, loosen the blade retaining bolt (usually counter-clockwise). Remove the bolt, washer, and the old blade. Note the orientation of the old blade for correct installation of the new one.
- ອະນາໄມພື້ນທີ່: Clean any grass clippings or debris from the blade mounting area on the mower shaft.
- ຕິດຕັ້ງ Blade ໃຫມ່: Place the new Einhell GC-EM 1742 replacement blade onto the mower shaft, ensuring it is correctly oriented (the cutting edges should face the direction of rotation, typically upwards towards the deck). The blade should sit flush against the blade boss.
- Reattach Hardware: Place the washer and blade retaining bolt back onto the shaft.
- Tighten Blade: While still wedging the blade with a block of wood, tighten the blade retaining bolt securely (usually clockwise). Refer to your mower's specific manual for torque specifications if available.
- ກວດສອບຄັ້ງສຸດທ້າຍ: Remove the wood block. Rotate the blade by hand to ensure it spins freely and is properly secured. Return the mower to its upright position.
- ເຊື່ອມຕໍ່ພະລັງງານຄືນໃໝ່: Reconnect the spark plug cap or plug in the electric mower.
4. ບໍາລຸງຮັກສາ
ການບໍາລຸງຮັກສາທີ່ເຫມາະສົມຈະຍືດອາຍຸຂອງແຜ່ນໃບຂອງທ່ານແລະຮັບປະກັນການປະຕິບັດການຕັດທີ່ດີທີ່ສຸດ.
- ການກວດກາປົກກະຕິ: Before each use, inspect the blade for nicks, bends, or cracks. Replace immediately if damaged.
- ທໍາຄວາມສະອາດ: After each use, disconnect power and clean grass clippings and debris from the blade and underside of the mower deck.
- ຄົມຊັດ: The blade can be sharpened periodically to maintain cutting efficiency. Use a blade sharpener or file, maintaining the original blade angle. Ensure the blade remains balanced after sharpening to prevent excessive vibration. If unsure, consult a professional.
- ການດຸ່ນດ່ຽງ: An unbalanced blade can cause excessive vibration, damage to the mower, and an uneven cut. After sharpening or if you suspect imbalance, check the blade's balance. A simple method is to hang the blade horizontally on a nail through its center hole; if one side drops, it's heavier and needs more material removed from that side.
- ການເກັບຮັກສາ: When storing the mower for extended periods, ensure the blade is clean and lightly oiled to prevent rust.
5. Troubleshooting Common Blade Issues
| ບັນຫາ | ສາເຫດທີ່ເປັນໄປໄດ້ | ການແກ້ໄຂ |
|---|---|---|
| Uneven cut / Ragged grass | ໃບມີດທີ່ຈືດໆ ຫຼື ງໍ | Sharpen or replace the blade. Inspect for bends and replace if necessary. |
| Excessive mower vibration | Unbalanced or bent blade; loose blade bolt | Check blade balance and rebalance if needed. Replace bent blade. Tighten blade bolt securely. |
| ແຜ່ນໃບບໍ່ໝູນວຽນຢ່າງເສລີ | Debris caught around shaft; blade bolt too tight | Disconnect power, clear debris. Ensure blade bolt is tight but not overtightened to impede rotation. |
6. ຂໍ້ມູນຈໍາເພາະ
- ໝາຍເລກຕົວແບບ: 3405440
- ASIN: B00SY67PO6
- ຄວາມກວ້າງການຕັດ: 42 ຊັງຕີແມັດ
- ວັດສະດຸ: ໂລຫະ
- ນ້ໍາຫນັກລາຍການ: ປະມານ 350 ກຣາມ (12.3 ອອນສ໌)
- ຂະໜາດຜະລິດຕະພັນ: ຂະໜາດປະມານ 4.72 x 1.97 x 5.12 ນິ້ວ (L x W x H)
- ຄວາມເຂົ້າກັນໄດ້: Designed for Einhell GC-EM 1742 Rotary Lawn Mower
7. ການຮັບປະກັນແລະການສະຫນັບສະຫນູນ
For warranty information, technical support, or to purchase additional replacement parts, please refer to the official Einhell webເວັບໄຊ ຫຼືຕິດຕໍ່ພະແນກບໍລິການລູກຄ້າຂອງເຂົາເຈົ້າ.
ຮັກສາໃບຮັບເງິນການຊື້ຂອງທ່ານໄວ້ເປັນຫຼັກຖານການຊື້ສໍາລັບການຮຽກຮ້ອງການຮັບປະກັນໃດໆ.
ໄອນເຮວ ຢ່າງເປັນທາງການ Webເວັບໄຊ: www.einhell.com