HYM400P - Lawn mower HYUNDAI - Free user manual and instructions
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| Product Type | Lawn Mower |
| Brand | Hyundai |
| Model | HYM400P |
| Cutting Width | 40 cm |
| Engine Type | 4-stroke petrol |
| Engine Displacement | 125 cc |
| Grass Bag Capacity | 45 L |
| Cutting Height Adjustment | Central, 6 positions (20-75 mm) |
| Handle Type | Folding, ergonomic |
| Frame Material | Steel |
| Wheel Size | 180 mm front, 220 mm rear |
| Weight | 22 kg |
| Dimensions (L x W x H) | 67 x 43 x 35 cm |
| Noise Level | 96 dB (A) |
| Vibration Level | 2.5 m/s² |
| Fuel Tank Capacity | 0.8 L |
| Oil Capacity | 0.6 L |
| Power Source | Petrol |
| Starter Type | Recoil |
| Mulching Capability | Yes |
| Rear Roller | Yes |
| Warranty | 2 years |
| Includes | Grass bag, mulching plug, oil bottle |
Frequently Asked Questions - HYM400P HYUNDAI
How do I start the engine?
Ensure the fuel tank is filled with fresh petrol and the oil level is checked. Press the primer bulb (if equipped) 3-5 times. Set the throttle to choke position (if cold). Pull the recoil starter handle firmly until the engine starts. Once warm, move the choke to run position.
What type of oil should I use?
Use a high-quality 4-stroke engine oil with viscosity SAE 30 (above 0°C) or SAE 10W-30 (multigrade). Do not use 2-stroke oil. Change oil after the first 5 hours, then every 25 hours of use.
How often should I sharpen the blade?
Sharpen the blade after every 25-30 hours of mowing or at least once per season. A dull blade tears grass, causing browning. You can sharpen it with a file or grinder.
How do I change the oil?
Run the engine for a few minutes to warm the oil. Stop the engine and disconnect the spark plug. Drain old oil from the oil drain plug (if present) or tilt the mower to pour out through the filler neck. Refill with fresh oil to the correct level (check dipstick). Dispose of oil properly.
What should I do if the mower vibrates excessively?
Excessive vibration is often due to an unbalanced blade or loose parts. Inspect the blade for damage or debris. Tighten all screws and nuts. If vibration persists, replace the blade or have the mower serviced.
How do I adjust the cutting height?
Locate the central lever or individual wheel levers. Each position corresponds to a different height (usually 6 settings). Move the lever to the desired notch. Ensure all wheels are set to the same height for an even cut.
How do I clean the grass bag?
After each use, empty the grass bag and rinse it with water. If clogged, use a brush to remove grass residue. Let it dry completely before storing to prevent mould and odour.
Is it possible to mulch leaves?
Yes, the HYM400P supports mulching. Remove the grass bag and install the supplied mulching plug. The blade will cut leaves into fine pieces that decompose naturally. Avoid heavy layers.
How do I store the lawn mower for winter?
Drain the fuel tank and run the engine until it stops to prevent gumming. Change the oil. Clean the mower thoroughly. Store in a dry, covered place. Disconnect the spark plug. Optionally, apply rust inhibitor to the blade.
How do I replace the blade?
Disconnect the spark plug for safety. Tip the mower on its side (air filter up). Use a wrench to remove the blade bolt. Install the new blade with the sharp edge facing the cutting direction. Torque the bolt to 30-40 Nm.
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USER MANUAL HYM400P HYUNDAI
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Product information
Brand : HYUNDAI
Model : HYM400P
Category : Lawn mower