fits model: R22.
( Brand: Lycoming ), ( Manufacturer Part Number: ST-71P ), ( Part Type: Valve Compression ), ( Country/region Of Manufacture: United States )
The ST-71P Lycoming Valve Wobble Compression Tool is an essential tool for Robinson R22 and R44 helicopter owners and mechanics. This tool is specifically designed to perform the crucial function of checking the valve clearance on Lycoming engines, ensuring optimal engine performance and longevity.
The ST-71P is a robust and precise instrument, featuring a parallel design that allows for easy and accurate valve clearance measurements. The tool is designed to work with the unique valve arrangement in Robinson R22 and R44 helicopters, making it an indispensable addition to any helicopter maintenance kit.
The tool is made of high-quality materials, ensuring durability and reliability. It features a sturdy handle that provides a firm grip, while the tool head is precision-machined to ensure accurate readings. The ST-71P also comes with a clear and easy-to-read scale, allowing for quick and straightforward valve clearance measurements.
The ST-71P Lycoming Valve Wobble Compression Tool is an essential tool for any helicopter mechanic or owner who wants to ensure their engine is running at its best. It is a simple yet powerful tool that can save time and money by identifying potential issues before they become major problems. With its robust design, precision engineering, and easy-to-use features, the ST-71P is a must-have for any helicopter maintenance kit.
Pros of buying a ST-71P Lycoming Valve Wobble Compression Tool for Robinson R22 and R44:1. Accurate Diagnosis: This tool is designed to accurately diagnose valve wobble issues in Lycoming engines, which can save time and money by preventing further engine damage.
2. Easy to Use: The tool is easy to use, as it does not require any specialized training or knowledge to operate.
3. Durable Construction: The tool is made of high-quality materials, ensuring that it will last for a long time and can withstand heavy use.
4. Cost-Effective: Compared to other diagnostic tools, the ST-71P Lycoming Valve Wobble Compression Tool is relatively affordable, making it a cost-effective option for many aircraft owners.
Cons of buying a ST-71P Lycoming Valve Wobble Compression Tool for Robinson R22 and R44:1. Limited Application: The tool is only designed for Lycoming engines, which means that it may not be useful for aircraft with different engine types.
2. Requires Additional Tools: While the tool itself is easy to use, it may require additional tools to properly install and remove the valve covers.
3. Risk of Damage: If not used correctly, the tool could potentially damage the engine or valve components, which could be expensive to repair.
Conclusion:Overall, the ST-71P Lycoming Valve Wobble Compression Tool is a useful tool for diagnosing and preventing valve wobble issues in Lycoming engines. Its easy-to-use design, durable construction, and cost-effectiveness make it a valuable addition to any aircraft owner's toolkit. However, it is important to note that the tool has limited application and requires additional tools for installation and removal. As with any tool, care should be taken to ensure that it is used correctly to avoid damage to the engine or valve components.
Recommendation:If you own a Robinson R22 or R44 with a Lycoming engine and are experiencing valve wobble issues, the ST-71P Lycoming Valve Wobble Compression Tool is a worthwhile investment. Its ability to accurately diagnose and prevent further damage makes it a valuable tool for maintaining the health of your engine. However, it is important to ensure that you have the necessary tools and knowledge to properly use the tool to avoid any potential damage to the engine or valve components.
The purpose of valve wobble test is to check for proper clearance between exhaust and guide repeated every combustion cycle at degrees f, stem eventually breaks head falls into cylinder violently struck by piston over. Lycoming original valve wobble test tool st-71 you are buying on for checking to guide clearance parallel cylinders. Listed at hundreds below retail cost. Tremendous damage results and the debris is often swept into other cylinders causes more power loss.
Shipping is free only through if you submit an offer expect to pay standard USPS priority flat rate box. Used in Sb 388c, tool is excellent condition fully functional. Too little clearance, and the valve may stick in guide cause a loss of power or even mechanical failure such as broken bent push rod. 25 make your money back the first time you use it.
Too much clearance leads to micro-fractures in the valve stem due seating off on tapered seat cylinder head, and wedging head slightly crooked match taper. Included is a Fowler dial indicator.