Small Engine Leak Down Tester

Specifications

The Small Engine Leak Down Tester, model 479, is manufactured by Thexton Mfg Co. This diagnostic tool weighs 2 lbs, offering portability for various service environments. It is engineered to perform precise cylinder leak-down tests on a wide range of small gasoline engines.

Key Features

• Accurate Leak Detection: Designed to identify the exact source of cylinder leakage in small engines.
• Dual Gauge System: Features two easy-to-read gauges for simultaneously monitoring input air pressure and cylinder leakage percentage.
• Robust Construction: Built with durable materials to withstand frequent use in demanding workshop conditions.
• Compatibility: Suitable for diagnosing both two-stroke and four-stroke small engines.
• Pressure Regulation: Includes a built-in air pressure regulator for consistent test conditions.

Applications

This Small Engine Leak Down Tester is an essential tool for diagnosing internal engine problems in various small gasoline-powered equipment. It is widely used by professional mechanics and dedicated DIY enthusiasts for troubleshooting lawnmowers, chainsaws, string trimmers, generators, and other compact utility engines. The tool effectively pinpoints issues such as worn piston rings, damaged valves, compromised head gaskets, and cracked cylinder walls by measuring the rate at which compressed air leaks from the engine's cylinder.

Benefits

• Precise Problem Identification: Enables users to accurately locate the source of engine compression loss, leading to more efficient repairs.
• Reduced Diagnostic Time: Quickly isolates internal engine faults, minimizing the time spent on troubleshooting.
• Cost-Effective Maintenance: Helps prevent unnecessary disassembly or replacement of engine components by confirming the exact defect.
• Improved Engine Performance: Facilitates targeted repairs that restore engine power, efficiency, and reliable starting.
• Enhanced Engine Longevity: Early detection of leaks allows for timely repairs, contributing to the extended lifespan of small engines.