Echo / Shindaiwa

91018 Crankcase Pressure Test Adapter 14mm Echo Shindaiwa Service Tool OEM New

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  • Regular price $14.99

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Echo Part# 91018 Special Service tool. 14mm Spark Plug hole adapter - For pressure testing 2-cycle engine crankcases

. After blocking off intake and exhaust ports, and any Impulse hoses or lines (if equipped) , roll engine to put piston at bottom of stroke, install this adapter and pressurize to approximately 7 PSI, monitor gauge to see if pressure drops, if it holds steady for one minute, you *know* your crankcase will hold pressure. Then switch your pressure tester to Vacuum, and pull 14In.Hg. Vacuum and if that holds as well for one minute, you *know* your crankchaft seals are good.

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