Liqui Moly Lm 47 Long-Life Grease - LM 47
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Product Information
Full details
Liqui Moly LM 47 Long-Life Grease is designed for professionals and serious DIYers needing exceptional lubrication for heavily loaded components. Its key benefit is the MoS2 content, which forms a lubricating film that protects even after grease supply failure, extending component life. A potential caveat is its specific operating temperature range, which should be considered for extreme conditions. This high-grade special grease offers outstanding lubricity and long-lasting performance for vehicles, machinery, and industrial equipment.
All features
| Model Part Number | LM 47 |
|---|---|
| Brand | Liqui Moly |
Extended Product Information
FAQs
What is the primary advantage of LM 47 grease?
The primary advantage is its MoS2 content, which forms a highly effective lubricating film that provides protection even after the main grease supply fails, offering extended wear protection.
What is the operating temperature range for Liqui Moly LM 47?
The grease operates continuously from –30 °C to +120 °C, and can withstand short-term temperatures up to +130 °C.
Can this grease be used in high-speed applications?
While it is suitable for heavily loaded components, its suitability for very high-speed applications should be assessed based on the specific component and operating conditions, as extreme speeds can sometimes lead to issues like grease fling-off.
How often should I reapply LM 47 grease?
The frequency of reapplication depends on the specific application, operating conditions, and load. LM 47 is designed for long-lasting lubrication, so reapplication intervals are typically longer than with conventional greases. Refer to the component manufacturer's maintenance schedule.
Is LM 47 suitable for all types of bearings?
LM 47 is particularly suited for heavily loaded bearings and joints. For very light-duty or high-speed precision bearings, other specialized lubricants might be more appropriate. Always check component manufacturer recommendations.
What does the DIN 51502 KPF2K-30 classification mean?
This classification indicates the grease's properties: KP (Lithium soap, mineral oil), F (contains solid lubricant like MoS2), 2 (NLGI consistency grade), K (high-temperature resistance), and 30 (low-temperature range).
Troubleshooting
Grease appears too thick or difficult to apply.
Ensure the grease is within its recommended operating temperature range. If too cold, allow it to warm up slightly. If it's been stored for a very long time, check for separation or degradation, though its formulation is designed for stability.
Premature wear observed on lubricated parts.
Verify that the correct application method was used and that sufficient grease was applied. Ensure the component is not operating outside the specified temperature range or load limits for LM 47. Check for potential contamination or abrasive wear from external sources.
Grease is not being delivered by a central lubrication system.
Check the compatibility of the grease with the specific lubrication system (pump, lines, and dispenser). Ensure lines are not blocked and the system is functioning correctly. LM 47 is designed for such systems, but specific system requirements may vary.
Pros and Cons
Pros
- Exceptional long-term lubrication due to MoS2.
- Reliable protection against wear, even in the absence of grease.
- Suitable for demanding applications with heavy loads.
- Can be used in central lubrication systems for efficiency.
- Good performance across a broad temperature spectrum.
Cons
- Operating temperature limited to +120 °C for continuous use.
- Requires specific application methods for optimal results.
- May not be suitable for extremely high-speed applications without further assessment.
Setup, Compatibility & Care
Application:
Apply Liqui Moly LM 47 grease as you would with any standard grease. Ensure surfaces are clean before application. Always refer to the specific component manufacturer's instructions for recommended grease types and application quantities. This grease is particularly effective for components that experience significant load and friction.
Compatibility:
LM 47 is labeled according to DIN 51502 KPF2K-30. It is designed for use in vehicles, machine tools, construction machinery, agricultural machinery, and printing machinery. It is suitable for heavily loaded bearings and joints, spline shafts, threads, guides, and constant velocity drive joints. Ensure compatibility with seals and other materials in the system before extensive use, especially if replacing a different type of lubricant.
Care:
Store the grease in its original, sealed container in a cool, dry place away from direct sunlight. Properly seal containers after use to prevent contamination. Regular inspection of lubricated components can help determine the effectiveness of the lubrication and the need for reapplication.