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The Clarke CHT462 is a professional-grade valve spring compressor specifically engineered for mechanics and DIY enthusiasts working on small to medium-sized Overhead Valve (OHV) engines. It provides the essential leverage and stability needed for safe cylinder head maintenance, though users should note that it is optimized for OHV designs and may not fit larger industrial or specialized overhead cam engines.
| Model Part Number | Cht462 |
|---|---|
| Brand | Clarke International |
This tool is specifically designed for Overhead Valve (OHV) engines and is generally not suitable for overhead cam engines due to space constraints.
The jaw capacity ranges up to 165mm.
Keep the tool clean, store it in a dry environment, and apply a light machine oil to the threads and pivot points periodically.
The handle is designed for efficient leverage, but it is recommended to take breaks during heavy-duty jobs to reduce hand fatigue.
The CHT462 is a standalone unit designed for universal OHV use; no specific adapters are required or included.
Ensure the jaws are perfectly aligned and centered on the retainer before applying initial tension.
Check the locking teeth for debris and ensure the handle is fully engaged in the desired notch.
To set up the tool, first ensure the cylinder head is placed on a stable, flat work surface. Adjust the jaw capacity by moving the sliding mechanism to match the height of your specific valve spring. Once in position, align the jaws carefully with the valve spring retainer before applying pressure. Compatibility is limited to small to medium OHV engines; always verify the spring dimensions before attempting to compress. After use, wipe the tool clean of oil and debris, and lightly coat the moving parts with a quality machine oil to prevent corrosion and ensure the locking mechanism continues to function smoothly.
