The Einhell APM 250 is a polishing machine designed for vehicle care and maintenance. This device is primarily used for polishing painted surfaces to achieve an optimal shine and protection. It is a handheld electric tool, emphasizing ease of use and maneuverability for various polishing tasks.

Function Description:

The APM 250 operates by generating high-speed oscillations, which, when combined with a polishing pad and appropriate polishing agents (waxes, pastes), effectively remove minor imperfections, restore shine, and apply protective layers to painted surfaces. The machine is designed for both large, flat areas like bonnets, roofs, and boot lids, as well as smaller, harder-to-reach areas such as doors, wing mirrors, bumpers, and door handles.

For optimal results, the polishing process involves several steps:

Preparation: Ensure the polishing cap is clean and free of contaminants.
Application: Distribute the polishing agent evenly over the polishing pad. It is crucial not to apply the polish directly to the surface being treated to avoid uneven application or potential damage.
Initial Polishing (Large Surfaces): Place the machine on the surface before switching it on or off. Begin by working on large, flat areas using regular, even movements. The machine should glide over the surface without excessive pressure, allowing its weight and oscillations to do the work.
Detailed Polishing (Small Surfaces): For smaller areas like doors, the machine should be held as illustrated in the manual, allowing the mains cable to hang freely for unrestricted movement.
Manual Polishing (Difficult Areas): For very difficult-to-access areas (e.g., wing mirrors, bumpers, door handles), the polishing cap can be removed from the pad, and these areas can be polished manually with the cap.
Finishing: After the initial application and polishing with the textile polishing cap, it is recommended to switch to a fine polishing cap. This cap should also be clean and free of impurities. The polish layer should be removed in the same order it was applied, again without exerting pressure on the machine.

The device is double-insulated for safety, protecting the user from electrical shock. It is important to use the machine only in clean and dry environments and to keep children away from it. Unintentional switching on should be avoided, and the mains plug should always be disconnected before changing polishing caps or performing repairs. The power cable should never be used to carry or pull the machine and must be protected from heat, oil, and sharp edges. Regular inspection of the power cable for breaks is advised.

Important Technical Specifications:

Voltage: 230V ~ 50Hz
Power Rating: 150 W
Speed/Oscillations: 3500 min⁻¹ (oscillations per minute)
Polishing Pad Diameter: Ø 240 mm
Weight: 2.4 kg
Sound Pressure Level at Workplace (LPA): 70.5 dB(A)
Weighted Harmonic Value (ahw): 20.81 m/s²
Insulation: Totally insulated (Protection Class II)

The low sound pressure level at the user's ear (below 70 dB(A)) indicates a relatively quiet operation, contributing to user comfort during extended use.

Usage Features:

Ergonomic Design: The machine is designed to be held comfortably, allowing for controlled movements during polishing. The recommendation to drape the extension lead over the shoulder helps manage the cable and prevents it from interfering with the polishing process.
Versatility: Suitable for various vehicle surfaces, from large, flat panels to intricate, curved, and hard-to-reach areas.
Gentle Polishing: The emphasis on allowing the machine to glide over the surface without excessive pressure is a key feature, preventing damage to the paintwork and ensuring an even finish.
Interchangeable Polishing Caps: The ability to switch between textile and fine polishing caps allows for different stages of the polishing process, from initial application to final buffing.
Safety First: Clear instructions on switching the machine on/off only when it's on the surface, disconnecting power for maintenance, and protecting the cable highlight the importance of safe operation.

Maintenance Features:

Polishing Cap Care: Polishing caps should be washed by hand with mild soap and a damp cloth, then air-dried. Abrasive polishing agents should not be used for cleaning the caps.
Storage: When not in use, the polishing machine should be stored upside down with the polishing cap removed. This allows the polishing pad to dry properly and retain its original shape, preventing deformation.
Preventing Cap Dislodgement: Excessive use of wax or paste can cause the polishing cap to jump off the pad during operation, so moderation in application is advised.
Regular Inspections: Users are instructed to regularly check the housing and switch for damage and to ensure the power cable is free from breaks before each use. If any part of the machine is defective, it should not be used.

Care Tips for Vehicle Paintwork:

The manual also provides general care tips for maintaining vehicle paintwork:

Frequency of Polishing: Polish the car 2 to 3 times a year for optimal paint protection.
Regular Washing: Wash the car at least every two weeks. Avoid household detergents, as they can damage paintwork and remove the wax layer.
Washing Technique: Wash the car with a clean sponge, working from top to bottom.
Daily Stain Removal: Remove insects, bird droppings, and tar stains from the paintwork daily.
Window Cleaning: When using window-cleaning agents, spray them onto a cloth rather than directly onto the windows to prevent them from wetting the paintwork.

The Einhell APM 250 is a user-friendly and effective tool for maintaining the aesthetic appeal and protective coating of vehicle paintwork, provided the safety and maintenance guidelines are strictly followed.

EINHELL APM 250 - Page 26

Table of Contents

Related product manuals