Extending the Service Life of Automotive Jack Support Blocks
Automotive jack support blocks play a critical role in ensuring safe and stable vehicle lifting. Proper maintenance, correct usage, and preventive measures can significantly extend their service life and maintain performance.
1. Proper Usage Practices
Adhere to Load Limits: Always operate within the rated capacity of the jack and support block to prevent overloading.
Correct Placement: Use manufacturer-recommended lifting points and ensure the block is properly aligned with the chassis.
Avoid Improper Surfaces: Place the jack on firm, level ground; use load-distribution plates on soft or uneven surfaces.
Prevent Sudden Movements: Lift and lower the vehicle gradually to reduce stress on the block.
2. Regular Inspection and Maintenance
Visual Checks: Inspect for cracks, deformation, wear, or surface contamination before each use.
Clean Contact Surfaces: Remove dirt, grease, or debris from the block and vehicle lifting points to ensure full contact.
Lubrication (if applicable): Some jack designs may benefit from light lubrication of moving parts; avoid contaminating rubber contact surfaces.
Replace Worn Blocks Promptly: Do not continue using blocks showing significant wear or damage, as this accelerates failure.
3. Environmental and Storage Considerations
Avoid Extreme Temperatures: Prolonged exposure to high heat or freezing conditions can degrade rubber blocks.
Protect from Chemicals: Keep support blocks away from oils, solvents, or other chemicals that may weaken or swell the rubber.
Proper Storage: Store blocks in a dry, shaded area, avoiding direct sunlight and moisture.
4. Operator Training and Awareness
Educate users on correct lifting procedures, load limits, and potential risks of misuse.
Encourage routine checks and preventive care to reduce accidental damage and extend service life.
5. Conclusion
Extending the lifespan of automotive jack support blocks depends on correct usage, regular inspection, proper storage, and operator awareness. Implementing these measures ensures safe lifting operations, preserves block integrity, and reduces replacement costs.
References
Gent, A. N. Engineering with Rubber: How to Design Rubber Components. Hanser Publishers, 2012.
ASTM D2000 – Standard Classification System for Rubber Products in Automotive and Industrial Applications.
Lake, G. J. “Fatigue and Fracture of Elastomers.” Rubber Chemistry and Technology, 2000.
ISO 2230 – Rubber Products—Guidelines for Storage and Maintenance.
ISO 7619-1 – Rubber, Vulcanized or Thermoplastic — Determination of Indentation Hardness.
