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Webb Supreme - 53cm (21") Self Propelled Petrol Lawnmower

Webb Supreme - 53cm (21") Self Propelled Petrol Lawnmower

The WER21HW4 is the largest lawnmower in the ‘Supreme’ range. Self-propelled, 4-in-1 capability an...

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Webb Supreme 46Cm Self Propelled High Wheel Petrol Rotary Lawn Mower

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Product Information

Full details

This guide is for owners of the Webb Supreme WER21HW4 lawnmower, offering a comprehensive overview of its features and how to get the best performance. This self-propelled mower with its 4-in-1 capability and powerful Briggs & Stratton engine is designed for efficient lawn care. However, users should be aware of the need for regular maintenance to ensure optimal performance.

All features

Model Part NumberWER21HW4
BrandWebb

Extended Product Information

FAQs

How do I change the oil?

Consult the user manual for instructions. Generally, you'll need to warm the engine, drain the old oil, and refill with the correct type and amount of oil.

How often should I sharpen the blade?

Sharpen the blade at least once per season, or more frequently if you notice the grass is being torn rather than cut cleanly.

What type of fuel should I use?

Use unleaded petrol suitable for small engines. Avoid using fuel with ethanol, as it can damage the engine over time.

How do I clean the mower?

After each use, clean the mower deck with a brush or scraper. Remove any grass clippings. You can also hose down the deck, but avoid spraying water directly onto the engine.

Where can I find replacement parts?

Replacement parts are available through Webb's UK-based dealer network. Contact customer service for assistance.

What is the warranty?

The Webb Supreme WER21HW4 comes with a 2-year warranty, covering manufacturing defects.

How do I store the mower during the off-season?

Drain the fuel, clean the mower thoroughly, and store it in a dry, covered area. Consider removing the spark plug and adding a small amount of oil to the cylinder.

Troubleshooting

Engine won't start

Check fuel level, ensure the spark plug is connected, and inspect the engine's oil level. Try replacing the spark plug.

Mower cuts unevenly

Check and sharpen the blade. Ensure the cutting deck is level and that the grass isn't too long or wet.

Mower bogs down during use

Reduce cutting height, clean the air filter, and check the blade for obstructions.

Self-propelled drive not working

Check the drive belt and ensure it is properly connected. Inspect the drive mechanism for any blockages or damage.

Grass clippings not being collected

Ensure the collection bag is correctly attached, and the chute is clear of any blockages. Check the condition of the blade.

Pros and Cons

Pros

  • Powerful engine for efficient grass cutting.
  • Versatile 4-in-1 functionality for different lawn care needs.
  • Self-propelled feature reduces user effort.
  • Large collection bag minimizes the need for frequent emptying.
  • Easy starting system for user convenience.

Cons

  • Requires regular maintenance, including oil changes and blade sharpening.
  • Petrol mowers can be more challenging to start than electric models.
  • The mower's weight might make it harder to maneuver in tight spaces.
  • Requires fuel storage and handling.

Setup, Compatibility & Care

  1. Assembly: Unpack and assemble the lawnmower, attaching the handle, collection bag, and any other accessories as per the user manual.
  2. Fuel and Oil: Fill the fuel tank with fresh petrol and ensure the oil level is correct. Consult the manual for the correct oil type.
  3. Cutting Height Adjustment: Set the desired cutting height using the single lever.
  4. Starting: Engage the ReadyStart system (no priming or choking required) and pull the starter cord.
  5. Operation: Engage the self-propelled drive and guide the mower across your lawn.
  6. After Use:
  • Empty the collection bag after each use.
  • Clean the mower deck and blades.
  • Check for any damage or wear.

Compatibility: Use unleaded petrol suitable for small engines. Ensure the oil is of the correct grade as specified in the manual.

Care:

  • Regularly check and clean the air filter.
  • Sharpen the blade as needed (typically once per season).
  • Store the mower in a dry place.
  • Perform an annual service, including an oil change and spark plug replacement.

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