This document is a user manual for a gasoline lawn mower, model G51SHL-K, manufactured by Dedeman. The manual provides instructions for safe operation, maintenance, and technical specifications of the device.
Function Description
The Dedeman G51SHL-K is a gasoline-powered lawn mower designed for cutting grass. It is intended for domestic use in gardens and lawns, but not for cutting grass in public parks, playing fields, or forests. Any other use is not permitted. The mower is self-propelled, meaning it moves forward on its own power, reducing the effort required by the user.
Important Technical Specifications
The lawn mower is equipped with a B&S 750EX, 4-stroke, forced air-cooled engine.
- Engine displacement: 161 cm³
- Engine power: 2.5 kW
- Equipment mobility: Self-propelled
- Walking speed: 3.5 km/h
- Volume of fuel tank: 1.0 L
- Volume of lubricating oil tank: 0.6 L
- Cutting width: 508 mm
- Blade thickness: 4 mm
- Recommended blade: G551000000
- Rated speed: 2800 min⁻¹
- Grass bag capacity: 65 L
- Net weight: 33.5 kg
- Sound pressure level, LpA: 86.4 dB(A), K=2.5 dB (A)
- Sound power level, LwA: 97.41 dB(A), K=0.5 dB (A)
- Guaranteed sound power level: 98 dB(A)
- Vibrations: 3.88 m/s², K=1.5 m/s²
- Adjustable cutting height: 25 - 75 mm, 6 positions
Usage Features
The lawn mower is designed for ease of use and safety.
- Starting: To start the mower, the user must first engage the brake lever and then pull the starter grip. The manual provides detailed instructions and illustrations for assembling the handle, connecting the brake and drive cables, and attaching the grass bag.
- Cutting Height Adjustment: The cutting height can be adjusted to 6 different positions, ranging from 25 mm to 75 mm, using a lever on the wheel. This allows the user to select the desired grass length.
- Self-Propelled Function: The mower is self-propelled, activated by a lever on the handle. This feature makes it easier to maneuver, especially on uneven terrain.
- Grass Collection: The mower comes with a 65 L grass bag for collecting cut grass. It also supports mulching by inserting a mulching plug into the rear discharge opening.
- Side Discharge: The mower can be used with a side discharge chute for situations where grass collection is not desired.
- Fueling: The fuel tank has a capacity of 1.0 L and should be filled with commercial lawn mower oil SAE 30 or alternatively oil 10W40 or 15W40. It is crucial to avoid overfilling and to ensure the fuel cap is securely tightened.
- Oil Filling: The oil dipstick has "MAX" and "MIN" marks to indicate the correct oil level. The oil should be filled to the upper level.
- Safety Precautions: The manual emphasizes several safety rules, including keeping bystanders at a distance, not using the mower on slopes exceeding 22 degrees, stopping the engine before any assembly or maintenance, and avoiding contact with sharp blades. It also warns against operating the engine in confined spaces due to carbon monoxide fumes.
Maintenance Features
Regular maintenance is essential for the safe, economical, and trouble-free operation of the lawn mower. The manual provides a detailed maintenance schedule.
- Daily Maintenance:
- Clean the outside of the machine.
- Check that the blades are undamaged and show no signs of cracking or other damage. Replace the blades if necessary.
- Check that the blade fixer is not damaged or distorted. Replace the blade fixer if it is bent or damaged.
- Clean the air filter. Replace if necessary.
- Check that nuts and screws are tight.
- Check that there are no fuel leaks from the engine, tank, or fuel lines.
- Weekly Maintenance:
- Check the starter and starter cord.
- Clean the outside of the spark plug. Remove it and check the electrode gap. Adjust the gap to 0.6-0.7mm or replace the spark plug. Check that the spark plug is fitted with a spark plug cap.
- Clean the machine's cooling system.
- Clean the outside of the carburetor and the space around it.
- Monthly Maintenance:
- Clean the fuel tank.
- Check all cables and connections.
- Replace the spark plug. Check that the spark plug is fitted with a spark plug cap.
- To reduce the fire hazard, clean dirt, leaves, and surplus lubricant, etc. from the muffler and engine.
- Check the blade.
- Maintenance Schedule (based on hours of use):
- Air filter: Check (each use), Clean (25 hours), Clean (50 hours), Replace (100 hours).
- Spark plug: Check (each use), Check (25 hours), Clean (50 hours), Replace (100 hours).
- Engine oil: Check (each use), Verify (25 hours), Replace (50 hours), Replace (100 hours).
- Engine Oil Replacement: The manual details the steps for draining used oil and refilling with new oil, recommending disposal of used oil in an environmentally responsible manner.
- Spark Plug Maintenance: Instructions are provided for cleaning and replacing the spark plug, including setting the correct gap.
- Air Filter Cleaning: The air filter should be cleaned regularly by washing the foam element in warm soapy water and allowing it to dry naturally.
- Troubleshooting: A comprehensive troubleshooting guide is included, listing common problems, probable causes, and solutions.
- Storage: Before storing the lawn mower, the fuel tank should be emptied, and the engine oil drained. The machine should be cleaned and stored in a dry, well-ventilated area.
The manual also includes a Declaration of Conformity, confirming that the product meets relevant EU directives and standards. Contact information for customer support is provided.
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