B3.9 and B5.9 Series Engines
Section 14 - Engine Testing - Group 14
Used with the blowby check tool to measure engine crankcase
Used to measure engine intake manifold pressure, exhaust re-
striction, lift pump output pressure, and pressure drop across the
Used to measure lift pump inlet restriction. Hose adapter, Part No.
ST-434-2, and vacuum gauge, Part No. ST-434-12, are used to
perform the test.