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User Guidelines

With care, your Warpfive Stirling engine should last you a lifetime. It is supplied with all of the essential items you will need for its easy upkeep and maintenance.

You will know when your engine needs attention because it will become noisy or struggle to get going. We recommend keeping your engine clean and free from airborne dust or ash as much as possible—the dust cover is a useful accessory which will assist in this.

It will be necessary to clean and lubricate the displacer shaft on your engine once a season or after every 1000 hours. Please refer to the diagram and instructions below. If you run hot fires or operate your engine extensively above 250°C (482°F), you will need to lubricate the displacer shaft much more frequently.

Additionally, you should check the bolts on the top plate and tighten them as per the manual if necessary. However, take care not to over-tighten them, as this can compromise the gasket and prevent the engine from operating correctly.

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Cleaning & Lubrication

Follow these precision steps to ensure your engine continues to run silently and efficiently.

  1. Locate: Find the displacer shaft (marked A) entering the bronze bush.
  2. Clean: Rotate the propeller to the highest point. Wipe the shaft with a cotton bud until all residue is removed.
  3. Lubricate: Use a pin or the supplied hex key to apply a drop of high-temperature lubricant to the shaft (marked B).
  4. Warning: Do not oil the graphite piston as this will damage your engine.
Technical illustration of a Warpfive Stirling engine top plate showing red circular markers A and B for cleaning and oiling the displacer shaft.

Reference points A & B for cleaning and oiling.

Warpfive Stirling Engine Crank View

Sustainability through Self-Repair

The current product range has been redesigned for easy home maintenance. By modifying the crank and introducing a bearing cartridge system, we have reduced friction and increased power.

It is now simpler to change bearings or cranks without technical experience or special tools—reducing shipping costs and your global carbon footprint.

Additional Support

Servicing

Return your engine for a full service, including worn part replacement. Note: Please do not return the fan blade with the engine.

Contact for Service

Owner Handbooks

Lost your manual? Contact us with your model name and we will email you a digital copy of the care instructions.

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